KR100254355B1 - Abs - Google Patents

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Publication number
KR100254355B1
KR100254355B1 KR1019960080532A KR19960080532A KR100254355B1 KR 100254355 B1 KR100254355 B1 KR 100254355B1 KR 1019960080532 A KR1019960080532 A KR 1019960080532A KR 19960080532 A KR19960080532 A KR 19960080532A KR 100254355 B1 KR100254355 B1 KR 100254355B1
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KR
South Korea
Prior art keywords
control
square wave
unit
brake
signal
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KR1019960080532A
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Korean (ko)
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KR19980061162A (en
Inventor
윤헌중
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정몽규
현대자동차주식회사
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Priority to KR1019960080532A priority Critical patent/KR100254355B1/en
Publication of KR19980061162A publication Critical patent/KR19980061162A/en
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Publication of KR100254355B1 publication Critical patent/KR100254355B1/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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • 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
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
    • 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
    • B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
    • B60T2220/04—Pedal travel sensor, stroke sensor; Sensing brake request
    • 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
    • B60Y2400/81—Braking systems

Abstract

PURPOSE: A control device is simple in the structure of circuit thereof and has improved speed detecting performance. CONSTITUTION: A control device comprises a square wave signal generating part(101), a brake condition detecting part(150), a starting key operating part(160), a controller(300), an ABS(Anti-skid Brake System) actuator(400) and a warning part(410). The square wave generating part(101) comprises semi-conductor hall sensors detecting speed of each car wheel and generating square wave signals corresponding thereto. The controller(300) receives detected signals and operational signals from the detecting parts(101, 150, 160) and outputs control signal corresponding thereto. The ABS actuator(400) is driven by the control signal from the control device(300) to increase or decrease the braking hydraulic pressure to control braking force.

Description

ABS시스템의 제어장치ABS system control device

본발명은 차량의 브레이크시스템인 ABS(ANTI-SKID BRAKE SYSTEM)시스템에 관한 것으로서, 특히 차륜속도감지기능외에 구형파신호를 발생할 수 있는 반도체센서인 홀센서로 이루어진 차륜속도감지 및 구형파신호발생부를 사용함으로써 회로의 구성이 단순해지며 속도감지능력이 향상된 ABS시스템의 제어장치에 관한 것이다.The present invention relates to an ABS (ANTI-SKID BRAKE SYSTEM) system, which is a brake system of a vehicle, and in particular, by using a wheel speed detection and square wave signal generator comprising a hall sensor, which is a semiconductor sensor that can generate a square wave signal in addition to the wheel speed detection function. It is related to the control system of ABS system, which has a simple circuit configuration and improved speed sensing capability.

종래기술에 의한 ABS시스템의 제어장치는 제1도에 도시한 바와같이 4개의 각 차륜의 속도를 감지하는 제1, 2, 3, 4차륜속도감지부(110,120,130,140)로 구성된 차륜감지부(100)와, 상기 제1, 2, 3, 4차륜감지부(110,120,130,140)로 부터 차륜속도감지신호를 인가받아 구형파신호를 발생하는 구형파신호발생부(200)와, 브레이크페달의 작동상태에 따라 온/오프구동되어 브레이크상태를 감지하는 브레이크상태감지부(150)와, 시동키의 조작에 따라 조작신호를 발생하는 시동키조작부(160)와, 상기 구형파신호발생부(200) 및 브레이크상태감지부(150), 그리고 시동키조작부(160)로부터 감지신호 및 조작신호를 인가받아 각 차륜의 차륜속도 및 브레이크작동상태를 인식하여 이에 상응하는 제어신호를 출력하는 제어수단(300)과, 상기 제어수단(300)으로부터 출력되는 제어신호를 인가받아 구동되어 도시하지않은 휠실린더로 브레이크유압을 감압 또는 증압시켜 제동력을 제어하는 ABS액츄에이터(400)와, 상기 제어수단(300)으로부터 제어신호를 인가받아 ABS 시스템에 이상이 발생했을 때 경고표시를 하는 경보부(410)로 이루어져 있었다.The control apparatus of the ABS system according to the related art includes a wheel sensing unit 100 including first, second, third, and fourth wheel speed sensing units 110, 120, 130, and 140 sensing the speed of each of the four wheels as shown in FIG. 1. In response to the wheel speed detection signals from the first, second, third and fourth wheel detection units 110, 120, 130 and 140, the square wave signal generator 200 generating a square wave signal and on / off driving according to the operating state of the brake pedal. And a brake state detecting unit 150 for detecting a brake state, a start key operating unit 160 generating an operation signal according to the operation of the start key, and the square wave signal generating unit 200 and the brake state detecting unit 150. And, receiving the detection signal and the operation signal from the start key operating unit 160 to recognize the wheel speed and brake operation state of each wheel and to output a corresponding control signal, and the control means 300 Apply the control signal output from ABS actuator 400 which controls the braking force by depressurizing or increasing the brake hydraulic pressure with a wheel cylinder (not shown) and a warning signal when an abnormality occurs in the ABS system by receiving a control signal from the control means 300. It consisted of the alarm unit 410.

