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政大機構典藏 > 商學院 > 資訊管理學系 > 國科會研究計畫 > Item 140.119/53448

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/53448

Title:	彈性製造之最佳控制
Other Titles:	Optimal Control of FMS
Authors:	趙玉
Contributors:	國立政治大學資訊管理學系行政院國家科學委員會
Keywords:	Petri 網;僵局;控制;虹吸管;最佳化 Petri nets;deadlock;control;siphon;optimization
Date:	2008
Issue Date:	2012-08-30 15:49:37 (UTC+8)
Abstract:	吾人提議改進混合線性規劃方法，就是先對基本本虹吸管加入控制元件，再考慮對複合元件加入控制元件。如此 (1)減輕列舉虹吸管的數量迅速成指數隨著網的大小增長的嚴重性。(2) 減少接下混合線性規劃的執行次數。(3) 避免重新調整控制弧。(4) 避免可達分析引起的狀態爆炸問題。(5) 減少控制器的數量。(6) 比二行程的方式可達更多狀態數。吾人進一步將研討最佳化。 In this work, we propose an approach to improve the mixed integer programming (MIP) method by adding monitors to each basic siphon and find conditions for a compound siphon to be already controlled. This (1) relieves the problem of siphon enumeration which grows exponentially, (2) reduces the number of subsequent time-consuming mixed integer programming (MIP) iterations, (3) avoids the need to rearrange control arcs, (4) avoids the state-space explosion using reachability analysis, (5) reduce the number of monitors, and (6) achieve more number of states than the two-stage approach. We will further investigate how to optimize.
Relation:	基礎研究學術補助研究期間:9708~ 9807 研究經費:304仟元
Data Type:	report
Appears in Collections:	[資訊管理學系] 國科會研究計畫

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