KR950028978A - 급경사 및 급커브 주행시의 시프트패턴 제어장치 및 그 방법 - Google Patents

급경사 및 급커브 주행시의 시프트패턴 제어장치 및 그 방법 Download PDF

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KR950028978A
KR950028978A KR1019940007178A KR19940007178A KR950028978A KR 950028978 A KR950028978 A KR 950028978A KR 1019940007178 A KR1019940007178 A KR 1019940007178A KR 19940007178 A KR19940007178 A KR 19940007178A KR 950028978 A KR950028978 A KR 950028978A
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road
curve
current
speed
driving
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KR1019940007178A
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유진호
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전성원
현대자동차 주식회사
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Priority to KR1019940007178A priority Critical patent/KR950028978A/ko
Priority to JP7080319A priority patent/JPH07304351A/ja
Priority to US08/417,693 priority patent/US5598335A/en
Publication of KR950028978A publication Critical patent/KR950028978A/ko

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    • 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
    • F16H61/10—Controlling shift hysteresis
    • 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
    • F16H61/0204—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
    • 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
    • F16H59/60—Inputs being a function of ambient conditions
    • F16H59/66—Road conditions, e.g. slope, slippery
    • F16H2059/663—Road slope
    • 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
    • F16H61/0204—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F16H2061/0234—Adapting the ratios to special vehicle conditions
    • 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
    • F16H61/0204—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F16H2061/0234—Adapting the ratios to special vehicle conditions
    • F16H2061/0237—Selecting ratios for providing engine braking
    • 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
    • F16H2061/0258—Proportional solenoid valve
    • 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
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/24—Inputs being a function of torque or torque demand dependent on the throttle opening
    • 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
    • F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • 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
    • F16H59/58—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the steering
    • 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
    • F16H59/60—Inputs being a function of ambient conditions
    • F16H59/66—Road conditions, e.g. slope, slippery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S477/00—Interrelated power delivery controls, including engine control
    • Y10S477/901—Control signal is slope

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Controls For Constant Speed Travelling (AREA)
  • Traffic Control Systems (AREA)
  • Control Of Velocity Or Acceleration (AREA)

Abstract

주행도로의 경사상태 및 굴곡상태를 감지하여 그에 해당하는 전기적인 신호를 출력하는 경사 및 커브 감지부와 ; 운전자의 핸들조작에 따른 조향각을 감지하여 그에 해당하는 전기적인 신호를 출력하는 조향각 감지부와 ;가속페달에 연동하는 스로틀밸브의 개도량을 감지하여 그에 해당하는 전기적인 신호를 출력하는 스로틀밸브 감지부와 ; 현재주행차량의 차속을 감지하여 그에 해당하는 전기적인 신호를 출력하는 차속감지부와 ; 시동이걸려 전원이 인가되며 주행도로의 상태와 핸들의 조작상태 그리고 현재 주행차량의 차속을 감지한 다음, 운전자가 감속하고자 하는 현재 주행도로가 오르막길이거나 내리막길 또는, 커브길이고 현재차량이 설정속도이상으로 주행하고 있는 경우에, 현재의 시프트 패턴을 홀딩하여 유지시키는 변속제어부로 이루어지는 급경사 및 급커브주행시의 시프트 패턴 제어장치는, 급경사가 진 오르막길이나 내리막길 그리고 급커브를 주행하는 경우에 운전자의 감속의지가 정속주행의지에 따라 일정속도 이상인 경우에는 현재의 시프트 패턴을 유지시켜, 업시프트로 인한 사고의 위험성을 감소시킬 수 있고, 그 제어방법을 제공할 수 있다.

Description

급경사 및 급커브 주행시의 시프트패턴제어장치 및 그 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 이 발명의 실시예에 따른 급경사 및 급커브 주행시의 시프트 패턴 제어장치의 구성블럭도이고, 제2도의 (가)는 이 발명의 실시예에 따른 급경사 및 급커브 주행시의 시프트패턴 제어장치 경사/커브 감지부의 상세 회로도이고, 제2도의 (나)는 이 발명의 실시예에 따른 주행도로이 경사 및 커브를 감지하는 장치의 구성도이고, 제3도의 (가)는 이 발명의 실시예에 따른 급경사 및 급커브 주행시의 시프트 패턴 제어방법의 동작 순서도이고, 제3도의 (나)는 발명의 실시예에 따른 급경사 및 주행시의 시프트 패턴 제어방법의 서브루틴의 동작순서도이다.

Claims (6)

