CONTROL DEVICE FOR VEHICLE

PROBLEM TO BE SOLVED: To provide a control device for a vehicle capable of minimizing electric power consumption and expanding a vehicle speed region when starting the vehicle with power of an electric motor.SOLUTION: When a vehicle is started with power of an ISG with the operation of an engine sto...

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Bibliographische Detailangaben
Hauptverfasser:	OGAMI KOJI, ARAKAWA DAIKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a control device for a vehicle capable of minimizing electric power consumption and expanding a vehicle speed region when starting the vehicle with power of an electric motor.SOLUTION: When a vehicle is started with power of an ISG with the operation of an engine stopped (Step S3), an ECU maintains the shift ratio of a transmission at a predetermined starting shift ratio until the rotation speed of the ISG reaches a predetermined upper limit rotation speed, and after the rotation speed of the ISG reaches the predetermined upper limit rotation speed (YES in Step S5), increases the shift ratio to a predetermined limit shift ratio smaller than the starting shift ratio (Step S7 and S8).SELECTED DRAWING: Figure 2 【課題】消費電力を最小化でき、電動機の動力により車両を発進させたときの車速領域を拡大することができる車両の制御装置を提供すること。【解決手段】ＥＣＵは、エンジンの運転を停止したままＩＳＧの動力により車両を発進（ステップＳ３）させた場合、ＩＳＧの回転数が所定の上限回転数に到達するまで、変速機の変速比を所定の発進用変速比に維持し、ＩＳＧの回転数が所定の上限回転数に到達した後（ステップＳ５でＹＥＳ）、上限回転数を維持するように変速比を発進用変速比より小さい所定の限界変速比までアップシフトする（ステップＳ７、Ｓ８）。【選択図】図２