Abstract: A work vehicle to travel along a travel route includes a vehicle body, an inclination sensor, a calculator, an information generator, and a recorder. The inclination sensor is provided on the vehicle body to detect a vehicle body inclination angle with respect to a horizontal line. The calculator is to calculate a position of the work vehicle in a work field based on positioning data. The information generator is to output travel limit information at an inclination position on the travel route where the vehicle body inclination angle detected by the inclination sensor exceeds a threshold angle. The recorder is to record, as an inclined area, an area around the inclination position which is calculated based on the positioning data.

Abstract: A work vehicle includes a laser radar, an ultrasonic sensor, and circuitry. The laser radar is configured to emit a radar signal to detect an obstruction. The ultrasonic sensor is configured to emit an ultrasonic signal to detect the obstruction. The circuitry is configured to determine whether an environment interferes with the laser radar in detecting the obstruction, and to change a vehicle speed of the work vehicle from a first vehicle speed to a second vehicle speed lower than the first vehicle speed if the environment is determined to interfere with the laser radar. The work vehicle which travels at the first vehicle speed is to stop without hitting the obstruction when the laser radar detects the obstruction. The work vehicle which travels at the second vehicle speed is to stop without hitting the obstruction when the ultrasonic sensor detects the obstruction.

Abstract: A work vehicle includes a monitor, a memory, and circuitry. The memory is to store a travel route and work action information based on which the work vehicle is to execute at least one work action while the work vehicle travels based on the travel route. The circuitry is configured to receive an additional travel route and additional work action information based on which another work vehicle is to execute at least one additional work action while the another work vehicle travels based on the additional travel route. The circuitry is configured to generate additional screen data to chronologically display the at least one additional work action in the monitor.

Abstract: A work vehicle includes a memory and circuitry. The memory is to store a travel route and work action information based on which the work vehicle is to execute at least one work action while the work vehicle travels based on the travel route. The circuitry is configured to calculate a position of the work vehicle based on positioning data transmitted from a satellite positioning module. The circuitry is configured to control the work vehicle to execute the at least one work action based on the work action information in accordance with the position of the work vehicle while the work vehicle travels based on the travel route stored in the memory. The circuitry is configured to generate screen data to chronologically display the at least one work action in a monitor.

Abstract: A work vehicle includes a vehicle body, cameras, circuitry, and a display. The vehicle body has a peripheral area surrounding the vehicle body and a work equipment attachable to the vehicle body. The peripheral area is divided to allocated areas. The cameras are provided on the vehicle body to capture images of the allocated areas, respectively. The circuitry is configured to convert the images captured by the cameras to partial overhead images via view-point transformation, respectively. The circuitry is configured to composite the partial overhead images based on an image composition pattern that is changeable to produce a peripheral overhead image of the peripheral area. The display is to display the peripheral overhead image.

Abstract: To easily perform setting (connection and non-connection) of a termination resistor. An electronic device configured to be connected to an in-vehicle network of a working machine and to work for the working machine, includes: a termination resistor configured to be connected to the in-vehicle network; a switch part configured to be switched between a connection state where the termination resistor is connected to the in-vehicle network and a non-connection state where the termination resistor is not connected to the in-vehicle network; and a control part configured to control an switching operation of the switch part.

Abstract: Resource consumption of a work vehicle in a specified work site is estimated more appropriately and a resource replenishment timing is calculated appropriately.

Abstract: A work vehicle includes an automatic running control unit 51 that executes automatic running based on an own vehicle position and a target running path; a manual running control unit 52 that executes manual running based on an operation signal from a manual running operation unit 9 that is manually operated; a first control unit 61 that executes a change from manual running to automatic running, a manual stoppage of the vehicle being a condition for the change; a second control unit 62 that executes a forced stoppage of the vehicle when changing from automatic running to manual running; and a third control unit 63 that executes a forced stoppage of the vehicle by temporarily suspending automatic running in response to a suspend instruction from the manual running operation unit 9, and resumes automatic running in response to a resume instruction from the manual running operation unit 9.

Abstract: A transmission switching arrangement for a work vehicle includes a forward-reverse switching device having a plurality of hydraulic clutches for switching over a transmission state of a power transmission line including mechanical stepless speed change device, a electronic control unit for controlling operations of the forward-reverse switching device and the mechanical stepless speed change device, a switchover switch for commanding switchover of the transmission state by the forward-reverse switching device, and sensors for detecting a rotational speed of the power transmission line. Upon receipt of a command for effecting the switchover of the transmission state, the electronic control unit compares an output from the sensors with a set speed for transmission state switchover.

Abstract: A controller for a work machine includes a steering control circuit, a memory, and a speed control circuit. The steering control circuit is configured to control a steering of the work machine to change a steering angle based on a travel route. The memory is to store a threshold angle. The speed control circuit is configured to control a speed of the work machine if the steering angle is equal to or larger than the threshold angle and if the steering control circuit does not control the steering.

