應用多項式模糊模型之網路控制系統強健H∞設計

Robust H∞ Design for Networked Control Systems Using Polynomial Fuzzy Model

張智恆(Chih-Heng Chang)

指導教授 ： 余國瑞

國立中正大學/工學院/光機電整合工程研究所/碩士(2013年)

摘要

這篇論文探討對於有著外部干擾與模型不確定的連續時間多項式模糊網路控制系統的強健H∞設計問題。我們考慮了基於網路環境的問題，它包含了網路引起的延遲與封包遺失。利用多項式Lyapunov函數，我們推得出多項式模糊網路控制系統的強健穩定性條件。這些強健穩定性條件擁有H∞性能，並且它們是以平方和(SOS)所表示。發展H∞多項式模糊控制器是為了網路控制系統的穩定和減少在實際應用上的外部干擾與模型不確定的影響。最後，基於TrueTime工具箱的數值模擬說明了所提出的方法的有效性與強健性能。

關鍵字

多項式模糊模型 ； H∞控制 ； 平方和 ； 網路控制系統

並列摘要

This paper investigates robust H∞ design for continuous-time polynomial fuzzy networked control systems (NCSs) with external disturbances and model uncertainties, taking into account the network-based environment issues of the network-induced delay and packet dropout. Using polynomial Lyapunov function, robust stability conditions for polynomial fuzzy NCSs are derived, which possess H∞ performance and are expressed in terms of sum of squares (SOS). A H∞ polynomial fuzzy controller is developed for the stabilization of NCSs and to attenuate the influence of external disturbances and model uncertainties in practical applications. Finally, numerical simulations based on TrueTime toolbox are conducted in order to illustrate the robust performance and effectiveness of the proposed approach.

並列關鍵字

H∞ control ； sum of squares ； Networked control systems ； polynomial fuzzy model

參考文獻

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