Patents by Inventor Masayuki Sadakiyo
Masayuki Sadakiyo 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: 11214277Abstract: A control device for a vehicle capable of switching between an automated driving mode in which driving force of a vehicle having a transmission is automatically controlled and a manual driving mode in which the driving force of the vehicle is controlled on the basis of a driver's operation on the vehicle includes: an operation element to which the driver's operation is input; and a travel control unit that outputs a command value for selecting a gear range of the transmission. The travel control unit selects which of ordinary gear change control and gear change restricting control is to be performed on the basis of an operation performed on the operation element when there is an automated driving release request in which the automated driving mode is released and the automated driving mode is switched to the manual driving mode during traveling of the vehicle in the automated driving mode.Type: GrantFiled: April 22, 2019Date of Patent: January 4, 2022Assignee: Honda Motor Co., Ltd.Inventors: Takashi Adachi, Kentaro Arai, Tomoyuki Noguchi, Masayuki Sadakiyo, Hisashi Ishikawa
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Patent number: 11180136Abstract: An autonomous parking apparatus incorporated into a vehicle including an internal combustion engine, a torque converter, a transmission, a detector detecting a creep torque acting on an axle, and a microprocessor. The microprocessor is configured to perform instructing a self-parking of the vehicle, determining whether it is necessary to perform a creep torque reduction control based on a creep torque detected when the self-parking is instructed, and controlling the transmission in accordance with a determination result in the determining. When it is determined that it is necessary to perform the creep torque reduction control, the microprocessor is configured to control the transmission so as to increase engaging force of engagement elements of the transmission or change speed stage of the transmission to high speed side than when it is determined that it is unnecessary to perform the creep torque reduction control.Type: GrantFiled: March 20, 2019Date of Patent: November 23, 2021Assignee: Honda Motor Co., Ltd.Inventors: Masayuki Sadakiyo, Hisashi Ishikawa, Tomoyuki Noguchi, Takashi Adachi
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Patent number: 11077751Abstract: A weight ratio of each driving wheel of the vehicle at the time of automatic driving is calculated, a front and rear distribution ratio of a driving force of the vehicle is calculated from the weight ratio, a rear wheel plan driving force is calculated from the front and rear distribution ratio and an action plan required driving force, and a temperature of a rear wheel motor is estimated. Then, when the estimated attainment temperature of the rear wheel motor is higher than the upper limit value of the temperature, the front and rear distribution ratio is changed within a range in which excessive slip does not occur at the front wheels, the rear wheel plan driving force is recalculated, and the automatic driving of the vehicle is implemented taking the rear wheel plan driving force as a target driving force.Type: GrantFiled: September 11, 2019Date of Patent: August 3, 2021Assignee: Honda Motor Co., Ltd.Inventors: Masayuki Sadakiyo, Akiko Nakagawara, Takuro Shimizu
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Patent number: 11014573Abstract: A vehicle control device performs a drive mode switching control including switching a drive mode, when a request for switching to a manual drive control is made during execution of an automated drive control, to one of a plurality of drive modes that allows a driving force to accord with a required driving force based on an operation of the driver of the vehicle, over a wide range.Type: GrantFiled: December 4, 2018Date of Patent: May 25, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Kentaro Arai, Masayuki Sadakiyo, Hisashi Ishikawa, Takashi Adachi, Tomoyuki Noguchi
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Patent number: 11009872Abstract: If the driver operates the operation tool while the vehicle is traveling under the automated drive control, override control is performed in which the acceleration/deceleration of the vehicle is controlled according to the operation of the operation tool, when an automated drive target gear position selected based on automatic control of the acceleration/deceleration of the vehicle equals a manual drive target gear position determined according to the operation of the operation tool by the driver.Type: GrantFiled: December 27, 2018Date of Patent: May 18, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Hisashi Ishikawa, Kentaro Arai, Masayuki Sadakiyo, Takashi Adachi, Tomoyuki Noguchi