그런데 종래의 ABS시스템의 제어장치는 차륜속도감지부(100)가 마그네틱센서로 구성되어 일정속도 이하의 차륜속도는 감지되지 않으며 또한 상기 마그네틱센서는 사인파를 출력함으로 시스템의 구성에 있어서 구형파발생부가 추가되어 구성됨으로 시스템의 구성이 복잡해진다는 문제점이 있었다.By the way, the control device of the conventional ABS system is that the wheel speed detection unit 100 is composed of a magnetic sensor so that the wheel speed below a certain speed is not detected, and the magnetic sensor outputs a sine wave so that the square wave generator is added in the configuration of the system. There was a problem that the configuration of the system is complicated by the configuration.

따라서, 본발명은 상기와 같은 문제점을 해결하기 위하여 이루어진 것으로서, 본발명의 목적은 회로의 구성이 단순하고 속도감지능력이 향상된 ABS시스템의 제어장치를 제공하는데 있다.Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a control device of an ABS system having a simple circuit configuration and an improved speed sensing capability.

상기와 같은 목적을 달성하기 위하여 본발명에 따른 ABS시스템의 제어장치는 각 차륜의 속도를 감지하여 이에 상응하는 구형파신호를 발생하는 반도체 홀센서로 이루어진 차륜속도감지 및 구형파신호발생부와, 브레이크페달의 작동상태에 따라 온/오프구동되어 브레이크상태를 감지하는 브레이크상태감지부와, 시동키의 조작에 다라 조작신호를 발생하는 시동키조작부와, 상기 차륜속도감지 및 구형파신호발생부와 브레이크상태감지부 그리고 시동키조작부로부터 감지신호 및 조작신호를 인가받아 각 차륜의 차륜속도 및 브레이크작동상태를 인식하여 이에 상응하는 제어신호를 출력하는 제어수단과, 상기 제어수단으로부터 출력되는 제어신호를 인가받아 구동되어 브레이크유압을 감압 또는 증압시켜 제동력을 제어하는 ABS액츄에이터와, 상기 제어수단으로부터 제어신호를 인가받아 ABS 시스템에 이상이 발생했을 때 경고표시를 하는 경보부로 이루어진 것을 특징으로 한다.In order to achieve the above object, the control device of the ABS system according to the present invention is a wheel speed detection and square wave signal generator and a brake pedal consisting of a semiconductor Hall sensor for detecting the speed of each wheel to generate a square wave signal corresponding thereto. A brake state detection unit which is on / off driven according to an operating state of the vehicle and detects a brake state; And a control means for receiving the detection signal and the operation signal from the start key operation unit, recognizing the wheel speed and the brake operation state of each wheel, and outputting a control signal corresponding thereto, and receiving and driving the control signal output from the control means. ABS actuator for controlling the braking force by reducing or increasing the brake hydraulic pressure; Applying a control signal received from the means is characterized in that the alarm unit comprising a warning display when an error occurs in the ABS system.

제1도는 종래의 기술에 의한 ABS시스템의 제어장치에 대한 하드웨어적인 블록 구성도.1 is a hardware block diagram of a control device of an ABS system according to the prior art.

제2도는 본발명의 일실시예에 의한 ABS시스템의 제어장치에 대한 하드웨어적인 블록구성도.Figure 2 is a block diagram of the hardware of the control device of the ABS system according to an embodiment of the present invention.

