Patents Assigned to Advics Co., Ltd.
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Patent number: 11453373Abstract: A brake control device adjusts a fluid pressure of a brake fluid in a wheel cylinder, and is provided with: a fluid passage which connects a master cylinder and the wheel cylinder; a first electromagnetic valve which is provided in the fluid passage; a second electromagnetic valve which is provided in the fluid passage between the first electromagnetic valve and the wheel cylinder; a fluid pump which is driven by an electric motor, suctions the brake fluid from the fluid passage at a suction part between the first electromagnetic valve and the second electromagnetic valve, and discharges the brake fluid to the fluid passage at a discharge part between the first electromagnetic valve UP and the second electromagnetic valve; a check valve which is provided between the fluid pump and the discharge part; and a controller which controls the first electromagnetic valve, the second electromagnetic valve, and the electric motor.Type: GrantFiled: September 28, 2018Date of Patent: September 27, 2022Assignee: ADVICS CO., LTD.Inventor: Yusuke Takeya
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Patent number: 11456642Abstract: A motor device includes a motor body having a stator and a rotor, and an EDU for controlling the motor body. A hydro unit is disposed between the motor body and the EDU (Electric Driver Unit). In the motor body, a plurality of terminal lines for energizing the coil of the stator and the EDU is drawn around, and a rotation detection unit for detecting the rotation of the rotor is provided a space formed between the plurality of drawn terminal lines and the rotation shaft of the motor.Type: GrantFiled: August 15, 2019Date of Patent: September 27, 2022Assignees: DENSO CORPORATION ADVICS CO., LTD., ADVICS CO., LTD.Inventors: Takumi Suzuki, Motoki Uehama, Atsushi Inoue
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Publication number: 20220297711Abstract: A control device includes: an acquisition unit configured to acquire, from a driving assist system, a requested acceleration and ending information indicating an end of a deceleration control; and a control unit configured to control a powertrain and a brake based on the requested acceleration, and perform a prescribed process of stabilizing a driving force and a braking force that are generated in an ending process of the deceleration control based on the requested acceleration when the acquisition unit acquires the ending information.Type: ApplicationFiled: June 8, 2022Publication date: September 22, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Akitsugu SAKAI, Ryo SUMIKURA, Taisuke HAYASHI, Yuma MORI, Jun AOKI
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Publication number: 20220297702Abstract: A manager includes one or more processors. The one or more processors are configured to receive a plurality of first kinematic plans from a plurality of electronic control units in each of which is implemented an advanced driver assistance system application function, receive a second kinematic plan following at least one of the first kinematic plans, arbitrate the first kinematic plans, calculate one or more motion requests based on an arbitration result, and output the one or more motion requests to one or more actuator systems.Type: ApplicationFiled: March 16, 2022Publication date: September 22, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Nobuyuki ITOH, Shunsuke ARAKAWA, Shogi FUKUKAWA
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Patent number: 11447114Abstract: A liquid pressure control device includes a deformable part positioned in a deformed state between a housing and a case in an assembled state in which the housing and the case are assembled. When a first load is applied to the deformable part in a non-assembled state in which the case is separated further from the housing in a first direction than in the assembled state, the deformable part can place the housing and the case in a separation state in which a second end portion supported by a bottom wall is separated from a terminal in the first direction. When a second load greater than the first load is applied in the non-assembled state, the deformable part is deformed by the second load and can place the housing and the case in a contact state in which the second end portion and the terminal contact each other.Type: GrantFiled: August 10, 2018Date of Patent: September 20, 2022Assignee: ADVICS CO., LTD.Inventors: Miyuki Uchida, Yoshihiro Miyata
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Publication number: 20220289219Abstract: A manager installed in a vehicle includes: a first accepting unit that accepts a plurality of kinematic plans from a plurality of ADAS applications; an arbitration unit that arbitrates the kinematic plans; a calculation unit that calculates a motion request based on an arbitration result by the arbitration unit; and a distribution unit that distributes the motion request to at least one actuator system, wherein the first accepting unit accepts information relating to the actuator system to which the distribution unit distributes the motion request from the ADAS applications, along with the kinematic plans.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Kazuki MIYAKE, Yusuke SUETAKE, Atsushi KUCHINOMACHI
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Patent number: 11440524Abstract: The present disclosure provides a brake control device applied to a vehicle including a hydraulic brake device that generates a hydraulic braking force by pressing a braking member with hydraulic pressure toward a member-to-be-braked that rotates integrally with a wheel; and an electric brake device that generates an electric braking force by pressing the braking member by driving a motor toward the member-to-be-braked. A controller that controls the electric brake device is provided. The controller executes, when a predetermined condition is satisfied, a positional control for driving a motor and moving a propeller shaft that transmits the driving force of the motor to the braking member toward the member-to-be-braked as compared to when the predetermined condition is not satisfied.Type: GrantFiled: April 26, 2019Date of Patent: September 13, 2022Assignee: ADVICS CO., LTD.Inventors: Hirotaka Takeya, Shunsuke Murata, Keita Nakano
