Patents by Inventor Katsuhiko Hirayama

Katsuhiko Hirayama 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: 20240005790
    Abstract: A control signal related to a road segment is received by a processor of a vehicle from a remote server. Using at least a portion of the control signal, a cruise control parameter for controlling the vehicle is obtained. Responsive to determining that a cruise control module of the vehicle is enabled, the cruise control module is configured to use the cruise control parameter. The cruise control module operates to maintain the cruise control parameter for the vehicle.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 4, 2024
    Inventors: Liam Pedersen, Fang-Chieh Chou, Viju James, Najamuddin Mirza Baig, Katsuhiko Hirayama, Abdul Rahman Kreidieh
  • Publication number: 20180033272
    Abstract: To achieve an object of reducing a burden of running costs such as communication cost and management cost for recorded data of a monitoring site as much as possible, according to an embodiment, there is provided a monitoring system including: an imaging apparatus configured to acquire the recorded data of the monitoring site; an information processing apparatus configured to control recording of the recorded data; and an external storage apparatus configured to store the recorded data. The imaging apparatus transmits verification data to the information processing apparatus, the verification data being obtained by extracting, out of the recorded data, the profile, the evaluation value, the value detected by the first sensor, and the value detected by the second sensor. The information processing apparatus transmits, to the imaging apparatus, an instruction to transmit the recorded data based on the profile when an abnormality in the monitoring site is detected.
    Type: Application
    Filed: February 4, 2016
    Publication date: February 1, 2018
    Applicants: Mitsui Fudosan Co., Ltd, CREW SYSTEMS, INC.
    Inventor: Katsuhiko HIRAYAMA
  • Patent number: 9452653
    Abstract: A vehicle controlling apparatus includes: a vertical acceleration sensor configured to detect a vertical acceleration of a sprung mass; a power-source attitude controller configured to compute a power-source attitude control amount for a driving force outputted from a power source, the control amount making the acceleration detected by the vertical acceleration sensor an appropriate acceleration for attaining a target sprung-mass state, and to control the power source based on the power-source attitude control amount; a stroke sensor configured to detect a stroke speed of a shock absorber; and a friction-brake attitude controller configured to compute a brake attitude control amount for a braking force outputted from a friction brake, the control amount making the stroke speed detected by the stroke sensor an appropriate stroke speed for attaining a target sprung-mass state, and to control the friction brake based on the brake attitude control amount.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 27, 2016
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9428184
    Abstract: A vehicle control device includes a friction brake orientation control device, a damping force control device, a state quantity detection device, and an orientation control device. The damping force control device calculates a brake orientation control amount for a friction brake to change the orientation of a vehicle body to a target orientation. The damping force control device calculates a shock absorber orientation control amount for a variable-damping-force shock absorber to change the orientation of the vehicle body to the target orientation. The state quantity detection device detects a state quantity indicating vehicle body orientation. The orientation control device controls vehicle body orientation when the value of the detected state quantity is less than a predetermined value, and controls vehicle body orientation via the friction brake orientation control device when the value of the detected state quantity is equal to or greater than the predetermined value.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: August 30, 2016
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9415659
    Abstract: A vehicle control device includes a variable-damping-force shock absorber, a sprung mass vibration damping control, an unsprung mass vibration damping control device, and a damping force control device configured to calculate a damping force control amount on the basis of a sprung-mass vibration damping control amount when the sprung-mass vibration damping amount is greater than an unsprung-mass vibration damping control amount, calculating a damping force control amount on the basis of the unsprung-mass vibration damping amount so as to maintain the damping force distribution factor when the sprung-mass vibration damping amount is equal to or less than the unsprung-mass vibration damping amount, and controlling the damping force of the variable-damping-force shock absorber.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: August 16, 2016
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9415657
    Abstract: A vehicle control device includes a motive power source orientation control device, a friction brake orientation control device, a damping force control device, and an orientation control device. The orientation control device controls vehicle body orientation via the motive power source orientation control device when the absolute value of the amplitude of a detected state quantity is less than a first predetermined value, via the damping force control device in addition to the motive power source orientation control device when the absolute value of the amplitude is equal to or greater than the first predetermined value and less than a second predetermined value greater than the first predetermined value, and via the friction brake orientation control device in addition to the motive power source orientation control device and the damping force control device when the absolute value of the amplitude is equal to or greater than the second predetermined value.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: August 16, 2016
