This tree planting system comprises a processor. The processor specifies a supplementary planting position indicating a position where a plant body is to be supplementary planted in a tree planting area, acquires plant body data related to the plant body at the supplementary planting position, and stores management data in which the plant body and the plant body data are associated with each other.
This tree planting system is provided with a processor. The processor acquires a planted position indicating a position of a plant planted in a tree planting area, acquires a captured image showing an image of the tree planting area captured by a camera, compares the position in the captured image with the planted position to set a determination area in the captured image, determines whether or not the plant is dead on the basis of the captured image in the determination area, and outputs a result of the determination.
This work machine comprises a blade, a left lift frame, a right lift frame, an engine, and an engine compartment. The left lift frame and the right lift frame are disposed behind the blade and support the blade. The engine compartment is disposed behind the blade. The engine is disposed in the engine compartment. The engine compartment includes a lower compartment and an upper compartment. The lower compartment is disposed between the left lift frame and the right lift frame. The upper compartment is disposed above the lower compartment. The width of the upper compartment is wider than the width of the lower compartment.
One aspect of the present disclosure pertains to a control device for a work vehicle, the control device comprising: an information acquisition unit that acquires information about the state of the work vehicle; a determination unit that determines the operating state of the work vehicle at the current time on the basis of the information acquired by the information acquisition unit; a prediction unit that predicts the operating state of the work vehicle subsequent to the current time on the basis of the operating state of the work vehicle determined by the determination unit; and a control unit that controls the work vehicle on the basis of the operating state of the work vehicle predicted by the prediction unit.
F02D 29/02 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehiclesControlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving variable-pitch propellers
F01N 3/023 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
F02D 29/00 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
5.
AUTOMATIC SWING CONTROL SYSTEM FOR WORK MACHINE, WORK MACHINE, AND AUTOMATIC SWING CONTROL METHOD FOR WORK MACHINE
A work machine (2) is attached to a swing body (3). A controller (50) executes automatic swing control for controlling swing of the swing body (3). The controller (50) reduces the swing speed of the swing body (3) on the basis of a second target swing angle (C) before reaching a first target swing angle (B) that serves as a target stop angle for the automatic swing control.
This method for manufacturing a power storage device comprises: a step for alternately laminating an electrode foil and separators, and causing at least a part of an active-material uncoated portion of the laminated electrode foil to protrude from end portions of the separators in a direction along a short side of the electrode foil; a step for bending at least a part of the active-material uncoated portion at a plurality of locations to form a plurality of extension portions extending in a direction intersecting the electrode foil so as to cover the separators when viewed from the direction along the short side of the electrode foil; and a step for laser-welding the active-material uncoated portion and a current collector plate by irradiating an outer surface of the current collector plate with laser light in a state in which an inner surface of the current collector plate is in contact with a part of the active-material uncoated portion that is outside the plurality of extension portions in the direction along the short side of the electrode foil.
A wheel loader (100) performs automatic braking control for automatically applying braking during travel in accordance with the distance to an obstacle. Brake circuits (42a, 42b) apply braking during travel of the wheel loader (100). An EPC valve (46) opens and closes a hydraulic circuit for supplying hydraulic oil to the brake circuits (42a, 42b) in automatic braking control. The pressure sensor detects the pressure of the hydraulic circuit. The controller (26) disables the control of the brake circuits (42a, 42b) in the automatic braking control when it is determined that there is an abnormality in the EPC valve (46) or the pressure sensor (25b).
This control system for a work machine comprises: a pump that discharges hydraulic oil; a meter-in valve that controls a flow rate of the hydraulic oil supplied from the pump to an actuator; a valve circuit that connects the pump and the meter-in valve; a bleed circuit that branches from the valve circuit and is connected to a tank; a bleed valve that is disposed in the bleed circuit and controls the flow rate of the hydraulic oil discharged from the valve circuit to the tank by changing a valve opening; and a controller. The controller: calculates a valve circuit target flow rate indicating a target flow rate of the hydraulic oil supplied to the valve circuit; calculates a valve circuit target pressure indicating a target pressure of the hydraulic oil supplied to the valve circuit; calculates a leakage flow rate indicating an estimated flow rate of the hydraulic oil leaking from the valve circuit; calculates, on the basis of the valve circuit target flow rate, the valve circuit target pressure, and the leakage flow rate, a target opening area of the bleed valve when the hydraulic oil is discharged from the valve circuit to the tank via the bleed valve; and controls the bleed valve on the basis of the target opening area.
F15B 11/028 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the actuating force
F15B 11/042 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the speed by means in the feed line
This system comprises a machine operation member, a lock operation member, a communication device, and a controller. When the lock operation member is at the lock position, the operation by the machine operation member is disabled. When the lock operation member is at the unlock position, the operation by the machine operation member is enabled. The controller is capable of executing an optional control function for the work machine. The controller receives, from an external server, information about the optional control function, including settings for enabling and disabling the optional control function. The controller determines whether the lock operation member is located at the lock position or the unlock position. When a setting of the optional control function is changed, the controller switches between enabling and disabling of the optional control function on the basis of the changed setting when the lock operation member is located at the lock position or when the lock operation member is switched from the lock position to the unlock position.
According to the present invention, the responsiveness of automatic braking is improved, and shock at the start of braking is suppressed. This work machine performs automatic braking control for automatically braking travel on the basis of a detection result of an obstacle in the direction of travel, and comprises a brake circuit, a proportional pressure reducing valve, and a controller. The brake circuit brakes the travel. The proportional pressure reducing valve opens and closes a hydraulic circuit that supplies hydraulic oil to the brake circuit during the automatic braking control. The controller outputs a first command current (C1) to the proportional pressure reducing valve for a predetermined trigger time in an initial stage of the automatic braking control, outputs a third command current (C3) smaller than the first command current (C1) to the proportional pressure reducing valve for a predetermined second trigger time after the trigger time has elapsed, and outputs a second command current (C2) smaller than the third command current to the proportional pressure reducing valve after the second trigger time has elapsed.