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Patent number: 10994768Abstract: A control device for a vehicle capable of operating in an automated driving mode for automatically controlling at least the accelerating/decelerating control of the steering control and the accelerating/decelerating control of a vehicle includes: a route information acquisition unit; and an automated driving control unit that decides an action plan on a basis of map information, the action plan includes a target vehicle speed sequence that defines a target vehicle speed at the respective predetermined points at least on a road along which the vehicle will travel next, and the automated driving control unit calculates requested braking force that is braking force for decelerating the vehicle to target vehicle speed when the target vehicle speed is achieved by deceleration, calculates a predicted temperature of a brake device when the requested braking force is achieved, and decides a utilization proportion of the brake device for the requested braking force.Type: GrantFiled: April 22, 2019Date of Patent: May 4, 2021Assignee: Honda Motor Co., Ltd.Inventors: Takashi Adachi, Masayuki Sadakiyo, Tomoyuki Noguchi, Hisashi Ishikawa, Kentaro Arai
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Patent number: 10821997Abstract: A vehicle control apparatus configured to control a vehicle capable of switching between a manual drive mode for driving manually and a self-drive mode for driving autonomously. The vehicle control apparatus includes an electric control unit having a microprocessor and a memory. The microprocessor is configured to perform detecting a failure of the vehicle while traveling in the manual drive mode, and switching a drive mode from the manual drive mode to the self-drive mode when the failure is detected.Type: GrantFiled: January 18, 2019Date of Patent: November 3, 2020Assignee: Honda Motor Co., Ltd.Inventors: Hisashi Ishikawa, Masayuki Sadakiyo, Tomoyuki Noguchi, Takashi Adachi, Yusuke Yoshimura
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Patent number: 10793153Abstract: The vehicle controller performs gear position switch control in which a gear position of an automatic transmission set based on the automated drive control is changed to an upper-level gear position if the driver operates the accelerator pedal under the automated drive control.Type: GrantFiled: December 27, 2018Date of Patent: October 6, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Hisashi Ishikawa, Kentaro Arai, Masayuki Sadakiyo, Takashi Adachi, Tomoyuki Noguchi
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Patent number: 10753411Abstract: A vehicle control device includes: a unit that acquires a first transmission torque transmitted in a first state in which a control pressure is controlled to a first pressure value, and a second transmission torque transmitted in a second state in which the control pressure is controlled to a second pressure value; a control unit including a storage unit that stores control data including data indicating a relationship between a friction coefficient and a surface pressure. The control unit calculates a first friction coefficient based on the data and the first pressure value, calculates a second friction coefficient based on the data and the second pressure value, calculates an estimated value of the touch point pressure based on the first and second pressure values, the first and second transmission torques, the first and second friction coefficients to control data based on the estimated value.Type: GrantFiled: March 28, 2019Date of Patent: August 25, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Eri Kubota, Masayuki Sadakiyo
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Publication number: 20200207328Abstract: A control apparatus of a hybrid vehicle including a temperature detection part detecting a temperature of a first motor-generator, and a microprocessor. The microprocessor is configured to perform controlling an internal combustion engine, the first motor-generator and a second motor-generator so that the hybrid vehicle travels in accordance with a required driving force, outputting a request for temperature increase suppression of the first motor-generator based on the temperature of the first motor-generator, and the controlling including controlling the internal combustion engine, the first motor-generator and the second motor-generator so that power generation amount of the first motor-generator is reduced, the second motor-generator generates an electric power by a regenerative torque and a driving force of the internal combustion engine increases by an amount corresponding to the regenerative torque when the request for the temperature increase suppression is output.Type: ApplicationFiled: December 16, 2019Publication date: July 2, 2020Inventors: Takashi Adachi, Hisashi Ishikawa, Tomoyuki Noguchi, Masayuki Sadakiyo
