HYBRID VEHICLE

PROBLEM TO BE SOLVED: To improve the accuracy of drive torque in a hybrid vehicle enabled to execute inverter-less travel control.SOLUTION: Under inverter-less travel control, an inverter 221 is put to a gate-shutoff state and an engine is put to a drive state to cause a motor-generator 10 to genera...

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Bibliographische Detailangaben
Hauptverfasser:	KISHIMOTO TAKASHI, NAGASHIMA KO, ANDO TAKASHI, AMANO MASAYA, SHIMIZU MASARU
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 COMBUSTION ENGINES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING COMBUSTION ENGINES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS 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 TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve the accuracy of drive torque in a hybrid vehicle enabled to execute inverter-less travel control.SOLUTION: Under inverter-less travel control, an inverter 221 is put to a gate-shutoff state and an engine is put to a drive state to cause a motor-generator 10 to generate counteractive torque Tc generated by a counter-motive voltage Vc, causing a vehicle to travel. In a state where a rotation speed of the motor-generator 10 is fixed at a given speed (N0), with a system voltage fixed at a given voltage (V0), during the inverter-less travel control, an ECU calculates a design value of the counteractive torque Tc using the system voltage and the rotation speed, and calculates an actual value of the counteractive torque Tc using engine torque. The ECU corrects at least one of the revolution speed of the engine and the system voltage so that the actual value approaches the design value.SELECTED DRAWING: Figure 3 【課題】インバータレス走行制御を実行可能に構成されたハイブリッド車両において、駆動トルクの精度を向上させる。【解決手段】インバータ２２１をゲート遮断状態にし、かつ、エンジンを駆動状態にすることで、モータジェネレータ１０に逆起電圧Ｖｃによる逆起トルクＴｃを発生させることによって車両を走行させる制御である。ＥＣＵは、インバータレス走行制御中に、モータジェネレータ１０の回転速度が所定速度（Ｎ０）に固定され、かつ、システム電圧が所定電圧（Ｖ０）に固定された状態において、システム電圧および回転速度を用いて、逆起トルクＴｃの設計値を算出し、エンジントルクを用いて、逆起トルクＴｃの実際値を算出する。ＥＣＵは、実際値が設計値に近づくように、エンジンの回転速度およびシステム電圧のうちの少なくとも一方を補正する。【選択図】図３