B60T 7/12 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger
B60T 17/00 - Component parts, details, or accessories of brake systems not covered by groups , or , or presenting other characteristic features
This control system for a working machine includes a processor. The processor receives an operation signal from an operation device operated to operate the working machine having a working tool and a travelling device, calculates a constraint condition under which a load held by the working tool does not collapse on the basis of a vehicle state parameter indicating an operation state of the working machine, and corrects the operation signal on the basis of the constraint condition.
The present invention enables automatic control of excavation work in a simple manner. This work machine comprises: a boom; an arm connected to the boom; a bucket connected to the arm; and a controller that executes automatic excavation control for operating the arm in an excavation direction and for operating the bucket in the excavation direction. A boom operation mode, which is a mode of boom operation, is adjusted in advance. The controller outputs a control signal for operating the boom in the pre-adjusted boom operation mode during the execution of the automatic excavation control.
According to the present invention, a reception unit receives wireless signals from terminals that are carried by a plurality of operators that can operate a work machine and are capable of wireless communication. The wireless signals include terminal IDs that identify the terminals. Upon activation, an authentication unit uses authentication data that associates an operator ID and a terminal ID for every operator to try to find matches for the terminal IDs included in the wireless signals and thereby performs authentication processing without receiving designation of operator IDs by the operators.
A battery control system 1 comprises a plurality of battery packs 10 connected in parallel and a controller 50. The controller 50 stores, in a storage unit 51, a battery pack 10 to be first connected to a load at the next start-up. At the time of starting, the stored battery pack 10 is first connected to the load. After connection processing of the stored battery pack 10 is performed, a failure of the battery pack 10 on which the connection processing has been performed is detected first. When no failure is detected, a battery pack 10 different from the battery pack 10 that is first connected to the load at the latest start-up is stored in the storage unit 51 as a battery pack 10 to be first connected to the load at the next start-up. When a failure is detected, a battery pack 10 that is different from the battery pack 10 first connected to the load at the latest start-up and is other than the battery pack 10 in which the failure has been detected is stored in the storage unit 51 as a battery pack 10 to be first connected to the load at the next start-up.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 58/21 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
15.
SURROUNDINGS MONITORING SYSTEM FOR WORK MACHINE, WORK MACHINE, AND SURROUNDINGS MONITORING METHOD FOR WORK MACHINE
This surroundings monitoring system for a work machine comprises: an object detection device capable of detecting objects in the surroundings of the work machine; an alarm device disposed so as to output an alarm to an operator operating the work machine; and a processor. The processor sets the operation mode of the alarm device to an activated mode, in which a function related to object detection is activated, and a deactivated mode, in which the function related to object detection is deactivated, controls the alarm device on the basis of the operation mode, authenticates the operator operating the work machine, and sets the operation mode to the activated mode when the authentication is revoked.
A display system 90 of a wheel loader 1 comprises: a display device for displaying information pertaining to the wheel loader 1 as a display item; a jog dial 30 capable of receiving an operation of selecting a display item; and a display controller 80 for controlling display on a display device 23. When a display item is selected by the jog dial 30, the display controller 80 displays an icon image corresponding to the display item on a screen after selection, and when the selected display item has a hierarchy, the display controller displays an icon image corresponding to the selected display item and an icon image corresponding to a display item in a hierarchy higher than the selected display item.
G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
17.
SYSTEM FOR CONTROLLING WORK MACHINE, WORK MACHINE, SYSTEM FOR REMOTELY OPERATING WORK MACHINE, AND METHOD FOR CONTROLLING WORK MACHINE
This system for controlling a work machine comprises a controller. The controller uses terrain data indicating the shape of the ground around a work machine as a basis to determine whether there is a downward slope in the direction of travel of the work machine and outputs a control command for reducing the travel speed of the work machine on the basis of the gradient of a downward slope.
This work machine control system comprises a computer. The computer acquires a pre-correction command, and corrects the pre-correction command and outputs a post-correction command for operating the work machine, the correction being performed so as to satisfy a constraint for maintaining stability of the work machine while keeping the deviation between the pre-correction command and the post-correction command small.
A system according to one aspect of the present disclosure controls a work machine. The work machine includes a turning body and a work implement. The turning body is turnable. The work implement is operably attached to the turning body. The system includes an input device and a controller. The input device is operable by an operator to acquire teaching of the operation of automatic turning control of the work machine. The controller executes the automatic turning control in a normal mode that controls the operation of the work implement and the turning operation of the turning body so that the work implement moves on the basis of the teaching. The controller executes the automatic turning control in a preliminary practice mode that controls the operation of the work implement and the turning operation of the turning body so that the work implement moves on the basis of the teaching at a speed different from the speed of the normal mode.
The purpose of the present invention is to cause a work device to operate in a suitable manner during turning of a turning body. In a work device operation start period during turning of a turning body to which a work device is attached so as to be operable, a control command for increasing the operation speed of the work device as the remaining turning angle to a target position for the turning body decreases is outputted. In a work device operation end period during turning of the turning body, a control command with which the operation speed of the work device decreases as the remaining turning angle decreases is outputted.
An input system 90 of a work vehicle includes a display device 23, a collective switch device 40 provided with a plurality of switches, and a vehicle body controller 60. When the vehicle body controller 60 can receive an input operation to the display device 23, it receives an operation to a switch SW of the collective switch device 40 as an input operation of a numerical value assigned to the switch and display, on the display device 23, a collective switch image on which the numerical value assigned to a position corresponding to the switch SW is arranged.
G06F 3/02 - Input arrangements using manually operated switches, e.g. using keyboards or dials
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
This work machine (1) comprises a swing body (4), a work device (3), operation levers (33L, 33R), and a controller (24). The swing body (4) is able to swing. The work device (3) is attached to the swing body (4). The operation levers (33R, 33L) operate the work device (3). The controller (24) performs automatic swing control for automatically swinging the swing body (4) and the work device (3). The controller (24) controls the work device (3) on the basis of the larger among an operation command by the automatic swing control and an operation command by the operation levers (33R, 33L) from the start of the automatic swing control up to a prescribed timing.
