本文關(guān)鍵詞：感應電能傳輸系統(tǒng)分段供電的雙自由度魯棒控制　出處：《電工技術(shù)學報》2017年18期 　論文類型：期刊論文

  更多相關(guān)文章： 感應電能傳輸 互感不確定性 廣義狀態(tài)空間平均 魯棒控制 雙自由度

【摘要】：感應電能傳輸(IPT)系統(tǒng)在采用分段供電模式時,由于跨區(qū)段處勵磁磁場強度分布不均,總會引起負載端拾取功率波動,影響系統(tǒng)穩(wěn)定性及性能。針對IPT系統(tǒng)跨區(qū)段供電的輸出穩(wěn)定問題,以LCL諧振電路并聯(lián)的IPT系統(tǒng)為研究對象,設計一種基于雙自由度魯棒控制的恒壓輸出策略。借助廣義狀態(tài)空間平均建模方法,結(jié)合跨區(qū)段處的互感擾動規(guī)律,建立參數(shù)不確定性模型;基于廣義混合靈敏度指標,通過改變輸出加權(quán)函數(shù)增益,得到快速抑制互感擾動影響的H∞魯棒控制器;在此基礎(chǔ)上,推導并設計出用于修正參考輸入的前置濾波器;實驗結(jié)果表明,雙自由度魯棒控制不僅對跨區(qū)段互感擾動影響具有較好抑制作用,且能明顯改善對參考輸入的跟蹤響應性能。
[Abstract]:When the inductive power transmission (IPT) system adopts the piecewise power supply mode, because of the uneven distribution of the magnetic field intensity at the cross-section, it will always cause the load end pick up power fluctuation. Aiming at the problem of output stability of power supply in cross-section of IPT system, the IPT system with LCL resonant circuit in parallel is taken as the research object. A constant pressure output strategy based on two degrees of freedom robust control is designed, and the parameter uncertainty model is established by means of the generalized state space average modeling method and the mutual inductance disturbance law at the cross section. Based on the generalized mixed sensitivity index, the H 鈭，

本文編號：1397141