Hybrid Electric Vehicle Motor Power Operation Control Analysis
School of Electronic Engineering, Xi’an Shiyou University, 710065 xi’an, Peoples R China
2 School of Telecommunications Engineering, Xidian University, 710071 xi’an, Peoples R China
a Corresponding author: firstname.lastname@example.org
The design of hybrid electric vehicle drive motor is based on the premise of meeting the electric requirement. As the power generation and the regenerative braking are in operation state, it can not charge the battery when the normal generating voltage of motor is lower than that of the battery. In view of the problem, the hybrid electric vehicle driving motor control system is designed. In this system, the boost operation of pulse-width modulation (PWM) method of half controlled rectifier is used to improve the power voltage, as the speed is the main measure of the feedback current and voltage. The fuzzy PID control strategy can optimize the frequency and duty cycle of PWM pulse width, and then with the generating efficiency is greatly improved. The power generation principle, control strategy and software implementation are analyzed in the paper, and its rationality is verified by experiments.
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