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卜新苹1; 苏虎1; 邹伟1; 王鹏1; 周海2
Source Publication自动化学报
Other AbstractIn this paper, a path planning algorithm is proposed to search feasible paths for an auxiliary robot working in complex environment. The movement of the robot could thus be guided by the planned result of the algorithm in assembly practice. In the process of environmental modeling, a quad tree method is employed to construct the non-uniform environmental model, which decreases the amount of environmental information to a minimum as needed. As a result, the searching e±ciency is improved. In the process of path searching, on the basis of the prede¯ned non-uniform environmental model, an improved ant colony algorithm is presented to search the path points for the robot, which adopts distance-based heuristic search method and fusion of two di®erent pheromone updating mechanisms. In the process of path smoothing, Bezier turn is designed based on cubic Bezier curves to connect two arbitrary con¯gurations. Bezier turns are used to ¯t a sequence of objective points o®ered by the improved ant colony algorithm, so that a smooth path satisfying the robot0s nonholonomic constraints can be obtained. Finally, the method is experimentally demonstrated in target area with large laser facility. Furthermore, the feasibility and security of the planned path is veri¯ed based on the platform of DELMIA.
Keyword平滑路径规划 蚁群算法 非均匀建模 Minkowski 和 Bezier 曲线
Document Type期刊论文
First Author AffilicationChinese Acad Sci, Inst Automat, Res Ctr Precis Sensing & Control, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
卜新苹,苏虎,邹伟,等. 基于非均匀环境建模与三阶Bezier曲线的平滑路径规划[J]. 自动化学报,2017,43(5):710-724.
APA 卜新苹,苏虎,邹伟,王鹏,&周海.(2017).基于非均匀环境建模与三阶Bezier曲线的平滑路径规划.自动化学报,43(5),710-724.
MLA 卜新苹,et al."基于非均匀环境建模与三阶Bezier曲线的平滑路径规划".自动化学报 43.5(2017):710-724.
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