KR20080086249A - 마스터실린더 압력센서 오프셋 보정방법 - Google Patents
마스터실린더 압력센서 오프셋 보정방법 Download PDFInfo
- Publication number
- KR20080086249A KR20080086249A KR1020070028217A KR20070028217A KR20080086249A KR 20080086249 A KR20080086249 A KR 20080086249A KR 1020070028217 A KR1020070028217 A KR 1020070028217A KR 20070028217 A KR20070028217 A KR 20070028217A KR 20080086249 A KR20080086249 A KR 20080086249A
- Authority
- KR
- South Korea
- Prior art keywords
- pressure sensor
- offset
- brake pedal
- state
- pedal switch
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
- B60T8/17551—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve determining control parameters related to vehicle stability used in the regulation, e.g. by calculations involving measured or detected parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/10—ABS control systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/30—ESP control system
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- 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
- B60Y2400/30—Sensors
- B60Y2400/306—Pressure sensors
Abstract
Description
Claims (3)
- 주행중 브레이크 페달을 밟지 않은 상태에서 마스터실린더 압력센서의 출력전압의 평균으로 오프셋값을 설정하는 것을 특징으로 하는 마스터실린더 압력센서 오프셋 보정방법.
- 차량이 시동되면 ECU에서 브레이크 페달 스위치의 온/오프 상태를 체크하여 현재 브레이크 페달 스위치가 오프상태이면 제동 상태가 아닌 것으로 판단하는 단계와,브레이크 페달 스위치가 오프상태이면, 악셀러레이트 페달 스위치의 온/오프 여부를 감지함과 아울러 차속이 10Km/h 이상인지를 체크하여 현재 차량이 주행 상태인지를 파악하는 단계와,차량이 주행중이라고 판단되면 압력센서의 압력이 15bar 이하이고, 압력센서의 압력 변화량이 30초간 2bar 이하이면 오프셋 보정 상태로 판단하는 단계와,압력센서 오프셋 보정 상태로 판단되면 오프셋 보정 카운터를 증가시킴과 아울러 오프셋 보정 카운터가 규정치 이상 지속되는지를 판단하는 단계와,오프셋 보정 카운터가 규정치 이상 지속되면 그 동안의 보정 카운터의 평균을 구하고 이 값을 압력센서 오프셋 배열에 추가하며 저장된 오프셋 배열들의 평균값을 구하여 이를 오프셋값으로 사용하는 단계로 구성함을 특징으로 하는 마스터실린더 압력센서 오프셋 보정방법.
- 제2항에 있어서,상기한 브레이크 페달 스위치의 신호가 온/오프로 변화될 때 브레이크 페달 스위치가 채터링하면 비정상으로 판단하고 채터링하지 않으면 정상 상태로 판단하는 단계를 포함함을 특징으로 하는 마스터실린더 압력센서 오프셋 보정방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070028217A KR100863545B1 (ko) | 2007-03-22 | 2007-03-22 | 마스터실린더 압력센서 오프셋 보정방법 |
Applications Claiming Priority (1)
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KR1020070028217A KR100863545B1 (ko) | 2007-03-22 | 2007-03-22 | 마스터실린더 압력센서 오프셋 보정방법 |
Publications (2)
Publication Number | Publication Date |
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KR20080086249A true KR20080086249A (ko) | 2008-09-25 |
KR100863545B1 KR100863545B1 (ko) | 2008-10-15 |
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KR1020070028217A KR100863545B1 (ko) | 2007-03-22 | 2007-03-22 | 마스터실린더 압력센서 오프셋 보정방법 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101404088B1 (ko) * | 2010-05-13 | 2014-06-05 | 주식회사 만도 | 브레이크 페달 센서의 고장 검출 방법 |
KR20150086968A (ko) | 2014-01-21 | 2015-07-29 | 주식회사 만도 | 브레이크의 마스터 실린더 압력 추정 방법 |
CN107487280A (zh) * | 2016-07-06 | 2017-12-19 | 宝沃汽车(中国)有限公司 | 整车控制器、车辆控制系统、车辆和踏板信号的补偿方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101272923B1 (ko) | 2011-11-10 | 2013-06-11 | 기아자동차주식회사 | 하이브리드 차량의 엔진클러치 압력센서 진단방법 |
KR101601460B1 (ko) | 2014-08-04 | 2016-03-09 | 현대자동차주식회사 | 압력센서 오프셋 보정 시스템 및 방법 |
KR102249759B1 (ko) | 2017-04-11 | 2021-05-07 | 현대자동차주식회사 | 압력센서의 옵셋 보정 방법 |
KR102390258B1 (ko) * | 2017-09-29 | 2022-04-26 | 현대모비스 주식회사 | 마스터 실린더 압력센서의 오프셋 보정 장치 및 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0364653A (ja) * | 1989-07-31 | 1991-03-20 | Japan Electron Control Syst Co Ltd | 内燃機関の筒内圧力検出装置 |
KR100280556B1 (ko) * | 1999-02-01 | 2001-01-15 | 김영환 | 반도체 노광장비용 얼라인키 |
DE10030935A1 (de) * | 2000-06-24 | 2002-01-03 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Kalibrieren eines Drucksensors in einem Kraftstoffzumesssystem |
KR100751261B1 (ko) * | 2004-04-28 | 2007-08-23 | 주식회사 만도 | 마스터실린더 압력 보정장치 및 방법 |
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2007
- 2007-03-22 KR KR1020070028217A patent/KR100863545B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101404088B1 (ko) * | 2010-05-13 | 2014-06-05 | 주식회사 만도 | 브레이크 페달 센서의 고장 검출 방법 |
KR20150086968A (ko) | 2014-01-21 | 2015-07-29 | 주식회사 만도 | 브레이크의 마스터 실린더 압력 추정 방법 |
CN107487280A (zh) * | 2016-07-06 | 2017-12-19 | 宝沃汽车(中国)有限公司 | 整车控制器、车辆控制系统、车辆和踏板信号的补偿方法 |
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KR100863545B1 (ko) | 2008-10-15 |
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