Patents by Inventor Ryuu Yamamura

Ryuu Yamamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210009155
    Abstract: 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.
    Type: Application
    Filed: February 20, 2019
    Publication date: January 14, 2021
    Applicant: Komatsu Ltd.
    Inventors: Ryuu Yamamura, Akiharu Nishijima
  • Publication number: 20210001847
    Abstract: 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.
    Type: Application
    Filed: February 20, 2019
    Publication date: January 7, 2021
    Applicant: Komatsu Ltd.
    Inventors: Akinori Baba, Ryuu Yamamura
  • Publication number: 20200142427
    Abstract: 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.
    Type: Application
    Filed: December 19, 2019
    Publication date: May 7, 2020
    Inventors: Masanori Ogihara, Ryuu Yamamura
  • Publication number: 20200125108
    Abstract: A control device for an unmanned vehicle includes a temperature data acquisition unit acquiring temperature data of hydraulic oil supplied to a first hydraulic actuator actuating a steering device of the unmanned vehicle, and a command output unit outputting a change command for changing a travel parameter of the unmanned vehicle based on the temperature data.
    Type: Application
    Filed: October 31, 2018
    Publication date: April 23, 2020
    Inventors: Masanori Ogihara, Ryuu Yamamura, Akinori Baba
  • Patent number: 10551848
    Abstract: 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.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: February 4, 2020
    Assignee: KOMATSU LTD.
    Inventors: Masanori Ogihara, Ryuu Yamamura
  • Publication number: 20180246523
    Abstract: 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.
    Type: Application
    Filed: February 28, 2017
    Publication date: August 30, 2018
    Inventors: Masanori Ogihara, Ryuu Yamamura