Design of Torsional Vibration Controller for Motor-Gearbox/Differential Drive System of Electric Vehicles

Abstract:

A torsional controller is proposed for the motor-gearbox/differential drive system of electric vehicles to suppress the torsional vibration of the system. The drive system is simplified to a 2-mass spring damper system, and the state-space equation is set up. A controller consisting of linear quadratic regular (LQR) and state observer is designed. The results of simulation show that LQR can suppress the torsional vibration effectively, enhancing the driving performance of the vehicle.

• Periodical: Applied Mechanics and Materials (Volume 437)
• Pages: 56-61
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.437.56
• Online since: October 2013
• Authors: Jian Fu Xu*, Peng Yu, Tong Zhang, Rong Guo
• Keywords: Electric Vehicle (EV), LQR, State Observer, Vibration Controller

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