The drive shaft torque information is important for the vehicle longitudinal speed control and regenerative braking control. In this paper a drive shaft torque estimator based on feedback linearization theory is proposed as torque signal is seldom measured but estimated in the production vehicle. A longitude vehicle dynamics model is established in MATLAB/Simulink environment and a model-based estimator is designed to deal with the parameters drift problem and effectiveness of the observer is tested through simulation experiments under urban road driving cycle conditions.
Drive shaft torque estimation for electric vehicles
2014-06-01
1117695 byte
Conference paper
Electronic Resource
English
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