Kubota Corporation

Kenji Tamatani

Kazuo Sakaguchi

Atsushi Shinkai

Megumi Suzukawa

Izuru Shimamoto

Takanori Morimoto

Fumiya Yoshimura

Kotaro Yamaguchi

Takafumi Morishita

Ken Sakuta

Yusuke Takahashi

Ryota Kikuchi

Yasuhisa Uoya

Yuji Okuyama

Yushi Matsuzaki

Hiroki Suga

Akisato Hori

Kazunobu Sugano

Shinkai Atsushi

An agricultural work assistance system includes a display to display a map representing an agricultural field, and a controller configured or programmed to define or function as an area setter to set a first area and a second area located inward of the first area in the map displayed by the display, and a route creator to create, in at least one of the first area or the second area, a travel route along which an agricultural machine is to travel. The route creator is configured or programmed to set at least a portion of the travel route as an automatic steering route on which the agricultural machine is to be automatically steered and a travel speed of the agricultural machine is to be changed manually.

Agricultural work assistance system, agricultural work assistance apparatus, and agricultural machine

A travel line creation system for an agricultural machine, includes a position acquirer to acquire position measurement points for the agricultural machine, a display, a first generator to associate the position measurement points with a field displayed by the display and generate creation points on the field by shifting the position measurement points inward in an agricultural field, a second generator to create a travel line including a loop which passes through the creation points and calculate each of virtual lines by connecting together adjacent ones of the creation points, and a setter to extract a pair of virtual lines adjacent to each other and extending in different directions and set, as a work point regarding a breakpoint in work performed by a working device, one of the creation points shared by the extracted pair of virtual lines.

Travel line creation system for agricultural machine

An agricultural support system includes a terminal to hail a self-driving agricultural machine to a hailing point, and a processor to generate, in an area excluding an already-worked area of the agricultural machine, a travel route for the agricultural machine to head toward the hailing point.

Agricultural support system, and device and method to generate travel route for hailed agricultural machine

A working machine includes a machine body, a lifting device to link a working device to the machine body, the lifting device being capable of moving up and down with the working device between a grounding state in which the working device is in contact with a ground and an ungrounding state in which the working device is out of contact with the ground, and an automatic travel controller to cause the machine body to perform automatic travel according to a planned travel route. The automatic travel controller includes a lifting controller to control the lifting device to move up with the working device from the grounding state to the ungrounding state, and cause the machine body to turn or travel rearward after the lifting controller controls the lifting device to move up with the working device from the grounding state to the ungrounding state.

Working machine

An agricultural machine includes a traveling vehicle body, a detector to detect objects in an area surrounding the traveling vehicle body, a detection adjuster to adjust a detection direction of the detector, a position sensor to detect a position of the traveling vehicle body, and an information acquirer to acquire information relating to an entrance/exit of an agricultural field. The detection adjuster is operable to perform a first adjustment of orienting the detection direction toward an end point of the entrance/exit when the traveling vehicle body is traveling toward the entrance/exit and a distance from the position of the traveling vehicle body to the entrance/exit included in the information is a predetermined value or less, and a second adjustment of orienting the detection direction toward the end point of the entrance/exit or a space forward of the end point in a traveling direction when the traveling vehicle body is traveling on the entrance/exit.

System to adjust object detection direction for agricultural machine

An agricultural support system includes a first communication device located in or on a tractor to transmit information, and a second communication device located in or on a transport vehicle to acquire the information transmitted from the first communication device. The transport vehicle is capable of transporting the tractor. The agricultural support system further includes a position sensor in or on the working machine to detect a position of the working machine. The first communication device is operable to transmit the position detected by the position sensor to the second communication device as the information. The second communication device is operable to receive the position transmitted from the first communication device.

Agricultural support system including transport vehicle capable of transporting agricultural machine

A working machine includes a machine body capable of traveling, a position detector to detect a position of the machine body, and a controller to control the machine body based on the position of the machine body detected by the position detector and a planned travel route. The planned travel route includes a straight section on which the machine body travels straight, and the controller includes a threshold setter to set a threshold according to work, and causes the machine body to perform a recovery movement to make a deviation between the position of the machine body detected by the position detector and the planned travel route less than the threshold when the machine body is at a start point of the straight section or is about to enter the start point of the straight section.

