Optimal Design of Installation Position and Gap of Actuator Based on Combinatorial Optimization Algorithm
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.
tube amplitudemulti-objective optimizationoptimal Latin hypercubeDOE test de-signmulti-island genetic algorithmmodified feasible direction method