A system according to one aspect of the present disclosure is used for automatically controlling a work machine, the system comprising a secondary controller and a primary controller. The secondary controller calculates a command value for operating the work machine by automatic control. The secondary controller outputs a calculation signal indicating the command value. The primary controller receives the calculation signal. The primary controller assesses the validity of the calculation signal. In cases where the calculation signal is valid, the primary controller receives the calculation signal and executes automatic control of the work machine on the basis of the calculation signal. In cases where the calculation signal is invalid, the primary controller rejects the calculation signal and does not execute automatic control of the work machine.
A system according to one aspect of the present disclosure is a system for controlling a work machine having a continuously variable transmission. The system according to the aspect comprises a shift operation member and a controller. The shift operation member can be operated by an operator. The controller shifts up the virtual gear ratio of the continuously variable transmission at a predetermined increase rate in response to a first shift-up operation on the shift operation member. The controller shifts up the virtual gear ratio of the continuously variable transmission to a preset gear ratio determined in advance in response to a second shift-up operation on the shift operation member.
F16H 59/06 - Ratio selector apparatus the ratio being infinitely variable
B60K 20/00 - Arrangement or mounting of change-speed gearing control devices in vehicles
B60K 20/02 - Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
F16H 61/02 - Control functions within change-speed- or reversing-gearings for conveying rotary motion characterised by the signals used
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
A work machine according to the present disclosure includes a work implement control unit and a turning control unit. The work implement control unit controls a work implement. The turning control unit acquires the progress status of control of the work implement. The turning control unit determines the turning speed of a turning body on the basis of the progress status of control of the work implement. The turning control unit controls the turning body at a rotation speed.
This work machine comprises a turning body, a work implement, an operation member, and a control unit. The turning body is turnable. The work implement is attached to the turning body. The operation member operates the work implement or the turning body. The control unit performs automatic turning control for controlling the turning body and the work implement. When a manual intervention operation is detected on the basis of the operation of the operation member during the execution of an automatic turning control, the control unit stops the automatic turning control and changes a control status according to the progress of the automatic turning control.
A system according to the present disclosure comprises an operation member and a controller. The operation member can be operated by an operator of a work machine. The controller determines whether or not the work machine is being used for excavation work. The controller, upon determining that the work machine is being used for excavation work, executes high rotational speed control for increasing the rotational speed of a power source. The controller determines whether or not the work machine has finished the excavation work. The controller, upon determining that the work machine has finished the excavation work, cancels the high rotational speed control. Even if it is determined that the work machine is being used for the excavation work, the controller cancels the high rotational speed control when a predetermined operation has been performed by the operation member.
This work machine control system comprises a controller for a work machine having a travel device and an implement. The controller calculates, on the basis of detection data from an external sensor for detecting a stock pile formed at a work site, a detection shape of the stock pile and compares a target shape of the stock pile with the detection shape for an evaluation value related to the shape of the stock pile to determine whether or not to correct the shape of the stock pile.
This work machine comprises a motive power source, a hydraulic pump, a hydraulic brake, a brake charge valve, and a controller. The hydraulic pump is driven by the motive power source. The hydraulic brake generates braking force by using hydraulic oil discharged from the hydraulic pump. The brake charge valve controls brake pump pressure indicating the hydraulic pressure of the hydraulic oil discharged from the hydraulic pump. The controller executes normal charge control for controlling the brake charge valve so that the brake pump pressure becomes a prescribed first pressure. When the motive power source is started, start auxiliary control for controlling the brake charge valve is executed so that the brake pump pressure becomes a second pressure lower than the first pressure.
F15B 11/028 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the actuating force
30.
METHOD, CONTROLLER FOR WORK MACHINE, AND SYSTEM INCLUDING WORK MACHINE
The present invention determines the arrangement of a loading target where an excavation target excavated by a work machine is to be loaded. In step (S1), at least one piece of layout information is prepared, the layout information including the arrangement of the excavation target to be excavated by the work machine and the arrangement of the loading target where the excavated excavation target is to be loaded by the work machine. In step (S2), the current position of the excavation target is acquired. In step (S5), the layout information is applied to the acquired current position of the excavation target to determine the arrangement of the loading target with respect to the current position of the excavation target.
According to the present invention, a work apparatus of a work machine comprises a work apparatus element. In a cross-section of the work apparatus element, the work apparatus element has a first member that has a pair of first connection surfaces and a second member that has a pair of second connection surfaces that are welded to the pair of first connection surfaces, respectively. The plate thicknesses of each of a plurality of portions of the work apparatus element in the longitudinal direction of the work apparatus element are different from each other.
An estimation device according to the present invention estimates the degree of damage to an engine mounted on a work machine, and comprises: a first acquisition unit that acquires the cumulative amount of fuel consumption of the engine; a second acquisition unit that acquires the accumulated amount of errors which may cause failure of the engine; and an estimation unit that estimates the degree of damage to a component constituting the engine on the basis of the amount of fuel consumption acquired by the first acquisition unit, the accumulated amount of errors acquired by the second acquisition unit, and a prescribed evaluation function.
According to the present invention, a transmitter transmits operation commands to a work machine. A jammer interferes with communication between the transmitter and the work machine. An instruction terminal is provided remotely from the transmitter and the work machine and configured to be capable of communicating with the jammer, and transmits interference instructions, instructing interference with the communication, in response to the operation commands. The work machine operates according to the operation commands received from the transmitter, periodically communicates with the transmitter, and stops operating when communication with the transmitter is disabled.
This work machine comprises: a power source; an output device that outputs output data; and a processor. The processor specifies the output mode of the output device on the basis of the type of the power source, and outputs a control command so that the output device operates in the output mode.
This information processing device comprises a processor. The processor: acquires process data obtained when a work machine processes rocks that absorb carbon dioxide; and causes a storage device to store the process data.
