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題名 | Nonlinear Control of Adiabatic Tubular Reactors: A Computer-assisted Design=絕熱管式反應器之非線性控制:電腦輔助設計 |
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作 者 | 吳煒; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷期 | 32:4 2001.07[民90.07] |
頁次 | 頁373-382 |
分類號 | 460.02 |
關鍵詞 | 絕熱管式反應器; 非線性控制; 電腦輔助設計; Tubular reactor; Nonlinear control; Numerical method; Observer-based design; Disturbance rejection; |
語文 | 英文(English) |
中文摘要 | 本文探討在單一操作變數下處理絕熱管式反應器的輸出規則。設計過程分成兩階段,一是建立可行操作條件與利用電輔助設計達成模式簡化。依據有限差分建立之非線性模式與可用幾何控制技巧,進而建立一特定線性化架構。接著,藉由提出的再修正設定點設計,則可以減少程序的時延影響及促成漸進性輸出規則。若僅考慮程序中二個分散輸出可以量測時,則發展出以觀測器為基的非線性控制器能成功用於系統上。最後,文中也針對傳統線性控制與所提控制應用等方法提供比較性結果。 |
英文摘要 | This article deals with output regulation of an adiabatic tubular reactor by virtue of a single manipulated input. The design procedure is divided by two stages. First, the feasible operating condition needs to be determined and computer-assisted design can be used to perform model reduction. Based on the established finite difference-based nonlinear model and the available geometric control technique, the specified linearization framework is addressed. Second, the re-corrected setpoint design is proposed such that the effect of process deadtime can be reduced and asymptotic output regulation achieved. When only two spatial outputs in the process can be meas-ured, the developed observer-based nonlinear controller can be successfully implemented. A com-parison of results obtained using the conventional linear control and the proposed control scheme is given. |
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