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With the purpose of improving the problems in the existing research methods like high cost, poor diversity, low realistic level, insufficient emerging characteristics, a method for path-planning of Herding based on firefly algorithms is proposed in this paper according to the features of automatic aggregation scene in Group Animation. In the process of automatic aggregation of crowd, this method can...
This paper introduces a method based on trajectory analysis and waiting strategy for robot manipulators in changing environments. In order to avoid collision with moving obstacles, devious trajectories appear in most path planning problems in changing environments. For complicated environments some methods even don not work. In this paper, on the premise that whether an obstacle has automatic avoidance...
This paper presents an efficient path planner to identify difficult regions for path planning in changing environments, in which obstacles can move randomly. The difficult regions consist of narrow passages and the boundaries of obstacles in robot Configuration Space (C-space). These regions exert significantly negative influence on finding a valid path in static environments. The problem becomes...
This paper presents a path planner based on PRM framework for robots operating in changing environments, in which obstacles can move randomly and robots may change their original shapes, e.g. a robot manipulator grasps an object. W-C nodes mapping coupled with lazy edges evaluation is used to ensure a generated path containing only valid nodes and edges when constructed probabilistic roadmap becomes...
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