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公开(公告)号：US20150224970A1
公开(公告)日：2015-08-13
申请号：US14426697
申请日：2013-09-04
Applicant: Yoshiyuki YASUI , Hiroyuki KODAMA , Takuya HIRANO , Naoki YABUSAKI , Takayuki YAMAMOTO , ADVICS CO., LTD. , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yoshiyuki Yasui , Hiroyuki Kodama , Takuya Hirano , Naoki Yabusaki , Takayuki Yamamoto
IPC: B60T8/1761 , B60T8/172 , B60T8/171
CPC classification number: B60T8/1761 , B60T8/171 , B60T8/172 , B60T8/17616 , B60T13/741 , B60T2240/06
Abstract: In a vehicle brake control device for generating rear wheel braking torque by an electric motor, “slip suppression control of the rear wheel” for reducing rear wheel braking torque by controlling the electric motor is executed based on a slip state quantity of the rear wheel. Further, “sudden-stop control” for rapidly stopping electric motor rotation motion is executed based on a slip state quantity of a front wheel. The sudden-stop control is executed when rear wheel slip suppression control is not being executed. As the sudden-stop control, “control for changing an energization amount of the electric motor stepwise to an energization limit value set in advance corresponding to a deceleration direction of the electric motor” may be executed. Accordingly, it is possible to suppress excessive rear wheel slip due to inertia influences or the like of the electric motor when execution of the rear wheel slip suppression control is started.
Abstract translation: 在用于通过电动机产生后轮制动转矩的车辆制动控制装置中，基于后轮的滑动状态量来执行用于通过控制电动机来减小后轮制动转矩的“后轮的滑移抑制控制”。 此外，基于前轮的滑动状态量来执行用于快速停止电动机旋转运动的“突然停止控制”。 当不执行后轮打滑抑制控制时，执行突然停止控制。 作为突然停止控制，可以执行“将电动机的通电量逐步改变为对应于电动机的减速方向而设定的通电限制值的控制”。 因此，当执行后轮打滑抑制控制开始时，可以抑制由于电动机的惯性影响等导致的过大的后轮滑动。
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公开(公告)号：US11964643B2
公开(公告)日：2024-04-23
申请号：US17288047
申请日：2019-11-18
Applicant: ADVICS CO., LTD.
Inventor： Takayuki Yamamoto
IPC: B60T13/68 , B60T8/36 , B60T11/224
CPC classification number: B60T13/686 , B60T8/363 , B60T11/224
Abstract: A vehicle braking device provided with a hydraulic circuit having a first system, a second system, and a connection flow channel connecting both systems. The vehicle braking device includes a fluid supply unit supplying fluid to the first system, a first braking unit, for applying a braking force to a first wheel by using the fluid flowing in the first system, a second braking unit, for applying a braking force to a second wheel by using the fluid flowing in the second system, a determination unit for determining whether the fluid is leaking from the second system, and a control unit for executing specific control for controlling the fluid supply unit so that an amount of fluid supplied to the first system is increased in response to determination by the determination unit that the fluid is leaking from the second system.
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公开(公告)号：US11364890B2
公开(公告)日：2022-06-21
申请号：US16086891
申请日：2017-03-28
Applicant: ADVICS CO., LTD.
Inventor： Yasuhito Ishida , Tatsushi Kobayashi , Takayuki Yamamoto
IPC: B60T13/68 , B60T7/04 , B60T8/40 , B60W10/192 , B60W10/188 , B60T8/17 , B60T13/66
Abstract: A braking device includes: a reservoir; a master cylinder in which when the amount of operation performed on a brake pedal reaches or exceeds a predetermined amount, a port communicating between a pressure chamber and the reservoir is cut off and hydraulic pressure corresponding to the brake pedal operation amount is generated; a hydraulic pressure unit for adjusting the wheel cylinder hydraulic pressure; and a control unit for controlling the hydraulic pressure unit. The control unit determines, based on a temperature-related value related to the temperature of a friction member pressed by the wheel cylinder hydraulic pressure against a rotating member fixed to a wheel, whether the friction member is in a fade state. When the friction member is in a fade state, the control unit controls the hydraulic pressure unit to suction brake fluid from the reservoir through the port, and is fed to the wheel cylinder.
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Patent Agency Ranking
公开(公告)号：US11325576B2
公开(公告)日：2022-05-10
申请号：US16754329
申请日：2018-10-17
Applicant: ADVICS CO., LTD.
Inventor： Takayuki Yamamoto , Hiroyuki Kodama
Abstract: A braking control device includes a first adjustment unit, a master unit, a regenerative coordination unit, a first opening/closing valve, a second opening/closing valve, a reaction force hydraulic pressure sensor, an input hydraulic pressure sensor, a controller. The master unit includes a master cylinder and a master piston, a master chamber, a servo chamber, and a reaction force chamber. The regenerative coordination unit includes an input piston. The first opening/closing valve provided in a first fluid passage. The second opening/closing valve provided in a second fluid passage. The reaction force hydraulic pressure sensor detects a pressure in the reaction force chamber. The input hydraulic pressure sensor detects a pressure in the input cylinder.
