KR20200069450A - 액티브 서스펜션 제어유닛 및 액티브 서스펜션 제어방법 - Google Patents
액티브 서스펜션 제어유닛 및 액티브 서스펜션 제어방법 Download PDFInfo
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- 239000000725 suspension Substances 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims description 31
- 230000006641 stabilisation Effects 0.000 claims abstract description 6
- 238000011105 stabilization Methods 0.000 claims abstract description 6
- 230000001133 acceleration Effects 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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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
-
- 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
- B60G21/04—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 mechanically
- B60G21/05—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 mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
- B60G21/0553—Mounting means therefor adjustable
- B60G21/0555—Mounting means therefor adjustable including an actuator inducing vehicle roll
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- 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
- B60G21/04—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 mechanically
- B60G21/05—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 mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
- B60G21/0553—Mounting means therefor adjustable
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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
- B60G17/016—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
- 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
- B60G17/0157—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 non-fluid unit, e.g. electric motor
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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
- B60G17/016—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
- B60G17/0162—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 mainly during a motion involving steering operation, e.g. cornering, overtaking
-
- 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
-
- 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
- B60G21/026—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 transversally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/82—Interactive suspensions; arrangement affecting more than one suspension unit left and right unit on same axle
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- 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
- B60G2400/10—Acceleration; Deceleration
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- 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
- B60G2400/10—Acceleration; Deceleration
- B60G2400/102—Acceleration; Deceleration vertical
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- 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
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- 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
- B60G2400/206—Body oscillation speed; Body vibration frequency
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- 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
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- 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
- B60G2800/01—Attitude or posture control
- B60G2800/012—Rolling condition
- B60G2800/0122—Roll rigidity ratio; Warping
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- 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
- B60G2800/70—Estimating or calculating vehicle parameters or state variables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
도 2는 본 발명에 따른 액티브 서스펜션 제어유닛의 구조도이며,
도 3은 본 발명에 따른 액티브 서스펜션 제어방법의 순서도이고,
도 4는 본 발명에 따른 액티브 서스펜션 제어유닛 및 제어방법을 사용했을 때의 수직력 유동이 감소된 모습을 나타낸 도면이다.
200: 제2제어부
210: 전륜제2제어부
220: 후륜제2제어부
300: 액츄에이터
310: 전륜액츄에이터
320: 후륜액츄에이터
Claims (12)
- ARS(Active Roll Stabilization) 구조로 마련되어 서스펜션의 반응 특성을 가변적으로 조절하는 액츄에이터; 및
센서로 입력받는 정보를 통해 주행 상황을 판단하고, 주행 상황에 따라 미리 설정된 서스펜션 수직력 목표값과, 좌륜과 우륜의 서스펜션 수직속도 차이에 의해 발생되는 외란값을 이용하여 액츄에이터의 최종목표제어값을 계산하는 제어부;를 포함하는 액티브 서스펜션 제어유닛.
- 청구항 1에 있어서,
제어부는 서스펜션 수직력 목표값을 출력하는 제1제어부; 및
제1제어부에서 전송받은 서스펜션 수직력 목표값을 통해 계산된 제1목표제어값 및 외란값을 이용하여 계산된 제2목표제어값을 합산하여 최종목표제어값을 계산하는 제2제어부;를 포함하는 것을 특징으로 하는 액티브 서스펜션 제어유닛.
- 청구항 2에 있어서,
제2제어부는 제1제어부에서 좌륜 또는 우륜 중 적어도 어느 하나의 서스펜션 수직력 목표값을 입력받고, 하기 식 1을 이용하여 액츄에이터의 제1목표제어값을 계산하는 것을 특징으로 하는 액티브 서스펜션 제어유닛.
식 1: τGc=GcFR,d / τGc=GcFL,d
단, τGc는 제2제어부 제1목표제어값, Gc는 제2제어부의 제어함수, FR,d는 우륜 서스펜션 수직력 목표값, FL,d는 좌륜 서스펜션 수직력 목표값이다.
- 청구항 2에 있어서,
제2제어부는 우륜 서스펜션 수직속도와 좌륜 서스펜션 수직속도를 각각 입력받아 외란값(VR-VL)을 계산하고, 하기 식 2를 이용하여 액츄에이터의 제2목표제어값을 계산하는 것을 특징으로 하는 액티브 서스펜션 제어유닛.
식 2: τY2=Y2(VR-VL)
단, τY2는 제2제어부 제2목표제어값, Y2는 제2제어부의 제어함수, VR은 우륜 서스펜션 수직속도, VL은 좌륜 서스펜션 수직속도이다.
- 청구항 4에 있어서,
제2제어부는 수직속도 추정모듈로부터 우륜 서스펜션 수직속도와 좌륜 서스펜션 수직속도를 각각 입력받는 것을 특징으로 하는 액티브 서스펜션 제어유닛.
- 청구항 5에 있어서,
수직속도 추정모듈은 차체 가속도센서와 휠 가속도센서에서 측정된 가속도 차이를 이용하여 서스펜션 수직속도를 추정하는 것을 특징으로 하는 액티브 서스펜션 제어유닛.
