KR930000813A - 내연기관의 회전수 제어장치 - Google Patents

내연기관의 회전수 제어장치 Download PDF

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KR930000813A
KR930000813A KR1019920010038A KR920010038A KR930000813A KR 930000813 A KR930000813 A KR 930000813A KR 1019920010038 A KR1019920010038 A KR 1019920010038A KR 920010038 A KR920010038 A KR 920010038A KR 930000813 A KR930000813 A KR 930000813A
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control
amount
engine
matrix
value
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KR0162503B1 (ko
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가쓰히꼬 가와이
가즈히로 나까이
히로시 이께다
야스히또 다까스
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이시마루 쓰네오
닛뽕 덴소오 가부시기가이샤
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Priority claimed from JP15281892A external-priority patent/JP3374409B2/ja
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/002—Electric control of rotation speed controlling air supply
    • F02D31/003—Electric control of rotation speed controlling air supply for idle speed control
    • F02D31/005—Electric control of rotation speed controlling air supply for idle speed control by controlling a throttle by-pass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/16—Introducing closed-loop corrections for idling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/1502—Digital data processing using one central computing unit
    • F02P5/1508—Digital data processing using one central computing unit with particular means during idling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
    • F02D2011/102—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles at least one throttle being moved only by an electric actuator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
    • F02D2011/103—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles at least one throttle being alternatively mechanically linked to the pedal or moved by an electric actuator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1415—Controller structures or design using a state feedback or a state space representation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

내용 없음

Description

내연기관의 회전수 제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예를 따르는 엔진 회전수 장치의 예시도.
제2A도는 목표 엔진 회전수와 냉각수온도 또는 외측 온도간의 관계를 도시한 그래프.
제2B도는 목표점회시기와 엔진 회전수간의 관계를 도시한 그래프.
제3도는 본 발명의 제1실시예의 기본 구성을 도시한 도면.

Claims (10)