제3도는 본발명의 일실시예에 의한 ABS시스템의 제어장치에 대한 제어방법을 도시한 플로우챠트.3 is a flow chart showing a control method for the control device of the ABS system according to an embodiment of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

101 : 차륜속도감지 및 구형파발생부101: wheel speed detection and square wave generator

111 : 제1차륜속도감지 및 구형파발생부111: first wheel speed detection and square wave generator

121 : 제2차륜속도감지 및 구형파발생부121: second wheel speed detection and square wave generator

131 : 제3차륜속도감지 및 구형파발생부131: third wheel speed detection and square wave generator

141 : 제4차륜속도감지 및 구형파발생부 150 : 브레이크상태감지부141: fourth wheel speed detection and square wave generator 150: brake state detection unit

160 : 시동키조작부 300 : 제어수단160: start key operation unit 300: control means

400 : ABS 액츄에이터 410 : 경보부400: ABS actuator 410: alarm unit

이하, 본발명의 일실시예에 관하여 첨부도면을 참조하면서 상세히 설명한다. 제2도는 본발명의 일실시예에 의한 ABS시스템의 제어장치에 대한 하드웨어적인 블록구성도로서 종래와 동일한 부분에 대해서는 동일부호를 붙인다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. 2 is a block diagram showing the hardware configuration of a control device of an ABS system according to an embodiment of the present invention.

본 발명의 일실시예에 의한 ABS시스템의 제어장치는 제2도에 도시한 바와 같이 차륜속도감지 및 구형파신호발생부(101)와, 브레이크상태감지부(150)와, 시동키조작부(160)와, 제어수단(300)과, ABS액츄에이터(400)와, 경보부(410)로 구성되어 있다.As shown in FIG. 2, the control device of the ABS system according to the embodiment of the present invention includes a wheel speed detection unit and a square wave signal generation unit 101, a brake state detection unit 150, and a start key operation unit 160. And a control means 300, an ABS actuator 400, and an alarm unit 410.

상기 차륜속도감지 및 구형파신호발생부(101)는 각 4개의 차륜에 대한 속도를 감지하고 이에 상응하는 구형파신호를 발생하는 반도체센서인 홀센서로 이루어진 제1, 2, 3, 4차륜속도감지 및 구형파신호발생부(111,121,131,141)로 구성되어 있고, 상기 브레이크상태감지부(150)는 브레이크페달의 작동상태에 따라 온/오프동작되어 브레이크작동상태를 감지하는 역할을 하며, 상기 시동키조작부(160)는 시동키의 조작에 따라 조작신호를 출력한다.The wheel speed detection and square wave signal generation unit 101 includes first, second, third, and fourth wheel speed detections each including a hall sensor which is a semiconductor sensor that detects speeds for four wheels and generates corresponding square wave signals. Square wave signal generating unit (111, 121, 131, 141), the brake state detection unit 150 is on / off operation according to the operating state of the brake pedal serves to detect the brake operation state, the start key operation unit 160 Outputs an operation signal according to the operation of the start key.

상기 제어수단(300)은 전체시스템을 제어하는 마이크로컴퓨터로서 특히, 상기 차륜속도감지 및 구형파신호발생부(101)와 브레이크상태감지부(150) 그리고 시동키조작부(160)로부터 감지신호 및 조작신호를 인가받아 각 차륜의 차륜속도 및 브레이크작동상태를 인식하여 이에 상응하는 제어신호를 출력하는 역할을 하며, 상기 ABS액츄에이터(400)는 상기 제어수단(300)으로부터 출력되는 제어신호를 인가받아 구동되어 도시하지않은 휠실린더로 브레이크유압을 감압 또는 증압시켜 제동력을 제어한다.The control means 300 is a microcomputer for controlling the entire system, in particular, the detection signal and the operation signal from the wheel speed detection and square wave signal generator 101, the brake state detection unit 150 and the start key operation unit 160. Recognizes the wheel speed and brake operation state of each wheel to be applied to output the corresponding control signal, the ABS actuator 400 is driven by receiving the control signal output from the control means 300 A braking force is controlled by reducing or increasing the brake hydraulic pressure with a wheel cylinder (not shown).