Abstract: A work vehicle includes travelling work state detection sensors to detect a travelling work state of the work vehicle to output detected signals indicating the traveling work state. Circuitry is configured to determine that an early abnormality occurs when the detected signals satisfy a first condition, the work vehicle being in an early stage of trouble in travelling due to the early abnormality. The circuitry is configured to determine that an actual abnormality occurs when the detected signals satisfy a second condition which has a second threshold severer than a first threshold of the first condition, the work vehicle being in trouble in travelling due to the actual abnormality. The circuitry is configured to provides notifications of the early abnormality and the actual abnormality toward an outside of the work vehicle when it is determined that the early abnormality and the actual abnormality occurs, respectively.

Abstract: A wireless management system for work vehicles includes a first communication device and a second communication device. The first communication device is configured to perform wireless communication in frequency bands to control the work vehicles. The second communication device is configured to perform the wireless communication with the first communication device. The first communication device and the second communication device are configured to select a frequency band from the frequency bands based on wireless transmission data in order to perform the wireless communication for the wireless transmission data in the frequency band.

Abstract: An autonomous travelling work vehicle includes at least one obstruction sensor and circuitry. The at least one obstruction sensor is to detect an obstruction in a travel route along which the autonomous travelling work vehicle is configured to travel. The circuitry is configured to determine whether the at least one obstruction sensor operates under a proper operation environment and to determine whether a malfunction occurs in the at least one obstruction sensor if the at least one obstruction sensor is determined to operate under the proper operation environment.

Abstract: A work vehicle includes a vehicle body, at least one obstruction sensor, at least one state sensor, and circuitry. A work device is attachable to the vehicle body. The at least one obstruction sensor is provided on the vehicle body to detect an obstruction to the work vehicle. The at least one state sensor is provided on at least one of the vehicle body and the work device to detect at least one state of the vehicle body and the work device. The circuitry is configured to determine an obstruction detection area based on the at least one state detected by the at least one state sensor, and to determine whether the obstruction exists within the obstruction detection area based on a sensor signal from the at least one obstruction sensor.

Abstract: A work vehicle includes a vehicle body, cameras, circuitry, and a display. The vehicle body has a peripheral area surrounding the vehicle body and a work equipment attachable to the vehicle body. The peripheral area is divided to allocated areas. The cameras are provided on the vehicle body to capture images of the allocated areas, respectively. The circuitry is configured to convert the images captured by the cameras to partial overhead images via view-point transformation, respectively. The circuitry is configured to composite the partial overhead images based on an image composition pattern that is changeable to produce a peripheral overhead image of the peripheral area. The display is to display the peripheral overhead image.

Abstract: A work vehicle includes a memory and circuitry. The memory is to store a travel route and work action information based on which the work vehicle is to execute at least one work action while the work vehicle travels based on the travel route. The circuitry is configured to calculate a position of the work vehicle based on positioning data transmitted from a satellite positioning module. The circuitry is configured to control the work vehicle to execute the at least one work action based on the work action information in accordance with the position of the work vehicle while the work vehicle travels based on the travel route stored in the memory. The circuitry is configured to generate screen data to chronologically display the at least one work action in a monitor.

Abstract: An automatic traveling work vehicle includes position calculation circuitry, actual work command generation circuitry, work control circuitry, virtual work command generation circuitry, and monitoring circuitry. The actual work command generation circuitry is configured to generate an actual work command in accordance with a position of the automatic traveling work vehicle. The work control circuitry is configured to control the automatic traveling work vehicle to work at the position according to the actual work command. The virtual work command generation circuitry is configured to generate a virtual work command in accordance with the position of the automatic traveling work vehicle, the automatic traveling work vehicle being not actually controlled according to the virtual work command. The monitoring circuitry is configured to determine whether an abnormality occurs in an operation of the automatic traveling work vehicle based on the actual work command and the virtual work command.

Abstract: A work vehicle to travel along a travel route includes a vehicle body, an inclination sensor, a calculator, an information generator, and a recorder. The inclination sensor is provided on the vehicle body to detect a vehicle body inclination angle with respect to a horizontal line. The calculator is to calculate a position of the work vehicle in a work field based on positioning data. The information generator is to output travel limit information at an inclination position on the travel route where the vehicle body inclination angle detected by the inclination sensor exceeds a threshold angle. The recorder is to record, as an inclined area, an area around the inclination position which is calculated based on the positioning data.

Abstract: A work vehicle includes travelling work state detection sensors to detect a travelling work state of the work vehicle to output detected signals indicating the traveling work state. Circuitry is configured to determine that an early abnormality occurs when the detected signals satisfy a first condition, the work vehicle being in an early stage of trouble in travelling due to the early abnormality. The circuitry is configured to determine that an actual abnormality occurs when the detected signals satisfy a second condition which has a second threshold severer than a first threshold of the first condition, the work vehicle being in trouble in travelling due to the actual abnormality. The circuitry is configured to provides notifications of the early abnormality and the actual abnormality toward an outside of the work vehicle when it is determined that the early abnormality and the actual abnormality occurs, respectively.

Abstract: A work vehicle includes circuitry configured to determine a focused area based on signals detected by work and travel situation detection sensors. The circuitry is configured to determine a prioritized display image among images captured by cameras, the prioritized display image including the focused area. The circuitry is configured to compose the images captured by the cameras by view-point converting the images to generate an overhead image around the vehicle body. The circuitry is configured to generate at least one monitor display image including a first display area in which the overhead image is displayed and a second display area in which the prioritized display image is displayed.