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頁籤選單縮合
題 名 | 撓性結構的干擾辨識與排除=Adaptive Identification and Rejection of Disturbance for Flexible Structures |
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作 者 | 李武鉦; | 書刊名 | 技術學刊 |
卷 期 | 13:4 1998.12[民87.12] |
頁 次 | 頁563-570 |
分類號 | 448.942 |
關鍵詞 | 適應控制; 撓性結構; 格子狀濾波器; 干擾抑制; Adaptive control; Flexible structures; Lattice filter; Disturbance rejection; |
語 文 | 中文(Chinese) |
中文摘要 | 本文研究撓性結構定型性干擾的適應辨識與干擾抑制。研究中所提出的控制器可 分為兩部份;一部份根據系統模型設計,來穩定系統,另一部份依據干擾模型設計,來排除 干擾的影響。當干擾改變時,控制器干擾抑制的部份可輕易的根據新的干擾模型重新設計, 而不更動控制器中穩定系統的部份。 干擾模型和系統模型的辨識,從格子狀濾波器而來。格子狀濾波器的階數遞迴特性,使它用 在系統辨識上時,輕易的有變階的效果,這使它特別適用於撓性結構及未知干擾的辨識。本 文以數值模擬的方式,把提出的控制器應用在一個撓性樑的控制與干擾排除上,証明所提出 的控制器確實可行。 |
英文摘要 | This paper addresses adaptive identification and rejection of deterministic disturbances. The controller is separated into two parts: one part is designed based on the system plant to stablize the system, the other part is designed based on disturbance dynamics to reject disturbances. When disturbances change, the part of the controller that rejects the disturbances can be efficiently redesigned without changing the part of the controller that stablizes the plant. The identification of disturbance dynamics as well as the system plant are performed by a lattice filter. The recursive property of the lattice filter makes it become an order-variable identifier that is especially suitable for identification of flexible structures and unknown disturbance dynamics. Numerical examples were used to verify the feasibility of the proposed controller by applying it to the control of a flexible beam. |
本系統中英文摘要資訊取自各篇刊載內容。