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复杂三维多面体环境中空地协作追逃问题
引用本文:梁宵,王宏伦,骆海涛.复杂三维多面体环境中空地协作追逃问题[J].控制理论与应用,2021,38(5):623-633.
作者姓名:梁宵  王宏伦  骆海涛
作者单位:沈阳航空航天大学 自动化学院,北京航空航天大学 自动化科学与电气工程学院,中国科学院 沈阳自动化研究所
基金项目:国家自然科学基金项目(61973222, 61503255), 辽宁省自然科学基金项目(2019–ZD–0247), 辽宁省“兴辽英才计划”项目(XLYC1907179)资助.
摘    要:结合无人机(UAV)的空中移动和无人车(UGV)的地面移动特点,本文提出了一种UAV/UGV空地协作系统,并且针对其在复杂地形中的追逃问题,提出了一种复杂三维多面体环境中UAV/UGV空地协作追逃策略.首先介绍了UAV/UGV空地协作系统的结构与协作追逃问题描述.接着将边界值问题(BVP)改进并离散化作为博弈走法生成器.然后,针对逃方已知追方位置,而追方只具备直线视野(LOS)的不利条件,分析了最坏情况.逃方策略在保证最大生存条件下尽可能获得博弈胜利.追方策略根据逃方状态分成3种情况进行讨论:逃方处于追方的视野范围内、逃方刚刚消失于追方视野以及追方完全丢失逃方的情况.最后,对比仿真结果说明了本文算法的有效性,并分析了追逃结果的影响因素.由于地形是非凸的并且充满障碍,因此该策略虽不能保证追方一定能够胜利,但在最坏情况下是最优的.

关 键 词:追逃博弈    空地协作系统    复杂三维多面体环境    走法生成器    最坏情况
收稿时间:2019/10/29 0:00:00
修稿时间:2020/9/13 0:00:00

Collaborative pursuit-evasion of air-ground system in a complex 3D polyhedral map
LIANG Xiao,WANG Hong-lun and LUO Hai-tao.Collaborative pursuit-evasion of air-ground system in a complex 3D polyhedral map[J].Control Theory & Applications,2021,38(5):623-633.
Authors:LIANG Xiao  WANG Hong-lun and LUO Hai-tao
Affiliation:School of Automation, Shenyang Aerospace University,School of Automation Science and Electrical Engineering, Beihang University,Shenyang Institute of Automation, Chinese Academy of Sciences
Abstract:Combining the characteristic of unmanned aerial vehicle (UAV) and unmanned ground vehicle (UGV), a UAV/UGV air-ground system and its collaborative pursuit-evasion strategy in a complex 3D polyhedral map is proposed. The structure of the UAV/UGV air-ground system and the pursuit-evasion game is introduced first. Then, the discrete boundary value problem (BVP) is improved and used as move generator. According to the case of that evader knows the position of pursuers at any time but pursuers just have a line-of-sight (LOS) view, the worst case is analyzed for both of players. In the game, evader will try to win the game under the premise of ensuring survival, and the strategy of pursuers is discussed in three situations: one is evader is in the sight of pursuers, one is the position of evader is known by pursuers before a while and the last one is the position of evader is completely unknown to pursuers. The contrastive simulation results show that the method is effective and optimal in the worst case and the influencing factors of the pursuit-evasion result is also analyzed.
Keywords:pursuit-evasion game  air-ground system  complex 3D polyhedral map  move generator  worst case
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