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1. WO2021080402 - ELECTRONIC BRAKE SYSTEM AND CONTROL METHOD THEREFOR

Publication Number WO/2021/080402
Publication Date 29.04.2021
International Application No. PCT/KR2020/095127
International Filing Date 22.10.2020
IPC
B60T 8/40 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32responsive to a speed condition, e.g. acceleration or deceleration
34having a fluid pressure regulator responsive to a speed condition
40comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
B60T 8/171 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
17Using electrical or electronic regulation means to control braking
171Detecting parameters used in the regulation; Measuring values used in the regulation
B60T 8/172 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
17Using electrical or electronic regulation means to control braking
172Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
B60T 7/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
7Brake-action initiating means
02for personal initiation
04foot-actuated
B60T 13/68 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
66Electrical control in fluid-pressure brake systems
68by electrically-controlled valves
Applicants
  • 주식회사 만도 MANDO CORPORATION [KR]/[KR]
Inventors
  • 임승국 LIM, Seungkuk
Agents
  • 특허법인 세림 SELIM INTELLECTUAL PROPERTY LAW FIRM
Priority Data
10-2019-013247523.10.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) ELECTRONIC BRAKE SYSTEM AND CONTROL METHOD THEREFOR
(FR) SYSTÈME DE FREIN ÉLECTRONIQUE ET SON PROCÉDÉ DE COMMANDE
(KO) 전자식 브레이크 시스템 및 그 제어방법
Abstract
(EN)
An electronic brake system according to one embodiment comprises: a reservoir in which a pressure medium is stored; a master cylinder for discharging the pressure medium according to the pushing force of a brake pedal; a hydraulic pressure supply device for generating hydraulic pressure by operating a hydraulic piston by means of an electrical signal outputted in correspondence to the displacement of the brake pedal; a hydraulic control unit which is connected to the hydraulic pressure supply device and which controls the flow of the hydraulic pressure transmitted to a wheel cylinder; a pedal simulator which is connected to the master cylinder and which provides a reaction force against the brake pedal; a simulator valve for opening/closing a flow path that connects the master cylinder and the pedal simulator; a cut valve for opening/closing a flow path that connects the master cylinder and the hydraulic control unit; a pedal displacement sensor for detecting the displacement information about the brake pedal; a pressure sensor for detecting the pressure information about the pedal simulator; and a control unit for compensating, when the cut valve is closed and the simulator valve is opened, for target pressure according to the brake pedal displacement on the basis of the brake pedal displacement information detected through the pedal displacement sensor and the pedal simulator pressure information detected through the pressure sensor, and driving the hydraulic pressure supply device according to the compensated target pressure.
(FR)
Système de frein électronique selon un mode de réalisation comprenant : un réservoir dans lequel un milieu sous pression est stocké ; un maître-cylindre pour évacuer le fluide sous pression en fonction de la force de poussée d'une pédale de frein ; un dispositif d'alimentation en pression hydraulique pour générer une pression hydraulique par actionnement d'un piston hydraulique au moyen d'un signal électrique délivré en correspondance avec le déplacement de la pédale de frein ; un circuit de commande hydraulique qui est relié au dispositif d'alimentation en pression hydraulique et qui commande l'écoulement de la pression hydraulique transmise à un cylindre de roue ; un simulateur de pédale qui est relié au maître-cylindre et qui fournit une force de réaction à la pédale de frein ; une soupape de simulateur pour ouvrir/fermer un trajet d'écoulement qui relie le maître-cylindre et le simulateur de pédale ; une soupape de coupure pour ouvrir/fermer un trajet d'écoulement qui relie le maître-cylindre et le circuit de commande hydraulique ; un capteur de déplacement de pédale pour détecter les informations de déplacement concernant la pédale de frein ; un capteur de pression pour détecter les informations de pression concernant le simulateur de pédale ; et une unité de commande pour assurer la compensation, lorsque la soupape de coupure est fermée et que la soupape de simulateur est ouverte, pour une pression cible en fonction du déplacement de pédale de frein sur la base des informations de déplacement de pédale de frein détectées par l'intermédiaire du capteur de déplacement de pédale et des informations de pression de simulateur de pédale détectées par l'intermédiaire du capteur de pression, et entraîner le dispositif d'alimentation en pression hydraulique en fonction de la pression cible compensée.
(KO)
일실시예에 따른 전자식 브레이크 시스템은 가압매체가 저장되는 리저버와, 브레이크 페달의 답력에 따라 가압매체를 토출하는 마스터 실린더와, 브레이크 페달의 변위에 대응하여 출력되는 전기적 신호에 의해 유압 피스톤을 작동하여 액압을 발생시키는 액압 공급장치와, 액압 공급장치와 연결되며 휠 실린더로 전달되는 액압의 흐름을 제어하는 유압 제어유닛과, 마스터 실린더와 연결되며 브레이크 페달에 대한 반력을 제공하는 페달 시뮬레이터와, 마스터 실린더와 페달 시뮬레이터를 연결하는 유로를 개폐하는 시뮬레이터 밸브와, 마스터 실린더와 유압 제어유닛을 연결하는 유로를 개폐하는 컷밸브와, 브레이크 페달의 변위정보를 검출하는 페달 변위센서와, 페달 시뮬레이터의 압력정보를 검출하는 압력센서 및 컷밸브가 폐쇄되고 시뮬레이터 밸브가 개방될 때 페달 변위센서를 통해 검출된 브레이크 페달 변위정보 및 압력센서를 통해 검출된 페달 시뮬레이터 압력정보를 근거로 브레이크 페달 변위에 따른 목표 압력을 보상하고, 보상된 목표 압력에 따라 액압 공급장치를 구동시키는 제어부를 포함한다.
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