KR970006016A - Operation control method of anti-lock brake system - Google Patents

Operation control method of anti-lock brake system Download PDF

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Publication number
KR970006016A
KR970006016A KR1019950022743A KR19950022743A KR970006016A KR 970006016 A KR970006016 A KR 970006016A KR 1019950022743 A KR1019950022743 A KR 1019950022743A KR 19950022743 A KR19950022743 A KR 19950022743A KR 970006016 A KR970006016 A KR 970006016A
Authority
KR
South Korea
Prior art keywords
slip rate
maximum
abs
maximum slip
reference value
Prior art date
Application number
KR1019950022743A
Other languages
Korean (ko)
Other versions
KR0121811B1 (en
Inventor
민중기
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950022743A priority Critical patent/KR0121811B1/en
Publication of KR970006016A publication Critical patent/KR970006016A/en
Application granted granted Critical
Publication of KR0121811B1 publication Critical patent/KR0121811B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
    • B60T8/1761—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/329—Systems characterised by their speed sensor arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE 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
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/10—ABS control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/303—Speed sensors
    • B60Y2400/3032—Wheel speed sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/81—Braking systems

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Regulating Braking Force (AREA)

Abstract

본 발명은 안티록 브레이크 시스템(Anti-Lock Brake System, 이하 ABS)에 관한 것으로, 차량바퀴에 설치되어 차륜속도를 검출하는 차륜속도감지센서와, 운전자의 제동동작을 감지하는 브레이크신호입력부와, 상기 장치의 출력단에 접속되어 ABS제동제어신호를 출력하는 ABS 전자제어유니트와, 상기 ABS 전자제어유니트의 ABS 제동제어신호에 따라 브레이크 조작의동작을 제어하는 모듈레이터를 구비하는 안티록 브레이크 시스템의 동작 제어방법에 있어서, 상기 차륜속도감지센서에서 감지된 차륜속도에 의하여 연산된 자동차의 슬립률이 설정치 이상이고 저장되어 있는 최대슬립률 보다 크면 최대슬립률을 입력된 슬립률로 변경하는 최대슬립률 설정과정과, 상기 최대슬립률 설정과정에서 결정된 최대슬립률이 설정치 이상이고최대슬립률이 슬립기준값에서 일정범위내에 존재하면 이를 기준으로 ABS 제동동작을 수행하는 최대슬립률 유지과정과, 상기 최대슬립률 설정과정에서 결정된 최대슬립률이 슬립기준값에서 일정범위를 초과한 상태이면 슬립기준값을 하향 조정하여 이를 기준으로 ABS 제동동작을 수행하는 최대슬립률 하향 조정과정과, 상기 최대슬립률 설정과정에서 결정된 최대슬립률이 슬립기준값에서 일정범위를 미달한 상태이면 슬립기준값을 상향 조정하여 이를 기준으로 ABS 제동동작을 수행하는최대슬립률 상향 조정과정으로 이루어져 감지된 차륜속도를 이용하여 제동동작시 바퀴의 슬립기준치를 조절하여 안티록브레이크 시스템의 동작을 제어하도록 하므로써, 차량의 제동성을 향상시키며, 시스템의 정밀성을 증가시키는 것이다.The present invention relates to an anti-lock brake system (ABS), a wheel speed sensor mounted on a vehicle wheel for detecting wheel speed, a brake signal input unit for detecting a braking operation of a driver, and A method for controlling an operation of an anti-lock brake system, comprising: an ABS electronic control unit connected to an output terminal of the device and outputting an ABS braking control signal; and a modulator for controlling the operation of the brake operation according to the ABS braking control signal of the ABS electronic control unit. The maximum slip rate setting process of changing the maximum slip rate to the input slip rate when the slip rate of the vehicle calculated by the wheel speed detected by the wheel speed sensor is greater than a set value and larger than the stored maximum slip rate; The maximum slip rate determined in the maximum slip rate setting process is equal to or larger than the set value and the maximum slip rate is equal to the slip reference value. If it exists within a certain range, the maximum slip rate maintenance process that performs the ABS braking operation based on this, and if the maximum slip rate determined in the maximum slip rate setting process exceeds a certain range from the slip reference value, the slip reference value is adjusted downward. ABS brake operation based on the maximum slip rate downward adjustment process that performs the ABS braking operation as a reference, and the slip reference value is adjusted upward if the maximum slip rate determined in the maximum slip rate setting process is less than a certain range from the slip reference value. The system adjusts the slip reference value of the wheel during braking operation by using the detected wheel speed to adjust the anti-lock brake system operation to improve the braking performance of the vehicle and to improve the precision of the system. To increase.

