KR950017622A - 4륜 조향 시스템 - Google Patents

4륜 조향 시스템 Download PDF

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Publication number
KR950017622A
KR950017622A KR1019930027572A KR930027572A KR950017622A KR 950017622 A KR950017622 A KR 950017622A KR 1019930027572 A KR1019930027572 A KR 1019930027572A KR 930027572 A KR930027572 A KR 930027572A KR 950017622 A KR950017622 A KR 950017622A
Authority
KR
South Korea
Prior art keywords
steering
wheel
front wheel
hydraulic pressure
detecting
Prior art date
Application number
KR1019930027572A
Other languages
English (en)
Inventor
이언구
Original Assignee
전성원
현대자동차주식회사
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.)
Filing date
Publication date
Application filed by 전성원, 현대자동차주식회사 filed Critical 전성원
Priority to KR1019930027572A priority Critical patent/KR950017622A/ko
Priority to DE69418858T priority patent/DE69418858T2/de
Priority to PCT/KR1994/000170 priority patent/WO1995016600A1/en
Priority to JP07516677A priority patent/JP3039567B2/ja
Priority to EP95902315A priority patent/EP0682618B1/en
Priority to US08/424,494 priority patent/US5718304A/en
Publication of KR950017622A publication Critical patent/KR950017622A/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
    • B62D7/1554—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a fluid interconnecting system between the steering control means of the different axles
    • B62D7/1563—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a fluid interconnecting system between the steering control means of the different axles provided with fluid control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
    • B62D7/1554—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a fluid interconnecting system between the steering control means of the different axles
    • B62D7/1572—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a fluid interconnecting system between the steering control means of the different axles provided with electro-hydraulic control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/14—Yaw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/18—Steering angle
    • 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
    • B60Y2400/84—Rear wheel steering; All wheel steerings

Abstract

전자제어에 의하여 개별적으로 제어되는 4륜 조향 시스템에 있어서, 후륜의 조향이 차량의 속도, 전륜 조향각 약, 횡 가속도에 따라 좌, 우 조향상태가 최적으로 이루어지도록 독립적으로 작동시킴으로써, 관성력이 작아짐에 따른 순발력 증대와 응답성 향상으로 4륜 조향시스템의 효과를 극대화할 수 있는 4륜 조향시스템을 제공할 목적으로; 스티어링 휠의 조향 방향에 따라 메인펌프로 부터 송출되는 유압을 선택적으로 제어하는 전륜측 방향 제어밸브와, 상기 전륜측 방향 제어밸브로부터 공급되는 유압에 의하여 전륜의 조향이 이루어지도록 하는 전륜 액츄에이터로 이루어진 전륜 조향부와; 상기한 전륜 조향부의 조향에 따라 서브펌프의 유압 경로를 절환시키는 직진/조향 선택밸브와 방향 전환밸브와, 이들 밸브로부터 공급되는 유압에 의하여 후륜의 조향이 이루어지는 하는 후륜 액튜에이터로 각각 독립적으로 이루어지는 좌우측 후륜 조향부와; 상기 스트어링 휠의 조향각을 감지하는 조향각 감지센서와 차속을 감지하는 차속센서, 그리고 횡 가속도 센서, 전륜의 조타량을 감지하는 전륜 조타량 피이드 백 센서의 출력신호를 기입력된 메모리값과 비교하여 밸브들을 선택적으로 제어하는 전자 제어 유닛을 포함하여 이루어지며; 상기에서 각각의 후륜 조향부는 후륜 휠 지지체의 하측을 차체와 연결하여 주는 전, 후 컨트롤 아암 중 후측 아암을 각각의 후륜 액튜에이터가 좌우로 동작시켜 후륜 조향이 각각 독립적으로 이루어지도록 한 4륜 조향 시스템을 제공한다.

Description

4륜 조향 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명이 적용된 4륜 조향 시스템을 개략적으로 나타낸 구성도,
제2도는 본 발명에 의한 4륜 조향 시스템에 있어서의 후륜이 우측으로 조타된 상태의 구성도,
제3도는 본 발명에 의한 후륜 조향 시스템에 있어서의 후륜이 좌측으로 조타된 상태의 구성도이다.

