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Three different strategies based on a theoretical model were used to simulate engine start process respectively, start in constant speed without compensation, start in constant speed with compensation, normal start. Predication results are presented here. Bench tests were also carried out, which are related to the three control strategies. It is found that the start in constant speed with compensation,...
In the parallel hybrid electric vehicle (PHEV) the load torque and speed control are the key point for efficient driving vehicle. A dynamic model of PHEV derived by an induction motor (IM) and an internal combustion engine (ICE) is made using Simulink package in Matlab. A comparison between a conventional PID controller and a fuzzy logic control (FLC) method. Also, analysis of IM with FL at variable...
This paper presented a novel, practical high performance control scheme of interior permanent magnet synchronous motor (IPMSM) for Hybrid Electric Vehicle ( HEV) application. The control scheme improves the speed dynamic consistency in full range operation by adding torque loop in the speed control system. It adopts zero space vector time T0 feedback instead of full voltage feedback to generate an...
In the automotive propulsion systems, the engine performance is influenced by the torque variation required by the electrical machine for power generation. To attenuate this influence, this paper investigates the engine speed control problem with the compensation of electrical torque. First, a brief review of the models for the electrical machines, mainly, the simple alternator and PMSM, will be given,...
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