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電動助力轉(zhuǎn)向綜合前饋和模糊PID反饋的電流控制算法
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F(xiàn)eed-forward Integrated with Fuzzy PID Feedback Current Control Algorithm in Electric Power Steering
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    摘要:

    針對電動助力轉(zhuǎn)向中的電流跟隨控制問題，通過建立系統(tǒng)數(shù)學模型，分析系統(tǒng)型別，研究了常規(guī)PID控制和模糊PID控制在電流控制中的不足，采用前饋和反饋綜合控制的思想，提出了綜合前饋和模糊PID反饋的電流控制算法。通過實驗對比表明，前饋和模糊PID反饋的綜合控制方法可顯著提高電流跟隨控制的穩(wěn)定性、快速性和準確性。

    Abstract:

    In order to solve the current tracking control problem in electric power steering (EPS), the system mathematical model was established and the system type was analyzed, disadvantages of the conventional PID control and fuzzy PID control were studied. Using the feed-forward and feedback integrating control theory, a feed-forward control integrated with fuzzy PID feedback control algorithm was proposed. Experiment comparisons showed that the proposed algorithm could significantly improve the system stability, response rapidity and following accuracy in current control of electric power steering system. 

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呂威,郭孔輝,張建偉.電動助力轉(zhuǎn)向綜合前饋和模糊PID反饋的電流控制算法[J].農(nóng)業(yè)機械學報,2010,41(8):10-15.F(xiàn)eed-forward Integrated with Fuzzy PID Feedback Current Control Algorithm in Electric Power Steering[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(8):10-15.

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