A new thermal unit commitment approach using constraint logic programming

Kun Yuan Huang, Hong Tzer Yang, Ching Lien Huang

研究成果: Article同行評審

89 引文 斯高帕斯(Scopus)

摘要

The authors propose a constraint logic programming (CLP) algorithm to solve the thermal unit commitment (UC) problem in this paper. The algorithm combines the characteristics of the logic programming with the constraint satisfaction as well as the depth-first branch & bound (B&B) search techniques to provide an efficient and flexible approach to the UC problem. Through the constraint satisfaction techniques, the constraints, which consist of the upper hound on the objective value, are propagated as much as possible to actively reduce the search space of the UC problem in a priori way. Consequently, the optimal solution can be acquired in a very early stage. To demonstrate the effectiveness of the proposed approach, the practical thermal UC problem of Taiwan Power (Taipower) 38-unit system over a 24-hour period is solved by the CLP algorithm implemented in CHIP language. The results obtained are compared with those from the established methods of the dynamic programming (DP), the Lagrangian relaxation (LR) as well as the simulated annealing (SA).

原文English
頁(從 - 到)936-945
頁數10
期刊IEEE Transactions on Power Systems
13
發行號3
DOIs
出版狀態Published - 1998

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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