%0 Journal Article %A CHEN Jia-zhao %A ZHANG Zhong-wei %A XU Fu-hou %T Modified prosbilistic roadmap method %D 2009 %R 10.3778/j.issn.1002-8331.2009.10.016 %J Computer Engineering and Applications %P 54-55 %V 45 %N 10 %X The probabilistic roadmap approach is one of the leading motion planning techniques.This paper provides an improved PRM method,the new method using two different sampling strategies in different stage,and it can overcome the PRM’s shortcoming(low connectivity in complex environment).At last this paper tests the new method by several experiments,the result suggests that the improved method can increase the planning efficiency. %U http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.2009.10.016