SLIP RATIO ESTIMATING DEVICE AND SLIP RATIO CONTROL DEVICE

WIPO Patent Application WO/2008/029524

A1

A slip ratio estimating device for measuring the slip ratio without using the speed of a vehicle body and a slip ratio control device using the slip ratio estimating device are provided. A motor torque measured by a torque measurer is input into a vehicle model (601) and an SRE (602) which calculates the time derivative of the slip ratio. The vehicle model (601) derives the rotational speed of a wheel, the rotational acceleration of the wheel, and the speed of the vehicle body, and outputs the rotational speed of the wheel and the rotational acceleration of the wheel to the SRE (602). The SRE (602) outputs the slip ratio according to the motor torque, the rotational speed of the wheel, and the rotational acceleration of the wheel.

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FUJIMOTO HIROSHI (JP)
FUJII KIYOSHI (JP)

PCT/JP2007/054220

March 13, 2008

March 05, 2007

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UNIV YOKOHAMA NAT (JP)
FUJIMOTO HIROSHI (JP)
FUJII KIYOSHI (JP)

B60L15/20; B60W40/064; B60W40/10; H02P29/00

JP2006115644A	2006-04-27
JP2006136177A	2006-05-25
JP2006149023A	2006-06-08
JP2001008305A	2001-01-12

TANI, Yoshikazu et al. (Akasaka 2-chome Minato-k, Tokyo 52, JP)

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