无人机搜索和跟踪的模糊认知控制器设计方法

来源期刊:中南大学学报(自然科学版)2015年第9期

论文作者:魏瑞轩 崔军辉 张小倩 祁晓明

文章页码:3279 - 3287

关键词:无人机;搜索;目标跟踪;模糊认知图;运动轨迹

Key words:unmanned aerial vehicle; searching; target following; fuzzy cognitive maps; motion trajectory

摘    要:搜索和跟踪是无人机应用中非常重要的问题,采用模糊认知图理论提出一种智能控制器设计方法。所设计的模糊认知控制器在改变无人机动作行为的同时能使任务航线稳定而平滑地切换,地面操作员只需下达基本指令,就能够以外部事件节点激活和改变无人机执行搜索和跟踪任务的行为节点,实现人和无人机基于语义的高层次交互。研究结果表明:这种模糊认知控制器能够根据地面操作员指令等基本事件自动实现无人机行为的过渡和其运动轨迹的平滑切换,明显减小地面操作员的工作量。

Abstract: Searching and target-tracking is a very important problem for unmanned aerial vehicle application. A kind of fuzzy cognitive controller based on fuzzy cognitive map theory was designed. The fuzzy cognitive controller governed and managed behavior coordination when pacing nodes were used to regulate behavior transitions. Meanwhile, transitions of the unmanned aerial vehicle flying trajectories were continuous and smooth from one behavior mode to another, and just by using a simple instruction, an operator was able to make upper semantic based interaction between man and UAV. As soon as the instruction was issued all the other actions taken by the UAV were autonomous, and managed by the fuzzy cognitive controllers. The results show that the designed fuzzy cognitive controllers may coordinate the behaviors of the mission scenario automatically and release the ground operator from complicated workload.

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