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Patent number: 10691124Abstract: A control apparatus includes a switching control unit that switches a traveling mode of a vehicle from an automated driving mode to a manual driving mode if an automated drive canceling request to cancel the automated driving mode to switch to the manual driving mode is submitted while the vehicle is traveling in the automated driving mode. The switching control unit performs transmission gear setting control in which a transmission gear of an automatic transmission is set to a highest transmission gear among transmission gears within a range of a predetermined allowable driving force in the switching from the automated driving mode to the manual driving mode.Type: GrantFiled: February 14, 2019Date of Patent: June 23, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Masayuki Sadakiyo, Kentaro Arai, Hisashi Ishikawa, Takashi Adachi, Tomoyuki Noguchi
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Patent number: 10647330Abstract: If an automated drive release request to release the automated drive mode and switch to the manual drive mode is made while the vehicle is travelling in an automated drive mode, a traveling control unit performs control that gradually shifts a vehicle driving force from the vehicle driving force in the automated mode to the vehicle driving force requested by the driver in the manual drive mode.Type: GrantFiled: November 21, 2018Date of Patent: May 12, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Kentaro Arai, Masayuki Sadakiyo, Hisashi Ishikawa, Takashi Adachi, Tomoyuki Noguchi
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Publication number: 20200086741Abstract: A weight ratio of each driving wheel of the vehicle at the time of automatic driving is calculated, a front and rear distribution ratio of a driving force of the vehicle is calculated from the weight ratio, a rear wheel plan driving force is calculated from the front and rear distribution ratio and an action plan required driving force, and a temperature of a rear wheel motor is estimated. Then, when the estimated attainment temperature of the rear wheel motor is higher than the upper limit value of the temperature, the front and rear distribution ratio is changed within a range in which excessive slip does not occur at the front wheels, the rear wheel plan driving force is recalculated, and the automatic driving of the vehicle is implemented taking the rear wheel plan driving force as a target driving force.Type: ApplicationFiled: September 11, 2019Publication date: March 19, 2020Applicant: Honda Motor Co.,Ltd.Inventors: Masayuki SADAKIYO, Akiko NAKAGAWARA, Takuro SHIMIZU
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Publication number: 20200089225Abstract: The control method of a vehicle is a method to control the vehicle at the time of switching from the automatic driving to the manual driving, changes driving force distribution of the vehicle to right and left driving force distribution, and gradually or stepwisely switches to the manual driving while returning the right and left driving force distribution to original driving force distribution. In addition, a steering amount at the time of the automatic driving is stored when a requirement of switching from the automatic driving to the manual driving is issued, the driving force distribution of the vehicle is changed to the right and left driving force distribution based on the steering amount at the time of the automatic driving, and the automatic driving is gradually or stepwisely switched to the manual driving while the right and left driving force distribution is returned to the original driving force distribution.Type: ApplicationFiled: September 11, 2019Publication date: March 19, 2020Applicant: Honda Motor Co.,Ltd.Inventors: Masayuki SADAKIYO, Akiko NAKAGAWARA, Takuro SHIMIZU
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Publication number: 20190375401Abstract: The disclosure provides a vehicle control system capable of mitigating the impact when an object collides with a vehicle by exerting active driving control on the vehicle, and capable of protecting an occupant. In a vehicle control system, a driving control part includes a relative speed calculating part which detects an advancing direction of an object approaching the vehicle and calculates a relative speed between the vehicle and the object approaching the vehicle, and an acceleration control part which, based on the relative speed, a position of the object, and the advancing direction of the object approaching the vehicle, in a case where it is determined that the object is going to collide with the vehicle, performs acceleration control to exert driving control which accelerates the vehicle in the advancing direction, so as to reduce the relative speed calculated by the relative speed calculating part.Type: ApplicationFiled: May 29, 2019Publication date: December 12, 2019Applicant: Honda Motor Co.,Ltd.Inventors: Takuro SHIMIZU, Akiko NAKAGAWARA, Masayuki SADAKIYO
