KR970046588A - 4 → 3 shift shock reduction device and its reduction method during braking - Google Patents

4 → 3 shift shock reduction device and its reduction method during braking Download PDF

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Publication number
KR970046588A
KR970046588A KR1019950068386A KR19950068386A KR970046588A KR 970046588 A KR970046588 A KR 970046588A KR 1019950068386 A KR1019950068386 A KR 1019950068386A KR 19950068386 A KR19950068386 A KR 19950068386A KR 970046588 A KR970046588 A KR 970046588A
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KR
South Korea
Prior art keywords
shift
output
detecting
switch
control unit
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Application number
KR1019950068386A
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Korean (ko)
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KR100270527B1 (en
Inventor
여창기
Original Assignee
전성원
현대자동차 주식회사
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Priority to KR1019950068386A priority Critical patent/KR100270527B1/en
Publication of KR970046588A publication Critical patent/KR970046588A/en
Application granted granted Critical
Publication of KR100270527B1 publication Critical patent/KR100270527B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/0437—Smoothing ratio shift by using electrical signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/38—Inputs being a function of speed of gearing elements
    • F16H59/40—Output shaft speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • F16H59/54—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • F16H2061/026—On-off solenoid valve

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)

Abstract

이 발명은 제동시 4→3 변속 쇼크(Shock) 감소장치 및 그 감소방법에 관한 것으로서, 스로틀의 열린 정도를 감지하는 스로틀 개도 감지부(11)와; 아이들 스위치의 상태를 감지하는 아이들 스위치 감지부(12)와; 브레이크 스위치의 상태를 감지하는 브레이크 스위치 감지부(13)와; 변속기 출력 샤프트의 회전수를 감지하는 출력측 회전수 감지부(14)와; 상기한 각 감지부(11,12,13,14)의 출력을 입력받으며, 일정 조건시 4→3 엔진 브레이크를 작동시키는 출력과 정지전 4→3 변속 제어를 위한 특정 듀티를 출력하는 변속 제어부(15)와; 상기한 변속 제어부(15)의 출력을 입력받아, 유압에 의해 솔레노이드 밸브를 제어하는 유압 제어부(16)를 포함하여 이루어져서, 중·고속 영역에서 OD 스위치의 조작없이 브랭킹(Branking)량에 따라 자동으로 엔진 브레이크를 작동시켜 브레이크 기능을 향상(제동이 단축)시키고, 정지전 4→3 변속 제어시 다양한 운행상태에 따라 가장 적합한 듀티제어를 수행하여 변속 쇼크를 감소시킴으로써, 변속 품질(Shift Quality)를 높이고 승차감을 좋게하는 효과를 가진, 제동시 4→3 변속 쇼크 감소장치 및 그 감소방법에 관한 것이다.The present invention relates to a 4 → 3 shift shock reduction device during braking and a method of reducing the same. An idle switch detector 12 detecting a state of an idle switch; A brake switch detecting unit 13 for detecting a state of a brake switch; An output side rotation speed sensing unit 14 for sensing the rotation speed of the transmission output shaft; A shift control unit which receives the output of each of the sensing units 11, 12, 13, and 14, and outputs an output for operating the 4 → 3 engine brake under a predetermined condition and a specific duty for the 4 → 3 shift control before stopping ( 15); It includes the hydraulic control unit 16 for receiving the output of the shift control unit 15, and controls the solenoid valve by the hydraulic pressure, automatically in accordance with the amount of blanking (Branking) without the operation of the OD switch in the medium and high speed region By operating the engine brake, the brake function is improved (braking is shortened) and the shift quality is reduced by performing the most appropriate duty control according to various driving conditions during the 4 → 3 shift control before stopping, thereby reducing shift shock. The present invention relates to a 4 → 3 shift shock reduction device and a method for reducing the same, which have an effect of increasing the ride quality and improving the ride comfort.

Description

제동시 4→3변속 쇼크 감소장치 및 그 감소방법4 → 3 shift shock reduction device and its reduction method during braking

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

제1도는 이 발명의 실시예에 따른 제동시 4→3변속 쇼크 감소장치를 나타낸 블록도이다,1 is a block diagram showing a 4 to 3 shift shock reduction device during braking according to an embodiment of the present invention.

