Application of Improved Genetic Algorithm in Maintenance Decision for Turbine-Generator Unit

Qing He; Jian Ding Zhang

doi:10.4028/www.scientific.net/AMM.44-47.2940

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 44-47Application of Improved Genetic Algorithm in...

Application of Improved Genetic Algorithm in Maintenance Decision for Turbine-Generator Unit

Abstract:

The complicated function relations are more prone to appear in the maintenance scheduling of steam-turbine generator unit. Many constrained conditions are often attendant with these function relations. In these situations, the traditional method often can not obtain the exact value. The genetic algorithm (GA), a kind of the heuristic algorithms, does not need the function own good analytic properties. In addition, as the operating unit of GA is the group, so it applies to the parallel computing process. In GA executive process, the offspring continually inherit the genes from the parents, so it is more prone to be involved in the local convergence. An improved genetic algorithm is proposed and used in the model of maintenance decision of turbine-generator unit under. The goal of the model is to seek to the rational maintenance scheduling of the generator unit, so as to minimize the sum of the maintenance expense, the loss of the profit on the generated energy, and the loss of the penalty. It is proved by the example that IGA is highly efficient.

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Periodical:

Applied Mechanics and Materials (Volumes 44-47)

Pages:

2940-2944

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.44-47.2940

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Online since:

December 2010

Authors:

Qing He, Jian Ding Zhang

Keywords:

Complex Method, Genetic Algorithm (GA), Maintenance Decision, Turbine-Generator Unit

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