臺灣博碩士論文加值系統

本研究針對台中發電廠環保控制設備維修流程與系統架構提出改善方案，結合電子自動化技術、通訊協定轉換、案例式推理技術（Case-Based Reasoning，CBR）、關聯式資料庫，建立一套維修管理資訊系統（Maintenance Management Information System, MMIS），以期縮短設備故障排除時間，提高設備性能的可靠度。
在現有的硬體架構下，佈建EP/ASH控制網路連接各種不同型態的PLC控制器，利用通訊協定轉換與RSView圖控系統操作介面的整合，達到全廠及時資料存取與監控。維修資料來源是圖控工作站的內建資料點、控制系統的數位與類比信號點、工作站記錄與維修案例資料，利用網路提供的互動管道，以網頁方式提供不同使用者共享資源，並且透過案例式推理流程，擷取案例庫中過去相關可供參考的案例知識與維修所需的各項資訊，提供值班人員與維護工程師有效的故障診斷方法，以利進行故障排除工作。
在日益嚴苛的環境政策下，透過本研究開發的維修管理資訊系統，確實可以降低設備故障請修次數與縮短故障排除時間，對於台中發電廠環保控制系統穩定運轉有相當大的助益，間接提高電廠整體的營運績效。

This paper presents a maintenance management information system to provide an improving solution for the maintenance procedure and system structure of Taichung Power Plant environment protection facilities control system. This system is developed via the combination of electronic automation, protocol translation, case-based reasoning and relational database. This system aims at reducing the control system trouble-shooting time to improve the reliability and performance of the equipments.
In existence hardware architecture, the EP/ASH control network connects the various types of PLC controllers. This system utilizes the translation of the various protocols, and the integration of the RSView workstation interfaces to achieve the real-time data access and the monitoring of the whole factory. The maintain database is composed of the workstation build-in data points, control system’s digital/analog signals, workstation data-logs and maintain cases. By web browser, the system provides the user a shared data resource platform. Through the case-based reasoning cycle, the system provides the troubleshooting suggestion for fault diagnostic by retrieving the past maintain case’s knowledge and maintenance associated information, to assist the operators and engineers to do the troubleshooting task.
To face the stricter and stricter environment protection policy, this maintenance management information system could decrease the times of repair request and reduce the trouble-shooting time. The use of this system shows the stability of the running of environment protection facilities of Taichung Power Plant is helpful, and improves the total performance.

第一章　緒論
第一節　研究背景 1
第二節　研究動機 3
第三節　研究目的 6
第四節　研究範圍與限制 7
第五節　研究步驟與方法 7
第二章　文獻探討
第一節　火力發電廠EP/ASH系統 10
第二節　電子自動化控制 15
第三節　統一塑模語言（UML） 20
第四節　案例式推理 21
第三章　系統分析與設計
第一節　系統架構 28
第二節　EP/ASH控制系統整合 31
第三節　維修管理資訊系統需求分析 35
第四節　系統分析與設計 39
第四章　系統實作
第一節　系統實作環境 74
第二節　圖控工作站整合 79
第三節　資料庫規劃 82
第四節　程式架構 89
第五章　研究成果
第一節　系統實作功能 96
第二節　系統驗證 111
第六章　結論
參考文獻 117
附錄一 121
附錄二 123

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