EP2251537B1 - Vorrichtung zur steuerung von motorstopp - Google Patents

Vorrichtung zur steuerung von motorstopp Download PDF

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Publication number
EP2251537B1
EP2251537B1 EP09713282.3A EP09713282A EP2251537B1 EP 2251537 B1 EP2251537 B1 EP 2251537B1 EP 09713282 A EP09713282 A EP 09713282A EP 2251537 B1 EP2251537 B1 EP 2251537B1
Authority
EP
European Patent Office
Prior art keywords
throttle valve
intake throttle
opening degree
engine
intake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09713282.3A
Other languages
English (en)
French (fr)
Other versions
EP2251537A1 (de
EP2251537A4 (de
Inventor
Wasantha Perera
Kenta Suzuki
Toshio Matsumoto
Akira Matsutani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Publication of EP2251537A1 publication Critical patent/EP2251537A1/de
Publication of EP2251537A4 publication Critical patent/EP2251537A4/de
Application granted granted Critical
Publication of EP2251537B1 publication Critical patent/EP2251537B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • 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
    • F02D11/105—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 function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • 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
    • F02D11/106—Detection of demand or actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0233—Engine vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0245—Shutting down engine, e.g. working together with fuel cut-off

Definitions

  • the present invention relates to a stop control device for an engine that closes the inside of an intake passage of the engine by an intake throttle valve when the engine is stopped in order to suppress vibration of the engine when the engine is stopped.
  • the intake throttle valve When the intake throttle valve is completely closed, the intake air supplied to the engine can be quickly cut off and combustion can be rapidly reduced by rapidly closing the intake throttle valve till it is completely closed. Therefore, such an approach is effective for suppressing vibration of the engine occurring when the engine is stopped.
  • the intake throttle valve is completely closed, where the intake throttle valve is rapidly closed to a completely closed state, parts of the intake throttle valve can collide. For this reason, the intake throttle valve is closed using a filter (see FIG. 4 ).
  • a stop control device according to the preamble of claim 1 is known from JP 10 089 095 A . Further, reference is made to DE 10 2006 010905 A1 disclosing a stop control device according to the preamble of claim 1.
  • the filter used to close completely the intake throttle valve has the following tradeoff characteristic.
  • the filter used when the intake throttle valve is completely closed is strong (the intake throttle valve is closed gradually)
  • the time required to close completely the intake throttle valve increases and vibration of the engine occurring when the engine is stopped is affected.
  • the filter is weak (the intake throttle valve is closed rapidly)
  • the parts of intake throttle valve can collide. For this reason, it is desirable both to inhibit vibration of the engine when the engine is stopped and to prevent parts of the intake throttle valve from colliding with each other.
  • the present invention provides a stop control device for an engine including an intake throttle valve provided to be openable and closeable inside an intake passage of the engine and capable of closing the inside of the intake passage, and control means for controlling the intake throttle valve.
  • the control means controls the intake throttle valve so that the intake throttle valve is rapidly closed to a predetermined opening degree near a completely closed state when the engine is stopped, and controls, when the intake throttle valve becomes the predetermined opening degree near the completely closed state, the intake throttle valve so that the intake throttle valve is closed to the completely closed state slower than when the intake throttle valve is closed to the predetermined opening degree near the completely closed state, so as to prevent the occurrence of an excessive impact when the intake throttle valve closes the inside of the intake passage.
  • the stop control device for an engine further includes opening degree detection means for detecting an opening degree of the intake throttle valve, wherein the control means determines that the intake throttle valve has stabilized at the predetermined opening degree when it is determined on the basis of the opening degree of the intake throttle valve detected by the opening degree detection means that there is not overshoot or undershoot of the intake throttle valve and the intake throttle valve has converged to the predetermined opening degree near the completely closed state.
  • the present invention demonstrates an excellent effect of being capable of suppressing vibration of the engine when the engine is stopped and preventing parts of the intake throttle valve from colliding.