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Patent number: 11440547Abstract: A parking assistance unit comprises: a step determination unit that executes a first determination process for determining whether a step that a vehicle wheel has contacted is a step for stopping the vehicle; and a braking/drive force setting unit that executes a stop request control for requesting stopping of a vehicle by increasing the braking force of the vehicle, when a step has been determined by the first determination process to be a step for stopping the vehicle.Type: GrantFiled: November 16, 2018Date of Patent: September 13, 2022Assignee: ADVICS CO., LTD.Inventor: Mako Noguchi
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Publication number: 20220281424Abstract: A vehicle control system includes a brake mechanism and a first power source. The brake mechanism includes: a hydraulic brake provided for a vehicle wheel to suppress rotation of the wheel in accordance with a hydraulic pressure; a hydraulic pressure supply device including a high-pressure source that supplies a high hydraulic pressure, and first and second electromagnetic valves, to supply the hydraulic pressure to the hydraulic brake by controlling the first electromagnetic valve using the hydraulic pressure; and a control device that performs drive assist control by controlling the hydraulic pressure supply device. The first power source supplies power to the brake mechanism. The control device supplies a current to a solenoid of the first electromagnetic valve while suspending supply of a current to a solenoid of the second electromagnetic valve when a voltage of the first power source is lower than a set voltage during the drive assist control.Type: ApplicationFiled: January 27, 2022Publication date: September 8, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Misuzu SHIMAZAKI, Yusuke KAMIYA, Tatsushi KOBAYASHI
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Publication number: 20220281321Abstract: A braking control device includes an “electrically driven pressure control unit YC”, “front-wheel and rear-wheel supply paths HKf and HKr that supply a brake fluid BF pressurized by the pressure control unit YC to front-wheel and rear-wheel wheel cylinders CWf and CWr”, “front-wheel and rear-wheel supply valves VKf and VKr provided in the front-wheel and rear-wheel supply paths HKf and HKr”, and a “controller ECU that drives the pressure control unit YC and the front-wheel and rear-wheel supply valves VKf and VKr”. In the braking control device, at least one of the front-wheel and rear-wheel supply valves VKf and VKr is a linear valve.Type: ApplicationFiled: August 3, 2020Publication date: September 8, 2022Applicant: ADVICS CO., LTD.Inventors: Kazutoshi YOGO, Akihito KUSANO
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Publication number: 20220274616Abstract: A manager includes an accepting unit that accepts a plurality of application IDs and a plurality of kinematic plans from a plurality of advanced driver assistance system (ADAS) applications; an arbitration unit that arbitrates the kinematic plans; and an output unit that outputs a motion request to an actuator system based on an arbitration result by the arbitration unit, the output unit outputting the motion request to the actuator system corresponding to the application ID.Type: ApplicationFiled: February 17, 2022Publication date: September 1, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Kazuki MIYAKE, Akitsugu SAKAI, Nobuhiro TAZAWA, Shota HIGASHI
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MANAGER, ELECTRONIC CONTROL UNIT, SYSTEM, CONTROL METHOD, NON-TRANSITORY STORAGE MEDIUM, AND VEHICLE
Publication number: 20220274587Abstract: A manager installed in a vehicle includes one or more processors. The one or more processors are configured to receive a plurality of kinematic plans and identification information of a plurality of advanced driver assistance system applications from the advanced driver assistance system applications, and receive a control status indicating an execution state of control in each of the advanced driver assistance system applications. The one or more processors are configured to perform a first arbitration that arbitrates the kinematic plans.Type: ApplicationFiled: February 2, 2022Publication date: September 1, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Hideki OHASHI, Kazuki MIYAKE, Akitsugu SAKAI, Shota HIGASHI -
Publication number: 20220266843Abstract: A control device installed in a vehicle, the control device including one or more processors configured to: accept a plurality of first requests from a driver assistance system; perform arbitration of the first requests; calculate a second request that is a physical quantity that is different from the first requests, based on an arbitration result from the arbitration; calculate a third request that is the same physical quantity as the second request, based on a value realized by the vehicle and the first request; and distribute the second request and the third request to at least one of a plurality of actuator systems, wherein the one or more processors are configured to restrict calculation of the third request based on a predetermined condition.Type: ApplicationFiled: February 22, 2022Publication date: August 25, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Nobuyuki ITOH, Shunsuke ARAKAWA, Shogi FUKUKAWA
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Patent number: 11420601Abstract: A control device is provided with: a moving distance estimation unit that calculates an estimated value of a vehicle moving distance on the basis of a pulse signal inputted from a wheel speed sensor and a wheel dynamic load radius stored in a storage unit; a moving distance deriving unit that derives the calculated value of the vehicle moving distance on the basis of information acquired by monitoring systems; a vehicle stop position setting unit that sets a target vehicle stop position on the basis of the information acquired by the monitoring systems; a correction unit that corrects the target vehicle stop position on the basis of the calculated value of the moving distance and the estimated value of the moving distance; and a brake control unit that assists vehicle stoppage so as to stop the vehicle when it is determined that the vehicle has reached the target vehicle stop position on the basis of the vehicle moving distance calculated from a wheel rotation amount and the target vehicle stop position.Type: GrantFiled: July 26, 2018Date of Patent: August 23, 2022Assignee: ADVICS CO., LTD.Inventors: Takuya Yasui, Yosuke Hashimoto
