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首頁> 外文期刊>IEE Proceedings. Part B, Electric Power Applications >Adaptive backstepping speed controller design for a permanent magnet synchronous motor
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Adaptive backstepping speed controller design for a permanent magnet synchronous motor

機(jī)譯：永磁同步電動(dòng)機(jī)的自適應(yīng)反步調(diào)速控制器設(shè)計(jì)

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In the paper, a nonlinear adaptive speed controller for a permanent magnet synchronous motor based on a newly developed adaptive backstepping approach (PMSM) is presented. The exact input-output feedback linearisation control law is first introduced without any uncertainties in the system. However, in real applications, the parameter uncertainties such as the stator resistance and viscous constant and load torque disturbance have to be considered. In this case, the exact input-output feedback linearisation approach is not very effective, because it is based on the exact cancellation of the nonlinearity. To compensate the uncertainties and the load torque disturbance, the input-output feedback linearisation approach is first used to compensate the nonlinearities in the nominal system. Then, a nonlinear adaptive backstepping control law and parameter uncertainty, and load torque disturbance adaptation laws, are derived systematically by using adaptive backstepping technique. Simulation and experimental results clearly show that the proposed adaptive scheme can track the speed reference signal generated by a reference model, successfully, and that the scheme is robust to the parameter uncertainties and load torque disturbance.
機(jī)譯：本文提出了一種基于新開發(fā)的自適應(yīng)反步法（PMSM）的永磁同步電機(jī)非線性自適應(yīng)速度控制器。首先引入精確的輸入-輸出反饋線性化控制律，而系統(tǒng)中沒有任何不確定性。但是，在實(shí)際應(yīng)用中，必須考慮參數(shù)不確定性，例如定子電阻和粘性常數(shù)以及負(fù)載轉(zhuǎn)矩?cái)_動(dòng)。在這種情況下，精確的輸入-輸出反饋線性化方法不是很有效，因?yàn)樗诜蔷€性的精確抵消。為了補(bǔ)償不確定性和負(fù)載轉(zhuǎn)矩?cái)_動(dòng)，首先使用輸入輸出反饋線性化方法來補(bǔ)償標(biāo)稱系統(tǒng)中的非線性。然后，采用自適應(yīng)反步技術(shù)系統(tǒng)地推導(dǎo)了非線性自適應(yīng)反步控制律和參數(shù)不確定性以及負(fù)載轉(zhuǎn)矩?cái)_動(dòng)自適應(yīng)律。仿真和實(shí)驗(yàn)結(jié)果清楚地表明，所提出的自適應(yīng)方案能夠成功跟蹤參考模型產(chǎn)生的速度參考信號(hào)，并且該方案對(duì)參數(shù)不確定性和負(fù)載轉(zhuǎn)矩?cái)_動(dòng)具有魯棒性。

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