Reliability optimization allocation method based on improved Pareto artificial bee colony algorithm

Abstract

The invention discloses a reliability optimization allocation method based on an improved Pareto artificial bee colony algorithm. The method comprises the following steps of: constructing a development cost-reliability function model, a maintenance cost-reliability function model and a total cost-reliability function model of an offshore wind turbine generator set; establishing a reliability optimal distribution model of the offshore wind turbine generator set by taking the reliability of the offshore wind turbine generator set as the target and the development cost, the maintenance cost and the total cost of the offshore wind turbine generator set as the target on the basis of analyzing the reliability constraint relationship of each subsystem through the maintenance cost-reliability function model and the total cost-reliability function model. Based on the idea of Pareto multi-objective optimization, an improved artificial bee colony algorithm is proposed to be applied to solving ofa reliability optimization allocation model; the improved artificial bee colony algorithm can effectively improve the solving efficiency and solving quality of the model. For the solved Pareto non-dominated solution set of the reliability allocation scheme, a PROMETHEE-II method is adopted to perform secondary optimization on the reliability allocation scheme, and the optimal reliability allocation index of each subsystem is determined.

Description

technical field [0001] The invention belongs to the field of reliability distribution, and relates to a reliability distribution method of an offshore wind turbine, in particular to a reliability optimization distribution method based on an improved Pareto artificial bee colony algorithm. Background technique [0002] Reliability allocation is to allocate the reliability index required by the customer to each subsystem and component from top to bottom under the condition of limited time and cost, which is a process of deductive decomposition. Reliability allocation includes allocation without constraints and allocation with constraints. The unconstrained reliability allocation method comprehensively considers the importance and complexity, and decomposes the system reliability requirements into each subsystem or component by formulating various weight coefficients. Such as the similar product method, the expert score assignment method is a typical unconstrained reliability a...

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Problems solved by technology

[0006] In order to solve the problems in the prior art, the invention discloses a reliability optimization allocation method based on the improved Pareto (Pareto) artificial bee colony algorithm, which effectively solves the subjectivity and accuracy based on fuzzy allocation in the reliability allocation. In addition, it also considers the maintenance cost of offshore wind turbines, effectively improving the accuracy and objectivity of reliability allocation of offshore wind turbines.

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