A rotating body (3) rotates around a rotational axis (RX). A work machine (2) is attached to the rotating body (3) and has a bucket (8). An operation unit (25) receives a manual operation from an operator with respect to the work machine (2). A controller (50) performs automatic rotation control for automatically controlling the rotating body (3) and the work machine (2). When the rotation radius, which is the distance between the bucket (8) and the rotational axis (RX), changes to R2 due to a manual operation received by the operation unit (25) during execution of the automatic rotation control, the controller (50) performs the automatic rotation control on the basis of the rotation radius R2 after the change.
A hydraulic shovel 1, which is a work machine, comprises hydraulic piping through which hydraulic oil flows. The hydraulic piping comprises: a discharge pipe 51 and a discharge pipe 52 for discharging hydraulic oil from a hydraulic oil tank 31 to a hydraulic valve disposed at the front of a driver's seat 14; and a return pipe 53 for returning the hydraulic oil from the hydraulic valve to the hydraulic oil tank 31. The discharge pipes 51 and 52 and the return pipe 53 are disposed vertically underneath the driver's seat 14 and vertically above a battery, the hydraulic oil tank 31, and an electric motor 33.
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
A hydraulic shovel 1 that is a work machine comprises: an exterior cover 15 of a vehicle body 10; a body section 161 of a rear cover 16 that closes an opening S2 rearward of the exterior cover 15; a battery disposed inside the exterior cover 15; and a hinge 160 that is attached to the exterior cover 15 and the rear cover 16 and is capable of opening and closing. The hinge 160 is disposed on one side in the left-right direction of the vehicle body 10, and the battery is disposed on the other side.
This energy supply system is provided with: a power generation device that generates power by using renewable energy; a water tank that stores water; a hydrogen generation device that operates using the power generated by the power generation device and generates hydrogen from the water in the water tank; a hydrogen tank that stores the hydrogen generated by the hydrogen generation device; a fuel cell that generates power by using hydrogen from the hydrogen tank; and a charging device that uses the power generated by the fuel cell to charge an on-board battery mounted on a first work machine.
H01M 8/0656 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
This exhaust gas treatment device for an engine installed in a work machine comprises a container that accommodates a metal organic structure capable of adsorbing at least one substance contained in exhaust gas, and a compressor for pressurizing the container to which the exhaust gas is supplied.
F01N 3/08 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
This information processing system includes a processor. The processor: acquires emission reduction effect data indicating an emission reduction effect with respect to a greenhouse gas of a fuel; acquires a fuel supply amount indicating the amount of fuel supplied to a work machine; calculates an emission reduction amount of greenhouse gas in the work machine, on the basis of the emission reduction effect data and the fuel supply amount; and gives an incentive to a user of the work machine on the basis of the emission reduction amount.
This work machine includes: a vehicle body; a hydrogen port to which hydrogen is supplied from the outside of the vehicle body; a fuel cell that generates power while receiving supply of hydrogen from the hydrogen port; and a power supply port for supplying power generated by the fuel cell to a battery mounted on a battery work machine.
This authentication system for a work machine comprises a processor. The processor generates display data for displaying, on a display device, a list of work machines capable of connecting with a user terminal. On the basis of input data from an input device, a work machine to connect the user terminal with is selected from the list.
This authentication system for a work machine comprises a processor. The processor receives issuance application data for applying the issuance of a digital key for the work machine, transmits approval request data to a management terminal to request the approval of issuing a digital key on the basis of the issuance application data, and transmits issuance request data to request the issuance of the digital key on the basis of reply data from the management terminal.
A method according to the present invention comprises: obtaining a length of a pitch link; obtaining a blade tilt angle of a blade relative to a lift frame; obtaining a stroke length of an angle cylinder; and determining an estimate value of a blade angle of the blade in the lift frame reference, on the basis of the length of the pitch link, the blade tilt angle, and the stroke length of the angle cylinder.
This remote operation assistance system assists remote operation of a work vehicle. The work vehicle loads excavated material excavated by a bucket of a work machine into a loading container having a bottom part and a side wall part extending upward from the bottom part. The remote operation assistance system acquires orientation information indicating the orientation of the work machine. The remote operation assistance system acquires position information indicating the three-dimensional relative position of the side wall part with respect to the work vehicle. On the basis of the orientation information and the position information, the remote operation assistance system displays, on a display installed at a location where the remote operation is performed, an image indicating the relative positional relationship between the bucket and the side wall part when the work vehicle and the loading container are viewed from the side of the work machine.
This electric work vehicle includes: a vehicle body, a travel device; an engine; a cooling unit; a generator; an electric motor; and a power control device. The travel device is attached to the vehicle body. The engine is disposed on the vehicle body. The cooling unit is disposed on the vehicle body and is disposed rearwards of the engine. The generator is driven by the engine. The electric motor is driven by power from the generator and causes the travel device to operate. The power control device includes a converter and/or an inverter. The power control device is disposed between the engine and the cooling unit in the vehicle front-rear direction, and supplies power from the power generator to the electric motor.
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
The purpose of the invention is to improve productivity of excavation work. This control system for a work machine comprises a work machine and a controller. The work machine has a boom, an arm connected to the boom, and a bucket connected to the arm, and performs excavation work with the bucket. The controller acquires control parameters related to work machine operation during excavation work from at least one previously stored adjusted control parameter and information acquired in the initial stage of the excavation work. The controller controls the excavation work using the acquired control parameters.
E02F 3/43 - Control of dipper or bucket positionControl of sequence of drive operations
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
49.
WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE
This work machine comprises a drive source, first driven wheels, a mechanical transmission, second driven wheels, an HST, and a controller. The mechanical transmission transmits driving force from the drive source to the first driven wheels. The HST includes a hydraulic pump, a hydraulic motor, and a drive circuit. The hydraulic pump is driven via the drive source. The hydraulic motor is driven via a hydraulic fluid discharged from the hydraulic pump. The drive circuit connects the hydraulic pump and the hydraulic motor. The HST transmits driving force from the drive source to the second driven wheels. The controller acquires a present speed stage of the mechanical transmission. The controller controls the HST so as to limit the hydraulic pressure of the drive circuit to not greater than a cutoff pressure according to the present speed stage.