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Publication number: 20190375402Abstract: In the vehicle control system, a driving control part includes a relative speed calculating part which detects an advancing direction of an object approaching the vehicle and calculates a relative speed between the vehicle and the object approaching the vehicle, a moving direction predicting part which, in a case where it is determined that the object is going to collide with the vehicle, predicts a movement of the vehicle after a collision, and a collision reducing vehicle turning control part which, in a case where it is determined that the vehicle is going to collide with the object around the vehicle, exerts driving control which changes the orientation of the vehicle to a direction in which the vehicle does not collide with the object around the vehicle or to a direction in which the collision to the object around the vehicle by the vehicle is alleviated.Type: ApplicationFiled: May 8, 2019Publication date: December 12, 2019Applicant: Honda Motor Co.,Ltd.Inventors: Takuro SHIMIZU, Akiko NAKAGAWARA, Masayuki SADAKIYO
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Publication number: 20190369623Abstract: A self-driving vehicle including an actuator used for traveling, a communication unit receiving disaster information and a microprocessor. The microprocessor is configured to perform controlling the actuator so as to evacuate the self-driving vehicle to a predetermined place when the disaster information is received by the communication unit, the actuator includes a shift actuator changing a speed ratio of a transmission. The microprocessor is configured to perform the controlling including controlling the shift actuator so as to increase the speed ratio of the transmission when the disaster information is received by the communication unit.Type: ApplicationFiled: May 10, 2019Publication date: December 5, 2019Inventors: Masayuki Sadakiyo, Hisashi Ishikawa, Tomoyuki Noguchi, Takashi Adachi
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Publication number: 20190367044Abstract: A vehicle control system includes: an automated driving controller performing automated driving control over a vehicle; a manual driving controller performing manual driving control; a driving mode shift controller shifting the driving mode between the automated driving control and the manual driving control; a ? estimation unit estimating a frictional coefficient ? of a road surface; a maximum frictional force calculation unit calculating the maximum frictional force between wheels and the road surface; a storage unit storing, during the automated driving control, the estimated ? and the calculated maximum frictional force; and a driving force distribution controller distributing, when the driving mode forcibly shifts from the automated driving control to the manual driving control and when driving force exceeding the stored maximum frictional force is input to one driving wheel, the driving force to another driving wheel.Type: ApplicationFiled: May 29, 2019Publication date: December 5, 2019Applicant: HONDA MOTOR CO., LTD.Inventors: Akiko Nakagawara, Masayuki Sadakiyo, Takuro Shimizu
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Publication number: 20190322289Abstract: A control device for a vehicle capable of switching between an automated driving mode in which driving force of a vehicle having a transmission is automatically controlled and a manual driving mode in which the driving force of the vehicle is controlled on the basis of a driver's operation on the vehicle includes: an operation element to which the driver's operation is input; and a travel control unit that outputs a command value for selecting a gear range of the transmission. The travel control unit selects which of ordinary gear change control and gear change restricting control is to be performed on the basis of an operation performed on the operation element when there is an automated driving release request in which the automated driving mode is released and the automated driving mode is switched to the manual driving mode during traveling of the vehicle in the automated driving mode.Type: ApplicationFiled: April 22, 2019Publication date: October 24, 2019Applicant: Honda Motor Co.,Ltd.Inventors: Takashi ADACHI, Kentaro ARAI, Tomoyuki NOGUCHI, Masayuki SADAKIYO, Hisashi ISHIKAWA
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Publication number: 20190322308Abstract: A control device for a vehicle capable of operating in an automated driving mode for automatically controlling at least the accelerating/decelerating control of the steering control and the accelerating/decelerating control of a vehicle includes: a route information acquisition unit; and an automated driving control unit that decides an action plan on a basis of map information, the action plan includes a target vehicle speed sequence that defines a target vehicle speed at the respective predetermined points at least on a road along which the vehicle will travel next, and the automated driving control unit calculates requested braking force that is braking force for decelerating the vehicle to target vehicle speed when the target vehicle speed is achieved by deceleration, calculates a predicted temperature of a brake device when the requested braking force is achieved, and decides a utilization proportion of the brake device for the requested braking force.Type: ApplicationFiled: April 22, 2019Publication date: October 24, 2019Applicant: Honda Motor Co.,Ltd.Inventors: Takashi ADACHI, Masayuki SADAKIYO, Tomoyuki NOGUCHI, Hisashi ISHIKAWA, Kentaro ARAI