KR960010300A - 퍼지추론을 이용한 자동차의 현가제어장치 및 그 방법 - Google Patents

퍼지추론을 이용한 자동차의 현가제어장치 및 그 방법 Download PDF

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KR960010300A
KR960010300A KR1019940024021A KR19940024021A KR960010300A KR 960010300 A KR960010300 A KR 960010300A KR 1019940024021 A KR1019940024021 A KR 1019940024021A KR 19940024021 A KR19940024021 A KR 19940024021A KR 960010300 A KR960010300 A KR 960010300A
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South Korea
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vehicle
fuzzy inference
shock absorber
unit
law
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KR1019940024021A
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KR0121133B1 (ko
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이광기
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정몽원
만도기계 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/018—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
    • B60G17/0182—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method involving parameter estimation, e.g. observer, Kalman filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B60G17/01908—Acceleration or inclination sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B60G17/01933—Velocity, e.g. relative velocity-displacement sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/06—Characteristics of dampers, e.g. mechanical dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20—Speed
    • B60G2400/204—Vehicle speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/30—Propulsion unit conditions
    • B60G2400/33—Throttle position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/18—Automatic control means
    • B60G2600/187—Digital Controller Details and Signal Treatment
    • B60G2600/1879—Fuzzy Logic Control

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 발명은 자동차의 현가 제어장치 및 그 방법에 관한 것으로, 특히 퍼지추론을 이용하여 쇽 압쇼바의 댐핑값을 가변적으로 결정하여 차량의 승차감을 향상시킨 퍼지추론을 이용한 자동차의 현가 제어장치 및 그 방법에 관한 것이다.
이와 같은 본 발명의 전자제어 현가장치 및 그 방법에서는 차량의 본체에 장착된 전륜 쇽 압쇼바 및 흐륜 쇽 압쇼바를 구비하여 주행중인 차량에서 발생하는 진동이나 충격을 흡수하는 퍼지추론을 이용한 자동차의 현가 제어장치 및 방법에 있어서, 상기 본체에 내장되어 차량의 속도, 횡 가속도 브레이크 작동신호, 드로틀밸브의 열린 정도 및 수직 가속도를 감지하는 감지수단부와, 승차감의 향상을 위하여 상기 감지수단부에서 입력된 수직가속도값을 보정하는 보정 수단부와, 상기 감지수단부 및 보정수단부에서 입력된 변수값으로 퍼지추론을 실행하는 퍼지추론부와, 상기 퍼지추론부에서 출력된 추론 결과의 비 퍼지화를 수행하여 상기 전륜 쇽 압쇼바 및 후륜 쇽 압쇼바의 댐핑값을 출력하는 전자제어부로 이루어져 차량의 주행상태에 따라 댐핑값을 가변하여 차량 안정성 및 승차감과 조정안정성을 향상하는 것이다.

Description

퍼지추론을 이용한 자동차의 현가 제어장치 및 그 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 자동차의 현가 제어장치의 구성도.
제2도는 본 발명에 따른 자동차의 현가 제어장치의 제어 블록도.
제3도는 본 발명에 따른 자동차의 현가 제어장치 및 방법의 제어 흐름도.
제4도는 본 발명에 따른 퍼지추론을 이용한 자동차의 현가 제어장치 및 방법의 퍼지 제어로직 구성도.

Claims (2)

  1. 차량의 본체(10)에 장착된 전륜 쇽 압쇼바(1) 및 후륜 쇽 압쇼바(2)를 구비하여 주행중인 차량에서 발생하는 진동이나 충격을 흡수하는 퍼지추론을 이용한 자동차의 현가 제어장치에 있어서, 상기 본체(10)에 내장되어 차량의 속도, 횡 가속도, 브레이크 작동신호, 드로틀밸브의 열린 정도, 수직가속도를 감지하는 감지수단부(40), 승차감의 향상을 위하여 상기 감지수단부(40)에서 입력된 수직가속도값을 보정하는 보정수단부(50), 상기 감지수단부(40) 및 보정수단부(50)에서 입력된 변수값으로 퍼지추론을 실행하는 퍼지추론부(60), 상기 퍼지추론부(60)에서 출력된 추론 결과의 비퍼지화를 수행하여 상기 전륜 쇽 압쇼바(1)의 댐핑 값 및 후륜 쇽 압쇼바(2)의 댐핑값을 출력하는 전자제어부(8)로 이루어져 차량의 주행상태에 따라 쇽 압쇼바의 댐핑값을 가변하여 차량 안정싱 및 승차감을 향상하는 퍼지추론을 이용한 자동차의 현가 제어장치.
  2. 감지수단부, 보정수단부, 퍼지추론부 및 전자제어부를 구비하여 주행중인 차량에서 발생하는 진동이나 충격을 흡수하는 퍼지추론을 이용한 자동차의 현가 제어방법에 있어서, 차량의 속도가 저속이면, 쇽 압쇼바의 댐핑값을 크게 유지하는 제1법칙, 차량의 속도가 고속이면, 쇽 압쇼바의 댐핑값을 중간으로 유지하는 제2법칙, 차량의 속도가 중속이면, 쇽 압쇼바의 댐핑값을 작게 유지하는 제3법칙, 주행중인 차량이 고속이고, 제동동작이 감지되었다면 쇽 압쇼바의 댐핑값을 크게 유지하는 제4법칙, 주행중인 차량이 고속이고, 드로틀밸브가 많이 열려 있다면 쇽 압쇼바의 댐핑값을 크게 유지하는 제5법칙, 주행중인 차량에서 발생하는 횡가속도가 중간 이상이면 쇽 압쇼바의 댐핑값을 크게 유지하는 제6법칙, 주행중인 차량에서 발생하는 수직가속도가 중간 이상이면 쇽 압쇼바의 댐핑값을 크게 유지하는 제7법칙으로 이루어진 퍼지추론을 이용한 자동차의 현가 제어방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940024021A 1994-09-23 1994-09-23 퍼지추론을 이용한 자동차의 현가 제어장치 및 그 방법 Expired - Fee Related KR0121133B1 (ko)

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KR1019940024021A KR0121133B1 (ko) 1994-09-23 1994-09-23 퍼지추론을 이용한 자동차의 현가 제어장치 및 그 방법

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KR1019940024021A KR0121133B1 (ko) 1994-09-23 1994-09-23 퍼지추론을 이용한 자동차의 현가 제어장치 및 그 방법

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210037796A (ko) 2019-09-27 2021-04-07 (주)화승코퍼레이션 히트덕트 코킹장치
CN114619826A (zh) * 2020-12-11 2022-06-14 财团法人金属工业研究发展中心 悬吊控制装置及控制方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102559648B1 (ko) * 2021-10-21 2023-07-24 전남대학교산학협력단 퍼지 유한 메모리 구조를 이용한 전자 유압 엑추에이터를 포함하는 비선형 능동 서스펜션의 상태추정 방법 및 이를 포함하는 전자장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210037796A (ko) 2019-09-27 2021-04-07 (주)화승코퍼레이션 히트덕트 코킹장치
CN114619826A (zh) * 2020-12-11 2022-06-14 财团法人金属工业研究发展中心 悬吊控制装置及控制方法

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