KR970034287A - Vehicle's active roll control - Google Patents

Vehicle's active roll control Download PDF

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Publication number
KR970034287A
KR970034287A KR1019950054408A KR19950054408A KR970034287A KR 970034287 A KR970034287 A KR 970034287A KR 1019950054408 A KR1019950054408 A KR 1019950054408A KR 19950054408 A KR19950054408 A KR 19950054408A KR 970034287 A KR970034287 A KR 970034287A
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KR
South Korea
Prior art keywords
vehicle
rotary actuator
valve
control
actuator
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KR1019950054408A
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Korean (ko)
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KR0172637B1 (en
Inventor
배홍용
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정몽원
만도기계 주식회사
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Priority to KR1019950054408A priority Critical patent/KR0172637B1/en
Publication of KR970034287A publication Critical patent/KR970034287A/en
Application granted granted Critical
Publication of KR0172637B1 publication Critical patent/KR0172637B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/06—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid
    • 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
    • B60G17/0152—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 action on a particular type of suspension unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/414—Fluid actuator using electrohydraulic valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/416—Fluid actuator using a pump, e.g. in the line connecting the lower chamber to the upper chamber of the actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/442—Rotary actuator
    • 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
    • B60G2400/40—Steering conditions
    • B60G2400/41—Steering angle
    • 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
    • B60G2400/80—Exterior conditions
    • B60G2400/82—Ground surface
    • 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
    • B60G2600/182—Active control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/90—System Controller type
    • B60G2800/91—Suspension Control
    • B60G2800/912—Attitude Control; levelling control
    • B60G2800/9122—ARS - Anti-Roll System Control

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

Abstract

본 발명은 차량의 전후륜 각각을 위한 센서부, 유압 제어용 밸브 유닛, 로타리 액츄에이터, 제어부 및 유압원을 구비하는 차량용 능동 롤 제어장치에 관한 것이다.The present invention relates to a vehicle active roll control device having a sensor unit, a hydraulic control valve unit, a rotary actuator, a control unit and a hydraulic source for each of the front and rear wheels of the vehicle.

센서부는 차속 센서, 조향각 센서, 그리고 로타리 액츄에이터 회전각 센서등의 3개의 센서로 구성되며, 로타리액츄에이터 회전각센서는 차량의 롤각을 직접적으로 검출하며, 상기 액츄에이터는 비례 방향 제어 밸브로부터 유압 작동유를 공급받아 토오크를 발생시키며 회전운동을 하도록 되고, 액츄에이터의 양단에는 차량의 롤 현상을 제어하기 위해서 로타리 액츄에이터를 중심으로 서로 반대방향으로 상대운동을 하도록 구성된 스테빌라이저 바가 부착되어 최대 회전각이 제한된다.The sensor unit consists of three sensors: a vehicle speed sensor, a steering angle sensor, and a rotary actuator rotation angle sensor. The rotary actuator rotation angle sensor directly detects the roll angle of the vehicle, and the actuator supplies hydraulic oil from the proportional directional control valve. Receiving torque to generate a rotational movement, both ends of the actuator is attached to the stabilizer bar configured to move relative to each other in the opposite direction around the rotary actuator to control the roll phenomenon of the vehicle is limited the maximum rotation angle.

비례 방향 제어밸브는 텐덤센터형 비례 방향 제어 밸브로서, 로타리 액츄에이터의 회전 방향과 회전각을 결정하며, 차량이 평탄로를 주행할때와 같이 제어 장치의 작동이 불필요할때 펌프의 유압토출량을 모두 바이패스시키도록 구성한 것이다.Proportional directional control valve is a tandem center proportional directional control valve that determines the rotation direction and angle of rotation of the rotary actuator. When the operation of the control device is unnecessary, such as when the vehicle runs on a flat road, It is configured to bypass.

Description

차량의 능동 롤 제어장치Vehicle's active roll control

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

제3도는 본원 발명에 따른 로타리 액츄에이터와 회전 변위센서가 장착된 스테빌라이저 바의 구성을 나타낸 예시도.3 is an exemplary view showing the configuration of a stabilizer bar equipped with a rotary actuator and a rotation displacement sensor according to the present invention.

제4도는 본 발명에 따른 능동롤 제어장치를 개략적으로 나타낸 블럭도.Figure 4 is a block diagram schematically showing an active roll control apparatus according to the present invention.

제5도는 본 발명의 전 후방 능동 롤 제어장치에 모터 구동형 유압펌프가 이용되는 것을 나타낸 예시도.5 is an exemplary view showing that the motor-driven hydraulic pump is used in the front and rear active roll control device of the present invention.

