PROBLEM TO BE SOLVED: To alleviate driver's discomfort resulting from a fluctuation in a braking force of an engine brake in the middle of deceleration fuel cut.SOLUTION: A vehicle deceleration controller comprises: fuel cut control means halting the supply of fuel to an engine 10 from a fuel supply system (injector 21) during vehicle deceleration; deceleration-time EGR control means recirculating exhaust gas recirculation by an EGR system (high-pressure EGR system 51) for predetermined time since start of fuel cut, and stopping recirculating the exhaust gas after passage of the predetermined time; and fluctuation suppressing means suppressing a possible fluctuation in a braking force when the deceleration-time EGR control means stops recirculating the exhaust gas if an automatic transmission 94 is in a specific range in the middle of the fuel cut.

    【課題】減速燃料カットの最中に、エンジンブレーキによる制動力が変動することに起因する運転者の違和感を緩和する。【解決手段】車両の減速制御手段は、車両の減速時に、燃料供給システム(インジェクタ21)によるエンジン10への燃料供給を中断する燃料カット制御手段と、燃料カットの開始から所定時間は、EGRシステム(高圧EGRシステム51)による排気ガスの還流を行うと共に、所定時間の経過後に、排気ガスの還流を中止する減速時EGR制御手段と、燃料カットの最中に、自動変速機94が特定レンジにあるときには、減速時EGR制御手段が排気ガスの還流を中止する際に生じ得る制動力の変動を抑制する変動抑制手段と、を備える。【選択図】図3


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    Title :

    VEHICLE DECELERATION CONTROLLER


    Additional title:

    車両の減速制御装置


    Contributors:

    Publication date :

    2015-09-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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