KR102588930B1 - Dct 차량의 변속 제어 방법 - Google Patents
Dct 차량의 변속 제어 방법 Download PDFInfo
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- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/113—Stepped gearings with two input flow paths, e.g. double clutch transmission selection of one of the torque flow paths by the corresponding input clutch
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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
- F16H61/04—Smoothing ratio shift
- F16H61/0437—Smoothing ratio shift by using electrical signals
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- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- 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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W50/16—Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
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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
- 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
- F16H59/56—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the main clutch
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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
- F16H61/68—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 specially adapted for stepped gearings
- F16H61/684—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 specially adapted for stepped gearings without interruption of drive
- F16H61/688—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 specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
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- 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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
- B60W2050/0012—Feedforward or open loop systems
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0275—Clutch torque
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0283—Clutch input shaft speed
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10406—Clutch position
- F16D2500/10412—Transmission line of a vehicle
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/30406—Clutch slip
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/30406—Clutch slip
- F16D2500/30407—Clutch slip change rate
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3042—Signal inputs from the clutch from the output shaft
- F16D2500/30421—Torque of the output shaft
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3042—Signal inputs from the clutch from the output shaft
- F16D2500/30426—Speed of the output shaft
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/306—Signal inputs from the engine
- F16D2500/3067—Speed of the engine
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/316—Other signal inputs not covered by the groups above
- F16D2500/3166—Detection of an elapsed period of time
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
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- Control Of Transmission Device (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
