Research on Electronic Differential Speed Control for In-Wheel Motor Drive Electric Vehicle

Chuan Qi Zhu; Sen Wu; Yun Zhen Yang

doi:10.4028/www.scientific.net/AMM.525.337

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 525Research on Electronic Differential Speed Control...

Research on Electronic Differential Speed Control for In-Wheel Motor Drive Electric Vehicle

Abstract:

The paper studies control strategy of electronic differential for four in-wheel motors independent drive vehicle. For the in-wheel motor independent drive electric vehicle, the differential speed relationship among the two wheels is analyzed according to the Ackermann&Jeantand steering mode, building the steering differential speed mode which adapt to bench test. When a vehicle drives on a straight line, the speed of each drive wheel is equal. While on a curve, the speed between the inner wheel and the outer one must be different in order to maintain vehicle stability and avoid vehicle skid. The all wheels must meet the requirement of angular speed. Based on Matlab/Simulink software , As a input, vehicle structure parameter, steering angular and so on, this model of differential speed was structured, drive wheel differential speed relationship at different steering wheel angles was determined .Finally, this electronic differential speed control for in-wheel motor drive electric vehicle is validated through PID control closed loops bench simulation test .

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Periodical:

Applied Mechanics and Materials (Volume 525)

Pages:

337-341

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.525.337

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Online since:

February 2014

Authors:

Chuan Qi Zhu*, Sen Wu, Yun Zhen Yang

Keywords:

Ackermann&Jeantand Mode, Electronic Differential Speed, In-Wheel Motor

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* - Corresponding Author

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