제6도는 본 발명의 전 후방 능동 롤 제어장치에 엔진구동형 유압펌프를 이용되는 것을 나타낸 예시도.6 is an exemplary view showing the use of an engine-driven hydraulic pump in the front and rear active roll control device of the present invention.

Claims (8)

차량의 전후륜 각각을 위한 센서부, 유압 제어용 밸브 유닛, 로타리 액츄에이터, 제어부 및 유압원을 구비하는 차량용 능동 롤 제어장치에 있어, 상기 센서부는 차속센서, 조향각센서, 로타리 액츄에이터 회전각센서로 구성되며, 상기 밸브유닛은 비례 방향제어밸브와 온/오프밸브로 구성되며, 상기 비례 방향제어 밸브는 개도조정에 의해서 로타리 액츄에이터의 회전 방향과 회전각을 결정하며, 상기 온/오프 밸브는 로타리 액츄에이터의 양포트사이에 배치되며, 상기 액츄에이터는 비례 방향 제어 밸브로부터 유압 작동유를 공급받아 토오크를 발생하며 회전운동을 하며, 액츄에이터의 양단에는 차량의 롤 현상을 제어하기 위해서 로타리 액츄에이터를 중심으로 서로 반대방향으로 상대운동을 하는 스테빌라이저 바가 부착되어 최대 회전각이 제한됨으로써 기계적으로 차량의 임계 롤각을 설정하도록 구성되어, 상기 제어부가 상기 센서들로부터 차량의 정보를 검출하여 검출된 정보를 기초로 전후륜 유압밸브유닛에 부과되는 전류를 조절하여 밸브유닛의 방향 또는 개도를 조정하여 액츄에이터 작동을 제어하는 것을 특징으로 하는 차량용 능동 롤 제어장치.In an active roll control device for a vehicle having a sensor unit, a hydraulic control valve unit, a rotary actuator, a control unit, and a hydraulic source for each of the front and rear wheels of the vehicle, the sensor unit includes a vehicle speed sensor, a steering angle sensor, and a rotary actuator rotation angle sensor. The valve unit includes a proportional direction control valve and an on / off valve, and the proportional direction control valve determines the rotation direction and the rotation angle of the rotary actuator by adjusting the opening degree, and the on / off valve is the amount of the rotary actuator. Arranged between the ports, the actuator receives the hydraulic oil from the proportional directional control valve to generate a torque and rotate the movement, and the opposite ends of the actuator in the opposite direction around the rotary actuator to control the roll phenomenon of the vehicle Stabilizer bar attached to exercise limits maximum rotation angle It is configured to mechanically set the critical roll angle of the vehicle, the control unit detects the information of the vehicle from the sensors to adjust the current applied to the front and rear wheel hydraulic valve unit based on the detected information to the direction or opening degree of the valve unit Active roll control device for a vehicle, characterized in that for controlling the operation of the actuator by adjusting. 제1항에 있어서, 상기 비례 방향제어밸브가 텐덤센터형 비례 방향제어밸브로서, 로타리 액츄에이터의 회전방향과 회전각을 결정하며, 차량이 평단로를 주행할때와 같이 제어 장치의 작동이 불필요할때 펌프의 유압 토출량을 모두 바이패스시키도록 구성되는 것을 특징으로 하는 차량용 능동 롤 제어장치.The proportional direction control valve according to claim 1, wherein the proportional direction control valve is a tandem center proportional direction control valve, which determines the rotation direction and the rotation angle of the rotary actuator, and the operation of the control device is unnecessary, such as when the vehicle runs on a flat road. When the hydraulic discharge amount of the pump is all configured to bypass the active roll control device for a vehicle. 제1항 또는 제2항에 있어서, 차량 운전중 필요에 따라, 평탄로 주행시에는 상기 비례제어밸브 및 온/오프 밸브의 개도를 열어 액츄에이터가 자유롭게 회전 가능하도록 함으로써 스테빌라이저의 강성을 거의 "0"(영)으로 만들며, 시스템 고장등의 작동불량시에는 상기 비례제어밸브 및 온/오프 밸브의 개도를 닫도록 구성되는 것을 특징으로 하는 차량용 능동 롤 제어장치.3. The stabilizer according to claim 1 or 2, wherein the stiffness of the stabilizer is substantially " 0 " by opening the proportional control valve and the on / off valve so that the actuator can freely rotate when the flat road is driven as needed during vehicle driving. It is made of (zero), the active roll control device for a vehicle, characterized in that configured to close the opening degree of the proportional control valve and the on / off valve in the event of a malfunction such as system failure. 제1항 또는 제2항에 있어서, 비례 솔레노이드에 의해 제어되는 개도절환을 통해서 방출유량을 조절하며, 상기 개도는 댐핑 오리피스의 역할을 하며, 이로써, 방향제어밸브의 개도절환에 따른 방출유량의 조정에 의해 유압로타리 액츄에이터의 강성을 제어하는 것을 특징으로 하는 차량용 능동 롤 제어장치.3. The method according to claim 1 or 2, wherein the discharge flow rate is adjusted through an opening switching controlled by a proportional solenoid, the opening opening acts as a damping orifice, thereby adjusting the discharge flow rate according to the opening switching of the directional control valve. The roll control device for a vehicle, characterized in that for controlling the rigidity of the hydraulic rotary actuator. 