A travel route generation device for a field work vehicle includes a memory and circuitry. The circuitry is configured to generate, based on field data stored in the memory, a travel route. The circuitry is configured to determine a getting-off point in the travel route at which a driver gets off the field work vehicle. The circuitry is configured to determine a getting-on point in the travel route at which the driver gets on the field work vehicle. The circuitry is configured to define a first partial route in the travel route between the entrance and the getting-off point and a second partial travel route in the travel route between the getting-on point and the entrance as a manual travel route. The circuitry is configured to define a third partial travel route in the travel route between the getting-off point and the getting-on point as an automatic travel route.

Travel route generation device and method for generating travel route for field work vehicle

A work-vehicle position measurement system includes a reference station and a work vehicle. The reference station is provided at a reference position to measure a measured position of the reference position by receiving a radio wave from a satellite and to transmit reference information including the measured position. The work vehicle includes circuitry configured to obtain a calculated position of the work vehicle based on satellite information from the satellite and the reference information transmitted from the reference station, to control the work vehicle to travel along a predetermined travel route in a work field based on the calculated position of the work vehicle, and to manage map data of the work field to correspond to the reference information of the reference position.

Work-vehicle position measurement system, work vehicle, and work-vehicle position measurement method

A travel route generation device includes circuitry configured to calculate positions of a starting point, an end point, and intermediate points from a start vehicle position, an end vehicle position, and intermediate vehicle positions, respectively, based on a distance from a contour point to a reference point. The circuitry is configured to define the shape of the target work region by calculating a line connecting the starting point, the intermediate points, and the end point, the line defining the shape of the target work region. The circuitry is configured to generate a travel route along which the work vehicle is to travel in the target work region.

Travel route generation device and travel route generation method

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.

Controller for work machine, control method for work machine, and work machine

A controller for a master work vehicle, includes a wireless circuit, an acquisition circuit, a message generation circuit, and a display control circuit. The wireless circuit is to receive, from a slave work vehicle configured to travel automatically, first information indicating a state of work travel of the slave work vehicle. The master work vehicle is configured to work in cooperation with the slave work vehicle. The acquisition circuit is configured to acquire second information indicating a state of work travel of the master work vehicle. The message generation circuit is configured to generate a first message based on the first information and a second message based on the second information. The display control circuit is configured to control a display to display the first message and the second message.

Controller for master work vehicle and method for controlling master work vehicle

A work vehicle includes a display, communication circuitry, and circuitry. The display is to display information. The communication circuitry is configured to communicate with a cooperative work vehicle that is configured to work cooperatively with the work vehicle. The circuitry is configured to acquire from the cooperative work vehicle through the communication circuitry traveling work parameters manually set via operation tools provided on an operation panel in the cooperative work vehicle. The circuitry is configured to display in the display a setting confirmation screen based on the traveling work parameters acquired through the communication circuitry, the setting confirmation screen showing the operation panel in the cooperative work vehicle.

Work vehicle, control method for work vehicle, and cooperative work vehicle monitoring system

A work vehicle includes a memory, a sensor, circuitry, and a display. The memory is to store a target travel route in a work field. The sensor is to detect an actual travel track of the work vehicle to find a traveled portion of the target travel route, along which the work vehicle has traveled. The circuitry is configured to calculate an index value indicating a degree of a deviation of the actual travel track from the target travel route. The display is to display the traveled portion such that a display pattern to display the traveled portion is changed according to the index value.

Work vehicle, display method for work vehicle, and display system

A work vehicle includes a touch-panel display, at least one first physical button, and the circuitry. The touch-panel display is to display at least one first touch button, at least one first function, and work information. The at least one function is displayed in the at least one first touch button to which the at least one first function is assigned. The work information includes a state of work which the work vehicle performs. The at least one first physical button is provided outside the touch-panel display. The at least one first function is assigned to the at least one first physical button. The circuitry is configured to change the at least one first function assigned to the at least one first touch button and the at least one first physical button in accordance with the work information.

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Amagasaki, Japan

Kenji Tamatani