Claims (3)

  1. 스티어링 휠의 조향 방향에 따라 메인펌프로 부터 송출되는 유압을 선택적으로 제어하는 전륜측 방향 제어밸브와, 상기 전륜측 방향 제어밸브로부터 공급되는 유압에 의하여 전륜의 조향이 이루어지도록 하는 전륜 액츄에이터로 이루어진 전륜 조향부와; 상기한 전륜 조향부의 조향에 따라 서브펌프의 유압 경로를 절환시키는 직진/조향 선택밸브와 방향 전환밸브와, 이들 밸브로부터 공급되는 유압에 의하여 후륜의 조향이 이루어지는 하는 후륜 액튜에이터로 각각 독립적으로 이루어지는 좌우측 후륜 조향부와; 상기 스티어링 휠의 조향각을 감지하는 조향각 감지센서와 차속을 감지하는 차속센서, 그리고 횡 가속도 센서, 전륜의 조타량을 감지하는 전륜 조타량 피이드 센서의 출력신호를 기입력된 메모리 값과 비교하여 밸브들을 선택적으로 제어하는 전자 에어 유닛을 포함하여 이루어지며; 상기에서 각각의 후륜 조향부는 후륜 휠 지지체의 하측을 차체와 연결하여 주는 전, 후 컨트롤 아암 중 후측 아암을 각각의 후륜 액튜에이터가 좌우로 동작시켜 후륜 조향이 각각 독립적으로 이루어지도록 한 4륜 조향 시스템.
  2. 제1항에 있어서, 후측 컨트롤 아암의 내측단을 차체의 길이방향으로 배치되어 그의 중간부가 차체에 힌지 연결되는 회동부재의 후측단에 연결하고, 상기 회동부재의 전측단을 후륜 액튜에이터의 피스톤로드와 연결하여 회동부재의 회동에 의하여 후륜의 조향이 이루어지도록 한 4륜 조향 시스템.
  3. 제1항에 있어서, 후측 컨트롤 아암의 내측단을 차체의 길이방향으로 배치되어 그의 후측단이 차체에 힌지 연결되는 회동부재의 중간부에 연결하고, 상기 회동부재의 전측단을 후륜 액튜에이터의 피스톤 로드와 연결하여 회동부재의 회동에 의하여 후륜의 조향이 이루어지도록 한 4륜 조향 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930027572A 1993-12-14 1993-12-14 4륜 조향 시스템 KR950017622A (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1019930027572A KR950017622A (ko) 1993-12-14 1993-12-14 4륜 조향 시스템
DE69418858T DE69418858T2 (de) 1993-12-14 1994-11-22 Vierradlenkungssystem für fahrzeuge
PCT/KR1994/000170 WO1995016600A1 (en) 1993-12-14 1994-11-22 Four-wheel steering system for vehicle
JP07516677A JP3039567B2 (ja) 1993-12-14 1994-11-22 車両用４輪操向システム
EP95902315A EP0682618B1 (en) 1993-12-14 1994-11-22 Four-wheel steering system for vehicle
US08/424,494 US5718304A (en) 1993-12-14 1994-11-22 Four-wheel steering system for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930027572A KR950017622A (ko) 1993-12-14 1993-12-14 4륜 조향 시스템

Publications (1)

Publication Number Publication Date
KR950017622A true KR950017622A (ko) 1995-07-20

Family

ID=19370833

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930027572A KR950017622A (ko) 1993-12-14 1993-12-14 4륜 조향 시스템

Country Status (6)

Country Link
US (1) US5718304A (ko)
EP (1) EP0682618B1 (ko)
JP (1) JP3039567B2 (ko)
KR (1) KR950017622A (ko)
DE (1) DE69418858T2 (ko)
WO (1) WO1995016600A1 (ko)

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Also Published As

Publication number Publication date
WO1995016600A1 (en) 1995-06-22
JPH08506071A (ja) 1996-07-02
DE69418858D1 (de) 1999-07-08
US5718304A (en) 1998-02-17
EP0682618A1 (en) 1995-11-22
JP3039567B2 (ja) 2000-05-08
DE69418858T2 (de) 1999-12-09
EP0682618B1 (en) 1999-06-02

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