基于局部搜索和遗传算法的激光切割路径优化

为了缩短激光加工时间，提高加工效率，提出了一种新的局部搜索法与遗传算法相结合的激光切割路径优化算法。该算法从加工轮廓中提取节点，通过局部搜索法对节点进行局部路径优化，再运用的遗传算法求得近似最优解，遗传算法中的选择算子改进为基于相对适应度的轮盘赌选择算子。详细介绍了算法的原理及实现，通过编程仿真证明该算法与传统的遗传算法相比具有良好的优化效果，可明显缩短加工路径，减少加工时间，提高加工效率。

Optimization of laser cutting path based on local search and genetic algorithm

To reduce the process time and improve the efficiency of laser cutting,a new combination algorithm of local search method and genetic algorithm for laser cutting path is proposed.Through local search method,the nodes extracted from the contour tool path have been optimized.Then the genetic algorithm has been used to achieve approximate optimal solution.The selection operator of genetic algorithm has been improved to be roulette operator based on relative fitness.The principle and implementation of algorithm...