Supported by National Natural Science Foundation of China (61273137, 51209026, 61074017), the Scientific Research Fund of Liaoning Provincial Education Department (L2013202), and the Fundamental Research Funds for the Central Universities (3132013037, 3132014047, 3132014321)
Supported by the National Natural Science Foundation(NNSF) of China(51009017,61074017,51179019);Applied Basic Research Funds from Ministry of Transport of the People's Republic of China(2012-329-225-060);Fundamental Research Funds for the Central Universities of China(2009QN025,2011JC002)
supported by the National Natural Science Foundation of China (Grant Nos. 60674037,61074017 and 61074004);the Program for New Century Excellent Talents in Universities (Grant No. NCET-09-0674);the Program for Liaoning Excellent Talents in Universities (Grant No. 2009R06)
This paper is concerned with the formation control problem of multiple underactuated surface vessels moving in a leader-follower formation. The formation is achieved by the follower to track a virtual target defined r...