Design and Control Strategy of a 4WD Hybrid Electric Vehicle with a Two-Speed Transmission

2013 ◽  
Vol 380-384 ◽  
pp. 605-608
Author(s):  
Ze Yu Chen ◽  
Xue Jiao Li ◽  
Bin Jiao
Keyword(s):  
Electric Vehicle ◽  
Control Strategy ◽  
Power Distribution ◽  
Hybrid Electric Vehicle ◽  
System Structure ◽  
Parallel Hybrid Electric Vehicle ◽  
Shifting Strategy ◽  
Parallel Hybrid ◽  
Hybrid Electric ◽  
And Control

A new-style four-wheeled driving (4WD) series-parallel hybrid electric vehicle (HEV) plus with a two speed transmission is presented in this paper. The system structure and operation principles are discussed systematically, and then the control strategy is proposed. Control strategy focus on the multi modes switch logic and power distribution. In addition, shifting strategy of the two speed transmission is researched. Simulation results indicate that the presented 4WD HEV can realize nice dynamic property; the presented control strategy is correct and effective.

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