Patents by Inventor Tomokazu HONDA
Tomokazu HONDA 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).
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Patent number: 10220836Abstract: A drive control device of the vehicle controls a left and right driving force difference by a driving device based on a rotational velocity of a rotary electric machine, which imparts a steering force or a steering additive force to a steering system of the vehicle. Furthermore, at a time that there is a deviation or a likelihood of a deviation of the vehicle with respect to a travel path or when an avoidance assistance unit produces a notifying operation or imparts a deviation avoidance assistance steeling force or a deviation avoidance assistance steering additive force, the drive control device prohibits or suppresses control of the left and right driving force difference based on the rotational velocity.Type: GrantFiled: February 19, 2016Date of Patent: March 5, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Tomokazu Honda, Hitoshi Sasaki
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Patent number: 10179507Abstract: Provided is a vehicle in which overdischarge of a battery is protected and turning drivability of the vehicle is improved when there is even a little remaining capacity. An ECU controls the left motive force and the right motive force of the left electric motor and the right electric motor so as not to exceed a differential torque upper limit value, which is the maximum value of the difference between the left motive force and the right motive force established on the basis of the temperature or discharge limit power of the battery. When the battery is at a low temperature or the like and the discharge power is limited, the difference between the left motive force and the right motive force is controlled on the basis of the discharge limit power, whereby the turnability of the vehicle is improved while preventing the risk of damage to the battery.Type: GrantFiled: December 25, 2014Date of Patent: January 15, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Yoshito Terayama, Masaki Negoro, Tomokazu Honda, Akiyoshi Kobayashi, Shintaro Yoshimi, Yoshifumi Nakamura
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Patent number: 10065527Abstract: In a control system and control method for a driving device, opposite distribution control is performed (e.g., steps 1, 4 to 7), whereby a left driving force and a right driving force are controlled such that a yaw moment in a direction opposite to a turning direction of the vehicle acts on the vehicle, whereby a left-right driving force difference is generated which is a difference between the left driving force and the right driving force. During performance of the opposite distribution control, when deceleration of the vehicle is obtained, limit control is performed (e.g., step 8), whereby the left driving force and the right driving force are controlled such that a change in the left-right driving force difference becomes smaller than a change in a left-right driving force sum, which is the sum of the left driving force and the right driving force.Type: GrantFiled: January 13, 2016Date of Patent: September 4, 2018Assignee: HONDA MOTOR CO., LTD.Inventor: Tomokazu Honda
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Patent number: 9725014Abstract: Provided is a vehicle that can improve vehicle posture control or operation performance during accelerating turn. A vehicle is provided with: a left drive wheel and a right drive wheel connected to a motor; a required drive power amount input device for inputting a required drive power amount; and a required turn amount input device for inputting a required turn amount. The vehicle further includes a turn control device that adjusts a power difference between the left drive wheel and the right drive wheel on the basis of a time derivative value of the required drive power amount in addition to the required turn amount.Type: GrantFiled: July 30, 2014Date of Patent: August 8, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Tomokazu Honda, Akiyoshi Kobayashi, Shintaro Yoshimi
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Patent number: 9694819Abstract: A vehicle is equipped with a rotational velocity acquisition unit that acquires a rotational velocity of a rotary electric machine that imparts a steering force or a steering additive force to a steering system. A drive control device controls a left and right driving force difference by a driving device on the basis of a rotational velocity of the rotary electric machine.Type: GrantFiled: February 19, 2016Date of Patent: July 4, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Tomokazu Honda, Hitoshi Sasaki
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Patent number: 9650045Abstract: A vehicle is equipped with a rotational velocity acquisition unit that acquires a rotational velocity of a rotary electric machine that imparts a steering force or a steering additive force to a steering system. A drive control device controls a left and right driving force difference by a driving device on the basis of a rotational velocity of the rotary electric machine.Type: GrantFiled: February 19, 2016Date of Patent: May 16, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Tomokazu Honda, Hitoshi Sasaki
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Publication number: 20170008422Abstract: In a control system and control method for a driving device, opposite distribution control is performed (e.g., steps 1, 4 to 7), whereby a left driving force and a right driving force are controlled such that a yaw moment in a direction opposite to a turning direction of the vehicle acts on the vehicle, whereby a left-right driving force difference is generated which is a difference between the left driving force and the right driving force. During performance of the opposite distribution control, when deceleration of the vehicle is obtained, limit control is performed (e.g., step 8), whereby the left driving force and the right driving force are controlled such that a change in the left-right driving force difference becomes smaller than a change in a left-right driving force sum, which is the sum of the left driving force and the right driving force.Type: ApplicationFiled: January 13, 2016Publication date: January 12, 2017Applicant: HONDA MOTOR CO., LTD.Inventor: Tomokazu Honda
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Publication number: 20160368496Abstract: A vehicle is equipped with a rotational velocity acquisition unit that acquires a rotational velocity of a rotary electric machine that imparts a steering force or a steering additive force to a steering system. A drive control device controls a left and right driving force difference by a driving device on the basis of a rotational velocity of the rotary electric machine.Type: ApplicationFiled: February 19, 2016Publication date: December 22, 2016Applicant: HONDA MOTOR CO., LTD.Inventors: Tomokazu Honda, Hitoshi Sasaki