The controller determines, based on the reaction force hydraulic pressure and the input hydraulic pressure, suitability of at least one of the master unit, the regenerative coordination unit, the first opening/closing valve, and the second opening/closing valve.-
公开(公告)号：US11155254B2
公开(公告)日：2021-10-26
申请号：US16339035
申请日：2017-10-04
Applicant: ADVICS CO., LTD.
Inventor： Kunihiro Nishiwaki , Takayuki Yamamoto , Yasuhito Ishida , Tatsushi Kobayashi
Abstract: A braking device includes a stroke simulator, a hydraulic pressure generation unit, a reaction hydraulic pressure detection unit, a master hydraulic pressure detection unit, and a bottoming determination unit. The stroke simulator includes a cylinder and a piston slidably movable inside the cylinder in conjunction with an operation of a brake operation member. The stroke simulator causes a reaction force chamber to generate a reaction hydraulic pressure and applies a reaction force. The hydraulic pressure generation unit generates a master hydraulic pressure by driving a master piston and supplies a hydraulic pressure to a wheel cylinder. The reaction hydraulic pressure detection unit detects the reaction hydraulic pressure. The master hydraulic pressure detection unit detects the master hydraulic pressure. The bottoming determination unit determines whether the master piston is in a bottoming state based on the reaction hydraulic pressure and the master hydraulic pressure.
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26.发明授权公开(公告)号：US11117561B2
公开(公告)日：2021-09-14
申请号：US16318816
申请日：2017-07-26
Applicant: ADVICS CO., LTD.
Inventor： Yasuhito Ishida , Takayuki Yamamoto
IPC: B60T8/88 , G08C19/00 , B60T17/22 , B60T7/04 , G08C25/00 , B60T8/17 , B60T8/171 , B60T8/32 , H04Q9/00
Abstract: A sensor monitoring device that comprises: a first controller ECA into which a detected value Smn from a sensor SMN is inputted via a first signal line LMA; a second controller ECB into which the detected value Smn is inputted via a second signal line LMB; and a communication bus CMB that transmits signals between the first controller ECA and the second controller ECB. The second controller ECB reads in the detected value Smn as a second processing value Smb and transmits the second processing value Smb to the first controller ECA via the communication bus CMB. The first controller ECA reads in the detected value Smn as a first processing value Sma, receives the second processing value Smb, and, on the basis of the first processing value Sma and the second processing value Smb, determines the suitability of the first processing value Sma.
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公开(公告)号：US20200164842A1
公开(公告)日：2020-05-28
申请号：US16320861
申请日：2017-07-26
Applicant: ADVICS CO., LTD.
Inventor： Yasuhito Ishida , Takayuki Yamamoto
Abstract: A braking control device comprises: an operational displacement sensor detecting operational displacement of a braking member; a first hydraulic pressure unit that reads operational displacement as a first displacement processing value via a first displacement signal line and adjusts braking hydraulic pressure based on the first displacement processing value; a second hydraulic pressure unit that reads operational displacement as a second displacement processing value via a second displacement signal line and adjusts braking hydraulic pressure based on the second displacement processing value; and a communication bus transmitting signals between the first and second hydraulic pressure units. The first hydraulic pressure unit acquires the second displacement processing value via the communication bus and determines suitability/unsuitability of the first displacement processing value. When the first displacement processing value is suitable (unsuitable), the first hydraulic pressure unit adjusts the braking hydraulic pressure on the basis of the first (second) displacement processing value.
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公开(公告)号：US20200039494A1
公开(公告)日：2020-02-06
申请号：US16339035
申请日：2017-10-04
Applicant: ADVICS CO., LTD.
Inventor： Kunihiro Nishiwaki , Takayuki Yamamoto , Yasuhito Ishida , Tatsushi Kobayashi
Abstract: A braking device includes a stroke simulator, a hydraulic pressure generation unit, a reaction hydraulic pressure detection unit, a master hydraulic pressure detection unit, and a bottoming determination unit. The stroke simulator includes a cylinder and a piston slidably movable inside the cylinder in conjunction with an operation of a brake operation member. The stroke simulator causes a reaction force chamber to generate a reaction hydraulic pressure and applies a reaction force. The hydraulic pressure generation unit generates a master hydraulic pressure by driving a master piston and supplies a hydraulic pressure to a wheel cylinder. The reaction hydraulic pressure detection unit detects the reaction hydraulic pressure. The master hydraulic pressure detection unit detects the master hydraulic pressure. The bottoming determination unit determines whether the master piston is in a bottoming state based on the reaction hydraulic pressure and the master hydraulic pressure.
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