VEHICLE DRIVE DEVICE AND METHOD FOR CONTROLLING VEHICLE DRIVE DEVICE

In a method of obtaining a rotation speed of a right wheel (RWr), the method includes: detecting a motor rotation speed detection value (LMa) using a resolver (20A); detecting a wheel rotation speed detection value (LWa) using a wheel speed sensor (13A); obtaining a ring gear rotation speed conversi...

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1. Verfasser: NOGUCHI MASATOSHI
Format: Patent
Sprache:eng
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Zusammenfassung:In a method of obtaining a rotation speed of a right wheel (RWr), the method includes: detecting a motor rotation speed detection value (LMa) using a resolver (20A); detecting a wheel rotation speed detection value (LWa) using a wheel speed sensor (13A); obtaining a ring gear rotation speed conversion value (Rb) based on the motor rotation speed detection value (LMa) and the wheel rotation speed detection value (LWa); detecting a motor rotation speed detection value (RMa) using the resolver (20B); obtaining a wheel rotation speed conversion value (RWb) based on the ring gear rotation speed conversion value (Rb) and the motor rotation speed detection value (RMa); detecting a wheel rotation speed detection value (RWa) using a wheel speed sensor (20B); and selecting the wheel rotation speed conversion value (RWb) or the wheel rotation speed detection value (RWa), whichever is greater, as the rotation speed of the right wheel (RWr).