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作者：Liang, Weichao; Amini, Nina H.; Mason, Paolo
作者单位：CY Cergy Paris Universite; Universite Paris Saclay; Centre National de la Recherche Scientifique (CNRS)
摘要：In this article, we consider stochastic master equations describing the evolution of a multiqubit system interacting with electromagnetic fields undergoing continuous-time measurements. By considering multiple z-type (Pauli z matrix on different qubits) and x-type (Pauli x matrix on all qubits) measurements and one control Hamiltonian, we provide general conditions on the feedback controller and the control Hamiltonian ensuring almost sure exponential convergence to a predetermined Greenberger...
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作者：Ma, Dan
作者单位：Northeastern University - China
摘要：This article examines the delay range for robust consensus of unstable first-order agents by using proportional (P) and proportional-derivative (PD) control protocols subject to time-varying delays. The maximal delay range is defined by the delay consensus margin (DCM), which is a robustness measure within which consensus can be achieved robustly despite the presence of uncertain and time-varying delays. We apply an H-infinity-type small-gain analysis to multiagent systems, which results in ex...
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作者：Sharf, Miel; Zelazo, Daniel
作者单位：Technion Israel Institute of Technology
摘要：Fault detection and isolation is an area of engineering dealing with designing online protocols for systems that allow one to identify the existence of faults, pinpoint their exact location, and overcome them. We consider multi-agent systems, where faults correspond to the disappearance of links in the underlying graph, simulating communication failures between agents. We study the case in which the agents and controllers are maximal equilibrium-independent passive, and use the known connectio...
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作者：Rathnayake, Bhathiya; Diagne, Mamadou; Espitia, Nicolas; Karafyllis, Iasson
作者单位：Rensselaer Polytechnic Institute; Rensselaer Polytechnic Institute; Centre National de la Recherche Scientifique (CNRS); Universite de Lille; Centrale Lille; National Technical University of Athens
摘要：This article presents an observer-based event-triggered boundary control strategy for a class of reaction-diffusion partial differential equations with Robin actuation. The observer only requires boundary measurements. The control approach consists of a backstepping output feedback boundary controller, derived using estimated states, and a dynamic triggering condition, which determines the time instants at which the control input needs to be updated. It is shown that under the proposed observe...
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作者：Meira-Goes, Romulo; Kwong, Raymond H.; Lafortune, Stephane
作者单位：University of Michigan System; University of Michigan; University of Toronto
摘要：In this article, we study the security of control systems in the context of the supervisory control layer of stochastic discrete-event systems. Control systems heavily rely on correct communication between the plant and the controller. In this article, we consider that such communication is partially compromised by a malicious attacker. The attacker has the ability to modify a subset of the sensor readings and mislead the supervisor, with the goal of inducing the system into an unsafe state. W...
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作者：Wang, Miaomiao; Tayebi, Abdelhamid
作者单位：Western University (University of Western Ontario); Lakehead University
摘要：We introduce a new hybrid control strategy, which is conceptually different from the commonly used synergistic hybrid approaches, to efficiently deal with the problem of the undesired equilibria that precludes smooth vectors fields on SO(3) from achieving global stability. The key idea consists in constructing a suitable potential function on SO(3) x R involving an auxiliary scalar variable, with flow and jump dynamics, which keeps the state away from the undesired critical points while, at th...
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作者：Basile, Francesco; Cordone, Roberto; Piroddi, Luigi
作者单位：University of Salerno; University of Milan; Polytechnic University of Milan
摘要：A novel framework is introduced for the supervisory control (SC) of timed discrete event systems based on Time Petri nets. The method encompasses both logical (markings to reach or avoid) and temporal specifications (arrival and departure times in specific markings). It relies on the construction of a partial forward reachability graph of the modified state class graph type and the formulation of integer linear programming problems to establish suitable firing time intervals (FTIs) for the con...
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作者：Chen, Guoyuan; Zhu, Gaosheng
作者单位：Zhejiang University of Finance & Economics; Harbin Institute of Technology
摘要：In this article, we propose a symplectic algorithm for the stable manifolds of the Hamilton-Jacobi equations combined with an iterative procedure in [N. Sakamoto and A. J. van der Schaft, Analytical approximation methods for the stabilizing solution of the Hamilton-Jacobi equation, IEEE Trans. Autom. Control, 2008]. Our algorithm includes two key aspects. The first one is to prove a precise estimate for radius of convergence and the errors of local approximate stable manifolds. The second one ...
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作者：Hua, Changsheng; Li, Linlin; Ding, Steven X.
作者单位：University of Duisburg Essen; University of Science & Technology Beijing
摘要：This article is concerned with a fault-tolerant control (FTC) scheme for feedback control systems with multiplicative faults by optimizing system performance with the aid of a reinforcement learning (RL) approach. To be specific, initially, based on the Youla-Kucera (YK) and dual YK parameterizations, a new performance-driven FTC method is proposed and its capability in dealing with multiplicative faults is proven. Then, data-driven implementation of this method using RL is elaborated. This im...
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作者：Li, Yuan-Xin
作者单位：Liaoning University of Technology
摘要：This article is devoted to the adaptive asymptotic tracking for a class of uncertain nonlinear systems. The presence of unknown time-varying parameters and uncertain disturbances makes the systems in question essentially different from those in the related works. By skillfully combining adaptive technique and command filter-based backstepping, a novel command filter adaptive tracking controller is successfully designed to achieve asymptotic tracking. The typical feature of the proposed control...