F16H 61/4017 - Control of high pressure, e.g. avoiding excess pressure by a relief valve
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
The present invention reduces variations in step ratio. First to fourth planetary gear sets (1‒4) are arranged in an axial direction in order from an input member (7) toward an output member (10), and each gear set includes a sun gear, a planetary carrier, and a ring gear. First to fourth clutches (51‒54) and first and second brakes (61, 62) are each operably connected to at least one planetary gear set among the planetary gear sets (1‒4), and are capable of selectively engaging with the gear sets so as to create a set of different gear ratios including at least ten forward gear ratios and at least one reverse gear ratio between the input member (7) and the output member (10). The first clutch (51) selectively connects a first planetary carrier (14) and a fourth ring gear (43).
This control device identifies the relationship between a target turning radius and the speed ratio of a pair of crawlers on the basis of the speed ratio of the pair of crawlers at a first time point and a work vehicle turning radius pertaining to the result of control conforming to the speed ratio. The control device determines the speed ratio of the pair of crawlers from the target turning radius at a second time point on the basis of the identified relationship.
A power consumption prediction device according to the present invention comprises a plan acquisition unit, a power consumption amount prediction unit, and an output unit. The plan acquisition unit acquires a work plan that includes work content performed by a work machine provided with a storage battery, and a work time in which said work content is performed. On the basis of the work plan acquired by the plan acquisition unit, the power consumption amount prediction unit predicts a work power consumption amount consumed by the storage battery in the work plan. The output unit outputs the work power consumption amount predicted by the power consumption amount prediction unit.
This management system includes a computer. The computer includes: an emission reduction effect acquisition unit that acquires emission reduction effect data indicating a greenhouse gas emission reduction effect of fuel; a transaction amount acquisition unit that acquires a transaction amount of the fuel in at least a part of a fuel distribution process; an emission reduction amount calculation unit that calculates a greenhouse gas emission reduction amount in at least a part of the fuel distribution process on the basis of the emission reduction effect data and the transaction amount; and an output unit that outputs history data indicating the emission reduction amount.
This operation condition determination system for a work machine comprises a computer. The computer: acquires a first state including a first position of a work machine; acquires a second state which is later than the first state and includes a second position of the work machine; generates a control input value including a travel input value for controlling a travel device of the work machine during movement of the work machine from the first position to the second position, and a work input value for controlling a work device of the work machine; and inputs the first state, the second state, and the control input value to a model of the work machine to determine a target operation condition of the work machine including a target travel condition of the travel device from the first position to the second position and a target work condition of the work device so as to satisfy a constraint condition that the cargo held by the work device does not collapse during movement.
The present invention accurately identifies the state of a cooling fan. A work machine is provided with: an engine (40) which is a driving source for operation of the work machine; a heat exchanger (70) in which a to-be-cooled fluid circulates; cooling fans (61, 62) that send outside air to the heat exchanger (70) to cool the to-be-cooled fluid; and a controller (80) that controls the engine (40) and the cooling fans (61, 62). The cooling fans (61, 62) are driven as a result of supplying energy that is different from the driving force generated by the engine (40). When set to a failure diagnosis mode for identifying a failure state of the cooling fans (61, 62), the controller (80) drives the cooling fans (61, 62) while the engine (40) is stopped.
The present invention suppresses decreases in capacity for cooling a to-be-cooled fluid even if a cooling fan malfunctions. This work machine comprises: a heat exchanger through which the to-be-cooled fluid circulates; a first cooling fan and second cooling fan that send outside air to the heat exchanger and cool the to-be-cooled fluid; and a controller. The controller increases the rotation speed of the second cooling fan when malfunctioning of the first cooling fan is detected.
In the present invention, a control device switches, on the basis of a charging rate of a power storage device, the target generated power of a fuel cell to any one of generated power candidates including first power and second power lower than the first power. The control device updates the value of the first power or the second power as triggered by the switching of the target generated power between the first power and the second power.
B60L 58/40 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
This worker support system for a work machine is provided with a computer. The computer has: an input data acquisition unit for acquiring input data from an input device; a group creation unit for creating a group of a member and a work machine involved in a job site, on the basis of the input data; a worker support data creation unit for creating worker support data that is data for a member, on the basis of the input data; and an access permission unit for permitting browsing of the worker support data by the member.
A control system 1 of a work vehicle comprises: an image-capture device 128 for capturing an image of a site where construction is performed by a work vehicle provided with a work machine; a communication device 129 for transmitting the image captured by the image-capture device 128 to a remote operation room from which the work vehicle is remotely operated; a display control unit 221 for displaying the image on a display device 200 provided in the remote operation room; a transmission status detection unit 11 for detecting the transmission status of data between the work vehicle and the remote operation room; a work state detection unit 12 for detecting the work state of the work vehicle; a work continuation determination unit 15 for determining whether to continue work of the work vehicle on the basis of the transmission status and the work state; and a work machine control unit 17 for performing control to cause the work vehicle to continue the work when it is determined by the work continuation determination unit 15 that the work is to be continued.
This control system for a work machine comprises a controller. The controller acquires an operation signal for switching the traveling direction of the work machine, determines whether the operation signal satisfies an acquired operating condition in a state where the work machine is traveling at a traveling speed equal to or higher than a first speed threshold, and prohibits output of a forward/reverse switching command for switching the traveling direction when it is determined that the operating condition is satisfied.
The present invention adjusts the shape of a load loaded in a container. A work implement has a bucket (6) at the tip. A work implement actuator drives the work implement. A controller causes the work implement actuator to operate after loading work of a load (310) into a vessel (301) is completed, and lowers the bucket (6) above the vessel (301) until the bucket hits the load (310).
A first direction switching valve (11) supplies hydraulic oil to a first port (P1) on the basis of a first pilot signal. A second direction switching valve (12) discharges the hydraulic oil from a second port (P2) on the basis of a second pilot signal. A lowering control valve (13a) is disposed between the second port (P2) and the second direction switching valve (12). A controller (20) outputs the second pilot signal in accordance with a lowering operation of a work machine (3) and outputs a command signal, which is different from the second pilot signal, on the basis of the second pilot signal to open the lowering control valve (13a) on the basis of the command signal.
