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研究生: 康安
Kang, An
論文名稱: 以自動機為基礎的診斷測試步驟搜尋方法
An Automata Based Approach to Identify Diagnostic Test Procedures
指導教授: 張珏庭
Chang, Chuei-Tin
學位類別: 碩士
Master
系所名稱: 工學院 - 化學工程學系
Department of Chemical Engineering
論文出版年: 2013
畢業學年度: 101
語文別: 中文
論文頁數: 122
中文關鍵詞: 批次製程診斷測試自動機離散事件系統
外文關鍵詞: Batch Process, Diagnostic Test, Automaton, Discrete-Event System
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  • 在自動化批次製程的操作過程中,不免會發生硬體設備的故障,若無法利用既有線上測量數據,有效率地即時偵測到並診斷出失誤根源,則可能會造成嚴重的災害。本研究根據離散事件系統(discrete event system)理論發展出執行額外測試步驟的策略,以提升診斷效能。具體言之,我們藉由系統化方法建造出自動機模型來表示製程中所有元件和控制規範,即可據以自動搜尋出最適的診斷測試步驟。最後,我們也計畫進行一系列實際案例研究,來驗證提出方法的可行性。

    Hardware failures are inevitable random events in operating any batch chemical plant. If fault origins are not diagnosed efficiently and accurately with online sensors, the subsequent consequences may be catastrophic. In order to enhance diagnostic performance, a novel approach is proposed in this study to synthesize test procedures on the basis of discrete-event system (DES) theory. In particular, all components in the given system and the required control specifications are first modeled systematically with automata and, then, an optimal operating procedure can be identified accordingly to differentiate the fault origins as much as possible. Finally, a series of realistic case studies are planned to confirm the validity and effectiveness of this proposed approach.

    目錄 中文摘要....................................................I Abstract..................................................II 誌謝.....................................................III 目錄......................................................IV 圖目錄........................................................................................VIII 表目錄..................................................................................................XVII 第一章 緒論..............................................................................................1 1.1 研究動機.....................................................................................1 1.2 文獻回顧.....................................................................................1 1.3 研究目的.....................................................................................3 1.4 章節與組織.................................................................................3 第二章 依自動機模型搜尋最佳操作步驟的方法..................................4 2.1 自動機模型.................................................................................4 2.2 平行組合.....................................................................................6 2.2.1 起點可達區塊..........................................................................6 2.2.2 平行組合之步驟......................................................................7 2.3 批次製程中的分層結構.............................................................9 2.4 監督控制架構...........................................................................10 2.4.1 控制規範................................................................................11 2.4.2 輔助限制................................................................................12 2.5 案例說明...................................................................................13 2.5.1 系統描述................................................................................13 2.5.2 元件模型................................................................................14 2.5.3 規範模型................................................................................16 2.5.4 操作步驟................................................................................16 第三章 失誤診斷測試步驟的合成方法................................................20 3.1 失誤診斷器的建造方法...........................................................20 3.2.診斷器內事件串........................................................................30 3.3 診斷測試步驟的搜尋方法.......................................................32 3.3.1 操作目標................................................................................32 3.3.2 最適步驟................................................................................32 第四章 案例探討....................................................................................45 4.1 三儲槽系統...............................................................................45 4.2 啤酒裝瓶工廠...........................................................................61 第五章 結論與展望..............................................................................102 參考文獻................................................................................................103 附錄I......................................................................................................106 附錄II.....................................................................................................109 附錄III....................................................................................................114

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