Abstract
Due to the shock caused by unstable transmission of power in the mode-switch process and the difficulty of obtaining engine torque in real time, a dynamic coordinated control strategy for mode-switch of hybrid electric vehicle based on the effect control is put forward. The control strategy of engine torque is designed, which is used to reduce the abrupt changes of engine torque by limiting its changing slope. Motor torque control strategy based on motor speed closed-loop is proposed, motor speed taken as feedback control variable is easy to be measured accurately in real time. It avoids the problem of inaccuracy engine torque estimation. A simulation model is built on the platform of Matlab/Simulink and AEMSim. The results show that the dynamic coordinated control strategy can make the fluctuation of motor speed and vehicle speed decreased and effectively improve the vehicle’s ride comfort.
F2012-B02-043
National "863" High-tech Projects (2011AA11A208); Beijing Excellent Talent cultivation (2011D009004000001)
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Zhang, N., Zhao, F., Luo, Y. (2013). A Dynamic Coordinated Control Strategy for Mode-Switch of Hybrid Electric Vehicle Based on the Effect Control. In: Proceedings of the FISITA 2012 World Automotive Congress. Lecture Notes in Electrical Engineering, vol 191. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33777-2_34
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DOI: https://doi.org/10.1007/978-3-642-33777-2_34
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