  1. 엔진의 아이들 회전수를 검출하는 회전수 검출수단과 엔진이 아이들링 상태에 있을 때, 엔진에 대해 흡입공기량을 제어하는 공기량 제어수단과 검출된 엔진 아이들 회전수를 목표회전수로 제어하기 위해 엔진의 검출된 아이들 회전수를 토대로 공기량 제어수단의 제어량을 결정하는 회전수 제어수단이 설치된 내연기관용 회전수 제어장치에 있어서 엔진의 동적모델의 내부상태를 대표하는 상태변수량으로 엔진의 검출된 아이들 회전수 및 공기량 제어수단의 제어량 및 점화회로의 점화시기 제어량을 출력시키는 상태 변수량 출력부와, 회전수 변동누적치를 얻기 위해 목표회전수와 검출된 엔진 아이들 회전수간의 편차를 누적서키는 회전수 편차누적부와, 점화시기 편차누적치를 얻기 위해 검출된 목표점화시기와 실제 점화시기간의 편차를 누적시키는 점화시기 편차누적부와, 동적모델, 상태변수량, 상기 회전수 편차누적치 및 점화시기 편차누적치를 토대로 미리 결정된 공기시스템 및 점화시스템의 최적 피드백 이득을 토대로 공기량 제어수단의 제어량과 점화회로의 점화시기 제어량을 산출하는 공기시스템 및 점화시스템 제어량 산출부를 포함하는 것을 특징으로 하는 내연 기관용 회전수 제어장치.
  2. 엔진의 작동상태값을 검출하는 작동상태값 검출수단과, 엔진의 작동상태값에 영향을 미치는 제1제어량을 제어하는 제1제어수단과 검출된 작동상태 값을 목표치에 제어하기 위해 엔진의 검출된 작동상태값을 토대로 제1제어 수단의 제어량을 결정하는 목표치 제어수단을 포함하는 목표치 제어수단을 포함하는 내연기관용 제어장치에 있어서, 엔진의 동적모델의 내부상태를 대표하는 상태변수량으로 엔진의 검출된 작동상태값 및 엔진의 작동상태값에 영향을 주는 제1제어수단의 제어량과 제2제어량을 출력시키는 상태변수량 출력부와, 작동상태값 변동누적치를 얻기 위해 목표치와 검출된 작동상태값간의 편차를 누적시키는 작동상태값 편차누적부와, 제2제어량 편차누적치를 얻기 위해 검출된 제2제어량과 제2제어량에 대한 목표치간의 편차를 누적시키는 제2제어량 편차누적부와, 동적모델, 상태변수량, 작동상태값 편차누적치 및 제2제어량 편차누적치를 토대로, 미리 결정된 제1및 제2제어시스템의 최적 피드백 이득을 토대로 제1제어수단의 제어량과 제2제어수단의 제어량을 산출하는 제1및 제2제어시스템 제어량 산출부를 포함하는 것을 특징으로 하는 내연기관용 제어장치.
  3. 제2항에 있어서, 제1제어수단은 엔진에 흡입되는 공기흡입량을 제어하는 수단인 것을 특징으로 하는 내연기관용 제어장치.
  4. 제3항에 있어서, 상기 제1제어량은 흡입공기량이고, 제2제어량은 엔진의 점화회로에 의해 걸리는 점화시기인 것을 특징으로 하는 내연기관용 제어장치.
  5. 제2항에 있어서, 작동상태값은 엔진의 회전수인 것을 특징으로 하는 내연기관용 제어장치.
  6. 제3항에 있어서, 흡입공기량 제어수단은 상기 바이패스통로에 마련된 드로틀밸브 및 밸브수단을 바이패스하는 바이패스통로수단을 포함하고, 상기 밸브수단은 제어신호의 더티비가 적용됨에 따라 제어되도록 구성되어 있는 것을 특징으로 하는 내연기관용 제어장치.
  7. 제2항에 있어서, 상태변수량은 전의 작동상태값과 누적수단에 축적된 제1및 제2제어량과 누적치를 토대로 직접 구성되는 것을 특징으로 하는 내연기관용 제어장치.
  8. 제6항에 있어서 제어량 산출부는 상태변수량을 구성하는 값에 최적피드백 이득을 곱하여 얻은 값을 합하여 제1제어수단의 제어량과 제2제어수단의 제어량을 산출하는 것을 특징으로 하는 내연기관용 제어장치.
  9. 최소한의 엔진회전수를 출력량으로 출력시키기 위해 입력부에 낭비시간을 가진 제1제어입력 및 낭비시간이 없는 제2제어입력에 응답하는 다중-입력 및 하나 또는 다중-출력을 가진 모델세트를 토대로 엔진의 회전수를 결정하는 내연기관용 회전수 제어장치에 있어서, 상기 모델의 내연상태를 대표하는 상태변수량으로 엔진회전수 및 제1및 제2제어입력을 설정하는 상태변수 설정수단과, 상기 모델, 상태변수량 및 낭비시간에 해당하는 과거 제1제어압력에 따라 미리 결정된 최적 피드백 이득을 토대로 제1제어입력을 산출하는 제1산출수단과, 상기 모델, 상태변수량에 따라 미리 결정된 최적 피드백 이득을 토대로 제2제어입력을 산출하는 제2산출수단을 포함하는 것을 특징으로 하는 내연기관용 회전수 제어장치.
  10. 엔진회전수를 포함하는 t 출력을 발생하기 위해 낭비시간을 가진 m 제어입력에 응답하고, 상태방정식 (A)에 따라 표현되는 m-입력 t-출력제어계를 가진 모델세트를 토대로 엔진의 회전수를 결정하는 내연기관용 회전수 제어장치에 있어서, 상기 m -입력 t-출력제어계에 대해 상기 출력을 목표치에 제어하는 피드백 제어시스템은 방정식(B)에 따라 확대계로 결정되고, 방정식(C)으로 표시되는 평가계수(J)를 최소화하는 최적확대계 제어입력(Ve (k))은 방정식 (D)에 따라 결정되고 i번째 ui(k)는 방정식 (F)에 따라 방정식 (E)에 의해 정의된 행렬 (Hi)를 토대로 결정되고,
    X(k+1)=AX(k)+BV(k)
    Y(k)=CX(k) .....................(A)
    여기서, VT(k)=[ul(k-L1)u2(k-L2)...ui(K-Li)....um(k-Lm)];
    X는 (n×1)행렬인 상태변수행렬을 나타내고, V는(M×1)행렬인 입력행렬을 나타내고, Y는 (t×1)행렬인 출력행렬을 나타내고 A는 (n×n)행렬인 행렬을 나타내고, B는 (n×m)행렬인 행렬을 나타내고, C는 (t×n)행렬인 행렬을 나타내고, L1L2....Lm은 제어유닛 u1, u2 ...um에 존재하는 낭비시간에 해당하는 샘플의 수를 나타내고
    Z(k+1)=AeZ(k)+BeVe(k)
    E(k)=CeZ(k) ......................(B)
    여기서, z(k)는 상태변수행렬이고, E(k)는 편차행렬이고,
    E(k)= R-Y(k) (R: 목표치), 및, Ve(k)는 확대행렬을 나타내고,
    Ce=[o-It] (It: unit matrix of (t x t))
    여기서 o-는 제로(0)행렬을 나타내고,
    Ve(k)-F . Z(k) ..................(D)
    여기서, F는 최적 피드백 이득행렬을 나타내고,
    및, p는 다음 릭카티 방정식의 해이고,
    P=AeTPAe-AeTPBe(BeTPBe+R)-1BeTPAe+Q
    Hi=[Di(Li)Di(Li-1)Bi Di(Li-2)B......Di·Bi Bi]
    ..............(E)
    여기서,
    인 것을 특징으로 하는 내연기관용 회전수 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920010038A 1991-06-10 1992-06-10 내연기관의 회전수 제어장치 KR0162503B1 (ko)

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JP13781291A JP2946832B2 (ja) 1991-06-10 1991-06-10 内燃機関のアイドル回転数制御装置
JP91-137812 1991-06-10
JP17068791 1991-06-14
JP91-170687 1991-06-14
JP91-212841 1991-07-30
JP21284191 1991-07-30
JP???? 1992-01-05
JP15281892A JP3374409B2 (ja) 1991-06-14 1992-05-20 エンジンの回転数制御方法
JP92-152818 1992-05-20

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