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題名 | Model Conversion and Redesign of a Sampled-Data Uncertain System Using Simpson's Rule=利用辛蒲森法推導資料取樣不確定系統之模式轉換及重新設計法則 |
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作者 | 謝兩參; 黃奇; Shieh, Leang-san; Hwang, Chyi; Dikkala,Udayini; |
期刊 | Journal of the Chinese Institute of Electrical Engineering |
出版日期 | 19990800 |
卷期 | 6:3 1999.08[民88.08] |
頁次 | 頁179-194 |
分類號 | 448.942 |
語文 | eng |
關鍵詞 | 數位模式化; 數位重新設計; 資料取樣系統; 不確定系統; 區間代數; Digital modelling; Digital redesign; Sampled-data systems; Uncertain systems; Interval arithmetic; |
中文摘要 | 本文提出一種新方法以得到連續時域不確定系統之數位模式並達到資料取樣不確 定系統的數位重新設計,辛蒲森法,亦即Newton-cotes封閉積分法,被使用於將連續時間 之區間系統轉換成其對等之數位區間模式及實現類比控制器之數位化,其數位化過程中同時 考慮採樣點間之行為及實現化所產生之誤差等因素,基於所得到的數位模式,那些已被完整 建立的連續時域理論及設計法得以直接被使用到資料採樣不確定系統。同時此數位重新設計 之控制器得以在較長採樣時間下,達到吻合數位重新設計資料取樣系統狀態及原先類比控制 系統狀態之目的。 |
英文摘要 | This paper presents a new method for the digital model conversion of continuous-time uncertain systems and digital redesign of a sampled-data uncertain system. Simpson's 3/8 Rule. (which is the Newton-Cotes closed integration formula.)is employed to convert a continuous-time interval system into an equivalent discretetime interval model and to carry out discretization of the analogue controller, taking into account the inter sample behavior and implementation errors. for digital control of a continuous-time interval system. Based on the converted model. Well-established theories and design methods in the discrete-time domain can be directly utilized for analysis and design of sampled-data uncertain systems. Also, the digitally redesigned controller developed is able to closely match the states of the digitally controlled sampled-data uncertain system with those of the original analogously controlled continuous-time uncertain system for a relatively longer sampling period. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。