F15B 11/044 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the speed by means in the return line
In the present invention, a control device recognizes the states of a swing body and a work machine. The control device executes first automatic control for automatically moving a work tool to a target position in conjunction with the swing body and the work machine in accordance with an automatic control command. During the first automatic control, the control device interrupts the first automatic control in cases where it is determined that the state of the swing body or the work machine is an immobile state.
This work machine comprises a vehicle body, a traveling body, a transmission, a traveling motor, a working machine, a lubrication pump, and a controller. The traveling body causes the vehicle body to travel. The transmission is connected to the traveling body. The traveling motor is connected to the transmission. The working machine is operably attached to the vehicle body. The lubrication pump supplies lubricating oil to the transmission. The controller acquires traveling horsepower passing through the transmission. The controller calculates the required lubrication amount of the lubricating oil of the transmission on the basis of the traveling horsepower. The controller controls a discharge amount of the lubrication pump on the basis of the required lubrication amount.
The present invention makes it possible to easily ascertain the size of a transport vehicle for transporting a load. An outer shape information acquisition unit acquires outer shape information pertaining to a transport vehicle for transporting a load. A storage unit (160) stores shape data (161A) relating to the shape of the first transport vehicle and loading amount information (161B) pertaining to the first transport vehicle. When the outer shape information pertaining to the transport vehicle matches the shape data (161A), an automation controller (100) controls an operation for loading the load onto the transport vehicle on the basis of the loading amount information (161B).
This work machine comprises: a work apparatus; a fuel cell supported by a vehicle body; a fan for cooling heat source equipment provided to the work machine; and a main control device. The main control device causes the fan to rotate by using electric power generated by the fuel cell when stopping the fuel cell.
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
B60L 58/30 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
H01M 8/04228 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells during shut-down
In the present invention, a control device starts a stopping process for a set of first fuel cell modules. After the start of the stopping process for the set of first fuel cell modules, the control device starts a stopping process for a set of second fuel cell modules.
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
B60L 58/40 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/04228 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells during shut-down
According to the present invention, when the power required to drive a work machine is high, a control device sets a target state of charge such that the state of charge of an energy storage device is lower compared to when the required power is low. The control device calculates a control power for bringing the state of charge of the energy storage device closer to the target state of charge on the basis of the current state of charge of the energy storage device and the target state of charge. The control device sets a power generation target for a fuel cell on the basis of the sum of the required power and the control power.
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Matsumura Yukinori
Kobayashi Yuuki
Matsumoto Jun
Matsuyama Akie
Seta Kyohei
Shimomura Hajime
Takenaka Takeshi
Watanabe Kentaro
Miwa Hiroyasu
Mitake Yuya
Ogata Masayasu
Otsuki Mai
Ichikari Ryosuke
Ohyama Junji
Umemura Hiroyuki
Takamatsu Nobumasa
Abstract
This management system comprises: a log storage unit that stores data pertaining to the operation of a work machine and vital data of an operator who operates the work machine; a first determination unit that determines, from the vital data of the operator, whether the amount of change in the vital data has exceeded a threshold value; and a second determination unit that determines, from the data pertaining to the operation of the work machine, whether the work machine has been abnormally operated. The management system further comprises an output unit that, on the basis of the determination result from the first determination unit and the determination result from the second determination unit, associates the operator during operation of the work machine with the work process pertaining to said operation and outputs the same.
A vehicle body (1) can travel. A vehicle speed sensor (24) detects the vehicle speed of the vehicle body (1). A braking operation device (51A) outputs a braking signal for the vehicle body by being operated by an operator. An object sensor (25) detects an object behind the vehicle body (1). An automatic brake device (45) applies brakes on the vehicle body (1) by means of an automatic brake on the basis of the detection result of the object sensor (25). A controller (26) outputs an automatic braking instruction for applying brakes on the vehicle body (1) by the operation of the automatic brake device (45), and then cancels the operation of the automatic brake device (45) on the basis of the vehicle speed and the braking signal.
B60T 7/12 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger
B60W 30/09 - Taking automatic action to avoid collision, e.g. braking and steering
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
This display system for a work machine comprises: an acquisition unit that acquires detection data including an image of the periphery of a work machine; a level difference detection unit that detects, on the basis of the detection data, any level difference between a first ground surface of a work site on which the work machine travels and a second ground surface present below the first ground surface; a display data generation unit that generates display data including the image of the periphery and a position image indicating the position of the level difference; and an output unit that displays the display data on the display device.
This authentication information display system comprises: an identification data acquiring unit that acquires identification data of a work machine; a device data storage unit that stores device data indicating a relationship between a device mounted on the work machine and authentication information of the device; a display data generating unit that generates display data including authentication information of the device mounted on the work machine on the basis of the identification data and the device data; and a display control unit that causes a display device to display the display data.
This system for controlling a work machine comprises a controller. The controller recognizes a distance from a work machine to an excavation target, determines whether the work machine is traveling at a travel speed equal to or greater than a first speed threshold value, determines whether the work machine is moving forward toward the excavation target, and outputs a deceleration command for reducing the travel speed of the work machine when the work machine is determined to be traveling at a travel speed equal to or greater than the first speed threshold value, the work machine is determined to be moving forward toward the excavation target, and the distance is determined to be equal to or less than a distance threshold value.
Provided is a control device of a work machine, which commands the operation of the actuator of a work tool according to a target position of said work tool. The control device changes the target position when the state of the actuator satisfies predetermined conditions.
A wheel loader (1) moves to a work start position (P2) for a second excavation target (200B) using the end of excavation of a first excavation target (200A) as a trigger. Thereafter, the second excavation target (200B) is excavated, and an automated operation which is a series of automated tasks for loading an excavation object having been excavated onto a loading target (300) is executed. A position information sensor (111, 112) detects positional information between a current position (P1) of the wheel loader (1) and the work start position (P2). An automation controller (100) generates a travel route (R1) from the current position (P1) to the work start position (P2) on the basis of the position information on the current position (P1) and the work start position (P2).
