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Research on Friction Compensation Control for Electric Power Steering System

Author

Listed:
  • Shaosong Li
  • Jiafei Niu
  • Gaojian Cui
  • Zhixin Yu
  • Ren Sheng

Abstract

A novel friction compensation control method is proposed to compensate both the dynamic and static friction torque of steering system. The change of EPS assist torque under fixed amplitude friction compensation torque can cause the diver’s steering feeling fuzzy. That is due to the fact that the friction torque felt by driver varies with EPS assist gain. Therefore, a further modified friction compensation control method is proposed based on EPS assist gain to make the driver have similar friction feeling. Finally, computer simulation and vehicle test are performed to verify the effectiveness of adaptation method in the proposed controller. Test results indicate that the proposed controller improved the driver’s steering performance.

Suggested Citation

  • Shaosong Li & Jiafei Niu & Gaojian Cui & Zhixin Yu & Ren Sheng, 2016. "Research on Friction Compensation Control for Electric Power Steering System," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-5, April.
    • Handle: RePEc:hin:jnlmpe:8470786
    DOI: 10.1155/2016/8470786
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