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|Title:||An evolutionary algorithm with advanced goal and priority specification for multi-objective optimization||Authors:||Tan, K.C.
|Issue Date:||Jan-2003||Citation:||Tan, K.C.,Khor, E.F.,Lee, T.H.,Sathikannan, R. (2003-01). An evolutionary algorithm with advanced goal and priority specification for multi-objective optimization. Journal of Artificial Intelligence Research 18 : 183-215. ScholarBank@NUS Repository.||Abstract:||This paper presents an evolutionary algorithm with a new goal-sequence domination scheme for better decision support in multi-objective optimization. The approach allows the inclusion of advanced hard/soft priority and constraint information on each objective component, and is capable of incorporating multiple specifications with overlapping or non-overlapping objective functions via logical "OR" and "AND" connectives to drive the search towards multiple regions of trade-off. In addition, we propose a dynamic sharing scheme that is simple and adaptively estimated according to the on-line population distribution without needing any a priori parameter setting. Each feature in the proposed algorithm is examined to show its respective contribution, and the performance of the algorithm is compared with other evolutionary optimization methods. It is shown that the proposed algorithm has performed well in the diversity of evolutionary search and uniform distribution of non-dominated individuals along the final trade-offs, without significant computational effort. The algorithm is also applied to the design optimization of a practical servo control system for hard disk drives with a single voice-coil-motor actuator. Results of the evolutionary designed servo control system show a superior closed-loop performance compared to classical PID or RPT approaches. © 2003 AI Access Foundation and Morgan Kaufmann Publishers. All rights reserved.||Source Title:||Journal of Artificial Intelligence Research||URI:||http://scholarbank.nus.edu.sg/handle/10635/68118||ISSN:||10769757|
|Appears in Collections:||Staff Publications|
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