Patents by Inventor Shusaku Sugamoto

Shusaku Sugamoto 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: 20240182021
    Abstract: A control device for a vehicle configured to execute a first control for outputting a steering torque based on a predetermined first gain and a second control for outputting a steering torque based on a predetermined second gain different from the first gain, wherein during execution of the first control, a predicted start time, which is a predicted time until the start condition of the second control is satisfied, is calculated, and when the start predicted time satisfies the predetermined condition, a reduction control for bringing the output steering torque of the first control closer to 0 is executed before starting the second control.
    Type: Application
    Filed: August 9, 2023
    Publication date: June 6, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi HAMAGUCHI, Shintaro SAIGO, Shusaku SUGAMOTO
  • Publication number: 20240174290
    Abstract: A vehicle steering control device includes a control device. The control device is configured to control a steering reaction force to be applied to a steering operation performed by a driver of a driver's vehicle, acquire information on a curved road ahead of the driver's vehicle in a traveling direction, set a guide steering operation amount based on the information on the curved road, predict a time at which the driver starts an actual steering operation for driving the driver's vehicle along the curved road as a steering operation start time, and set, based on a difference between the guide steering operation amount and an actual amount of the steering operation, the steering reaction force at a time earlier by a predetermined period than the steering operation start time.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 30, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi HAMAGUCHI, Shusaku SUGAMOTO, Satoshi HANDA, Satoshi INOUE, Shintaro SAIGO
  • Publication number: 20230347970
    Abstract: A vehicle steering assist device in which the steering assist ECU calculates a target steering angle for driving a vehicle along a traveling path, and is vehicle steering assist device that a calculates a target steering guide torque for facilitating the steering angle to become a target steering angle by reducing a return torque for urging the steering wheel to a neutral position in an area where the steering angle is smaller than the target steering angle, wherein when the steering angular velocity is higher than the target steering angular velocity, the steering support ECU calculates a target steering angular velocity control torque acting in a direction opposite to a direction in which the steering angle changes, and controls the control steering torque generating device so as to generate a control steering torque including a sum of the target steering guide torque and the target steering angular velocity control torque.
    Type: Application
    Filed: February 21, 2023
    Publication date: November 2, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIK KAISHA
    Inventors: Shintaro SAIGO, Shusaku SUGAMOTO, Satoshi INOUE
  • Publication number: 20230286575
    Abstract: When it is determined that there is no possibility of a driver performing a predetermined steering operation for moving a host vehicle in a lateral direction without involving a change in a final travel direction, a vehicle control device sets a steering reaction force to be greater than a standard reaction force. When it is determined that there is a possibility thereof, the vehicle control device sets the steering reaction force to be smaller than the standard reaction force, and sets an increase rate of the steering reaction force relative to an increase in the amount of steering operation from a predetermined point in time after it is determined that there is a possibility of the driver performing the predetermined steering operation and before the amount of steering operation in the predetermined steering operation becomes largest to be higher than an increase rate before the predetermined point in time.
    Type: Application
    Filed: December 22, 2022
    Publication date: September 14, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi HANDA, Shusaku SUGAMOTO, Satoshi INOUE
  • Patent number: 11667282
    Abstract: A driving assistance system performs a driver-initiative normal driving assistance mode as a driving assistance for a vehicle. The system includes a reaction force characteristics change unit configured to change reaction force characteristics of the operation device, if it is determined that the operation amount of the driver is not included in the appropriate operation amount range in the normal driving assistance mode, an explicit risk determination unit configured to determine whether or not an explicit risk is present based on the external environment of the vehicle, and a driving assistance switching unit configured to switch a driving assistance for the vehicle from the normal driving assistance mode to a system-initiative risk avoidance assistance mode, if it is determined by the explicit risk determination unit that the explicit risk is present in the normal driving assistance mode.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: June 6, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi Inoue, Shintaro Inoue, Shusaku Sugamoto, Shuhei Manabe
  • Patent number: 11565748
    Abstract: A driving assistance apparatus predicts an appropriate operation amount which is an operation amount performed by a driver in correspondence with the external environment, and sets the appropriate operation amount range including the appropriate operation amount, an appropriate operation amount range including the appropriate operation amount, and changes the reaction force characteristics of the operation device when it is determined that the operation amount of the driver corresponding to the prediction time point of the appropriate operation amount is not included in the appropriate operation amount range.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: January 31, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shusaku Sugamoto, Terumasa Endo, Satoshi Inoue, Takeshi Hamaguchi, Shuhei Manabe
  • Publication number: 20230023426
    Abstract: A control unit configured to control a reaction force actuator that applies steering guide torque to a steering wheel calculates a target steering angle for causing a vehicle to travel along a curve, calculates target steering guide torque based on a deviation between the target steering angle and an actual steering angle, modifies the target steering guide torque such that the target steering guide torque is larger as an index value indicating at least one of the number of times or an integrated time in which a difference between a magnitude of the actual steering angle and a magnitude of the target steering angle exceeds a reference value is larger, and controls the reaction force actuator such that the steering guide torque becomes the target steering guide torque.