그리고, 상기 경보부(410)는 상기 제어수단(300)으로부터 제어신호를 인가받아 ABS 시스템에 이상이 발생했을 때 경고표시를 한다.Then, the alarm unit 410 receives a control signal from the control means 300 and displays a warning when an abnormality occurs in the ABS system.

상기와 같이 구성된 본발명의 일실시예에 의한 ABS제어장치에 대한 제어방법을 설명하면 다음과 같다.Referring to the control method for the ABS control apparatus according to an embodiment of the present invention configured as described above are as follows.

제3도는 본발명의 일실시예에 의한 ABS시스템의 제어장치에 대한 제어방법을 도시한 플로우챠트도로서 S는 스텝을 표시한다.3 is a flowchart showing a control method for a control device of an ABS system according to an embodiment of the present invention, where S denotes a step.

먼저, 스텝(S1)에서 운전자가 시동키조작부(160)를 조작하여 온시키면, 스텝(S2)에서는 제어수단(300)이 초기화되고, 스텝(S3)에서는 제어수단(300)이 ABS시스템을 체크하여, 스텝(S4)에서는 제어수단(300)이 시스템의 이상유무를 판단하여 상기 시스템에 이상이 없으면(NO), 스텝(S5)으로 나아가서 제어수단(300)이 차륜속도감지 및 구형파신호발생부(101)로부터 감지신호를 인가받아 각차륜의 속도를 연산하고, 스텝(S6)에서는 제어수단(300)이 상기 스텝(S5)에서 연산된 각 차륜의 속도를 데이타로 하여 각차륜의 가속도를 연산한다.First, when the driver operates the start key operation unit 160 at step S1, the control means 300 is initialized at step S2, and at step S3, the control means 300 checks the ABS system. In step S4, if the control means 300 determines whether there is an abnormality of the system and there is no abnormality in the system (NO), the control means 300 moves to the wheel speed detection and square wave signal generation unit (NO). The detection signal is applied from 101 to calculate the speed of each wheel, and in step S6 the control means 300 calculates the acceleration of each wheel by using the speed of each wheel calculated in the step S5 as data. do.

스텝(S7)에서는 제어수단(300)이 상기 스텝(S5)에서 연산된 각차륜의 속도와 프로그램화된 알고리즘에 의해 차체의 속도를 추정하고, 스텝(S8)에서는 상기 스텝(S7)에서 추정된 차체의 속도를 데이터로 하여 차체의 가속도를 추정하며, 스텝(S9)에서는 제어수단(300)이 상기 스텝(S5)에서 연산된 차륜속도와 상기 스텝(S7)에서 연산된 차체속도를 데이터로 하여 슬립률(차량의 제동시에 차체속도에 대한 슬라이드량의 비율)을 추정한다.In step S7, the control means 300 estimates the speed of the vehicle body by the speed of each wheel calculated in the step S5 and the programmed algorithm. In step S8, the control means 300 estimates the speed of the vehicle body. The acceleration of the vehicle body is estimated using the speed of the vehicle body as data. In step S9, the control means 300 uses the wheel speed calculated in the step S5 and the vehicle speed calculated in the step S7 as data. The slip ratio (ratio of the slide amount to the body speed at the time of braking of the vehicle) is estimated.

스텝(S10)에서는 제어수단(300)이 상기 스텝(S5,S6,S7,S8,S9)에서 연산된 데이터를 바탕으로 하여 차륜의 상태를 판단하고, 스텝(S11)에서는 제어수단(300)이 상기 브레이크상태감지부(150)로부터 감지신호를 인가받아 브레이크페달의 작동상태를 판단한다.In step S10, the control means 300 judges the state of the wheel based on the data calculated in the steps S5, S6, S7, S8, and S9. In step S11, the control means 300 The brake signal is sensed by the brake state detecting unit 150 to determine an operating state of the brake pedal.