This control system for a work machine comprises a controller. The controller determines the presence or absence of a prescribed action in which a work equipment bucket of the work machine repeats a tilting action and a dumping action, and when it is determined that the prescribed action has been performed and the action speed of the prescribed action has exceeded a threshold value, the controller outputs a control command such that the action speed becomes less than or equal to the threshold value.
NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY (Japan)
Inventor
Sanada, Kazushi
Nagura, Shinobu
Yanagida, Yuta
Abstract
This rotary valve system comprises: a body that has a body high-pressure port, a body low-pressure port, and a body output port; a stator that is disposed inside the body and has a stator output port connected to the body output port through an output flow path provided in the body; a rotating body that is disposed inside the stator and has a high-pressure port groove to which hydraulic oil from the body high-pressure port is supplied, and a low-pressure port groove that is provided at a position different from the high-pressure port groove in the circumferential direction and to which hydraulic oil from the body low-pressure port is supplied; and a controller that controls the rotation of the rotating body. The controller causes the rotating body to rotate so as to change each of a time in a high-pressure connection state in which the body high-pressure port and the body output port are connected through the high-pressure port groove and the stator output port, and a time in a low-pressure connection state in which the body low-pressure port and the body output port are connected through the low-pressure port groove and the stator output port.
F16K 11/085 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
78.
HEATING DEVICE FOR WORK MACHINE, AND METHOD FOR CONTROLLING HEATING DEVICE FOR WORK MACHINE
A heating device (3) for a work machine comprises a heating circuit (41), an electric component cooling circuit (42), a first valve (43), and a controller (47). The heating circuit (41) has: a first flow path (54) through which water for use in heating flows; an electric heater (51) that heats the water in the first flow path (54); and a first temperature sensor (56) that detects the temperature of the water in the first flow path (54). The electric component cooling circuit (42) has a second flow path (63) through which water for cooling electric components (62) flows, and a second temperature sensor (66) for detecting the temperature of the water in the second flow path (63). The first valve (43) is disposed between the heating circuit (41) and the electric component cooling circuit (42), and joins the electric component cooling circuit (42) to the heating circuit (41) or separates the electric component cooling circuit (42) from the heating circuit (41). The controller (47) operates the first valve (43) on the basis of a detection value (Tc) of the first temperature sensor (56) and a detection value (Te) of the second temperature sensor (66).
This inspection assistance system for a work machine includes: a template storage unit for storing a template related to inspection of a work machine; a display control unit for causing a display device to display the template stored in the template storage unit; and an inspection table creation unit for creating an inspection table of the work machine from the template displayed on the display device on the basis of first input data for selecting an inspection item.
This display control device comprises: an image acquisition unit that acquires an image of display data displayed on a monitor mounted on a work machine; a processing unit that identifies the meaning indicated by the display data; and a display control unit that causes a display device to display the identified meaning.
This work vehicle travels through a work site with electric power supplied from a battery. A cooling device of the present invention cools the battery. A control device of the present invention controls the cooling device according to the gradient of the work site through which the work vehicle travels.
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
In the present invention, a control device causes a power storage device to discharge power stored therein when a stop instruction for a work machine is received. The control device performs stop processing for a fuel cell module after the discharge of the power storage device, and causes the power storage device to be charged with generated power generated as a result of the stop processing.
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
B60L 58/40 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/04303 - Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during shut-down
This work machine comprises a traveling body, a turning body, an electric turning motor, and a fuel cell. The turning body is pivotally supported on the traveling body, and the electric turning motor generates power for turning the turning body. The electric power generated by the fuel cell when the turning body is turning is less than the electric power generated by the fuel cell when the turning body is not turning.
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Matsumura Yukinori
Kobayashi Yuuki
Matsumoto Jun
Matsuyama Akie
Seta Kyohei
Shimomura Hajime
Takenaka Takeshi
Watanabe Kentaro
Miwa Hiroyasu
Mitake Yuya
Ogata Masayasu
Otsuki Mai
Ichikari Ryosuke
Ohyama Junji
Umemura Hiroyuki
Takamatsu Nobumasa
Abstract
In the present invention, a placed-order reception unit receives, from an orderer, the input of order placement information for construction-related work. On the basis of a database in which information pertaining to a plurality of operators is stored, a notification unit issues a notification regarding the order placement information to a plurality of candidate operators who meet the conditions indicated by the order placement information from among the plurality of operators. An accepted-order reception unit receives, from one of the plurality of candidate operators, the input of acceptance of the order for work pertaining to the order placement information. A determination unit determines the candidate operator who inputted acceptance of the order as the operator with whom the order for work will be placed.
A surrounding camera (32) images the surroundings of a work machine (100). A controller (20) performs control to display a setting image (50B) pertaining to a change in the setting of the characteristics of an attachment (8) and a surrounding image (50A) of the work machine (100) captured by the surrounding camera (32) simultaneously on a monitor (21).
This work machine includes a vehicle body and work equipment that is attached to the vehicle body so as to be operable. This system includes an attitude sensor and a controller. The attitude sensor detects the attitude of the work equipment. The controller acquires a first target route extending in the traveling direction of the vehicle body. The controller acquires the width of the work equipment. The controller acquires the attitude of the work equipment. The controller determines an offset width on the basis of the width of the work equipment and the attitude of the work equipment. The controller generates a second target route adjacent to the first target route on the basis of the first target route and the offset width.
This work vehicle comprises: a drive source; a vehicle body frame on which the drive source is mounted; a cooling device that cools the drive source; and a fuel tank that stores fuel for the drive source. At least a portion of the cooling device overlaps the fuel tank when viewed in the vertical direction of the vehicle, and is supported by the vehicle body frame.
B60K 11/04 - Arrangement or mounting of radiators, radiator shutters, or radiator blinds
B60P 1/04 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load supporting or containing element
B62D 21/18 - Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups
88.
