Aiming at the firing accuracy of small-caliber gun in continuous firing,the vibration sup-pression of barrels was studied based on actuators made of giant magnetostrictive material.The DOE design was carried out based on the optimal Latin Hypercube design method.The vibration amplitude of the barrel and the force of the actuator were taken as the objective function.The installation position of the actuator and the gap between barrel and actuator were taken as design variables.An optimization algorithm was proposed based on multi-island genetic algorithm and modified feasible direction method.The approximate model was optimized by Isight multidisciplinary optimization software.After optimiza-tion,the force of the actuator is reduced by 88％,and the vibration amplitude of barrels is reduced by 52.1％.Compared with the global optimization algorithm,iteration times of the proposed combinatorial optimization algorithm are reduced by 47.6％.It means that the combinatorial algorithm composed of multi-island genetic algorithm and modified feasible direction method has higher optimization efficiency.
关键词
身管振幅/多目标优化/最优拉丁超立方/DOE试验设计/多岛遗传算法/修正可行方向法
Key words
tube amplitude/multi-objective optimization/optimal Latin hypercube/DOE test de-sign/multi-island genetic algorithm/modified feasible direction method
维普
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