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Publication number: 20160362102Abstract: A drive control device of the vehicle controls a left and right driving force difference by a driving device based on a rotational velocity of a rotary electric machine, which imparts a steering force or a steering additive force to a steering system of the vehicle. Furthermore, at a time that there is a deviation or a likelihood of a deviation of the vehicle with respect to a travel path or when an avoidance assistance unit produces a notifying operation or imparts a deviation avoidance assistance steeling force or a deviation avoidance assistance steering additive force, the drive control device prohibits or suppresses control of the left and right driving force difference based on the rotational velocity.Type: ApplicationFiled: February 19, 2016Publication date: December 15, 2016Applicant: HONDA MOTOR CO., LTD.Inventors: Tomokazu Honda, Hitoshi Sasaki
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Publication number: 20160318385Abstract: Provided is a vehicle in which overdischarge of a battery is protected and turning drivability of the vehicle is improved when there is even a little remaining capacity. An ECU controls the left motive force and the right motive force of the left electric motor and the right electric motor so as not to exceed a differential torque upper limit value, which is the maximum value of the difference between the left motive force and the right motive force established on the basis of the temperature or discharge limit power of the battery. When the battery is at a low temperature or the like and the discharge power is limited, the difference between the left motive force and the right motive force is controlled on the basis of the discharge limit power, whereby the turnability of the vehicle is improved while preventing the risk of damage to the battery.Type: ApplicationFiled: December 25, 2014Publication date: November 3, 2016Applicant: HONDA MOTOR CO., LTD.Inventors: Yoshito Terayama, Masaki Negoro, Tomokazu Honda, Akiyoshi Kobayashi, Shintaro Yoshimi, Yoshifumi Nakamura
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Publication number: 20160006370Abstract: A power conversion apparatus includes: a first conductive member; a horizontal switching element disposed on the first conductive member; an insulating member disposed on the first conductive member; and a control switching element disposed on the first conductive member via the insulating member, the control switching element being coupled to the horizontal switching element and configured to control driving of the horizontal switching element.Type: ApplicationFiled: September 17, 2015Publication date: January 7, 2016Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tomokazu HONDA, Akira SASAKI, Kiyonori KOGUMA, Yoshifumi YAMAGUCHI, Yu UJITA
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Publication number: 20160007500Abstract: A power converter apparatus is provided, which includes a horizontal switching device, a control switching device connected with the horizontal switching device and for controlling drive of the horizontal switching device, and a heat insulating member disposed between the horizontal switching device and the control switching device and for reducing that heat generated from the horizontal switching device is transferred to the control switching device.Type: ApplicationFiled: September 15, 2015Publication date: January 7, 2016Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Kiyonori KOGUMA, Yu UJITA, Yoshifumi YAMAGUCHI, Tomokazu HONDA, Akira SASAKI
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Publication number: 20150283918Abstract: Provided is a vehicle that can improve vehicle posture control or operation performance during accelerating turn. A vehicle is provided with: a left drive wheel and a right drive wheel connected to a motor; a required drive power amount input device for inputting a required drive power amount; and a required turn amount input device for inputting a required turn amount. The vehicle further includes a turn control device that adjusts a power difference between the left drive wheel and the right drive wheel on the basis of a time derivative value of the required drive power amount in addition to the required turn amount.Type: ApplicationFiled: July 30, 2014Publication date: October 8, 2015Applicant: HONDA MOTOR CO., LTD.Inventors: Tomokazu Honda, Akiyoshi Kobayashi, Shintaro Yoshimi
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Publication number: 20150171764Abstract: A power conversion apparatus includes: a horizontal switching element with a front face and a rear face, the horizontal switching element including a first electrode and a second electrode on a front face side; a snubber capacitor; and a connecting conductor arranged to be interposed between the horizontal switching element and the snubber capacitor and electrically connecting the horizontal switching element to the snubber capacitor.Type: ApplicationFiled: February 27, 2015Publication date: June 18, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yu UJITA, Tomokazu HONDA, Akira SASAKI, Yoshifumi YAMAGUCHI, Kiyonori KOGUMA, Kunihiro TAKENAKA
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Publication number: 20150078044Abstract: A power conversion apparatus includes: a horizontal switching element having a front surface and a rear surface, including a first electrode and a second electrode on the front surface, and having a first current path between the first electrode and the second electrode; a snubber capacitor electrically connected to the horizontal switching element; a first substrate on which the snubber capacitor is mounted, the first substrate being connected to the first electrode and the second electrode on the front surface of the horizontal switching element; and a second current path through which an electric current flows in a direction approximately opposite to the first current path that is a path allowing an electric current to flow between the first electrode and the second electrode of the horizontal switching element, the second current path being provided in the first substrate and disposed at a position opposite to the first current path.Type: ApplicationFiled: September 12, 2014Publication date: March 19, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yu UJITA, Kiyonori KOGUMA, Yoshifumi YAMAGUCHI, Tomokazu HONDA
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Publication number: 20140334203Abstract: A power converter includes a switch element, a snubber capacitor, and a connection conductor configured to connect the switch element and the snubber capacitor to each other, and at least a part of the connection conductor is arranged to be held between the snubber capacitor and an electrode of the switch element.Type: ApplicationFiled: July 22, 2014Publication date: November 13, 2014Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tomokazu HONDA, Akira SASAKI, Kiyonori KOGUMA, Kunihiro TAKENAKA, Yu UJITA, Yuji NODA