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| 1 | Consensus problem of second-order multi-agent systems with time-varying communication delay and switching topology显示文摘Leader-following stationary consensus problem is investigated for the second-order multi-agent systems with timevarying communication delay and switching topology.Based on Lyapunov-Krasovskii functional and Lyapunov-Razumikhin functions respectively,consensus criterions in the form of linear matrix inequality (LMI) are obtained for the system with time-varying communication delays under static interconnection topology converging to the leader's states.Moreover,the delay-dependent consensus criterion in the form of LMI is also obtained for the system with time-invariant communication delay and switching topologies by constructing Lyapunov-Krasovskii functional.Numerical simulations present the correctness of the results. | Chenglin Liu Fei Liu | 2011 | Journal of Systems Engineering and Electronics2011，22，4： | 7 |
| 2 | Multi-agent consensus with time-varying delays and switching topologies显示文摘The consensus problems of multi-agents with timevarying delays and switching topologies are studied. First, assume that an agent receives state information from its neighbors with fixed communication delays and processes its own state information with time-varying self-delay respectively. The state time-delay feedback is introduced into the existing consensus protocol to begenerate an improved protocol. Then a sufficient condition is derived which can make the system with time-varying self-delays achieve the consensus. On this basis, a specific form of consensus equilibrium influenced by the initial states of agents, timedelays and state feedback intensity is figured out. In addition, the multi-agent consensus is considered with time-varying topologies.Finally, simulations are presented to illustrate the validity of theoretical results. | Jia Wei Huajing Fang | 2014 | Journal of Systems Engineering and Electronics2014，25，3： | 3 |
| 3 | Consensus algorithm for multiple quadrotor systems under fixed and switching topologies显示文摘The distributed leadless consensus problem for multiple quadrotor systems under fixed and switching topologies is investigated. The objective is to design protocols achieving consensus for networked quadrotors' positions and attitudes. Because the model of a quadrotor is a strong high-order nonlinear coupling system,the approach of feedback linearization is employed to transform the model into a group of four linear subsystems among which there is no coupling. Then, a consensus algorithm is proposed which consists of a local feedback controller and interactions from the finite neighbors under fixed undirected topologies. Especially,the problem of choosing the parameters in the consensus algorithm is also addressed, enlightened by the results of the robust control theory. Furthermore, it is proved that the proposed algorithm also guarantees the consensus under undirected switching topologies. Simulation results show the effectiveness of the proposed algorithm. | Yinqiu Wang Qinghe Wu Yao Wang Di Yu | 2013 | Journal of Systems Engineering and Electronics2013，24，5： | 2 |
| 4 | Fixed-Time Cluster Consensus for Multi-Agent Systems with Objective Optimization on Directed Networks显示文摘This paper studies the cluster consensus of multi-agent systems(MASs)with objective optimization on directed and detail balanced networks,in which the global optimization objective function is a linear combination of local objective functions of all agents.Firstly,a directed and detail balanced network is constructed that depends on the weights of the global objective function,and two kinds of novel continuous-time optimization algorithms are proposed based on time-invariant and timevarying objective functions.Secondly,by using fixed-time stability theory and convex optimization theory,some sufficient conditions are obtained to ensure that all agents'states reach cluster consensus within a fixed-time,and asymptotically converge to the optimal solution of the global objective function.Finally,two examples are presented to show the efficacy of the theoretical results. | DUAN Suna YU Zhiyong JIANG Haijun OUYANG Deqiang | 2023 | Journal of Systems Science & Complexity2023，36，6： | 0 |
| 5 | Distributed stereoscopic rotating formation control of networks of second-order agents显示文摘Distributed stereoscopic rotating formation control o networks of second-order agents is investigated.A distributed control protocol is proposed to enable all agents to form a stereoscopic formation and surround a common axis.Due to the existence of the rotating mode,the desired relative position between every two agents is time-varying,and a Lyapunov-based approach is employed to solve the rotating formation control problem.Finally,simulation results are provided to illustrate the effectiveness of the theoretical results. | Li Song Qinghe Wu Di Yu Yinqiu Wang | 2013 | Journal of Systems Engineering and Electronics2013，24，3： | 0 |
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