KR970034236A - Steering angle neutral determination method for electronically controlled suspension - Google Patents

Steering angle neutral determination method for electronically controlled suspension Download PDF

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Publication number
KR970034236A
KR970034236A KR1019950061929A KR19950061929A KR970034236A KR 970034236 A KR970034236 A KR 970034236A KR 1019950061929 A KR1019950061929 A KR 1019950061929A KR 19950061929 A KR19950061929 A KR 19950061929A KR 970034236 A KR970034236 A KR 970034236A
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KR
South Korea
Prior art keywords
vehicle speed
acceleration
steering angle
current vehicle
electronically controlled
Prior art date
Application number
KR1019950061929A
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Korean (ko)
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KR100245684B1 (en
Inventor
전용원
Original Assignee
전성원
현대자동차 주식회사
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.)
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Priority to KR1019950061929A priority Critical patent/KR100245684B1/en
Publication of KR970034236A publication Critical patent/KR970034236A/en
Application granted granted Critical
Publication of KR100245684B1 publication Critical patent/KR100245684B1/en

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Classifications

    • 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
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10—Acceleration; Deceleration
    • B60G2400/104—Acceleration; Deceleration lateral or transversal with regard to vehicle
    • 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
    • B60G2400/412—Steering angle of steering wheel or column
    • B60G2400/4122—Neutral position detection
    • 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
    • B60G2600/02—Retarders, delaying means, dead zones, threshold values, cut-off frequency, timer interruption
    • 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)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

이 발명은 전자제어 현가장치용 조향각 중립 판정 방법에 관한 것으로서, 전자제어 현가장치를 고장 안전 상태로 만드는 단계와, 현재의 차속을 계산하는 단계와, 조향각 센서에 감지된 조향각을 이용하여 중립 신호가 검출되는지를 판단하는 단계와, 조향각 센서에 중립 신호가 검출되면, 현재의 차속을 제1 기준 차속과 비교하여 크기를 판단하는 단계와, 현재의 차속이 제1 기준 차속보다 크면, 중립 판정을 내리는 단계와, 현재의 차속이 제1 기준 차속보다 작으면, 현재의 차속을 제2 기준 차속과 비교하여 크기를 판단하는 단계와, 현재의 차속이 제2 기준 차속보다 크면, 현재의 차속을 이용하여 횡가속도를 계산하는 단계와, 가속도 센서에서 출력되는 전압을 이용하여 횡가속도를 검출하는 단계와, 상기 계산된 횡가속도와 상기 가속도 센서 검출 횡가속도의 가속비를 구하는 단계와, 상기 가속비가 기준 가속비와 비교하여 크기를 판단하는 단계와, 가속비가 기준 가속비보다 작으면, 임시로 중립 판단을 하는 단계와, 전자제어 현가장치를 가동시키고 리턴하는 단계로 구성되어, 전자 제어 장치가 파워 온된 후에 중립 판정을 행하여, 전자제어 현가장치의 오동작을 방지하는 전자제어 현가장치용 조향각 중립 판정 방법에 관한 것이다.The present invention relates to a steering angle neutral determination method for an electronically controlled suspension, comprising the steps of making the electronically suspended suspension in a fail-safe state, calculating a current vehicle speed, and using a steering angle detected by the steering angle sensor. Determining whether it is detected; if a neutral signal is detected by the steering angle sensor; comparing the current vehicle speed with the first reference vehicle speed; determining the magnitude; and if the current vehicle speed is greater than the first reference vehicle speed, making a neutral determination. Determining the size by comparing the current vehicle speed with the second reference vehicle speed if the current vehicle speed is smaller than the first reference vehicle speed, and using the current vehicle speed if the current vehicle speed is greater than the second reference vehicle speed. Calculating lateral acceleration; detecting lateral acceleration using a voltage output from an acceleration sensor; and calculating the calculated lateral acceleration and the acceleration sensor. Obtaining an acceleration ratio of the acceleration; determining the magnitude of the acceleration ratio compared to the reference acceleration ratio; and if the acceleration ratio is smaller than the reference acceleration ratio, temporarily making a neutral determination; A steering angle neutral determination method for an electronically controlled suspension device, comprising: a step of returning, and performing a neutral determination after the electronic control device is powered on, thereby preventing malfunction of the electronically controlled suspension device.