도 2는 본 발명에 따른 DCT 차량의 변속 제어 방법의 실시예를 도시한 순서도,
도 3은 본 발명의 변속제어 방법을 설명한 블록도이다.
CL1; 제1클러치
CL2; 제2클러치
IN1; 제1입력축
IN2; 제2입력축
OUT; 출력축
W; 구동륜
CA; 클러치액츄에이터
SA; 변속액츄에이터
CLR; 컨트롤러
S10; 해제개시단계
S40; 제1초기화단계
S50; 제1피드백제어단계
S60; 제1토크핸드오버단계
S20; 변화율조정단계
S30; 변속종류판단단계
S70; 제2초기화단계
S80; 제2피드백제어단계
S90; 제2토크핸드오버단계
S100; 제3피드백제어단계
S110; 제3토크핸드오버단계
Claims (9)
- 파워 온 다운쉬프트가 개시되면, 컨트롤러가 해방측클러치 해제를 개시하여 엔진속도가 해방측클러치 속도보다 상승되도록 유도하는 해제개시단계와;
상기 컨트롤러가 해방측클러치 토크 모델을 이용하여 산출한 해방측클러치 토크를 피드포워드 토크로 설정하고, 상기 해방측클러치 토크를 소정의 제1기준시간 동안 상기 피드포워드 토크로 수렴시키는 제1초기화단계와;
상기 제1기준시간이 경과하면, 상기 컨트롤러가 클러치슬립변화율에 따른 피드백 토크를 산출하여, 상기 해방측클러치 토크를 상기 피드포워드 토크와 상기 피드백 토크의 합으로 제어하는 제1피드백제어단계와;
상기 제1피드백제어단계 수행 중, 상기 컨트롤러가 토크페이즈의 수행 준비가 완료되었다고 판단하면, 소정의 제2기준시간 동안 상기 해방측클러치를 해제하면서, 결합측클러치 토크를 엔진토크에 상응하게 상승시키는 제1토크핸드오버단계;
를 포함하여 구성된 것을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 1에 있어서,
상기 해제개시단계 이후 상기 제1초기화단계 이전에, 상기 컨트롤러는 엔진속도와 해방측클러치 속도의 차이가 소정의 제1기준값 이상이 되는 것으로 판단하면, 상기 해방측클러치 토크를 저감시키는 기울기를 조정하는 변화율조정단계를 더 수행하도록 구성된 것
을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 1에 있어서,
상기 제1초기화단계 이전에, 상기 컨트롤러는 이축변속인지 동축변속인지 판단하는 변속종류판단단계를 더 수행하여, 이축변속인 경우 상기 제1초기화단계를 수행하도록 구성된 것
을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 3에 있어서,
상기 컨트롤러가 상기 변속종류판단단계 수행결과, 동축변속 상황인 경우,
상기 컨트롤러가 해방측클러치 토크 모델을 이용하여 산출한 해방측클러치 토크를 피드포워드 토크로 설정하고, 상기 해방측클러치 토크를 소정의 제3기준시간 동안 상기 피드포워드 토크로 수렴시키는 제2초기화단계와;
상기 제3기준시간이 경과하면, 상기 컨트롤러가 클러치슬립변화율에 따른 피드백 토크를 산출하여, 상기 해방측클러치 토크를 상기 피드포워드 토크와 상기 피드백 토크의 합으로 제어하는 제2피드백제어단계와;
상기 제2피드백제어단계 수행 중, 상기 컨트롤러가 토크페이즈의 수행 준비가 완료되었다고 판단하면, 소정의 제4기준시간 동안 상기 해방측클러치를 해제하면서, 결합측클러치 토크를 엔진토크에 상응하게 상승시키는 제2토크핸드오버단계와;
상기 제4기준시간이 경과하면, 상기 컨트롤러는 상기 결합측클러치와 해방측클러치의 역할을 서로 전환하여, 지금까지 결합측클러치로 작용하던 클러치를 해방측클러치로 하고, 이 해방측클러치의 토크를 상기 해방측클러치 토크 모델로부터 산출한 피드포워드 토크와 클러치슬립변화율에 따른 피드백 토크의 합으로 제어하는 제3피드백제어단계와;
상기 제3피드백제어단계 수행 중, 상기 컨트롤러가 토크페이즈의 수행 준비가 완료되었다고 판단하면, 소정의 제5기준시간 동안 상기 해방측클러치를 해제하면서, 결합측클러치 토크를 엔진토크에 상응하게 상승시키는 제3토크핸드오버단계;
를 더 수행하도록 구성된 것을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 1에 있어서,
상기 해방측클러치 토크 모델은 다음 수식,
; 해방측클러치 토크
; 엔진토크
; 엔진 관성모멘트
Slip; Ne-Ni
Ne; 엔진회전수
Ni; 결합측클러치 회전수
; 구동계 관성에 기인한 토크
와 같이 구성된 것을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 1에 있어서,
상기 컨트롤러는 상기 제1피드백제어단계 수행 중, 목표단기어의 치합이 완료되고, 변속진행율이 소정의 제2기준값 이상이거나 엔진속도와 결합측클러치 속도의 차이가 제3기준값 이상이고, 결합측클러치의 체결준비가 완료된 경우, 토크페이즈의 수행 준비가 완료된 것으로 판단하도록 구성된 것
을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 4에 있어서,
상기 컨트롤러는 상기 제2피드백제어단계 수행 중, 목표단기어의 치합이 완료되고, 변속진행율이 소정의 제4기준값 이상이거나 엔진속도와 결합측클러치 속도의 차이가 제5기준값 이상이고, 결합측클러치의 체결준비가 완료된 경우, 토크페이즈의 수행 준비가 완료된 것으로 판단하도록 구성된 것
을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 4에 있어서,
상기 컨트롤러는 상기 제3피드백제어단계 수행 중, 목표단기어의 치합이 완료되고, 변속진행율이 소정의 제6기준값 이상이거나 엔진속도와 결합측클러치 속도의 차이가 제7기준값 이상이고, 결합측클러치의 체결준비가 완료된 경우, 토크페이즈의 수행 준비가 완료된 것으로 판단하도록 구성된 것
을 특징으로 하는 DCT 차량의 변속 제어 방법. - 청구항 1에 있어서,
상기 피드백 토크는 목표 클러치슬립 변화율과 측정된 엔진속도와 클러치속도의 차이로부터 산출되는 측정 클러치슬립 변화율의 차이를 이용하여 산출되며;
상기 피드포워드 토크를 산출하는 해방측클러치 토크 모델은 상기 목표 클러치슬립 변화율을 이용하도록 구성된 것
을 특징으로 하는 DCT 차량의 변속 제어 방법.
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