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2025, 12, v.55 2496-2506
基于改进美洲狮优化算法的农业机器人路径规划研究
基金项目(Foundation): 甘肃省自然科学基金(25JRRA355); 甘肃省高校创新基金资助项目(2022B-107)~~
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发布时间: 2025-11-06
出版时间: 2025-11-06
网络发布时间: 2025-11-06
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摘要:

针对复杂农田环境下机器人路径规划传统算法收敛慢、易陷入局部最优问题,提出一种改进美洲狮优化算法(Puma Optimization Algorithm, POA)。算法基于仿生机制构建双阶段动态搜索策略:在探索与开发阶段引入交叉变异操作增强种群多样性,并设计概率接受准则避免局部最优;结合栅格地图建模,构建含障碍物碰撞惩罚的分段适应度函数,协同优化路径安全性与经济性。在20 m×20 m、30 m×30 m、40 m×40 m三种栅格环境中的仿真表明,相较于对比算法,改进POA最优路径长度缩短了4.4%~8.8%,平均适应度值稳定性提升了22.5%,路径平滑度(拐点数)平均减少了16.3%,验证了该算法在寻优精度、收敛效率与鲁棒性上的显著优势,为农业机器人复杂环境作业提供了高效的解决方案。

Abstract:

To address the problems of slow convergence and proneness to falling into local optimality of traditional algorithms for robot path planning in complex farmland environments, an improved Puma Optimization Algorithm(POA) is proposed. The algorithm is constructed based on a bionic mechanism to develop a two-stage dynamic search strategy. The algorithm incorporates crossover and mutation operations during both exploration and exploitation phases to enhance population diversity, while implementing a probabilistic acceptance criterion to escape local optimization. Integrated with grid map modeling, it employs a segmented fitness function with obstacle collision penalties to cooperatively optimize path safety and economy. Simulation results across 20 m×20 m, 30 m×30 m, and 40 m×40 m grid environments demonstrate that the improved POA reduces optimal path length by 4.4%~8.8%, enhances average fitness value stability by 22.5%, and decreases turning points by 16.3% compared to benchmark algorithms, validating its superior optimization accuracy, convergence efficiency, and robustness, and thus providing an efficient solution for the operation of agricultural robots in complex environments.

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基本信息:

中图分类号:S24;TP242;TP18

引用信息:

[1]虎媛,代永强.基于改进美洲狮优化算法的农业机器人路径规划研究[J].无线电工程,2025,55(12):2496-2506.

基金信息:

甘肃省自然科学基金(25JRRA355); 甘肃省高校创新基金资助项目(2022B-107)~~

发布时间:

2025-11-06

出版时间:

2025-11-06

网络发布时间:

2025-11-06

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