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公开(公告)号：US10753747B2
公开(公告)日：2020-08-25
申请号：US15629755
申请日：2017-06-22
Applicant: Kubota Corporation
Inventor： Kazuo Sakaguchi , Izuru Shimamoto , Kenji Tamatani , Megumi Suzukawa , Atsushi Shinkai
Abstract: 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.
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2.发明授权公开(公告)号：US11169279B2
公开(公告)日：2021-11-09
申请号：US15847933
申请日：2017-12-20
Applicant: Kubota Corporation
Inventor： Atsushi Shinkai , Kazuo Sakaguchi , Izuru Shimamoto , Kenji Tamatani , Megumi Suzukawa , Akisato Hori
Abstract: 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.
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3.发明授权公开(公告)号：US12213394B2
公开(公告)日：2025-02-04
申请号：US17839534
申请日：2022-06-14
Applicant: KUBOTA CORPORATION
Inventor： Kenji Tamatani , Yuji Okuyama , Kazuo Sakaguchi , Yusuke Takahashi
Abstract: 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.
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公开(公告)号：US12127493B2
公开(公告)日：2024-10-29
申请号：US17746118
申请日：2022-05-17
Applicant: KUBOTA CORPORATION
Inventor： Fumiya Yoshimura , Kotaro Yamaguchi , Kenji Tamatani , Takanori Morimoto , Ken Sakuta
CPC classification number: A01B69/004 , G05D1/0219 , B62D49/06
Abstract: 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.
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公开(公告)号：US12274190B2
公开(公告)日：2025-04-15
申请号：US17837251
申请日：2022-06-10
Applicant: KUBOTA CORPORATION
Inventor： Fumiya Yoshimura , Kotaro Yamaguchi , Kenji Tamatani , Takanori Morimoto , Ken Sakuta
IPC: A01B69/00 , A01B63/10 , A01B63/111 , A01B69/04
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US12268112B2
公开(公告)日：2025-04-08
申请号：US17839535
申请日：2022-06-14
Applicant: KUBOTA CORPORATION
Inventor： Kenji Tamatani , Yuji Okuyama , Kazuo Sakaguchi , Yusuke Takahashi
Abstract: 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.
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公开(公告)号：US10905042B2
公开(公告)日：2021-02-02
申请号：US15987905
申请日：2018-05-24
Applicant: Kubota Corporation
Inventor： Atsushi Shinkai , Megumi Suzukawa , Kenji Tamatani , Izuru Shimamoto , Takafumi Morishita , Kazuo Sakaguchi
Abstract: 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.
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公开(公告)号：US10219423B2
公开(公告)日：2019-03-05
申请号：US15629754
申请日：2017-06-22
Applicant: Kubota Corporation
Inventor： Kazuo Sakaguchi , Izuru Shimamoto , Kenji Tamatani , Megumi Suzukawa , Atsushi Shinkai
IPC: G01C22/00 , G05D1/00 , A01B69/04 , G05D1/02 , G01C21/36 , G06F7/00 , G06F17/00 , G06F19/00 , G01C21/34 , G08G1/123 , G06F3/041
Abstract: A travel route generation device includes a memory, an input interface, and circuitry. The memory is to store field data including shape information on a shape of a field in which a work vehicle is to work. A field operation parameter is input via the input interface. The field operation parameter includes headland information on a headland in the field. The circuitry is configured to generate, based on the field data and the field operation parameter, a travel route along which the work vehicle is to travel in the field. The circuitry is configured to estimate a work status of the work vehicle in the field. The circuitry is configured to display the shape of the field, the travel route, and the work status in a display.
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9.发明授权公开(公告)号：US11168992B2
公开(公告)日：2021-11-09
申请号：US15841294
申请日：2017-12-14
Applicant: Kubota Corporation
Inventor： Yasuhisa Uoya , Izuru Shimamoto , Kenji Tamatani , Megumi Suzukawa , Atsushi Shinkai , Kazuo Sakaguchi
Abstract: 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.
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公开(公告)号：US10989541B2
公开(公告)日：2021-04-27
申请号：US16395249
申请日：2019-04-26
Applicant: Kubota Corporation
Inventor： Yasuhisa Uoya , Izuru Shimamoto , Kenji Tamatani , Megumi Suzukawa , Atsushi Shinkai , Kazuo Sakaguchi
Abstract: 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.
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