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作者:Zhu, Shuaibing; Zhou, Jin; Lu, Jun-An
作者单位:Wuhan University; Wuhan University
摘要:The importance of estimating the region of attraction (ROA) on complex networks has drawn attention very recently. However, challenging problems arise when applying the existing theory to networks with delay. In this article, we estimate the ROA on controlled complex networks with time-varying delay. A delay-independent ROA estimation method is derived at first. This method can deal with general delay and is convenient to use due to its independence of the delay. Accordingly, it may cause cons...
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作者:Chen, Haiyang; Zong, Guangdeng; Gao, Fangzheng; Shi, Yang
作者单位:Tiangong University; Nanjing Institute of Technology; Nanjing Institute of Technology; University of Victoria
摘要:This technical note investigates the problem of extended dissipative finite-time control for Markov jump systems (MJSs) with cyber-attacks and actuator failures. A probabilistic event-triggered mechanism (PETM) is proposed to relieve the communication burden by exploiting both the pattern variation of triggering thresholds and the time-varying characteristic of transmission delays. To characterize the actual control inputs, a stochastic actuator failure model (SAFM) is established using a rand...
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作者:Kwak, Dohyeok; Kim, Jung Hoon; Hagiwara, Tomomichi
作者单位:Pohang University of Science & Technology (POSTECH); Yonsei University; Kyoto University
摘要:This article tackles the problem of stability analysis for uncertain sampled-data systems consisting of the feedback interconnection between a nominal linear time-invariant (LTI) sampled-data system and a structured linear time-varying (LTV) model uncertainty. When the L-infinity norm and its induced norm are taken into account to characterize such uncertain systems, it has been shown that the necessary and sufficient condition for robust stability of such uncertain sampled-data systems is des...
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作者:Ma, Qichao; Qin, Jiahu; Anderson, Brian D. O.; Wang, Long
作者单位:Chinese Academy of Sciences; University of Science & Technology of China, CAS; Australian National University; Peking University
摘要:This paper investigates the problem of securing exponentially fast consensus (exponential consensus for short) for identical agents with finite dimensional linear system dynamics over dynamic network topology. Our aim is to find the weakest possible conditions that guarantee exponential consensus using a Lyapunov function consisting of a sum of terms of the same functional form. We first investigate necessary conditions, starting by examining the system parameters. It is found that controllabi...
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作者:Su, Youfeng; Lee, Ti-Chung; Cai, He; Chen, Xiaofeng
作者单位:Fuzhou University; National Sun Yat Sen University; South China University of Technology; Fuzhou University
摘要:The solvability of certainty equivalence control problems for discrete-time multiagent systems over uniformly jointly connected switching networks relies on the stability/attractivity analysis for a class of perturbed switched systems with respect to a set of switching signals. To tackle this issue, in this article, a novel systematic and unified framework is established consisting of three key stability/attractivity results. First, the uniform global exponential stability for two dual cases o...
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作者:Xu, Linlong; Liu, Xiwei
作者单位:Tongji University
摘要:In this note, we study the prescribed-time (PT) synchronization of the multiweighted and directed complex networks (MWDCNs). Unlike finite-time and fixed-time synchronization, the time for synchronization can be prescribed as needed, which is independent of initial values and parameters, such as coupling matrix. At first, we define a class of regulatory functions whose improper integrals diverge, and it is proved to play a key role in PT stability for dynamical systems. Many special functions ...
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作者:Zhang, Yuan; Xia, Yuanqing; Liu, Kun
作者单位:Beijing Institute of Technology
摘要:This article studies the robustness of observability of a linear time-invariant system under sensor failures from a computational perspective. Our aim is to determine the minimum number of sensors that, if removed, would render the system unobservable, and to determine the minimum number of state variables that need to be shielded from direct measurement by existing sensors to destroy system observability, both in numerical and structural (or structured) system models. The first problem is clo...
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作者:Zhuang, Songlin; Gao, Huijun; Shi, Yang
作者单位:Yongjiang Laboratory; University of Victoria; Harbin Institute of Technology; Yongjiang Laboratory; University of Victoria
摘要:This article develops a model predictive control (MPC) framework to co-optimize switching sequences and control inputs for switched linear systems subject to persistent dwell-time (PDT) constraints. As a class of time constraints, PDT has been demonstrated to be more general and flexible than others like dwell-time or average dwell-time. Although time constraints are widely used in applications for safety and stability concerns, MPC of switched systems with time constraints often formulates a ...
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作者:Wang, Xue-Fang; Teel, Andrew R.; Sun, Xi-Ming; Liu, Kun-Zhi; Shao, Guangru
作者单位:Dalian University of Technology; University of California System; University of California Santa Barbara; Yantai University
摘要:Robust Nash equilibrium (NE) seeking for a constrained aggregative game is explored. Our setting has the following three features: 1) local feasibility sets are considered; 2) each player has first-order dynamics that are influenced by unknown time-varying disturbances and unmodeled terms; 3) the communication topology among players may be influenced by attacks. The existence of unknown disturbances results in the trajectories of the players going out of the feasible sets even though the initi...
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作者:Shali, Brayan M.; van der Schaft, Arjan; Besselink, Bart
作者单位:University of Groningen; University of Groningen
摘要:The growing complexity of modern engineering systems necessitates a method for design and analysis that is inherently modular. Methods based on using contracts for system design have successfully tackled this issue for a variety of system classes, but mostly in the context of discrete software systems. Motivated by this, we present assume-guarantee contracts for continuous linear dynamical systems with inputs and outputs. Such contracts serve as system specifications through two aspects. The a...