Optimizing the shape of an impeller using the differential ant-stigmergy algorithm

Authors:
Peter Korošec;Jurij Šilc;Klemen Oblak;Franc Kosel
Affiliations:
Jožef Stefan Institute, Computer Systems Department, Ljubljana, Slovenia and University of Primorska, Faculty of Mathematics, Science and Information Technologies, Koper, Slovenia;Jožef Stefan Institute, Computer Systems Department, Ljubljana, Slovenia;Domel Ltd., Electromotors and household devices, Železniki, Slovenia;University of Ljubljana, Faculty of Mechanical Engineering, Ljubljana, Slovenia
Venue:
PPAM'07 Proceedings of the 7th international conference on Parallel processing and applied mathematics
Year:
2007

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Abstract

A metaheuristic optimization algorithm for solving multiparameter optimization problems is presented. The algorithm is applied to a real-world problem, where the aerodynamic power efficiency of the radial impeller of a vacuum cleaner is optimized. Here, the radial impeller is presented using parametric modeling. Due to the large number of parameters and, consequently, the enormous search space, an efficient metaheuristic approach is inevitable. Therefore, the so-called Differential Ant-Stigmergy Algorithm, which is an extension of the Ant-Colony Optimization for a continuous domain, is applied. The result of this is that the aerodynamic power of the radial impeller is increased by twenty percent.