大加減速軸向移動(dòng)系統(tǒng)自適應(yīng)反步邊界控制
發(fā)布時(shí)間：2018-11-18 07:44
【摘要】：針對(duì)具有大加減速和系統(tǒng)參數(shù)不確定性的軸向移動(dòng)系統(tǒng)振動(dòng)主動(dòng)控制問(wèn)題,基于Lyapunov直接法、經(jīng)典反步控制和自適應(yīng)技術(shù),提出自適應(yīng)反步邊界控制算法對(duì)系統(tǒng)振動(dòng)進(jìn)行主動(dòng)控制,并以符號(hào)函數(shù)處理邊界擾動(dòng).同時(shí),考慮不連續(xù)符號(hào)函數(shù)在工程上易引起輸入顫振,設(shè)計(jì)飽和函數(shù)替代控制器中符號(hào)函數(shù),以提升振動(dòng)控制品質(zhì).所設(shè)計(jì)的控制算法能夠補(bǔ)償系統(tǒng)參數(shù)不確定性,確保閉環(huán)系統(tǒng)穩(wěn)定性.數(shù)字仿真結(jié)果驗(yàn)證了所提出的控制算法的有效性.
[Abstract]:Aiming at the active vibration control problem of axial moving system with large deceleration and uncertain system parameters, the paper is based on Lyapunov direct method, classical backstepping control and adaptive technology. An adaptive backstepping boundary control algorithm is proposed to control the vibration of the system, and the symbolic function is used to deal with the boundary disturbance. At the same time, considering that the discontinuous symbol function is easy to cause the input flutter in engineering, the saturation function is designed to replace the symbol function in the controller to improve the vibration control quality. The proposed control algorithm can compensate for the uncertainty of the system parameters and ensure the stability of the closed loop system. The digital simulation results verify the effectiveness of the proposed control algorithm.
【作者單位】： 華南理工大學(xué)自動(dòng)化科學(xué)與工程學(xué)院;廣州現(xiàn)代產(chǎn)業(yè)技術(shù)研究院;廣東第二師范學(xué)院計(jì)算機(jī)科學(xué)系;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(61203060) 廣東省科技計(jì)劃項(xiàng)目(2016B090912003,2016B010126001,2015B010101003,2014A090906010,2014A090906009) 2017年華南理工大學(xué)中央高�；究蒲袠I(yè)務(wù)費(fèi)項(xiàng)目 廣東第二師范學(xué)院教授博士科研專項(xiàng)項(xiàng)目(2014ARF25)
【分類號(hào)】：O231
[Abstract]:Aiming at the active vibration control problem of axial moving system with large deceleration and uncertain system parameters, the paper is based on Lyapunov direct method, classical backstepping control and adaptive technology. An adaptive backstepping boundary control algorithm is proposed to control the vibration of the system, and the symbolic function is used to deal with the boundary disturbance. At the same time, considering that the discontinuous symbol function is easy to cause the input flutter in engineering, the saturation function is designed to replace the symbol function in the controller to improve the vibration control quality. The proposed control algorithm can compensate for the uncertainty of the system parameters and ensure the stability of the closed loop system. The digital simulation results verify the effectiveness of the proposed control algorithm.
【作者單位】： 華南理工大學(xué)自動(dòng)化科學(xué)與工程學(xué)院;廣州現(xiàn)代產(chǎn)業(yè)技術(shù)研究院;廣東第二師范學(xué)院計(jì)算機(jī)科學(xué)系;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(61203060) 廣東省科技計(jì)劃項(xiàng)目(2016B090912003,2016B010126001,2015B010101003,2014A090906010,2014A090906009) 2017年華南理工大學(xué)中央高�；究蒲袠I(yè)務(wù)費(fèi)項(xiàng)目 廣東第二師范學(xué)院教授博士科研專項(xiàng)項(xiàng)目(2014ARF25)
【分類號(hào)】：O231
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