[1] Bresch-Pietri, D., Krstic, M.: 
Delay-adaptive predictor feedback for systems with unknown long actuator delay. IEEE Trans. Autom. Control 55 (2010), 2106-2112. 
DOI 10.1109/tac.2010.2050352 | 
MR 2722480[3] Chamseddine, A., Zhang, Y., Rabbath, C. A.: Trajectory planning and re-planning for fault tolerant formation flight control of quadrotor unmanned aerial vehicles. 
[6] Hu, J., Hong, Y.: 
Leader-following coordination of multi-agent systems with coupling time delays. Physica A 374 (2007), 853-863. 
DOI 10.1016/j.physa.2006.08.015[8] Lin, Z., Francis, B., Maggiore, M.: 
Necessary and sufficient graphical conditions for formation control of unicycles. IEEE Trans. Autom. Control 50 (2005), 121-127. 
DOI 10.1109/tac.2004.841121 | 
MR 2110819[10] Lin, P., Jia, Y.: 
Consensus of second-order discrete-time multi-agent systems with nonuniform time-delays and dynamically changing topologies. Automatica 45 (2009), 2154-2158. 
DOI 10.1016/j.automatica.2009.05.002 | 
MR 2889282[11] Lin, P., Li, Z., Jia, Y., Sun, M.: 
High-order multi-agent consensus with dynamically changing topologies and time-delays. IET Control Theory Appl. 5 (2011), 976-981. 
DOI 10.1049/iet-cta.2009.0649 | 
MR 2850145[14] Liu, C.-L., Liu, F.: 
Consensus analysis for multiple autonomous agents with input delay and communication delay. Int. J. Control Automat. Syst. 10 (2012), 1005-1012. 
DOI 10.1007/s12555-012-0518-y[15] Liu, Y., Jia, Y.: 
Consensus problem of high-order multi-agent systems with external disturbances: an $H_{\infty}$ analysis approach. Int. J. Robust Nonlin. Control 20 (2010), 1579-1593. 
DOI 10.1002/rnc.1531 | 
MR 2724254[19] Olfati-Saber, R., Murray, R.: 
Consensus problems in networks of agents with switching topology and time-delays. IEEE Trans. Autom. Control 49 (2004), 1520-1533. 
DOI 10.1109/tac.2004.834113 | 
MR 2086916[20] Peng, J. M., Wang, J. N., Shan, J. Y.: 
Robust cooperative output tracking of networked high-order power integrators systems. Int. J. Control, published online. 
MR 3435198[21] Qin, J., Yu, C., Hirche, S.: 
Stationary consensus of asynchronous discrete-Time second-order multi-agent systems under switching topology. IEEE Trans. Ind. Inf. 8(2012), 986-994. 
DOI 10.1109/tii.2012.2210430 | 
MR 3306909[22] Ren, W., Moore, K., Chen, Y.: 
High-order consensus algorithms in cooperative vehicle systems. In: Proc. IEEE International Conference on Networking Sensing and Control, Ft Lauderdale 2006, pp. 457-462. 
DOI 10.1109/icnsc.2006.1673189[23] Su, H., Chen, M. Z. Q., Wang, X., Lam, J.: 
Semiglobal observer-based leader-following consensus with input saturation. IEEE Trans. Ind. Electron. 61 (2014), 2842-2850. 
DOI 10.1109/tie.2013.2275976[24] Sun, Y., Wang, L., G, G. Xie: 
Average consensus in networks of dynamic agents with switching topologies and multiple time-varying delays. Syst. Control Lett. 57 (2008), 175-183. 
DOI 10.1016/j.sysconle.2007.08.009 | 
MR 2378763[28] Wang, Y., Wu, Q., Wang, Y.: 
Distributed consensus protocols for coordinated control of multiple quadrotors under a directed topology. IET Control Theory Appl. 7 (2013), 1780-1792. 
DOI 10.1049/iet-cta.2013.0027 | 
MR 3136623[29] Xi, J., Xu, Z., Liu, G., Zhong, Y.: 
Stable-protocol output consensus for high-order linear swarm systems with time-varying delays. IET Control Theory Appl. 7 (2013), 975-984. 
DOI 10.1049/iet-cta.2012.0824 | 
MR 3100353[30] Yang, B.: 
Stability switches of arbitrary high-order consensus in multiagent networks with time delays. Sci. World J. (2013), 514823. 
DOI 10.1155/2013/514823[31] Yang, W., Bertozzi, A. L., Wang, X. F.: 
Stability of a second order consensus algorithm with time delay. In: Proc. 47th IEEE Conference on Decision and Control, Cancun 2008, pp. 2926-2931. 
DOI 10.1109/cdc.2008.4738951[32] Yang, T., Jin, Y. H., Wang, W., Shi, Y. J.: 
Consensus of high-order continuous-time multi-agent systems with time-delays and switching topologies. Chin. Phys. B 20 (2011), 020511. 
DOI 10.1088/1674-1056/20/2/020511[34] Yu, W., Chen, G., Ren, W., Kurths, J., Zheng, W.: 
Distributed higher order consensus protocols in multiagent dynamical systems. IEEE Trans. Circuits Syst. I Regul. Pap. 58 (2011), 1924-1932. 
DOI 10.1109/tcsi.2011.2106032 | 
MR 2857624[35] Yu, Z., Jiang, H., Hu, C., Yu, J.: 
Leader-following consensus of fractional-order multi-agent systems via adaptive pinning control. Int. J. Control 88 (2015), 1746-1756. 
DOI 10.1080/00207179.2015.1015807 | 
MR 3371084[36] Yu, W., Zheng, W. X., Chen, G., Ren, W., Cao, J.: 
Second-order consensus in multi-agent dynamical systems with sampled position data. Automatica 47 (2011), 1496-1503. 
DOI 10.1016/j.automatica.2011.02.027 | 
MR 2889249[37] Yu, W., Zhou, L., Yu, X., Lv, J., Lu, R.: 
Consensus in multi-agent systems with second-order dynamics and sampled data. IEEE Trans. Ind. Inf. 9 (2013), 2137-2146. 
DOI 10.1109/tii.2012.2235074[38] Zhang, Q., Niu, Y., Wang, L., Shen, L., Zhu, H.: 
Average consensus seeking of high-order continuous-time multi-agent systems with multiple time-varying communication delays. Int. J. Control Autom. Syst. 9 (2011), 1209-1218. 
DOI 10.1007/s12555-011-0623-3