Control apparatus of work vehicle, work vehicle, and control method of work vehicle

    公开(公告)号:US11327505B2

    公开(公告)日:2022-05-10

    申请号:US16720246

    申请日:2019-12-19

    申请人: Komatsu Ltd.

    IPC分类号: G05D1/02 B60P1/16

    摘要: A control apparatus of a work vehicle includes a course data acquisition unit acquiring course data indicating a traveling condition of a work vehicle that includes a travel route, a travel range data acquisition unit acquiring travel range data indicating a travel range of the work vehicle that is defined with a preset travel width based on the travel route, a detection data acquisition unit acquiring detection data of a detection device that has detected a travel direction of the work vehicle, a prediction unit predicting, based on the detection data, a prescribed position distant from a current position of the work vehicle traveling according to the course data, a determination unit determining whether the prescribed position exists within the travel range, and a drive control unit stopping traveling of the work vehicle when it is determined that the prescribed position does not exist within the travel range.

    CONTROL APPARATUS OF WORK VEHICLE, WORK VEHICLE, AND CONTROL METHOD OF WORK VEHICLE

    公开(公告)号:US20180246523A1

    公开(公告)日:2018-08-30

    申请号:US15577498

    申请日:2017-02-28

    申请人: Komatsu Ltd.

    IPC分类号: G05D1/02 B60P1/16

    摘要: A control apparatus of a work vehicle includes a course data acquisition unit acquiring course data indicating a traveling condition of a work vehicle that includes a travel route, a travel range data acquisition unit acquiring travel range data indicating a travel range of the work vehicle that is defined with a preset travel width based on the travel route, a detection data acquisition unit acquiring detection data of a detection device that has detected a travel direction of the work vehicle, a prediction unit predicting, based on the detection data, a prescribed position distant from a current position of the work vehicle traveling according to the course data, a determination unit determining whether the prescribed position exists within the travel range, and a drive control unit stopping traveling of the work vehicle when it is determined that the prescribed position does not exist within the travel range.

    UNMANNED VEHICLE CONTROL SYSTEM, UNMANNED VEHICLE, AND UNMANNED VEHICLE CONTROL METHOD

    公开(公告)号:US20210001847A1

    公开(公告)日:2021-01-07

    申请号:US16980532

    申请日:2019-02-20

    申请人: Komatsu Ltd.

    摘要: An unmanned vehicle control system includes: a specified command value calculation unit that calculates a specified command value for start of an unmanned vehicle; a corrected command value calculation unit that, when request data requesting a limitation of a travel speed of the unmanned vehicle is acquired, corrects the specified command value based on the request data to calculate a corrected command value; and a travel control unit that, when the request data is acquired, controls the start of the unmanned vehicle based on the corrected command value.

    Control apparatus of work vehicle, work vehicle, and control method of work vehicle

    公开(公告)号:US10551848B2

    公开(公告)日:2020-02-04

    申请号:US15577498

    申请日:2017-02-28

    申请人: Komatsu Ltd.

    IPC分类号: G05D1/02 B60P1/16

    摘要: A control apparatus of a work vehicle includes a course data acquisition unit acquiring course data indicating a traveling condition of a work vehicle that includes a travel route, a travel range data acquisition unit acquiring travel range data indicating a travel range of the work vehicle that is defined with a preset travel width based on the travel route, a detection data acquisition unit acquiring detection data of a detection device that has detected a travel direction of the work vehicle, a prediction unit predicting, based on the detection data, a prescribed position distant from a current position of the work vehicle traveling according to the course data, a determination unit determining whether the prescribed position exists within the travel range, and a drive control unit stopping traveling of the work vehicle when it is determined that the prescribed position does not exist within the travel range.

    Unmanned vehicle control system, unmanned vehicle, and unmanned vehicle control method

    公开(公告)号:US11433887B2

    公开(公告)日:2022-09-06

    申请号:US16980532

    申请日:2019-02-20

    申请人: Komatsu Ltd.

    摘要: An unmanned vehicle control system includes: a specified command value calculation unit that calculates a specified command value for start of an unmanned vehicle; a corrected command value calculation unit that, when request data requesting a limitation of a travel speed of the unmanned vehicle is acquired, corrects the specified command value based on the request data to calculate a corrected command value; and a travel control unit that, when the request data is acquired, controls the start of the unmanned vehicle based on the corrected command value.

    UNMANNED VEHICLE CONTROL SYSTEM, UNMANNED VEHICLE, AND UNMANNED VEHICLE CONTROL METHOD

    公开(公告)号:US20210009155A1

    公开(公告)日:2021-01-14

    申请号:US16980646

    申请日:2019-02-20

    申请人: Komatsu Ltd.

    IPC分类号: B60W60/00 B60W30/14 G01C21/34

    摘要: An unmanned vehicle control system includes: a travel condition data acquisition unit that acquires travel condition data specifying a travel condition of an unmanned vehicle, the travel condition data including a target travel speed and a target azimuth of the unmanned vehicle at each of a plurality of travel points; a travel condition change unit that outputs a change command to change the travel condition specified by the travel condition data based on a difference in the target azimuth among the plurality of travel points; and a travel control unit that outputs a control command to control traveling of the unmanned vehicle based on the change command.

    UNMANNED VEHICLE CONTROL SYSTEM AND UNMANNED VEHICLE CONTROL METHOD

    公开(公告)号:US20220073094A1

    公开(公告)日:2022-03-10

    申请号:US17418015

    申请日:2019-11-21

    申请人: Komatsu Ltd.

    IPC分类号: B60W60/00 B60W10/04 B60W10/20

    摘要: An unmanned vehicle control system includes: a travel command unit that outputs a travel command for controlling a travel speed of an unmanned vehicle; a steering command unit that outputs a steering command for controlling a steering device of the unmanned vehicle; a response calculation unit that calculates a steering response of the steering device based on a target value of the steering device and a detected value of the steering device detected during a travel of the unmanned vehicle; a determination unit that determines whether the steering response satisfies a restrictive condition; and a restriction command unit that outputs a restriction command for restricting the travel speed when the steering response satisfies the restrictive condition.