9ZHANG C G, XI Y G. Robot path planning in globally unknown environment on rolling windows[J]. Science in China, 2001, 44(2): 131 - 139.
10DORIGO M, CARO G D. The Modified Swarm Optimization Metaheuristic[M] //COME D, MDORIGO, GLOVER F, Editors. New Ideas in Optimization. Mc London, UK: Graw Hill, 1999:11 - 32.