基于改进型飞蛾火焰算法的区间非概率可靠性优化设计

An Optimization Design of Interval Non-probabilistic Reliability Based on Improved Moth-Flame Algorithm

可靠性优化设计一般属于双层嵌套优化问题,针对可靠性优化问题中计算复杂、存储量大以及易陷入局部最优等不足,研究基于改进型飞蛾火焰算法的区间模型非概率可靠性优化问题,对内层可靠性分析采用了MATLAB内部函数Vpasolve,而对外层优化采用改进型飞蛾火焰算法,建立了基于改进型飞蛾火焰算法的可靠性优化设计模型,使其更利于优化计算。通过实例表明：该方法计算过程简单,速度快,为结构非概率可靠性优化提供了一种新的研究思路。

The reliability optimization design is a common double nested optimization problem. As the reliability optimization problem of complex calculation and large storage capacity and easy to fall into the local extremum,researched interval model based on the improved moth-flame algorithm for non-probabilistic reliability optimization,reliability analysis of inner layer using MATLAB internal Vpasolve function,the outer layer optimization using the improved moth-flame algorithm. In order to establish the reliability optimization design model of based on the improved moth-flame algorithm,to make it more conducive to optimization. An example shows that the method is simple and fast,and provides a new idea for the non-probabilistic reliability optimization of structures.