MOTOR GRADER AND METHOD FOR CALCULATING DRAWBAR ATTITUDE OF MOTOR GRADER
This motor grader comprises: a front frame; a drawbar; a connection member for swingably connecting the drawbar to the front frame in front of the drawbar; a first identification marker that is attached to a first position of the front frame near the connection member; a camera that is attached to the drawbar and is for imaging the first identification marker; and a controller for calculating the attitude of the drawbar on the basis of first image data, of the first identification marker, obtained by imaging.
This system including a work machine executes automatic work in which a series of work for excavating an object to be excavated and loading the excavated object into an object to be loaded is automated. A wheel loader (1) comprises a traveling device (4) and a work implement (3). A reception unit (150a) of the wheel loader (1) receives a work start signal from the outside of the wheel loader (1). Controllers (50, 100) control the traveling device (4) and the work implement (3) so as to start automatic work on the basis of the work start signal received by the reception unit (150a).
This system including a work machine executes automatic work in which a series of work for excavating an object (200) to be excavated and loading the excavated object into an object (300) to be loaded is automated. A wheel loader (1) has a position information acquisition device (112) and an automation controller (100). The position information acquisition device (112) detects a current position (P1) of the wheel loader (1). The automation controller (100) generates, from the current position (P1) of the wheel loader (1) detected by the position information acquisition device (112) and a start position (P2) for starting the automatic work, a travel route (R1) from the current position (P1) to the start position (P2).
A planetary gear mechanism (11) is configured so that lubricating oil is supplied through a second supply flow path (62) towards a sun gear (22). The lubricating oil in a housing (29) is discharged through a fifth conduit (75) to the outside. A first wall surface flow path (S1) is formed between a planetary gear (23) and a first wall surface (33f) of a carrier column (33) of a planetary carrier (25), and the lubricating oil flows from the sun gear (22) side into the first wall surface flow path. A carrier column flow path (38) is formed in the carrier column (33), and the lubricating oil that flowed into the first wall surface flow path (S1) is discharged through the carrier column flow path to the outside of the planetary carrier (25). A first wall surface inner-peripheral side flow path (36) is formed in the planetary carrier (25), and the lubricating oil is discharged from the inner-peripheral side of the carrier column flow path (38) through the first wall surface inner-peripheral side flow path (36) to the outside of the planetary carrier (25).
This system controls a work vehicle provided with a fuel cell. A device for controlling the system determines whether or not the work vehicle is traveling downhill. The control device controls the amount of power generated by the fuel cell on the basis of the determination result.
B60L 58/40 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
B60L 7/14 - Dynamic electric regenerative braking for vehicles propelled by AC motors
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 50/75 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
According to the present invention, a travel frequency identification unit identifies the travel frequency, for each section of the road surface, of a work machine traveling on the road surface of a work site. A maintenance road surface determination unit determines a section to be maintained on the road surface of the work site based on the travel frequency.
E01C 23/00 - Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
E01C 23/01 - Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed supportsApplications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
An acquiring unit acquires vehicle body information relating to a work machine. An estimating unit estimates work content of the work machine on the basis of the vehicle body information. A display control unit generates a signal for displaying information relating to the work content of the work machine estimated by the estimating unit. The work content includes spotting work, which is a series of travels toward a loading spot within a loading site, or a series of travels toward a dumping spot within a dumping site. The estimating unit estimates whether the work content of the work machine is spotting work on the basis of the vehicle body information.
This system controls a work vehicle provided with a fuel cell and a power storage device. A control device of the system controls a power generation amount of the fuel cell on the basis of the altitude of the work vehicle.
B60L 58/40 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 50/75 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
An acquiring unit acquires vehicle body information relating to a work machine. An estimating unit estimates the work content of the work machine on the basis of the vehicle body information, and identifies inefficient work in the work content of the work machine on the basis of the vehicle body information.
In the present invention, a stator 3, which constitutes a motor along with a rotor, comprises: an annular stator core comprising a plurality of teeth 42; an insulator; and a plurality of windings 6. The ratio of the number of poles of the rotor to the number of slots of the stator core is 2:3. Each of the windings comprises: a plurality of coil sections 61 wound around the teeth; two lead wires 63 that constitute ends of the winding and extend from the coil sections; and jumper wires 62 the mutually different phases of which are accommodated in a plurality of crossover slots 52 of the insulator and which connect adjacent coil sections. A lead wire is drawn out from one side of the coil section in the circumferential direction, a jumper wire is drawn out from the other side in the circumferential direction of the coil section, and a jumper wire drawn out from the other side in the circumferential direction of the coil section extends to the other side in the circumferential direction with respect to the coil section.
This worksite management system comprises: a target water-spraying area setting unit for setting a target water-spraying area in a work area of a worksite where a transport vehicle can travel; and a water-spraying data generation unit that calculates an evaluation function including a water-spraying evaluation item related to the spraying of water by an unmanned water-spraying vehicle, and that generates a water-spraying path indicating a target trajectory for the unmanned water-spraying vehicle in the target water-spraying area so that the extent of an evaluation value of the evaluation function is improved.
E01H 3/02 - Mobile apparatus, e.g. watering-vehicles
E01C 19/16 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
G05D 1/43 - Control of position or course in two dimensions
G05D 1/225 - Remote-control arrangements operated by off-board computers
According to the present invention, a determination unit determines a drive amount of a work machine on the basis of work vehicle data including terrain data pertaining to the terrain around the work vehicle, orientation data of the work vehicle, and work machine load data pertaining to a load applied to the work machine.
This system comprises a sensor, a steering operation device, and a controller. The sensor detects the current position of a work machine. The controller controls the work machine by automated travel control on the basis of the current position of the work machine so that the work machine travels in accordance with a first target path. If the steering operation device is subjected to an intervention operation during the automated travel control, the controller interrupts the automated travel control and turns the work machine in response to the intervention operation on the steering operation device. When the intervention operation on the steering operation device ends, the controller acquires the position and the bearing of the work machine at the end of the intervention operation on the steering operation device as an intervention end position and an intervention end bearing, respectively. The controller generates a second target path on the basis of the intervention end position and the intervention end bearing.
patents