제1항 제2항에 있어서, 로타리 액츄에이터에는 차량의 자세를 직접 검출하도록 회전각 센서가 부착되며, 기준이 되는 중량을 이용하여 피드 포워드 제어를 하고, 액츄에이터 회전각을 피드백하여 만족할만한 최소의 롤각이 획득될 때까지 제어를 반복수행하고 기타의 조건변화에 의한 추가의 롤 각만을 제어하는 것을 특징으로하는 차량용 능동 롤 제어 장치.The rotary actuator is provided with a rotation angle sensor to directly detect a vehicle's posture, feed forward control is performed using a reference weight, and a minimum roll angle is satisfied by feeding back the actuator rotation angle. And repeats the control until it is obtained and controls only the additional roll angle due to other condition changes. 제1항 또는 제5항에 있어서, 상기 제어부는 차량의 운행 조건으로부터 롤각이 발생하게되면, 이것을 로타리회전각 센서로부터 검출하여 연산제어작용을 시작하며, 이때 조향센서와 차속센서로부터 검출되는 정보를 차량 동역학을 기초로 연산하여 피드포워드 제어를 수행하며, 전류값을 PWM(Pulse Width Modulation : 펄스 폭 변조)등 여러가지 방법으로 제어 및 출력하여 각각의 밸브를 제어하며, 밸브의 동작에 의해 전' 후륜로타리 액츄에이터에 유입되는 유량을 제어하고 로타리 액츄에이터의 회전각을 제어하여 최종적으로 차량의 롤각을 제어하며, 이때, 로타리 액츄에이터의 회전각이 최초의 입력으로 피드백되어 만족할만한 최소의 롤각이 획득될 때까지 제어를 반복수행하는 것을 특징으로 하는 차량용 능동 롤 제어장치.The method according to claim 1 or 5, wherein when the roll angle is generated from the driving conditions of the vehicle, the control unit detects this from the rotary rotation angle sensor and starts the operation control operation, wherein the information detected from the steering sensor and the vehicle speed sensor is detected. Performs feedforward control based on vehicle dynamics, controls and outputs current values by various methods such as PWM (Pulse Width Modulation) and controls each valve. The roll angle of the vehicle is finally controlled by controlling the flow rate flowing into the rotary actuator and the rotation angle of the rotary actuator, and the rotation angle of the rotary actuator is fed back to the first input until a satisfactory minimum roll angle is obtained. An active roll control device for a vehicle, characterized in that the control is repeatedly performed. 제1항 또는 제2항에 있어서, 상기 유압원이 릴리이프 밸브 부착형의 모터 구동형 유압펌프로 구성되는 것을 특징으로 하는 차량용 능동 롤 제어 장치.The active roll control apparatus for a vehicle according to claim 1 or 2, wherein the hydraulic pressure source comprises a motor-driven hydraulic pump with a relief valve type. 제1항 또는 제2항에 있어서, 상기 유압원이 릴리이프 밸브 부착형의 엔진 구동형 유압펌프로 구성되는 것을 특징으로 하는 차량용 능동 롤 제어장치.The active roll control apparatus for a vehicle according to claim 1 or 2, wherein the hydraulic pressure source is constituted by an engine driven hydraulic pump with a relief valve type. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950054408A 1995-12-22 1995-12-22 Active roll control device for a vehicle KR0172637B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950054408A KR0172637B1 (en) 1995-12-22 1995-12-22 Active roll control device for a vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950054408A KR0172637B1 (en) 1995-12-22 1995-12-22 Active roll control device for a vehicle

Publications (2)

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KR970034287A true KR970034287A (en) 1997-07-22
KR0172637B1 KR0172637B1 (en) 1999-02-18

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KR1019950054408A KR0172637B1 (en) 1995-12-22 1995-12-22 Active roll control device for a vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050054580A (en) * 2003-12-05 2005-06-10 현대자동차주식회사 A four wheel independence stabilizer bar structure for controlling damping force of damper

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100501116B1 (en) * 2002-09-25 2005-07-18 기아자동차주식회사 Apparatus for controlling roll angle for car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050054580A (en) * 2003-12-05 2005-06-10 현대자동차주식회사 A four wheel independence stabilizer bar structure for controlling damping force of damper

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