“…The objective of tracking is to design distributed control laws to drive the group of agents to reach the desired trajectory of a target agent. So far, most existing studies on the tracking problem focus on the case where agents asymptotically achieve agreement (Chen & Li, 2014;Dong, Chai, & Zhang, 2014;Dong, Chai, Zhang, & Nguang, 2014a, 2014bDong, Chai, Zhang, Nguang, & Wen, 2015;Hong et al, 2006;Wen, Duan, Chen, & Yu, 2014;Yan et al, 2010).…”