“…To date, many research topics about multi-agent systems have arisen, to name but a few, consensus problem (Guan, Ji, Zhang, & Wang, 2013Olfati-Saber & Murray, 2004;Ren & Beard, 2005;Xiao & Wang, 2008;Zheng, Zhu, & Wang, 2011), controllability analysis (Ji, Lin, & Yu, 2012;Liu, Xie, et al, 2012, optimal control (Hengster-Movric & Lewis, 2014; Ma, Zheng, Wu, & Wang, 2014), rendezvous control (Xiao, Wang, & Chen, 2012).…”