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Driving Torque Transfer System for FWD with Steering Wheel Torque Compensation
FISITA2010/F2010D022

Authors

Wakamatsu, Kiyoshi* - Honda R&D Co., Ltd.
Nishimori, Takashi - Honda R&D Co., Ltd.

Abstract

This paper deals with a driving torque transfer system for front-wheel drive vehicles from a viewpoint of vehicle dynamic control, in which two control techniques, yaw moment control and steering wheel torque compensation, are proposed. The first one adopts the two-degreeof- freedom control structure comprising yaw rate following and stabilizing control, each of which enables to specify the turning and stability performance of vehicle lateral dynamics independently. The second one is a compensation technique which reduces the torque steer due to driving torque transfer between front wheels by applying yaw rate feedback to an electric power steering. Experimental data using a test vehicle demonstrate the effectiveness of these techniques.

Keywords: DYC, Torque transfer, Front-wheel drive, Torque steer, Feedback, EPS

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