To provide a vehicle power assisting system which can reduce torque fluctuation resulting from speed irregularity which occurs in a motor generator which becomes an assisting power source, and operate a vehicle without applying excess current when the vehicle stops/starts a torque control function during travelling.SOLUTION: A vehicle power assisting system controls a motor generator for assisting vehicle travel. A control unit 105b of a power converter 105 which is provided between a DC power supply and the motor generator performs vector control. The control unit 105b does not have a function of non-interference control which is usually performed, and generates a voltage command value by using a signal equivalent to a signal which should be used as the non-interference control in start of current control.SELECTED DRAWING: Figure 2
【課題】補助動力源となる電動発電機で発生する速度むらに起因するトルク変動を小さくすると共に、車両が走行中にトルク制御機能の停止・開始を行った際、過大な電流を流すことなく動作させることが可能な車両動力補助システムを提供する。【解決手段】車両走行補助用の電動発電機を制御する車両動力補助システムである。直流電源と電動発電機との間に設けられる電力変換器105の制御部105bは、ベクトル制御を行う。この制御部105bは、常時行う非干渉制御の機能を有しておらず、電流制御の開始時に非干渉制御として使用すべき信号と同等の信号を用いて電圧指令値を生成する。【選択図】図2
VEHICLE POWER ASSISTING SYSTEM
車両動力補助システム
2020-09-03
Patent
Electronic Resource
Japanese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
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