Description

안티록 브레이크 시스템의 동작제어방법Operation control method of anti-lock brake system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 일반적인 ABS의 블럭도, 제2도는 본 발명에 따른 안티록 브레이크 시스템의 동작 흐름도.1 is a block diagram of a general ABS, and FIG. 2 is an operation flowchart of an antilock brake system according to the present invention.

Claims (1)

차량바퀴에 설치되어 차륜속도를 검출하는 차륜속도감지센서(1)와, 운전자의 제동동작을 감지하는 브레이크신호입력부(2)와, 상기 장치(1, 2)의 출력단에 접속되어 ABS 제동제어신호를 출력하는 ABS 전자제어유니트(3)와, 상기ABS 전자제어유니트(3)의 ABS 제동제어신호에 따라 브레이크조작부(5)의 동작을 제어하는 모듈레이터(6)를 구비하는 안티록 브레이크 시스템의 동작제어방법에 있어서, 상기 차륜속도감지센서(1)에서 감지된 차륜속도에 의하여 연산된 자동차의 슬립률이 설정치 이상이고 저장되어 있는 최대슬립률 보다 크면 최대슬립률을 입력된 슬립률로 변경하는 최대슬립률 설정과정(L1)과, 상기 최대슬립률 설정과정(L1)에서 결정된 최대슬립률이 설정치 이상이고 최대슬립률이 슬립기준값에서 일정범위내에 존재하면 이를 기준으로 ABS 제동동작을 수행하는 최대슬립률 유지과정(L2)과, 상기 최대슬립률 설정과정(L1)에서결정된 최대슬립률이 슬립기준값에서 일정범위를 초과한 상태이면 슬립기준값을 하향 조정하여 이를 기준으로 ABS 제동동작을 수행하는 최대슬립률 하향 조정과정(L3)과, 상기 최대슬립률 설정과정(L1)에서 결정된 최대슬립률이 슬립기준값에서 일정범위를 미달한 상태이면 슬립기준값을 상향 조정하여 이를 기준으로 ABS 제동동작을 수행하는 최대슬립률 상향조정과정(L4)으로 이루어진 것을 특징으로 하는 안티록 브레이크 시스템의 동작제어방법.The ABS brake control signal is connected to the wheel speed sensor 1 installed on the vehicle wheel to detect the wheel speed, the brake signal input unit 2 to detect the braking operation of the driver, and the output terminal of the device 1 or 2. Operation of the anti-lock brake system having an ABS electronic control unit (3) for outputting a modulator (6) and a modulator (6) for controlling the operation of the brake control unit (5) according to the ABS braking control signal of the ABS electronic control unit (3). In the control method, the maximum slip rate is changed to the input slip rate if the slip rate of the vehicle calculated by the wheel speed detected by the wheel speed sensor 1 is greater than or equal to a set value and is larger than the stored maximum slip rate. ABS braking operation based on the slip rate setting process (L1) and the maximum slip rate determined in the maximum slip rate setting process (L1) is greater than or equal to a set value and the maximum slip rate is within a predetermined range from the slip reference value. If the maximum slip rate maintenance process (L2) and the maximum slip rate determined in the maximum slip rate setting process (L1) exceed the predetermined range from the slip reference value, the slip reference value is adjusted downward to perform the ABS braking operation. If the maximum slip rate down adjustment process (L3) performed and the maximum slip rate determined in the maximum sleep rate setting process (L1) are less than a certain range from the slip reference value, the slip reference value is adjusted upward and the ABS brake operation is performed based on this. Operation control method of the anti-lock brake system, characterized in that made up of the maximum sleep rate adjustment process (L4). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950022743A 1995-07-28 1995-07-28 A.b.s. control method KR0121811B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950022743A KR0121811B1 (en) 1995-07-28 1995-07-28 A.b.s. control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950022743A KR0121811B1 (en) 1995-07-28 1995-07-28 A.b.s. control method

Publications (2)

Publication Number Publication Date
KR970006016A true KR970006016A (en) 1997-02-19
KR0121811B1 KR0121811B1 (en) 1997-12-08

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KR1019950022743A KR0121811B1 (en) 1995-07-28 1995-07-28 A.b.s. control method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990020577A (en) * 1997-08-30 1999-03-25 정몽규 Automobile safety device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990020577A (en) * 1997-08-30 1999-03-25 정몽규 Automobile safety device

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Publication number Publication date
KR0121811B1 (en) 1997-12-08

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