【摘 要】
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Based on the traditional active steering system, a novel active steering system integrated with electric power steering function was introduced, which can a
【机 构】
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Department of Vehicle Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 21001
【出 处】
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第八届全国青年岩土力学与工程会议暨青年华人岩土工程论坛
论文部分内容阅读
Based on the traditional active steering system, a novel active steering system integrated with electric power steering function was introduced, which can achieve the functions of both active steering and electric power steering.In view of the interference from road random signal and sensor noise in the novel active steering system, the H∞ control model of the novel active steering system was built.With satisfying steering feel, good robust performance and steering stability being the control objectives, the H∞ controller for the novel active front steering (AFS) system was designed.The simulation results show that the novel AFS system with H∞ control strategy can attenuate the road interference quickly, and there is no resonance peak in the bode diagram.It can make the driver obtain more useful information in the low frequency range, and attenuate the road interference better in the high frequency range, thus the driver can get more satisfying road feeling.Therefore, the designed H∞ controller can synthesize the advantages of both robust performance and robust stability, and has certain contribution to the design of novel AFS system.
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