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Development of Average Inverter Model for Analysis of Automotive Electric Drive System  

Choi, Chin-Chul (Graduate School, Department of Control and Instrumentation Engineering, Changwon National University)
Bae, Kyu-Tae (Graduate School, Department of Control and Instrumentation Engineering, Changwon National University)
Lee, Woo-Taik (Department of Control and Instrumentation Engineering, Changwon National University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.18, no.6, 2010 , pp. 23-30 More about this Journal
Abstract
A detailed circuit level model requires a small sampling time to represent high frequency switching behaviors with proper resolution. The small sampling time leads a large execution time to obtain the system analysis results. As the alternative of the detailed circuit model, an averaged PWM switch model was proposed for the rapid system level analysis. There exists a voltage distortion between the reference and output voltage because of non-ideal switching characteristics, such as the dead-time, diode forward voltage drop and conduction resistance. This paper analyzed causes and effects of the voltage distortion. The average inverter model, which reflecting this voltage distortion, is developed for the rapid and accurate analysis of automotive electric drive system in MATLAB/Simulink environment. The rapidity and accuracy of the proposed inverter model is proved through comparison between simulation and experiment.
Keywords
Permanent magnet synchronous motor; Inverter; Model; Simulation; PWM;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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