Chin. Phys. B ›› 2012, Vol. 21 ›› Issue (12): 128902-128902.doi: 10.1088/1674-1056/21/12/128902
• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇 下一篇
吴治海a, 彭力a b, 谢林柏a, 闻继伟a
Wu Zhi-Hai (吴治海)a, Peng Li (彭力)a b, Xie Lin-Bo (谢林柏)a, Wen Ji-Wei (闻继伟)a
摘要: This paper is concerned with the stochastic bounded consensus tracking problems of leader-follower multi-agent systems, where the control input of an agent can only use the information measured at the sampling instants from its neighbours or the virtual leader with a time-varying reference state, and the measurements are corrupted by random noises. The probability limit theory and the algebra graph theory are employed to derive the necessary and sufficient condition guaranteeing the mean square bounded consensus tracking. It is shown that the maximum allowable upper bound of the sampling period simultaneously depends on the constant feedback gains and the network topology. Furthermore, the effects of the sampling period on the tracking performance are analysed. It turns out that from the view point of the sampling period, there is a trade-off between the tracking speed and the static tracking error. Simulations are provided to demonstrate the effectiveness of the theoretical results.
中图分类号: (Complex systems)