Map building by multi-robot is very important to accomplish autonomous navigation,and one of the basic problems and research hotspots is how to merge the maps into a single one in the field of multi-robot map building...Map building by multi-robot is very important to accomplish autonomous navigation,and one of the basic problems and research hotspots is how to merge the maps into a single one in the field of multi-robot map building.A novel approach is put forward based on adaptive differential evolution to map building for the multi-robot system.The multi-robot mapping-building system adopts the methods of decentralized exploration and concentrated mapping.The adaptive differential evolution algorithm is used to search in the space of possible transformation,and the iterative search is performed with the goal of maximizing overlapping regions.The map is translated and rotated so that the two maps can be overlapped and merged into a single global one successfully.This approach for map building can be realized without any knowledge of their relative positions.Experimental results show that the approach is effective and feasibile.展开更多
联合相容分支定界算法(JCBB)存在"计算复杂度高"等缺点.为了优化JCBB算法在准确度和计算复杂度方面的性能,对它进行了三处改进:一是采用互斥准则和最优准则来提高关联的准确度;二是根据机器人的位姿和传感器的测量范围将数据...联合相容分支定界算法(JCBB)存在"计算复杂度高"等缺点.为了优化JCBB算法在准确度和计算复杂度方面的性能,对它进行了三处改进:一是采用互斥准则和最优准则来提高关联的准确度;二是根据机器人的位姿和传感器的测量范围将数据关联限定在局部可能区域中;三是自适应地进行分批数据关联.仿真实验结果表明,优化JCBB算法(OJCBB)在保证准确度的同时大大降低了计算复杂度.Victoria Park Dataset实验表明,OJCBB算法的数据关联结果是可信的,而且OJCBB算法的计算效率远远高于JCBB算法.展开更多
基金Supported by the National Natural Science Foundation of China(No.90820302,60805027)the Provincial Natural Science Foundation of Hunan(No.12JJ3064)+1 种基金the Construct Program of the Key Discipline in Hunan Province(No.201176)the Planned Science and Technology Project of Hunan Province(No.2011SK3135,2012FJ3059)
文摘Map building by multi-robot is very important to accomplish autonomous navigation,and one of the basic problems and research hotspots is how to merge the maps into a single one in the field of multi-robot map building.A novel approach is put forward based on adaptive differential evolution to map building for the multi-robot system.The multi-robot mapping-building system adopts the methods of decentralized exploration and concentrated mapping.The adaptive differential evolution algorithm is used to search in the space of possible transformation,and the iterative search is performed with the goal of maximizing overlapping regions.The map is translated and rotated so that the two maps can be overlapped and merged into a single global one successfully.This approach for map building can be realized without any knowledge of their relative positions.Experimental results show that the approach is effective and feasibile.
文摘联合相容分支定界算法(JCBB)存在"计算复杂度高"等缺点.为了优化JCBB算法在准确度和计算复杂度方面的性能,对它进行了三处改进:一是采用互斥准则和最优准则来提高关联的准确度;二是根据机器人的位姿和传感器的测量范围将数据关联限定在局部可能区域中;三是自适应地进行分批数据关联.仿真实验结果表明,优化JCBB算法(OJCBB)在保证准确度的同时大大降低了计算复杂度.Victoria Park Dataset实验表明,OJCBB算法的数据关联结果是可信的,而且OJCBB算法的计算效率远远高于JCBB算法.
