Modelling and Analysis of a Permanent Magnet DC Motor Fed Electric Vehicle Drive System
摘要
Modern transportation has evolved from internal combustion engine to electric drive system due to the reasons that rise in demand for fossil fuels, environmental pollution and government stringent regulations. The electric vehicle technology requires an efficient system which makes it more suitable and reliable function. Thus, design and analysis of the electric vehicle drive system are a vital part to further enhance the e-vehicle technology. In this article, a combined permanent magnet DC motor and electricity generator system are proposed to drive the vehicle and produce the electrical energy for the vehicle utilities. Permanent magnet DC motor finds its advantage of simple construction and control, maintenance free and high-power density. Permanent magnet (PM) motor drives have been successfully developed to fulfil the special requirements for electric vehicles such as high-power density, high efficiency, high starting torque and high cruising speed. The components selection criteria along with the system description are given in detail. A permanent magnet DC motor (PMDC) fed electric vehicle drive system is modelled using the MATLAB/Simulink tool, and the simulated results of its static and dynamic performance have been analysed under various conditions.