제2도는 이 발명의 실시예에 따른 제동시 4→3변속 쇼크 감소방법을 나타낸 흐름도이다,2 is a flowchart illustrating a method of reducing a 4 to 3 shift shock during braking according to an exemplary embodiment of the present invention.

제3도는 종래와 이 발명의 실시예에 따른 4→3 변속 제어 패턴을 비교하여 나타낸 그래프이다,3 is a graph illustrating a comparison of a 4 → 3 shift control pattern according to an exemplary embodiment of the present invention.

제4도는 이 발명의 실시예를 적용한 변속 패턴을 상세하게 나타낸 그래프이다.4 is a graph showing in detail the shift pattern to which the embodiment of the present invention is applied.

Claims (4)

스로틀의 열린 정도를 감지하는 스로틀 개도 감지부와; 아이들 스위치의 상태를 감지하는 아이들 스위치 감지부와; 브레이크 스위치의 상태를 감지하는 브레이크 스위치 감지부와; 변속기 출력 샤프트의 회전수를 감지하는 출력측 회전수 감지부와; 상기한 각 감지부의 출력을 입력받으며, 일정 조건시 4→3 엔진 브레이크를 작동시키는 출력과 정지전 4→3 변속 제어를 위한 특정 듀티를 출력하는 변속 제어부와; 상기한 변속 제어부의 출력을 입력받아, 유압에 의해 솔레노이드 밸블르 제어하는 유압 제어부를 포함하여 이루어지는 것을 특징으로 하는 제동시 4→3 변속 쇼크 감소장치.A throttle opening degree detecting unit detecting an opening degree of the throttle; An idle switch detecting unit detecting a state of an idle switch; A brake switch detecting unit detecting a state of a brake switch; An output side rotation speed sensing unit configured to sense a rotation speed of the transmission output shaft; A shift control unit which receives the output of each of the sensing units and outputs an output for operating the 4 → 3 engine brake under a predetermined condition and a specific duty for the 4 → 3 shift control before stopping; And a hydraulic control unit configured to receive the output of the shift control unit and control the solenoid valve by hydraulic pressure. 4. 제동시 4→3 변속인지를 판단하는 제1단계와; 상기한 제1단계에서 제동시 4→3 변속이면, 일정조건시 4→3 엔진 브레이크를 작동하는 제2단계와; 일정 조건시 쇼크를 감소하는 특정 듀티를 출력하는 제3단계를 포함하여 이루어지는 것을 특징으로 하는 제동시 4→3 변속 쇼크 감소방법.A first step of determining whether the shift is 4 → 3 during braking; A second step of operating the 4 → 3 engine brake under a predetermined condition when the speed is 4 → 3 when braking in the first step; And a third step of outputting a specific duty for reducing shock under a predetermined condition. 제2항에 있어서, 상기한 제2단게에서의 일정 조건은 아래와 같은 것을 특징으로 하는 제동시 4→3 변속 쇼크 감소방법.The method of claim 2, wherein the predetermined condition at the second stage is as follows. 제2항에 있어서, 상기한 제3단계에서의 일정 조건은 아래와 같은 것을 특징으로 하는 제동시 4→3 변속 쇼크 감소방법.The method of claim 2, wherein the predetermined condition in the third step is as follows.
KR1019950068386A 1995-12-30 1995-12-30 Automatic transmission control device and method KR100270527B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950068386A KR100270527B1 (en) 1995-12-30 1995-12-30 Automatic transmission control device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950068386A KR100270527B1 (en) 1995-12-30 1995-12-30 Automatic transmission control device and method

Publications (2)

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KR970046588A true KR970046588A (en) 1997-07-26
KR100270527B1 KR100270527B1 (en) 2000-12-01

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KR1019950068386A KR100270527B1 (en) 1995-12-30 1995-12-30 Automatic transmission control device and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828445B1 (en) * 2006-08-21 2008-05-13 현대자동차주식회사 Control Method of Engine Torque at Shift before Stop

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