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9327574
    Abstract: A vehicle control device includes a variable-damping-force shock absorber, a sprung vibration damping control device, an unsprung vibration damping control device, a driving state-determining device, a damping force distribution factor-calculating device, and a damping force control device that, when the driving state-determining device determines that the vehicle is traveling in a straight line, controls the damping force of the variable-damping-force shock absorber on the basis of a greater of an unsprung vibration damping control amount and a sprung vibration damping control amount, and that, when the driving state-determining device determines that the vehicle is turning, calculates the damping force control amount on the basis of an unsprung vibration damping control amount so as to maintain the damping force distribution factor, and controls the damping force of the variable-damping-force shock absorber on the basis of a greater of a calculated damping force control amount and the sprung vibration dampi
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: May 3, 2016
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9238462
    Abstract: The present invention is provided with: a traveling state detection means that detects the traveling state of a vehicle; a target attitude control amount computation means that computes the target attitude control amount of the vehicle on the basis of the traveling state; a attitude control amount computation means that computes the attitude control amount controlled by an actuator other than a shock absorber on the basis of the target attitude control amount; and an damping force control means that controls the damping force of the shock absorber on the basis of the target attitude control amount and the attitude control amount.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: January 19, 2016
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9211873
    Abstract: A vehicle control device includes a state quantity detection device and a friction brake orientation control device. The state quantity detection device is configured to detect a state quantity indicating a vehicle body orientation. The friction brake orientation control device is configured to minimize pitching motion in the vehicle body orientation by applying braking torque from a friction brake at least to a front wheel, and minimize bouncing motion in the vehicle body orientation by applying braking torque from the friction brake to four wheels. The friction brake orientation control device is configured to prioritize minimizing the pitching motion over minimizing the bouncing motion.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: December 15, 2015
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9187080
    Abstract: A control apparatus for a vehicle is configured to detect an abnormality of shock absorbers. When an abnormality detection means has detected an abnormality, braking/driving force posture control amount computation means computes an amount of braking/driving force posture control controlled by means of braking/driving force of the vehicle on the basis of target posture control amount.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: November 17, 2015
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9150074
    Abstract: A control apparatus for a vehicle according to the present invention is configured to control a friction brake by calculating a brake attitude control amount outputted from the friction brake such that the acceleration detected by the vertical acceleration sensor becomes an acceleration corresponding to a target sprung state, and to control a damping force variable shock absorber by calculating a damping force control amount of the damping force variable shock absorber such that the stroke speed detected by the stroke sensor becomes a stroke speed corresponding to the target sprung state and/or a target unsprung state.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: October 6, 2015
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9114683
    Abstract: A power source attitude control is performed to suppress changes in the sprung mass behavior of a vehicle, and damping force control for damping force variable shock absorbers is performed to suppress changes in the sprung mass behavior. When the stroke speed is low, the saturation degree of the damping force variable shock absorbers is set smaller than the saturation degree when the stroke speed is high.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: August 25, 2015
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9079579
    Abstract: A control apparatus for a vehicle is provided with a plurality of actuators which perform sprung vibration suppression control, a vertical acceleration sensor configured to detect sprung vertical acceleration, and a plurality of actuator attitude control units which control the respective actuators such that the vertical acceleration detected by the vertical acceleration sensor becomes vertical acceleration corresponding to a target sprung state.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: July 14, 2015
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9073398
