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題名 | Sliding Mode Output Feedback Control Scheme for Uncertain Dynamic Systems Including State Delay=具有滑動模式輸出回授控制器之不確定性狀態延遲系統 |
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作者 | 楊明憲; | 書刊名 | 建國學報 |
卷期 | 17 1998.06[民87.06] |
頁次 | 頁259-271 |
分類號 | 448.942 |
關鍵詞 | 滑動模式輸出回授控制; 切換超平面; 可變結構控制; 李亞普諾穩定準則; 高頻顫動現象; Sliding mode output feedback control; Switching hyperplane; Variable structure control; Lyapunov stability theory; Chattering phenomenon; |
語文 | 英文(English) |
中文摘要 | 本文針對系統狀態無法量測之考量下,提出滑動模式輸出回授控制法則,應用於 不確定性狀態延遲系統之強健穩定。本控制法則包括新的初換超平面函數及改良型可變結構 控制律之兩項設計。首先,選擇新的切換超平面函數之係數以迫使受控系統之初始輸出狀態 全部位於滑動超平面上,並獲得快速穩定滑動模式響應。再者,使用李亞普諾穩定準則來推 導近似連續性控制器的參數值,以保證滑動模式存在並消除不良高頻顫動現象。最後,藉由 模擬結果,證實所提出之控制法則能使系統產生最佳強健穩定之效果。 |
英文摘要 | A design technique of sliding mode output feedback control to achieve the robust stabilization of uncertain state-delay dynamic systems, based on the fact that the system states are not available, is presented in this paper. The new switching hyperplane and improved variable structure control law are introduced in the control scheme. First , the new switching hyperplane is determined so that the initial outputs of system are driven to be placed on the sliding hyperplane and the stability of sliding mode dynamics can be guaranteed. Further, by employing Lyapunov stability theory, a continuous approximation control law is derived to make sliding motion exist, and to eliminate the chattering phenomenon. Finally, simulation results are presented to show the effectiveness of proposed design idea. |
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