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題 名 | 懲罰函數-直接搜尋法應用於考慮環保限制之經濟調度=Environmentally-Constrained Economic Dispatch Using a Penalty Function-Direct Search Method |
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作 者 | 陳俊隆; | 書刊名 | 技術學刊 |
卷 期 | 21:2 民95.06 |
頁 次 | 頁135-143 |
分類號 | 448.115 |
關鍵詞 | 懲罰函數-直接搜尋法; 多重污染控制; 經濟調度; Penalty function-direct search method; Multiple emissions control; Economic dispatch; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究擬提出一套簡單、有效之演算法,以解決考量環保限制之經濟調度問題。對於處理污染限制之經濟調度問題,本文乃採懲罰函數-直接搜尋演算法以改善傳統直接搜尋法容易落入局部最佳解的問題。首先,將調度週期內污染量限制的不等式限制條件,經由懲罰函數轉換將其併入目標函數;其次,改良型直接搜尋法則用以最小化此目標函數,許多不等式限制條件及非凸集之機組燃料成本曲線皆可經由直接搜尋的程序來適當地控制;最後透過懲罰參數規律性的調整以逼近全域或接近全域最佳解。實例模擬結果顯示,比起其它文獻已經發表的最佳化技巧,本文所提出的演算法能以合理的時間內求得較高品質的解。 |
英文摘要 | This paper develops a simple and efficient approach for solving the environmentally-constrained economic dispatch (ECED). The conventional direct search method (DSM) makes no guarantee that the solutions are optimal or even close to the optimal solution for solving the ECED problem. This situation can be improved by the proposed approach, a penalty function–direct search method (PF-DSM). First, the total emission limit over the scheduling horizon is constrained by adding it as the exact penalty term to the objective function to form a generalized objective function. Second, an improved direct search method is also applied to minimize the generalized objective function. A number of inequality and equality constraints and nonconvex unit cost functions can be handled properly in the direct search procedure. Finally, satisfactory solutions were obtained by regularly adjusting the penalty parameter. The results obtained by use of the proposed algorithm are compared with those obtained using previously published methods to illustrate the merits of this technique. |
本系統中英文摘要資訊取自各篇刊載內容。