MOTOR DRIVE DEVICE

WIPO Patent Application WO/2017/018335

A1

Provided is a motor drive device with which it is possible to prevent the driver of a vehicle equipped with a motor drive device experiencing an uncomfortable feeling when the driver operates an accelerator operating means. This motor drive device includes an electric motor (5), a vehicle speed detecting means (7) and a control device (6). The control device (6) includes an ECU (8), a vehicle-speed-correspondent torque control means (10) and a torque control unit (11). The vehicle-speed-correspondent torque control means (10) includes an accelerator sensitivity adjusting unit which adjusts a drive command in such a way that an adjusted torque command value output to the torque control unit (11) from the vehicle-speed-correspondent torque control means (10) upon receipt of a signal indicating the maximum operation amount of the accelerator operating means (12) matches the vehicle-speed-correspondent maximum torque for the current vehicle speed, determined uniquely on the basis of a relationship between the vehicle speed and the vehicle-speed-correspondent maximum torque, which is dependent on the vehicle speed, and in such a way that the adjusted torque command value is proportional to the operation amount of the accelerator operating means (12).

LI GUODONG (JP)
OKADA KOICHI (JP)
UCHIYAMA NAOYUKI (JP)

PCT/JP2016/071507

February 02, 2017

July 22, 2016

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NTN TOYO BEARING CO LTD (JP)

B60L15/20; H02P21/22

WO2012066673A1

2012-05-24

JP2005348482A	2005-12-15
JP2007055535A	2007-03-08
JPH10325345A	1998-12-08
JPH09193675A	1997-07-29

SUGIMOTO, Shuji et al. (JP)

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