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Patent number: 11424656Abstract: This motor device is provided with, e.g.: a motor having a motor case and a shaft supported by the motor case so as to be capable of rotating about a rotation center; a housing in which the motor is housed; and an elastic member interposed between the motor case and the housing. A first concave part in communication with both sides of the elastic member in the axial direction is provided between the outer peripheral surface of the elastic member and a cylindrical surface of the housing.Type: GrantFiled: April 23, 2018Date of Patent: August 23, 2022Assignee: ADVICS CO., LTD.Inventors: Seigo Kawamuro, Yuichi Takeo
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Patent number: 11407392Abstract: The braking device for vehicles includes a reduction amount setting part for setting the amount by which to reduce the revolution of a pump motor during maintenance or reduction of controllable differential pressure so that the reduction amount decreases as the probability increases of needing to discharge the brake fluid by pumps, during a period from when a brake controller begins reducing the revolution until the lapse of prescribed time.Type: GrantFiled: September 5, 2018Date of Patent: August 9, 2022Assignee: ADVICS CO., LTD.Inventors: Ken Kuzuya, Yasuhito Ishida, Tomotaka Asano, Takayuki Yamamoto
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Patent number: 11407391Abstract: The braking control device generates braking force by operating an electric motor to press a friction member against a wheel-fixed rotary member. The braking control device includes: a wheel speed sensor detecting wheel speed; a rotation angle sensor detecting a motor rotation angle; a drive circuit driving the motor; and a controller controlling the drive circuit. The controller sets a current limit circle within d-axis/q-axis current characteristics of the motor based on specifications of the drive circuit, calculates a voltage limit circle within the d-axis/q-axis current characteristics based on the rotation angle, executes slip suppression control for reducing the degree of wheel slip based on the wheel speed, calculates d-axis and q-axis target current values based on intersection points of the current limit circle and the voltage limit circle when execution of slip suppression control begins, and controls the drive circuit based on the d-axis and q-axis target current values.Type: GrantFiled: August 30, 2017Date of Patent: August 9, 2022Assignee: ADVICS CO., LTD.Inventors: Hikaru Kawamura, Shun Tsukamoto
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Patent number: 11400899Abstract: A braking force control apparatus includes a fluid pressure generation mechanism, a braking mechanism and an electric control unit. The fluid pressure generation mechanism causes a braking mechanism to generate a required fluid pressure. The braking mechanism applies a braking force depending on the required fluid pressure to each of wheels through the pressing of a braking member against a rotating rotary member due to the required fluid pressure. The electronic control unit performs, when the required fluid pressure is generated and a vehicle state shifts from a running state to a stopped state at a first time point, stop-time boost control to boost the required fluid pressure at and after the first time point.Type: GrantFiled: May 18, 2020Date of Patent: August 2, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Yusuke Kamiya, Hayato Kubota
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Publication number: 20220227337Abstract: A hydraulic brake system for a vehicle, including: a wheel brake device configured to generate a braking force based on a pressure of a working fluid; a first brake system including a high-pressure source device including an accumulator and a first pump device that is driven intermittently such that a pressure of the working fluid in the accumulator is not lower than a set lower limit pressure and not higher than a set upper limit pressure; a second brake system including a second pump device; and a main power source that supplies electricity to the first and second brake systems, wherein the hydraulic brake system includes an auxiliary power source that supplies electricity to the first brake system when a failure occurs in the main power source, and wherein the first pump device is continuously driven when the failure occurs irrespective of the pressure in the accumulator.Type: ApplicationFiled: January 13, 2022Publication date: July 21, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Takahiro OKANO, Shun MIZOO, Ken KUZUYA
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Publication number: 20220227341Abstract: A vehicle brake system, including: a first hydraulic-pressure control mechanism and a second hydraulic-pressure control mechanism configured to control a braking force; and a controller including a first-abnormal-state detecting device configured to detect whether the first hydraulic-pressure control mechanism is in a first abnormal state, a second-abnormal-state detecting device configured to detect whether the first hydraulic-pressure control mechanism is in a second abnormal state that the first hydraulic-pressure control mechanism reaches before reaching the first abnormal state, and an assist control device configured to control the second braking-force control mechanism so as to control the braking force when an assist wait time elapses after the second-abnormal-state detecting device has detected that the first hydraulic-pressure control mechanism is in the second abnormal state, the assist wait time being determined based on a temperature of a working fluid obtained by a temperature obtaining device oType: ApplicationFiled: January 11, 2022Publication date: July 21, 2022Applicants: Toyota Jidosha Kabushiki Kaisha, ADVICS CO., LTD.Inventors: Misuzu SHIMAZAKI, Yusuke Kamiya, Ken Kuzuya