  1. 주행도로의 경사상태 및 굴곡상태를 감지하여 그에 해당하는 전기적인 신호를 출력하는 경사 및 커브감지부와 ;운전자의 핸들조작에 따른 조향각을 감지하여 그에 해당하는 전기적인 신호를 출력하는 조향각 감지부와 ; 가속페달에 연동하는 스로틀 밸브의 개도량을 감지하여 그에 해당하는 전기적인 신호를 출력하는 스로틀밸브감지부와 ;현재 주행차량의 차속을 감지하여 그에 해당하는 전기적인 신호를 출력하는 차속감지부와 ; 시동이 걸려 전원이인가되며 주행도로의 상태와 핸들의 조작상태 그리고 현재 주행차량의 차속을 감지한 다음, 운전자가 감속하고자 하고 현재 주행도로가 오르막길이거나 내리막길 또는, 커브길이고 현재 차량이 설정속도이상으로 주행하고 있는 경우에, 현재의 시프트 패턴을 홀딩하여 유지시키는 변속 제어부로 이루어지는 것을 특징으로 하는 급경사 및 급커브 주행시의 시프트 패턴 제어장치.
  2. 제1항에 있어서, 상기한 경사 및 커브 감지부는 저항력을 가지는 유체에 담겨진 구형태의 매스와, 상기 매스와 휘어지지 않는 강선으로 연결된 가변저항과, 상기 매스의 진동으로 인하여 변하는 가변저항의 저항값에 따라 그에 해당하는 전압을 출력하는 전압출력부로 이루어어지는 것을 특징으로 하는 급경사 및 급커브 주행시의 시프트 패턴 제어장치.
  3. 제1항에 있어서, 상기한 변속 제어부는 경사 및 커브 감지부에서 출력되는 전압을 실험에 의하여 설정된 전압과 비교하여, 현재의 주행도로가 오르막길인지 아니면 내리막길인지를 판단하고, 조향각 감지부의 경사 및 커브 감지부에서 출력되는 신호의 차이를 연산하여, 그연산된값이 설정각이상인 경우에 현재 주행도로가 커브길인 것으로 판단하는 것을 특징으로 하는 급경사 및 급커브 주행시의 시프트 패턴 제어장치.
  4. 시동이 걸려전원이 인가되면 모든 작동회로와 사용변수를 초기화하고, 현재 주행도로의 경사 및 굴곡상태와, 운전자의 핸들조작에 따른 제1조향각을 감지하는 단계와 ;시간당 스로틀 밸브의 개도량변화를 감지하여 운전자의 감속의지를 판단하고, 현재의 차속을 감지하는 단계와; 상기에서 감지된 주행도로의 상태를 판단하여 현재 주행도로가 내리막길, 또는 오르막길 또는 커브길인 경우에는 각각에 해당하는 플래그를 세팅하고, 현재 주행차속이 설정속도 이상인지를 판단하는 단계와 ;상기에서 현재 주행도로가 내리막길 또는 오르막길 또는 커브길이고, 현재 차속이 설정속도 이상인 경우에, 인터럽트를 발생하여 주행도로 특성에 따른 제어루틴을 수행한 다음 종료하는 단계로 이루어지는 것을 특징으로 하는 급경사 및 급커브 주행시의 시프트 패턴 제어방법.
  5. 제4항에 있어서, 상기 주행도로의 상태를 판단하는 단계에 있어서, 경사 및 커브감지부에서 출력되는 전압값에 의하여 현재 주행도로가 오르막길 또는 내리막길인지를 판단하고, 상기 측정된 제1조향각이 설정각 이상인 경우에 현재주행 도로가 커브길인 것으로 판단하는 것을 특징으로 하는 급경사 및 급커브주행시의 시프트패턴 제어방법.
  6. 제4항에 있어서, 상기 주행도로의 특성에 따른 제어루틴이 설정된 플래그를 판독하여 현재의 주행도로가 오르막길인 경우에는 현재의 주행속도를 판독하여, 현재의 차속이 제1설정속도 이상으로 주행하는 경우에는 현재의 시프트패턴을 홀딩하여 유지하고, 현재의 차속이 제1설정속도 이하인 경우에는 설정된오르막길에 따른 시프트 패턴에 따라 스피드 영역을 설정하는 단계와 ; 상기에서 설정된 플래그를 판독하여 현재의 주행도로가 내리막길인 경우에는 현재의 주행속도를 판단하여, 현재의 차속이 제2설정속도 이상으로 주행하는 경우에는 현재의 시프트패턴을 홀딩하여 유지하고, 현재의 차속이 제2설정설정속도 이하인경우에는 설정된 내리막길에 따른 시프트패턴에 따라 스피드영역을 설정하는 단계와 ;상기에서 설정된 플래그를 판독하여 현재의 주행도로가 커브길인 경우에는 경사 및 커브감지부에서 출력되는 제2조향각을 감지하여, 메인루틴에서 측정된 제1조향각과의 차이각을 연산하는 단계와 ; 현재주행도로의 상태가 확실히 커브길인가를 판단하기 위하여, 상기에서 연산된 제1조향각과 제2조향각과의 차이각과 설정각과의 관계를 판단하여, 상기 차이각이 설정각이상을 현재주행도로가 커브일인 경우에는 현재의 주행속도를 판단하고, 상기 차이각이 설정각보다 작은 경우에는 현재주행도로가 커브길이 아닌 것으로 판단하여 커브길에 해당하는 플래그를 리세트시키는 단계와 ; 상기에서 주행도로가 커브길인 경우에 현재의 차속이 제1설정속도 이상으로 주행하는 경우에는 현재의 시프트 패턴을 홀딩하여 유지하고, 현재의 차속이 제1설정속도 이하인 경우에는 커브길시의 플래그를 리세트시키고 메인 루틴으로 복귀하는 단계로 이루어지는 것을 특징으로 하는 급경사 및 급커브 주행시의 시프트 패턴 제어방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019940007178A 1994-04-06 1994-04-06 급경사 및 급커브 주행시의 시프트패턴 제어장치 및 그 방법 KR950028978A (ko)

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JP7080319A JPH07304351A (ja) 1994-04-06 1995-04-05 急傾斜及び急カーブ走行時のシフトパターン制御装置とその制御方法
US08/417,693 US5598335A (en) 1994-04-06 1995-04-06 System and method for controlling a shift position when a vehicle travels along a steeply sloped road or a sharply curved road

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