Abstract：Because there are more and more unmanned aerial vehicles (UAVs) which are flying into low-altitude area, the flight safty problem is becoming more and more serious. In this paper after the basic principle for autonomous collision avoidance control for UAV is described, four main methods of autonomous collision avoidance control technologies for UAV are analyzed. Then some low-altitude challenges to the collision avoidance control technique for UAV are discussed. Moreover, a cognitive collision avoidance control method is presented by referring to the human cognitive development principle. Finally, some new research developments on the cognitive collision avoidance control of UAV are introduced.
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2017, Vol. 35 