상기 스텝(S11)에서 브레이크페달이 작동되지않은 상태이면(NO), 스텝(S11)을 반복수행하고, 반면에 상기 브레이크페달이 작동상태이면(YES), 스텝(S12)으로 나아가서 제어수단(300)이 ABS액츄에이터(400)에 제어신호를 출력하여 상기 ABS액츄에이터(400)가 구동되어 차량의 제동력을 제어하며, 스텝(S13)에서는 제어수단(300)이 시동키조작부(160)로 부터 출력되는 조작신호를 인가받아 시동키조작부가 오프상태인지의 여부를 판단하여 상기 시동키조작부(160)가 온상태이면(NO), 상기 스텝(S5)이하의 동작을 반복수행하고, 반면에 상기 시동키조작부(160)가 오프상태이면(YES) 모든동작을 종료한다.If the brake pedal is not operated at step S11 (NO), step S11 is repeated, whereas if the brake pedal is at operation (YES), the control proceeds to step S12. ) Outputs a control signal to the ABS actuator 400, the ABS actuator 400 is driven to control the braking force of the vehicle, and in step S13 the control means 300 is output from the start key operation unit 160 If the start key operation unit 160 is turned on (NO) by receiving an operation signal and judges whether the start key operating unit is in an off state (NO), the operation below the step S5 is repeated, while the start key If the operation unit 160 is in the off state (YES), all the operations are terminated.

한편, 상기 스텝(S4)에서 시스템에 이상이 발생하면(YES), 스텝(S14)으로 나아가서 제어수단(300)이 경보부(410)에 제어신호를 출력하여 경보표시를 하고 상기 스텝(S2)이하의 동작을 반복수행한다.On the other hand, if an abnormality occurs in the system at step S4 (YES), the process proceeds to step S14, whereby the control means 300 outputs a control signal to the alarm unit 410 to display an alarm and the step S2 or less. Repeat the operation.

앞에서 설명한 바와같이 본발명에 의한 ABS시스템의 제어장치에 의하면 차륜속도감지기외에 구형파신호를 발생할 수 있는 반도체센서인 홀센서로 이루어진 차륜속도감지 및 구형파신호발생부를 사용함으로써 회로의 구성이 단순해지며 속도감지능력이 향상된다는 뛰어난 효과가 있다.As described above, according to the control system of the ABS system according to the present invention, the circuit configuration is simplified by using the wheel speed detection and the square wave signal generator composed of a Hall sensor which is a semiconductor sensor capable of generating square wave signals in addition to the wheel speed detector. There is an excellent effect of improved detection.

Claims (1)

각 차륜의 속도를 감지하여 이에 상응하는 구형파신호를 발생하는 반도체 홀센서로 이루어진 차륜속도감지 및 구형파신호발생부(101)와, 브레이크페달의 작동상태에 따라 온/오프구동되어 브레이크상태를 감지하는 브레이크상태감지부(150)와, 시동키의 조작에 다라 조작신호를 발생하는 시동키조작부(160)와, 상기 차륜속도감지 및 구형파신호발생부(101)와 브레이크상태감지부(150) 그리고 시동키조작부(160)로부터 감지신호 및 조작신호를 인가받아 각 차륜의 차륜속도 및 브레이크작동상태를 인식하여 이에 상응하는 제어신호를 출력하는 제어수단(300)과, 상기 제어수단(300)으로부터 출력되는 제어신호를 인가받아 구동되어 브레이크유압을 감압 또는 증압시켜 제동력을 제어하는 ABS액츄에이터(400)와, 상기 제어수단(300)으로부터 제어신호를 인가받아 ABS 시스템에 이상이 발생했을 때 경고표시를 하는 경보부(410)로 이루어진 것을 특징으로 하는 ABS시스템의 제어장치.The wheel speed detection and the square wave signal generator 101 comprising a semiconductor Hall sensor for detecting the speed of each wheel and generating a square wave signal corresponding thereto, and the brake state is detected by being turned on and off according to the operating state of the brake pedal. The brake state detection unit 150, a start key operation unit 160 for generating an operation signal according to the operation of the start key, the wheel speed detection and square wave signal generation unit 101, the brake state detection unit 150, and starting The control unit 300 receives the detection signal and the operation signal from the key operation unit 160 to recognize the wheel speed and the brake operating state of each wheel and output a control signal corresponding thereto, and is output from the control unit 300. The ABS actuator 400 is driven by receiving a control signal to control the braking force by reducing or increasing the brake hydraulic pressure, and receiving the control signal from the control means 300. ABS system control device characterized in that consisting of an alarm unit 410 for displaying a warning when an abnormality occurs.
KR1019960080532A 1996-12-31 1996-12-31 Abs KR100254355B1 (en)

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