    Abstract: A vehicle control device includes a variable-damping-force shock absorber, a front wheel speed sensor, a rear wheel speed estimation device, a damping force control amount calculation device configured to calculate a damping force control amount for the variable-damping-force shock absorber according to frequency scalar quantities, when the front wheel speed detected by the front wheel speed sensors and the size of an amplitude of a frequency of the rear wheel speed estimated by the rear wheel speed estimation device are frequency scalar quantities, and a damping force control device configured to control the damping force of the variable-damping-force shock absorber on the basis of the damping force control amount calculated by the damping force control amount calculation device, the rear wheel speed estimation device prohibiting the estimation of the real wheel speed when a vehicle speed is equal to or greater than a high vehicle speed threshold value.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: July 7, 2015
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Patent number: 9061561
    Abstract: A driving state estimator unit configured to detect a state quantity indicating vehicle body orientation, and a control unit configured to control vehicle body orientation using drive force from an engine when the absolute value of the amplitude of the detected state quantity is less than a second predetermined value, and using force generated by a second orientation control device instead of the drive force from the engine when the absolute value of the amplitude is equal to or greater than the second predetermined value.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: June 23, 2015
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Publication number: 20150046035
    Abstract: A power source attitude control is performed to suppress changes in the sprung mass behavior of a vehicle, and damping force control for damping force variable shock absorbers is performed to suppress changes in the sprung mass behavior. When the stroke speed is low, the saturation degree of the damping force variable shock absorbers is set smaller than the saturation degree when the stroke speed is high.
    Type: Application
    Filed: November 2, 2012
    Publication date: February 12, 2015
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Publication number: 20150032332
    Abstract: The present invention is provided with: a traveling state detection means that detects the traveling state of a vehicle; a target attitude control amount computation means that computes the target attitude control amount of the vehicle on the basis of the traveling state; a attitude control amount computation means that computes the attitude control amount controlled by an actuator other than a shock absorber on the basis of the target attitude control amount; and an damping force control means that controls the damping force of the shock absorber on the basis of the target attitude control amount and the attitude control amount.
    Type: Application
    Filed: December 28, 2012
    Publication date: January 29, 2015
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Publication number: 20150006031
    Abstract: A vehicle control device includes a friction brake orientation control device, a damping force control device, a state quantity detection device, and an orientation control device. The damping force control device calculates a brake orientation control amount for a friction brake to change the orientation of a vehicle body to a target orientation. The damping force control device calculates a shock absorber orientation control amount for a variable-damping-force shock absorber to change the orientation of the vehicle body to the target orientation. The state quantity detection device detects a state quantity indicating vehicle body orientation. The orientation control device controls vehicle body orientation when the value of the detected state quantity is less than a predetermined value, and controls vehicle body orientation via the friction brake orientation control device when the value of the detected state quantity is equal to or greater than the predetermined value.
    Type: Application
    Filed: December 27, 2012
    Publication date: January 1, 2015
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Publication number: 20140379215
    Abstract: A vehicle control device includes a variable-damping-force shock absorber, a sprung mass vibration damping control, an unsprung mass vibration damping control device, and a damping force control device configured to calculate a damping force control amount on the basis of a sprung-mass vibration damping control amount when the sprung-mass vibration damping amount is greater than an unsprung-mass vibration damping control amount, calculating a damping force control amount on the basis of the unsprung-mass vibration damping amount so as to maintain the damping force distribution factor when the sprung-mass vibration damping amount is equal to or less than the unsprung-mass vibration damping amount, and controlling the damping force of the variable-damping-force shock absorber.
    Type: Application
    Filed: January 22, 2013
    Publication date: December 25, 2014
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama
  • Publication number: 20140358370
    Abstract: A driving state estimator unit configured to detect a state quantity indicating vehicle body orientation, and a control unit configured to control vehicle body orientation using drive force from an engine when the absolute value of the amplitude of the detected state quantity is less than a second predetermined value, and using force generated by a second orientation control device instead of the drive force from the engine when the absolute value of the amplitude is equal to or greater than the second predetermined value.
    Type: Application
    Filed: January 22, 2013
    Publication date: December 4, 2014
    Inventors: Hironobu Kikuchi, Katsuhiko Hirayama