基于自适应改进遗传算法的最优路径规划

Jiaxing Zhao, Jiale Zhang, Yatao Shi, Lianshuan Shi
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引用次数: 2

摘要

针对简单遗传算法在求解移动机器人路径规划时容易陷入局部最优的问题,提出了一种改进的自适应遗传算法用于机器人路径规划。首先,采用不连续连续法对种群进行初始化,并引入精英替换策略,使个体具有较好的基因结构和优良的特征,并保证全局最优;引入交叉和变异算子的自适应调整策略,提高了算法的收敛速度。在突变操作后,提出了突变质量算子,使突变个体始终处于最优状态;在适应度函数中加入平滑度指标,并引入惩罚因子,使规划路径更加平滑高效。最后,将该算法与传统遗传算法进行了比较。实验结果表明,改进后的算法具有较高的搜索效率,能够获得较好的路径规划结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Based on adaptive improved genetic algorithm of optimal path planning
Aiming at the problem that simple genetic algorithm is easy to fall into local optimum when solving the path planning of mobile robots, an improved adaptive genetic algorithm is proposed for robot path planning. First, use the discontinuous continuity method to initialize the population, and introduce the elitist replacement strategy, so that the individual has a better gene structure and excellent characteristics, and ensure the global optimization; introduce an adaptive adjustment strategy for the crossover and mutation operators to improve the convergence speed of the algorithm. After the mutation operation, the mutation high-quality operator is proposed to keep the mutated individual always optimal; the smoothness index is added to the fitness function, and the penalty factor is introduced to make the planned path more smooth and efficient. Finally, the algorithm is compared with the traditional genetic algorithm. Experimental results show that the improved algorithm has higher search efficiency and can obtain better path planning results.
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