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基于遺傳算法的電渦流測功機(jī)預(yù)測控制
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    摘要:

    利用電渦流測功機(jī)加載轉(zhuǎn)矩對外控輸入電壓的響應(yīng)特性,，建立了電渦流測功機(jī)預(yù)測控制的動(dòng)態(tài)矩陣,，采用遺傳算法對動(dòng)態(tài)矩陣控制(DMC)的參數(shù)進(jìn)行了整定,，在對電渦流測功機(jī)的機(jī)械特性進(jìn)行研究的基礎(chǔ)上，對動(dòng)態(tài)矩陣預(yù)測控制方法在電渦流測功機(jī)控制中的應(yīng)用進(jìn)行了研究,。仿真試驗(yàn)表明，采用基于遺傳算法整定DMC參數(shù)設(shè)計(jì)的DMC控制器進(jìn)行DMC控制,，轉(zhuǎn)矩從零上升到320 N?m用時(shí)約800 ms,，比不采用DMC控制時(shí)提高了60%，控制穩(wěn)定時(shí)轉(zhuǎn)矩誤差為

    Abstract:

    10 N?m。 According to the response characteristics of the load torque to the external input voltage by the eddy current dynamometer, the dynamic matrix for predictive control of the eddy current dynamometer was established. The parameters of the dynamic matrix control (DMC) were tuned by adopting genetic algorithm. Based on the research of the mechanical characteristics of the eddy current dynamometer, the application of the dynamic matrix predictive control method on the eddy current dynamometer was studied subsequently. The simulation results show that the time consuming of raising the turning torque from zero to 320 N?m is about 800 ms by using the DMC controller based on the genetic algorithm. The efficiency is improved by 60% and the torque error is 10 N?m under stability control.  

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程廣偉,周志立,鄧楚南,徐立友.基于遺傳算法的電渦流測功機(jī)預(yù)測控制[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(7):18-22.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(7):18-22.

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