Description

전자제어 현가장치용 조향각 중립 판정방법Steering angle neutral determination method for electronically controlled suspension

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

제1도는 이 발명의 실시예에 따른 전자제어 현가장치용 조향각 중립 판정 방법의 호름도이다.1 is a schematic diagram of a steering angle neutral determination method for an electronically controlled suspension according to an embodiment of the present invention.

Claims (2)

전자제어 현가장치를 고장 안전 상태로 만드는 단계와, 현재의 차속을 계산하는 단계와, 조향각 센서에 감지된 조향각을 이용하여 중립 신호가 검출되는지를 판단하는 단계와, 조향각 센서에 중립 신호가 검출되면, 현재의 차속을 제1기준 차속과 비교하여 크기를 판단하는 단계와, 현재의 차속이 제1기준 차속보다 크면, 중립 판정을 내리는 단계와, 현재의 차속이 제1기준 차속보다 작으면, 현재의 차속을 제2기준 차속과 비교하여 크기를 판단하는 단계와, 현재의 차속이 제2기준 차속보다 크면, 현재의 차속을 이용하여 횡가속도를 계산하는 단계와, 가속도 센서에서 출력되는 전압을 이용하여 횡가속도를 검출하는 단계와, 상기 계산된 횡가속도와 상기 가속도 센서 검출 횡가속도의 가속비를 구하는 단계와, 상기 가속비가 기준 가속비와 비교하여 크기를 판단하는 단계와, 가속비가 기준가속비보다 작으면, 임시로 중립 판단을 하는 단계와, 전자제어 현가장치를 가동시키고 리턴하는 단계로 이루어지는 것을 특징으로 하는 전자제어 현가장치용 조향각중립 판정 방법.Making the electronically controlled suspension in a fail safe state, calculating the current vehicle speed, determining whether a neutral signal is detected using the steering angle detected by the steering angle sensor, and when the neutral signal is detected by the steering angle sensor. Determining a magnitude by comparing the current vehicle speed with the first reference vehicle speed; if the current vehicle speed is greater than the first reference vehicle speed, making a neutral determination; and if the current vehicle speed is smaller than the first reference vehicle speed, Comparing the vehicle speed with the second reference vehicle speed to determine the magnitude, if the current vehicle speed is greater than the second reference vehicle speed, calculating the lateral acceleration using the current vehicle speed, and using the voltage output from the acceleration sensor. Detecting the lateral acceleration, and obtaining an acceleration ratio of the calculated lateral acceleration and the acceleration sensor detection lateral acceleration, wherein the acceleration ratio is greater than the reference acceleration ratio. And a step of judging the air, temporarily determining if the acceleration ratio is less than the reference acceleration ratio, and starting and returning the electronically controlled suspension. 제1항에 있어서, 상기한 제1기준 차속은 35KPH로 하여 현실적으로 불가능한 횡가속도 검출을 제한하는 것을 특징으로 하는 전자제어 현가장치용 조향각중립 판정 방법.2. The steering angle neutral determination method for electronically controlled suspension according to claim 1, wherein the first reference vehicle speed is 35 KPH to limit the lateral acceleration detection which is practically impossible. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950061929A 1995-12-28 1995-12-28 Electronical control suspension steering angle neutral determination method KR100245684B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950061929A KR100245684B1 (en) 1995-12-28 1995-12-28 Electronical control suspension steering angle neutral determination method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950061929A KR100245684B1 (en) 1995-12-28 1995-12-28 Electronical control suspension steering angle neutral determination method

Publications (2)

Publication Number Publication Date
KR970034236A true KR970034236A (en) 1997-07-22
KR100245684B1 KR100245684B1 (en) 2000-04-01

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Application Number Title Priority Date Filing Date
KR1019950061929A KR100245684B1 (en) 1995-12-28 1995-12-28 Electronical control suspension steering angle neutral determination method

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