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In order to save fuel and reduce emission of Hybrid Electrical Vehicle (HEV), a vehicle control strategy is proposed based on the system efficiency optimal. A vehicle performance simulation model has been built on Matlab/Simulink environment. The results show that, by using this vehicle control strategy, the dynamic performance and fuel economy of the vehicle are significantly improved compared with the traditional one. Finally, The vehicle control strategy has been verified by the bench test.

Based on the linear theory of permanent magnet linear synchronous motor with low-speed（PMLSMLS）. Equivalent circuit parameters are derived. This equivalent circuit is in the same form for either salient-pole machine or non-salient pole machine without trouble of d-q axis, which can be used to analyze and evaluate the performance of PMLSMLS conveniently.