    Type: Application
    Filed: July 5, 2022
    Publication date: January 26, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi Hamaguchi, Shintaro Saigo, Shusaku Sugamoto
  • Publication number: 20230008425
    Abstract: A control unit that controls a reaction force actuator that applies steering guide torque to a steering wheel: calculates, based on a curvature of a curve of a travel road in front of a vehicle detected by a camera sensor, a target steering angle for causing the vehicle to travel along the curve; calculates a target steering guide torque, based on a deviation between the target steering angle that was calculated a prediction time period earlier and an actual steering angle; adjusts a target steering guide torque such that the target steering guide torque becomes smaller as a probability that a driver performs steering operation to deviate from a lane becomes higher; and controls the reaction force actuator such that the steering guide torque becomes the target steering guide torque.
    Type: Application
    Filed: June 15, 2022
    Publication date: January 12, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shusaku Sugamoto, Satoshi Inoue, Takeshi Hamaguchi, Shintaro Saigo
  • Publication number: 20220396310
    Abstract: A vehicle steering control device includes a control device. The control device is configured to control a steering reaction force to be applied to a steering operation performed by a driver of a driver's vehicle, acquire information on a curved road ahead of the driver's vehicle in a traveling direction, set a guide steering operation amount based on the information on the curved road, predict a time at which the driver starts an actual steering operation for driving the driver's vehicle along the curved road as a steering operation start time, and set, based on a difference between the guide steering operation amount and an actual amount of the steering operation, the steering reaction force at a time earlier by a predetermined period than the steering operation start time.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 15, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi HAMAGUCHI, Shusaku Sugamoto, Satoshi Handa, Satoshi Inoue, Shintaro Saigo
  • Publication number: 20210362780
    Abstract: A driving assistance apparatus predicts an appropriate operation amount which is an operation amount performed by a driver in correspondence with the external environment, and sets the appropriate operation amount range including the appropriate operation amount, an appropriate operation amount range including the appropriate operation amount, and changes the reaction force characteristics of the operation device when it is determined that the operation amount of the driver corresponding to the prediction time point of the appropriate operation amount is not included in the appropriate operation amount range.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 25, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shusaku SUGAMOTO, Terumasa ENDO, Satoshi INOUE, Takeshi HAMAGUCHI, Shuhei MANABE
  • Patent number: 11124228
    Abstract: A driving assistance apparatus predicts an appropriate operation amount which is an operation amount performed by a driver in correspondence with the external environment, and sets the appropriate operation amount range including the appropriate operation amount, an appropriate operation amount range including the appropriate operation amount, and changes the reaction force characteristics of the operation device when it is determined that the operation amount of the driver corresponding to the prediction time point of the appropriate operation amount is not included in the appropriate operation amount range.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: September 21, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shusaku Sugamoto, Terumasa Endo, Satoshi Inoue, Takeshi Hamaguchi, Shuhei Manabe
  • Publication number: 20200207341
    Abstract: A driving assistance system performs a driver-initiative normal driving assistance mode as a driving assistance for a vehicle. The system includes a reaction force characteristics change unit configured to change reaction force characteristics of the operation device, if it is determined that the operation amount of the driver is not included in the appropriate operation amount range in the normal driving assistance mode, an explicit risk determination unit configured to determine whether or not an explicit risk is present based on the external environment of the vehicle, and a driving assistance switching unit configured to switch a driving assistance for the vehicle from the normal driving assistance mode to a system-initiative risk avoidance assistance mode, if it is determined by the explicit risk determination unit that the explicit risk is present in the normal driving assistance mode.
    Type: Application
    Filed: December 16, 2019
    Publication date: July 2, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi Inoue, Shintaro Inoue, Shusaku Sugamoto, Shuhei Manabe
  • Publication number: 20190367082
    Abstract: A driving assistance apparatus predicts an appropriate operation amount which is an operation amount performed by a driver in correspondence with the external environment, and sets the appropriate operation amount range including the appropriate operation amount, an appropriate operation amount range including the appropriate operation amount, and changes the reaction force characteristics of the operation device when it is determined that the operation amount of the driver corresponding to the prediction time point of the appropriate operation amount is not included in the appropriate operation amount range.
    Type: Application
    Filed: April 29, 2019
    Publication date: December 5, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shusaku SUGAMOTO, Terumasa ENDO, Satoshi INOUE, Takeshi HAMAGUCHI, Shuhei MANABE
  • Patent number: 8683963
    Abstract: A hydraulic control device is equipped with an oil jet that injects oil to a piston, an oil gallery through which oil injected by the oil jet and oil supplied to a lubrication part of an engine pass, an oil pump that pumps oil to the oil gallery, and a switching valve that is provided on an oil jet passage connecting the oil gallery and the oil jet together and leads oil supplied from the oil gallery to either the oil jet or an oil pan disposed at an upstream side of the oil pump. An ECU controls the switching valve on the basis of an engine speed and an engine cooling water temperature.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: April 1, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hideo Kobayashi, Toshihisa Sugiyama, Kenichi Yamada, Shusaku Sugamoto, Bunki Kawano
  • Publication number: 20120132172
    Abstract: A hydraulic control device is equipped with an oil jet that injects oil to a piston, an oil gallery through which oil injected by the oil jet and oil supplied to a lubrication part of an engine pass, an oil pump that pumps oil to the oil gallery, and a switching valve that is provided on an oil jet passage connecting the oil gallery and the oil jet together and leads oil supplied from the oil gallery to either the oil jet or an oil pan disposed at an upstream side of the oil pump. An ECU controls the switching valve on the basis of an engine speed and an engine cooling water temperature.
    Type: Application
    Filed: June 8, 2009
    Publication date: May 31, 2012
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideo Kobayashi, Toshihisa Sugiyama, Kenichi Yamada, Shusaku Sugamoto, Bunki Kawano