  • an engine in the present embodiment, a diesel engine 1 is constituted by a cylinder 2, a cylinder head 3, a piston 4, an intake port 5, an exhaust port 6, an intake valve 7, an exhaust valve 8, and an injector (fuel injection device) 9.
  • a combustion chamber 10 is formed by a space bounded by the cylinder 2, cylinder head 3, and piston 4, and fuel is directly injected from the injector 9 into the combustion chamber 10.
  • An intake passage (intake tube) 11 is connected to the intake port 5, and an exhaust passage (exhaust tube) 12 is connected to the exhaust port 6.
  • a stop control device is constituted by an intake throttle valve 13 that is provided to be openable and closeable inside the intake passage 11 and capable of closing the inside of the intake passage 11 and a control means (referred to hereinbelow as ECU) 14 for controlling the intake throttle valve 13.
  • ECU control means
  • the intake throttle valve 13 is a butterfly valve.
  • the intake throttle valve 13 has a valve (valve element) 15 installed inside the intake passage 11 so as to be capable of closing the inside of the intake passage 11 and an actuator (motor or the like) 16 driving the valve 15.
  • the ECU 14 reads the operation state of the engine 1 from various sensors and controls the intake throttle valve 13 on the basis of the operation state of the engine 1 so that the intake throttle valve 13 assumes a predetermined value.
  • the aforementioned sensors include an engine speed sensor 17 that detects the speed of the engine 1, an accelerator depression degree sensor 18 that detects an accelerator depression degree, and an opening degree detection means (valve opening degree sensor) 19 that detects the opening degree of the intake throttle valve 13 (valve 15). The detection values of these sensors are inputted to the ECU 14.
  • the ECU 14 controls the intake throttle valve 13 to a predetermined opening degree such as to obtain an intake air amount corresponding to the operation state of the engine 1.
  • the ECU 14 controls the intake throttle valve 13 so that the valve 15 closes the inside of the intake passage 11 with the object of suppressing the vibration of the engine 1 when the engine is stopped.
  • the ECU 14 stops fuel injection to the combustion chamber 10 performed by the injector 9 and also controls the intake throttle valve 13 so that the intake throttle valve 13 (valve 15) rapidly assumes a predetermined opening degree (opening degree o1) near the completely closed state and rapidly closes the intake throttle valve 13, without using a filter, to the predetermined opening degree o1 near the completely closed state (timing t1, S2 in FIG. 2 ).
  • the ECU 14 checks whether or not the valve 15 has stabilized at the predetermined opening degree o1 near the completely closed state (whether or not the intake throttle valve 13 became the predetermined opening degree o1 near the completely closed state) (S3 in FIG. 2 ).
  • the ECU 14 determines that the valve 15 has stabilized at the predetermined opening degree o1 near the completely closed state (the intake throttle valve 13 became the predetermined opening degree o1 near the completely closed state) when it is determined on the basis of the opening degree of the intake throttle valve 13 detected by the valve opening degree sensor 19 that there is no overshoot or undershoot of the valve 15 and the intake throttle valve 13 (valve 15) has converged to the predetermined opening degree o1 near the completely closed state.
  • the control unit controls the intake throttle valve 13 so that the intake throttle valve 13 (valve 15) is slowly completely closed at a substantially constant speed and completely closes the intake throttle valve 13 using a filter at a rate less than that at which the intake throttle valve is closed to the predetermined opening degree o1 near the completely closed state (timing t2, S4 in FIG. 2 ).
  • the predetermined opening degree o1 near the completely closed state is set to an opening degree such that the valve 15 that repeatedly overshoots and undershoots does not collide with an inner wall surface of the intake passage 11 or a stopper inside the intake passage 11.
  • the intake throttle valve 13 when the engine is stopped, the intake throttle valve 13 is controlled so that the intake throttle valve 13 is closed rapidly to the predetermined opening degree o1 near the completely closed state, and when the intake throttle valve 13 becomes the predetermined opening degree o1 near the completely closed state, the intake throttle valve 13 is controlled so that the intake throttle valve 13 is completely closed at a rate lower than that at which the valve is closed to the predetermined opening degree o1 near the completely closed state, so as to prevent the occurrence of an excessive impact when the intake throttle valve 13 closes the inside of the intake passage 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Claims (2)

