Drive Train Vibration and Acoustic Noise Reduction Control of Switched Reluctance Motor for Electric Vehicle

Hiroyuki Inagaki; Hiroaki Kato; Hideki Kuzuya; Masanori Sugiyama; Kenji Ikeda; Noboru Sebe

doi:10.4271/2002-01-1887

2002-06-03

Drive Train Vibration and Acoustic Noise Reduction Control of Switched Reluctance Motor for Electric Vehicle 2002-01-1887

Switched Reluctance Motor (SRM) mainly has two advantageous characteristics such as no magnet and simple construction. These characteristics contribute lower cost and higher reliability compared with other motor systems such as brushless permanent magnet motors or induction motors. However, SRM has disadvantages that are its torque ripple and acoustic noise in particularly. Moreover, the resonance frequency mode of a motor system is excited by torque ripple, and drive train vibration is caused. These noise and vibration should be suppressed when the SRM is applied to a traction system for passenger electric vehicle since these characteristics affect vehicle quietness and drivability.

In this paper, we describe an approach to suppress drive train vibration and acoustic noise. Regarding drive train vibration, we have made a motor controller by using two-degree-of-freedom (2DOF) H∞ control which satisfy quick response for torque command, very low vibration, and a robustness for variation of control characteristics caused by aging or mass production. And we also have reduced acoustic noise by using new current control algorithm to reduce radial force between a motor stator.

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Drive Train Vibration and Acoustic Noise Reduction Control of Switched Reluctance Motor for Electric Vehicle 2002-01-1887

SAE MOBILUS