Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 26, Issue 2, Pages 847-854Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2010.2059716
Keywords
Q-bit individual initialization; quantum-inspired evolutionary algorithm; single- and group-search; unit commitment
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Funding
- Department of Electrical Engineering of The Hong Kong Polytechnic University [TPWRS-00104-2010]
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Based on a quantum-inspired evolutionary algorithm for unit commitment, this paper proposed ways to advance the efficiency and robustness of the algorithm so that its capacity for application in large-scale unit commitment problems can be significantly enhanced. The paper develops an advanced quantum-inspired evolutionary unit commitment algorithm by developing a new initialization method based on unit priority list and a special Q-bit expression for ensuring diversity in the initial search area for improving the efficiency of solution searching. Different techniques such as multi-observation, single-search, and group-search are also proposed for incorporation in the advanced algorithm. The advanced algorithm is tested and compared with the earlier quantum-inspired evolutionary algorithm and a number of known methods through its applications to test systems with up to 100 generator units for a 24-h scheduling horizon.
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