  1. Stoppsteuervorrichtung für einen Motor (1), umfassend:
    ein Einlassdrosselventil (13), das so ausgelegt ist, dass es in einem Einlassdurchlass (11) des Motors (1) geöffnet und geschlossen werden kann und in der Lage ist, das Innere des Einlassdurchlasses (11) zu verschließen; und
    ein Steuermittel (14) zur Steuerung des Einlassdrosselventils (13), wobei
    das Steuermittel (14) das Einlassdrosselventil (13) derart steuert, dass das Einlassdrosselventil (13) schnell auf einen festgelegten Öffnungsgrad (o1) nahe einem vollständig geschlossenen Zustand geschlossen wird, wenn der Motor (1) gestoppt wird, und das Einlassdrosselventil (13) derart steuert, dass das Einlassdrosselventil (13) nach Erreichen des festgelegten Öffnungsgrads (o1) nahe dem vollständig geschlossenen Zustand langsamer bis zum vollständig geschlossen Zustand geschlossen wird als es bis zu dem vorbestimmten Öffnungsgrad (o1) nahe dem vollständig geschlossenen Zustand geschlossen wird, um das Auftreten eines übermäßigen Aufpralls zu verhindern, wenn das Einlassdrosselventil (13) das Innere des Einlassdurchlasses (11) verschließt,
    gekennzeichnet durch Öffnungsgraderfassungsmittel (19) zum Erfassen eines Öffnungsgrads des Einlassdrosselventils (13), wobei das Steuermittel (14) bestimmt, dass das Einlassdrosselventil (13) sich an dem festgelegten Öffnungsgrad stabilisiert hat, wenn auf der Basis des durch die Öffnungsgraderfassungsmittel (19) erfassten Öffnungsgrads des Einlassdrosselventils (15) bestimmt wurde, dass kein Über- oder Unterschwingen durch das Einlassdrosselventil (15) aufgetreten ist und das Einlassdrosselventil (15) zum vorbestimmten Öffnungsgrad (01) nahe dem vollständig geschlossen Zustand konvergiert ist.
  2. Stoppsteuervorrichtung für einen Motor (1) gemäß Anspruch 1, wobei
    das Steuermittel (14) die Steuerung so ausführt, dass das Einlassdrosselventil (13) von dem festgelegten Öffnungsgrad (o1) nahe dem vollständig geschlossenen Zustand bis zum vollständig geschlossenen Zustand mit einer konstanten Geschwindigkeit geschlossen wird.
EP09713282.3A 2008-02-19 2009-02-17 Vorrichtung zur steuerung von motorstopp Active EP2251537B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008037456A JP5115233B2 (ja) 2008-02-19 2008-02-19 エンジンの停止制御装置
PCT/JP2009/052672 WO2009104591A1 (ja) 2008-02-19 2009-02-17 エンジンの停止制御装置

Publications (3)

Publication Number Publication Date
EP2251537A1 EP2251537A1 (de) 2010-11-17
EP2251537A4 EP2251537A4 (de) 2012-05-30
EP2251537B1 true EP2251537B1 (de) 2014-10-01

Family

ID=40985471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09713282.3A Active EP2251537B1 (de) 2008-02-19 2009-02-17 Vorrichtung zur steuerung von motorstopp

Country Status (5)

Country Link
EP (1) EP2251537B1 (de)
JP (1) JP5115233B2 (de)
CN (1) CN101970835B (de)
AU (1) AU2009216287B2 (de)
WO (1) WO2009104591A1 (de)

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* Cited by examiner, † Cited by third party
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EP2317100A1 (de) * 2009-10-29 2011-05-04 Ford Global Technologies, LLC Verfahren und System zur Steuerung eines Motorabschaltens für ein Fahrzeug
KR101826543B1 (ko) 2012-12-07 2018-02-07 현대자동차 주식회사 차량의 진동 저감장치 및 방법
JP5583258B1 (ja) * 2013-09-26 2014-09-03 三菱電機株式会社 スロットル学習制御装置
JP6264329B2 (ja) * 2014-06-18 2018-01-24 トヨタ自動車株式会社 車両用駆動制御装置
KR101575536B1 (ko) * 2014-10-21 2015-12-07 현대자동차주식회사 디젤 하이브리드 차량에서 에어 컨트롤 밸브 제어 방법
CN110714843A (zh) * 2018-07-11 2020-01-21 北汽福田汽车股份有限公司 控制车辆发动机的方法和装置、发动机、存储介质和车辆
CN109184922B (zh) * 2018-09-25 2020-11-10 贵州吉利发动机有限公司 发动机停机控制系统、控制方法及汽车
CN109372642A (zh) * 2018-10-30 2019-02-22 潍柴动力股份有限公司 一种发动机快速熄火控制方法及装置
CN109854396B (zh) * 2019-01-31 2022-03-25 一汽解放汽车有限公司 一种电控节流阀的软落座控制方法
CN113982766A (zh) * 2021-09-30 2022-01-28 东风商用车有限公司 发动机电子节气门控制方法、系统及汽车

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Also Published As

Publication number Publication date
EP2251537A1 (de) 2010-11-17
CN101970835A (zh) 2011-02-09
WO2009104591A1 (ja) 2009-08-27
AU2009216287B2 (en) 2012-12-13
AU2009216287A1 (en) 2009-08-27
JP5115233B2 (ja) 2013-01-09
CN101970835B (zh) 2015-05-20
JP2009197604A (ja) 2009-09-03
EP2251537A4 (de) 2012-05-30

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