Compact Reachability Map For Excavator Motion Planning
2019 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS)(2019)
摘要
In this paper, we propose a novel compact reachability map representation for excavator motion planning. The constructed reachability map can concisely encode the bucket's reachable pose and the translation capability limited by excavator's kinematic structure. By explicitly exploiting the property that the basic excavation motion lies on the excavation plane determined by excavator links, we further reduce the construction of the map from 3D Euclidean space to 2D excavation plane. We show the pre-computed reachability map can be used to develop new excavator motion planning approach. By indexing on the pre-computed reachability map, we can efficiently compute the feasible full-bucket trajectory for single step excavation operation. We highlight the results of the reachability map construction and demonstrate the simulation results of motion planning using a commercial dynamic simulator.
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关键词
pre-computed reachability map,excavator motion planning approach,reachability map construction,compact reachability map representation,encoding,excavator kinematic structure,2D excavation plane,excavation motion,3D euclidean space,bucket trajectory
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