To provide a drive control system for a four-wheel drive electric vehicle that reduces power loss while suppressing an increase in system cost.SOLUTION: A drive control system for a four-wheel drive electric vehicle of the present invention includes: a drive motor in which an SiC-MOSFET power semiconductor is used for an inverter; a drive motor in which an Si-IGBT power semiconductor is used for an inverter; and a control device that controls these drive motors. Since the control device switches the drive motors to operate based on the vehicle required torque and the rotational speed of the drive motor, it is possible to provide a drive control system for a four-wheel drive electric vehicle that achieves both a reduction in power loss and suppression of an increase in system cost.SELECTED DRAWING: None
【課題】システムコストの増大を抑制しつ、電力損失を低減した四輪駆動式電動車の駆動制御システムを提供する。【解決手段】本発明の四輪駆動式電動車の駆動制御システムは、インバータにSiC-MOSFETパワー半導体が用いられた駆動モータと、インバータにSi-IGBTパワー半導体が用いられた駆動モータと、これらの駆動モータを制御する制御装置を備える。そして、上記制御装置が、車両要求トルクと駆動モータの回転数に基いて作動させる駆動モータを切り替えることとしたため、電力損失の低減とシステムコストの増大抑制とを両立させた四輪駆動式電動車の駆動制御システムを提供することができる。【選択図】なし
DRIVE CONTROL SYSTEM FOR FOUR-WHEEL DRIVE ELECTRIC VEHICLE
四輪駆動式電動車の駆動制御システム
17.04.2025
Patent
Elektronische Ressource
Japanisch
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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