基于自适应动态窗口算法的AGV局部路径规划
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太原科技大学

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山西省基础研究计划(20210302123212)


AGV Local Path Planning Based on Adaptive Dynamic Window Approach
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1.Taiyuan University of Science and Technology;2.太原科技大学

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Shanxi Provincial Basic Research Program(20210302123212)

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    摘要:

    自动导引运输车在行驶过程中不但需要躲避静态障碍物,而且同时需要躲避移动障碍物,而常用的动态窗口局部路径规划算法,在此类情况下的避障成功率和避障效率均难以满足实际需要,为此,本文结合层次分析法提出一种新的自适应动态窗口局部路径规划算法。首先,使用层次分析法计算动态窗口算法中权重因子的值;然后,提出一种碰撞安全指标来评价当前运行状态的安全性,并结合相关参数的安全隶属度函数建立权重因子与环境因素的自反馈机制;最后,基于所创建的自适应动态窗口算法规划出避障路线。仿真结果表明,本文提出的自适应动态窗口算法能够自适应调整评价函数权重因子,有效躲避静态障碍物和移动障碍物,并在安全性,行驶时间和路径长度方面,都得到了显著优化。

    Abstract:

    The Automatic guided vehicle needs to avoid not only static obstacles, but also moving obstacles in the process of driving, and the commonly used dynamic window local path planning algorithm is difficult to meet the actual needs of the success rate of obstacle avoidance and obstacle avoidance efficiency in such cases. In this paper, a new adaptive dynamic window local path planning algorithm is proposed based on the analytic hierarchy process. Firstly, the analytic hierarchy process is used to calculate the value of the weight factor in the dynamic window approach. Then, a collision safety index is proposed to evaluate the safety of the current running state, and the self-feedback mechanism between the weight factor and the environmental factors is established by combining the safety membership function of the relevant parameters. Finally, the obstacle avoidance route is planned based on the created adaptive dynamic window approach. The simulation results show that the proposed adaptive dynamic window approach can adaptively adjust the weight factor of the evaluation function, effectively avoid static obstacles and moving obstacles, and has been significantly optimized in terms of travel time, path length and safety.

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闫林伟,范小宁.基于自适应动态窗口算法的AGV局部路径规划[J].南京信息工程大学学报,,():

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  • 收稿日期:2024-07-29
  • 最后修改日期:2024-09-15
  • 录用日期:2024-09-19
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