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作者：Sforni, Lorenzo; Carnevale, Guido; Notarstefano, Giuseppe
作者单位：University of Bologna
摘要：In this article, we propose a distributed, first-order, feedback-based approach to solve nonlinear optimal control problems with aggregative cost functions over networks of cooperative multiagent systems. Taking inspiration from a centralized, first-order optimal control framework, named GoPRONTO, we propose a distributed method exploiting a feedback scheme iteratively updated according to a distributed tracking mechanism. Due to the aggregative structure of the problem and the desired distrib...
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作者：Moreschini, Alessio; Astolfi, Alessandro
作者单位：Imperial College London; University of Rome Tor Vergata
摘要：The relaxation of strong stability conditions on the system to be interpolated is one of the open problems in interconnection-based interpolation by moment matching. To address this issue, we revisit the interconnection-based notion of moment by introducing an output-based signal generator, called generalized signal generator. This generator, which models the desired interpolation points, is designed to drive the state of the system to the invariant manifold defining the moments. This characte...
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作者：Granzotto, Mathieu; Postoyan, Romain; Nesic, Dragan; Teel, Andrew R.
作者单位：University of Melbourne; Centre National de la Recherche Scientifique (CNRS); Universite de Lorraine; University of California System; University of California Santa Barbara
摘要：In this article, we analyze the stability properties of stochastic linear systems in closed loop with an optimal policy that minimizes a discounted quadratic cost in expectation. In particular, the linear system is perturbed by both additive and multiplicative stochastic disturbances. We provide conditions under which mean-square boundedness, mean-square stability, and recurrence properties hold for the closed-loop system. We distinguish two cases, when these properties are verified for any va...
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作者：Huang, Yuanhanqing; Hu, Jianghai
作者单位：Purdue University System; Purdue University
摘要：A variety of practical problems can be modeled by the decision-making process in multiplayer games where a group of self-interested players aim at optimizing their own local objectives, while the objectives depend on the actions taken by others. The local gradient information of each player, essential in implementing algorithms for finding game solutions, is all too often unavailable. In this article, we focus on designing solution algorithms for multiplayer games using bandit feedback, i.e., ...
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作者：Karafyllis, Iasson; Theodosis, Dionysios; Papageorgiou, Markos
作者单位：National Technical University of Athens; Technical University of Crete; Ningbo University
摘要：Forward complete systems are guaranteed to have solutions that exist globally for all positive time. In this article, a relaxed Lyapunov-like condition for forward completeness is presented for finite-dimensional systems defined on open sets that does not require boundedness of the Lyapunov-like function along the solutions of the system but an exponential growth condition. The corresponding condition is then exploited for the design of autonomous 2-D movement, with focus on lane-free cruise c...
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作者：Ma, Ziyue; Cai, Kai
作者单位：Xidian University; Zhejiang University; Osaka Metropolitan University
摘要：In this article, we propose a general framework to design optimal secret protection policies in discrete-event systems. The system is modeled by an automaton in which several states are secret and assigned with different confidentiality requirement. Events in the system can be protected to verify the identity of the user, and a user who successfully executes/passes a protected event gains some authorization. Our purpose is to design an event-protecting policy such that any user, either legal o...
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作者：Vernerey, Flora; Riedinger, Pierre; Daafouz, Jamal
作者单位：Universite de Lorraine; Centre National de la Recherche Scientifique (CNRS); Universite de Lorraine; Institut Universitaire de France
摘要：The primary objective of this article is to demonstrate that problems related to stability and robust control in the harmonic context can be effectively addressed by formulating them as semidefinite optimization problems, invoking the concept of infinite-dimensional Toeplitz block linear matrix inequalities (TBLMIs). One of the central challenges tackled in this study pertains to the efficient resolution of these infinite-dimensional TBLMIs. Exploiting the structured nature of such problems, w...
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作者：Wang, Xinming; Yang, Jun; Liu, Cunjia; Yan, Yunda; Li, Shihua
作者单位：Southeast University - China; Loughborough University; University of London; University College London
摘要：Safety-critical control is significant for autonomous system applications where safety is an utmost concern. Control-barrier-function (CBF)-based control has shown its promising potential and power in delivering formal safe property of dynamic nonlinear systems. The presence of disturbances, whether from matched or unmatched channels, negatively impacts CBF-based control, leading to violations of formal safety guarantees and degraded control performance. In this article, a new safety-critical ...
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作者：Silva, Guilherme Froes; Donaire, Alejandro; Middleton, Richard; Mcfadyen, Aaron; Ford, Jason
作者单位：Queensland University of Technology (QUT); University of Newcastle
摘要：This article investigates the scalable input-to-state stability (sISS) property of networks of interconnected systems using the local Lyapunov functions of the individual systems or agents that compose the network. Ensuring sISS of the network prevents the amplification of disturbances through the network, provides uniform transient performance with respect to the number of interconnected systems, and enables network scalability. Our first contribution is to provide sufficient conditions for s...
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作者：Uzeda, Erick Mejia; Broucke, Mireille E.
作者单位：University of Toronto
摘要：Recently we proposed the $\mu$-modification for robust parameter adaptation, premised on the observation that only the parameter dynamics along the subspace with no persistent excitation must be rendered robust. Robustness thereby reduces to a problem of subspace estimation. This article proposes a new subspace estimator that recovers the non-persistently exciting (non-PE) subspace for a large class of regressors. This is achieved through a characterization of PE subspaces and the use of princ...
