NDLI: Fitness estimation and the particle swarm optimisation algorithm

Content Provider	IEEE Xplore Digital Library
Author	Hendtlass, T.
Copyright Year	2007
Description	Author affiliation: Swinburne Univ. of Technol., Hawthorn (Hendtlass, T.)
Abstract	The time taken performing fitness calculations can dominate the total computational time when applying Particle Swarm Optimisation (PSO) to complex real life problems. This paper describes a method of estimating fitness, and the reliability of that estimation, that can be used as an alternative to performing some true fitness calculations. The fitness estimation is always made, but, should the reliability of this fitness estimation drop below a user specified threshold, the estimate is discarded and a true fitness evaluation performed. Results are presented for three problems that show that the number of true fitness evaluations can be significantly reduced by this method without degrading the performance of PSO. Further the value used for the threshold, the only new parameter introduced, is shown not to be sensitive, at least on these test problems. Provided that the time to perform a true fitness evaluation is far longer than the time for the fitness and reliability calculations, a substantial amount of computing time can be saved while still achieving the same end result.
Starting Page	4266
Ending Page	4272
File Size	184002
Page Count	7
File Format	PDF
ISBN	9781424413393
DOI	10.1109/CEC.2007.4425028
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-25
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Particle swarm optimization Performance evaluation Computational efficiency Life estimation Information technology Australia Degradation Testing Parallel processing Computational modeling
Content Type	Text
Resource Type	Article

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