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作者：Khajenejad, Mohammad; Yong, Sze Zheng
作者单位：University of California System; University of California San Diego; Northeastern University
摘要：In this article, we propose a tractable family of remainder-form mixed-monotone decomposition functions that are useful for overapproximating the image set of nonlinear mappings in reachability and estimation problems. Our approach applies to a new class of nonsmooth, discontinuous nonlinear systems that we call either-sided locally Lipschitz semicontinuous systems, which we show to be a strict superset of locally Lipschitz continuous systems, thus expanding the set of systems that are formall...
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作者：Sperila, Andrei; Oara, Cristian; Ciubotaru, Bogdan D.; Sabau, Serban
作者单位：National University of Science & Technology POLITEHNICA Bucharest; Stevens Institute of Technology
摘要：For networks of systems, with possibly improper transfer function matrices, we present a design framework that enables H-infinity control, while imposing sparsity constraints on the coprime factors of the controller. We propose a convex and iterative optimization procedure with guaranteed convergence to obtain distributed controllers. By exploiting the robustness-oriented nature of our proposed approach, we provide the means to obtain sparse representations of our control laws that may not be ...
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作者：Zafzouf, Ghassen; Nair, Girish N.; Farokhi, Farhad
作者单位：University of Melbourne
摘要：This article addresses the problem of distributed state estimation via multiple access channels (MACs). We consider a scenario where two encoders are simultaneously communicating their measurements through a noisy channel. First, the zero-error capacity region of the general M-input, single-output MAC is characterized using tools from nonstochastic information theory. Next, we show that a tight condition to be able to achieve uniformly bounded state estimation errors can be given in terms of t...
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作者：De, Souradip; Sahoo, Soumya Ranjan; Wahi, Pankaj
作者单位：Indian Institute of Technology System (IIT System); Indian Institute of Technology (IIT) - Kanpur; Indian Institute of Technology System (IIT System); Indian Institute of Technology (IIT) - Kanpur
摘要：The multiagent rendezvous problem for single- and double-integrator agents in the presence of unknown constant input and communication delays is investigated in this article. Existing works address the rendezvous problem by incorporating negative gain(s) into the distributed consensus protocol and showing that negative gain(s) expands the reachable set beyond the initial configuration of the agents' convex hull. On the contrary, the present control protocol ensures global reachability of a net...
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作者：Guaracy, Fernando H. D.; Ferreira, Luis H. C.
作者单位：Universidade Federal de Itajuba
摘要：In this article, the problem of synchronization of homogeneous linear multiagent systems considering a robust control and small gain theorem perspective is presented. The analyses are performed based on an auxiliary state feedback problem in which only the dynamics of a single agent is considered. This point of view allows an unified approach to continuous- and discrete-time cases and provides insights that, in addition to enabling the analysis of feasibility of the synchronization problem in ...
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作者：Polyakov, Andrey; Efimov, Denis; Ping, Xubin
作者单位：Xidian University; Centre National de la Recherche Scientifique (CNRS); CNRS - Institute for Information Sciences & Technologies (INS2I); Universite de Lille; Centrale Lille; Inria
摘要：The problem of finite-time stabilization of a linear plant with an optimization of both a settling time and an averaged/weighted control energy is studied using the concept of generalized homogeneity. It is shown that the optimal finite-time stabilizing control in this case can be designed by means of solving a simple linear algebraic equation. Robustness of the obtained control law is studied.
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作者：Somarakis, Christoforos; Liu, Guangyi; Motee, Nader
作者单位：Merck & Company; Lehigh University
摘要：We develop a framework to quantify systemic risk measures in a class of wide-area-control (WAC) laws in power networks in the presence of noisy and time-delayed sensory data. A closed-form calculation of the risk of phase incoherence in interconnected power networks is presented, and the effect of network parameters, information flow in WAC architecture, statistics of noise, and time delays are characterized. We show that in the presence of time-delay and noise, a fundamental tradeoff between ...
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作者：Arcari, Elena; Iannelli, Andrea; Carron, Andrea; Zeilinger, Melanie N.
作者单位：Swiss Federal Institutes of Technology Domain; ETH Zurich; University of Stuttgart
摘要：In this article, we present a stochastic model predictive control approach for discrete-time LTI systems subject to bounded parameteric uncertainty and potentially unbounded stochastic additive noise. The proposed scheme makes use of homothetic tubes along the prediction horizon for a robust treatment of parameteric uncertainty. Stochastic noise is handled by tightening constraints using the concept of probabilistic reachable sets (PRS), which are typically constructed offline by exploiting no...
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作者：Miller, Jared; Sznaier, Mario
作者单位：Northeastern University
摘要：This work proposes an algorithm to bind the minimum distance between points on trajectories of a dynamical system and points on an unsafe set. Prior work on certifying safety of trajectories includes barrier and density methods, which do not provide a margin of proximity to the unsafe set in terms of distance. The distance estimation problem is relaxed to a Monge-Kantorovich-type optimal transport problem based on existing occupation-measure methods of peak estimation. Specialized programs may...
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作者：Yi, Jing-Wen; Chai, Li; Zhang, Jingxin
作者单位：Wuhan University of Science & Technology; Zhejiang University; Swinburne University of Technology
摘要：Previous research works have shown that adding local memory can accelerate the consensus. It is natural to question what is the fastest rate achievable by the M-tap memory acceleration, and what are the corresponding control parameters. This article introduces a set of effective and previously unused techniques to analyze the convergence rate of accelerated consensus with M-tap memory of local nodes and to design the control protocols. These effective techniques, including the Kharitonov stabi...