- 청구항 2에 있어서,
제2제어부는 서스펜션 수직력 목표값을 이용하여 계산된 액츄에이터의 제1목표제어값과, 외란값을 이용하여 계산된 액츄에이터의 제2목표제어값을 합산하여 최종목표제어값을 계산하는 것을 특징으로 하는 액티브 서스펜션 제어유닛.
- 주행 상황에 따라 서스펜션 수직력 목표값을 산출하는 단계;
우륜 서스펜션 수직속도와 좌륜 서스펜션 수직속도를 추정하여 외란값을 산출하는 단계;
서스펜션 수직력 목표값을 이용하여 액츄에이터의 제1목표제어값을 계산하고, 외란값을 이용하여 액츄에이터의 제2목표제어값을 계산하며, 제1목표제어값 및 제2목표제어값을 합산하여 최종목표제어값을 계산하는 단계; 및
계산된 액츄에이터의 최종목표제어값을 이용하여 액츄에이터를 작동시키는 단계;를 포함하는 액티브 서스펜션 제어방법.
- 청구항 8에 있어서,
액츄에이터의 최종목표제어값을 계산하는 단계는 하기 식1을 이용하여 서스펜션 수직력 목표값으로부터 액츄에이터의 제1목표제어값을 계산하고, 하기 식 2를 이용하여 외란값으로부터 액츄에이터의 제2목표제어값을 계산하는 것을 특징으로 하는 액티브 서스펜션 제어방법.
식 1: τGc=GcFc,R
식 2: τY2=Y2(VR-VL)
단, τGc는 제2제어부 제1목표제어값, Gc는 제2제어부의 제어함수, Fc는 우륜 서스펜션 수직력 목표값, τY2는 제2제어부 제2목표제어값, Y2는 제2제어부의 제어함수, VR은 우륜 서스펜션 수직속도, VL은 좌륜 서스펜션 수직속도이다.
- 청구항 8에 있어서,
서스펜션 수직력 목표값을 산출하는 단계는 주행 상황에 따라 미리 설정된 서스펜션 수직력 목표값을 출력하는 것을 특징으로 하는 액티브 서스펜션 제어방법.
- 청구항 8에 있어서,
외란값을 산출하는 단계는 우륜 서스펜션 수직속도와 좌륜 서스펜션 수직속도의 차이를 계산하여 외란값을 출력하는 것을 특징으로 하는 액티브 서스펜션 제어방법.
- 청구항 11에 있어서,
외란값을 산출하는 단계는 차체의 가속도와 휠의 가속도 차이를 이용하여 우륜 서스펜션 수직속도와 좌륜 서스펜션 수직속도를 각각 추정하는 것을 특징으로 하는 액티브 서스펜션 제어방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180156325A KR102589031B1 (ko) | 2018-12-06 | 2018-12-06 | 액티브 서스펜션 제어유닛 및 액티브 서스펜션 제어방법 |
| US16/414,528 US11052718B2 (en) | 2018-12-06 | 2019-05-16 | Active suspension control unit and method |
| DE102019114824.3A DE102019114824A1 (de) | 2018-12-06 | 2019-06-03 | Aktive-aufhängung-steuerungseinheit und -verfahren |
| CN201910496510.5A CN111284287B (zh) | 2018-12-06 | 2019-06-10 | 主动式悬架控制单元及方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180156325A KR102589031B1 (ko) | 2018-12-06 | 2018-12-06 | 액티브 서스펜션 제어유닛 및 액티브 서스펜션 제어방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200069450A true KR20200069450A (ko) | 2020-06-17 |
| KR102589031B1 KR102589031B1 (ko) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180156325A Active KR102589031B1 (ko) | 2018-12-06 | 2018-12-06 | 액티브 서스펜션 제어유닛 및 액티브 서스펜션 제어방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11052718B2 (ko) |
| KR (1) | KR102589031B1 (ko) |
| CN (1) | CN111284287B (ko) |
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| DE102020111915B3 (de) * | 2020-05-04 | 2021-06-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zur Ermittlung von Fahrzeugkenngrößen |
| US11865891B2 (en) * | 2020-10-30 | 2024-01-09 | GM Global Technology Operations LLC | Method and system for active roll control |
| CN115214281B (zh) * | 2021-11-12 | 2023-12-15 | 广州汽车集团股份有限公司 | 一种车辆悬挂调节方法、装置及存储介质 |
| US12202306B2 (en) * | 2022-07-11 | 2025-01-21 | DRiV Automotive Inc. | Vehicle control systems and methods based on trailer hitch joint forces |
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| US20200180381A1 (en) | 2020-06-11 |
| KR102589031B1 (ko) | 2023-10-17 |
| US11052718B2 (en) | 2021-07-06 |
| CN111284287A (zh) | 2020-06-16 |
| CN111284287B (zh) | 2024-08-06 |
| DE102019114824A1 (de) | 2020-06-10 |
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