论文:2014,Vol:32,Issue(5):688-692
引用本文:
谭雁英, 胡淼, 祝小平, 周洲. 基于人机合作策略下SAS算法的多无人机路径再规划[J]. 西北工业大学
Tan Yanying, Hu Miao, Zhu Xiaoping, Zhou Zhou. Path Replanning Approach for Multiple UAVs Based on SAS(Sparse A * Search) Algorithm under Human Automation Collaboration[J]. Northwestern polytechnical university

基于人机合作策略下SAS算法的多无人机路径再规划
谭雁英, 胡淼, 祝小平, 周洲
1.西北工业人学无人机所, 陕西 西安 710065;
2.西北工业人学无人机特种技术重点实验室, 陕西 西安 710065
摘要:
针对复杂多变的战场环境中多无人机路径再规划,给出了一种人机合作策略下的改进稀疏A *算法。提出在局部路径再规划动态窗口内人工干预给出必经子目标点,再通过 SAS 算法自动规划出路径的人机交互策略;采用路径再规划约束条件对生成的路径节点进行了合并处理。仿真实验表明,上述改进的SAS 算法,有效约束了SAS 算法可行解空间,降低了算法的计算量,并且减少了生成路径点的个数,缩短了数据传输时间,获得了多无人机规避突发威胁/危险、 避碰的令人主观满意的再规划路径。
关键词:    稀疏A*算法    人机合作    路径再规划    多无人机    突发威胁   
Path Replanning Approach for Multiple UAVs Based on SAS(Sparse A * Search) Algorithm under Human Automation Collaboration
Tan Yanying, Hu Miao, Zhu Xiaoping, Zhou Zhou
1. UAV Research Institute, Northwesern Polytechnical Univrsity, Xi'an 710065, China;
2. Science and Technology on UAV Laboratory, Northwestern Polytechnic University, Xi'an 710065, China
Abstract:
An improved path replanning sparse A* search algorithm based on the strategy of humanautomation col-laboration is proposed for multiple UAVs under complex and dynamic war environment.The proposed strategy isthat the sub}oal waypoints can be inserted manually in the dynamic path replanning window through human-auto-mation collaboration with the A* algorithm executing automatically.The replanning waypoints are processed furtherand merged.Simulation experimental results and their analysis show preliminarily that the above method can obtainan subjectively satisfactory result rapidly satisfying the requirements of popup-threat avoidance,collision avoidanceamong multiple paths,reducing search space and computation time,and making the number of replanned waypointssmaller and transmission time shorter.
Key words:    improved SAS (Sparse A * Search) algorithm    multiple unmanned aerial vehicles(UAVs)    human-automation collaboration    path planning    popup threats   
收稿日期: 2014-03-18     修回日期:
DOI:
基金项目: 上下标
通讯作者:     Email:
作者简介: 谭雁英(1967-),女,西北工业人学研究员、博士,主要从事无人机自主飞行智能管理、任务规划及组合导航控制研究。
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