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作者：Monaco, Salvatore; Normand-Cyrot, Dorothee; Mattioni, Mattia; Moreschini, Alessio
作者单位：Sapienza University Rome; Centre National de la Recherche Scientifique (CNRS); Universite Paris Saclay
摘要：This article investigates the transformation of Hamiltonian structures under sampling. It is shown that the exact sampled equivalent model associated to a given port-Hamiltonian continuous-time dynamics exhibits a discrete-time representation in terms of the discrete gradient, with the same energy function but modified damping and interconnection matrices. By construction, the proposed sampled-data dynamics guarantees exact matching of both the state evolutions and the energy-balance at all sa...
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作者：Pawlak, Miroslaw; Lv, Jiaqing
作者单位：University of Manitoba; AGH University of Krakow
摘要：We examine the problem of testing a parametric form of the nonlinearity of Hammerstein systems against a nonparametric alternative. This article proposes test statistics relying on nonparametric orthogonal series regression function estimates. An asymptotic theory of the proposed tests is established including the asymptotic normality under the null hypothesis that the parametric form of the system nonlinearity is correct. Moreover, it is shown that under nonparametric alternatives, the probab...
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作者：Cheng, Jun; Xie, Lifei; Park, Ju H.; Yan, Huaicheng
作者单位：Guangxi Normal University; Yeungnam University; East China University of Science & Technology; Chengdu University
摘要：This study addresses the output-feedback control problem for general semi-Markov jump systems with a memory-dynamic event-triggered protocol. Based on the average dwell-time strategy, a novel framework of semi-Markov process subject to a higher level deterministic switching signal is constructed, where the Markov renewal process is nonhomogeneous. Aiming at improving communication efficiency and control performance, a novel dynamic-memory event-triggered protocol is proposed, and the resulting...
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作者：Stavrou, Photios A.; Skoglund, Mikael; Tanaka, Takashi
作者单位：Royal Institute of Technology
摘要：In this article, we revisit the sequential source-coding framework to analyze fundamental performance limitations of discrete-time stochastic control systems subject to feedback data-rate constraints in finite-time horizon. The basis of our results is a new characterization of the lower bound on the minimum total-rate achieved by sequential codes subject to a total (across time) distortion constraint and a computational algorithm that allocates optimally the rate-distortion, for a given distor...
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作者：Queinnec, Isabelle; Tarbouriech, Sophie; Valmorbida, Giorgio; Zaccarian, Luca
作者单位：Universite de Toulouse; Centre National de la Recherche Scientifique (CNRS); Universite Paris Saclay; Centre National de la Recherche Scientifique (CNRS); University of Trento
摘要：In this article, we propose a novel class of piecewise smooth Lyapunov functions leading to linear-matrix-inequality-based stability/performance analysis and control design for linear systems with saturating inputs. We provide conditions for global properties, and also conditions for local properties and guaranteed estimates of the basin of attraction. The backbone of our result consists in using quadratic forms with constant matrices that are not necessarily sign definite, thereby providing a...
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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：Ma, Shan; Woolley, Matthew James; Petersen, Ian R.
作者单位：Central South University; Peng Cheng Laboratory; University of New South Wales Sydney; Australian Defense Force Academy; Australian National University
摘要：The purpose of this article is to synthesize a linear quantum system, which is strictly stable and has a steady thermal state. Specifically, we give a parameterization of a class of sta- ble linear quantum systems that have V = tau I/2, tau > 1, as their steady covariance matrsices. This is physically important since the covariance matrix tau I/2, tau > 1, corresponds to a quantum thermal state. Hence, we can say that these systems will asymptotically evolve into a quantum thermal state. An ex...
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作者：Ghodrat, Mohsen; Marquez, Horacio J.
作者单位：University of Alberta
摘要：The purpose of this article is to revisit the well-known separation principle of classical control for systems implemented in an event-triggered fashion. We consider a scenario consistent of two independent digital channels for communications between a sensor and a controller, and a controller and an actuator, and propose a methodology to separately design controller and observer gains as well as the event conditions. Under the proposed design, we address the problem of restoring the classical...
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作者：Li, Wuquan; Krstic, Miroslav
作者单位：Ludong University; University of California System; University of California San Diego
摘要：We solve the prescribed-time mean-square stabilization and inverse optimality control problems for stochastic strict-feedback nonlinear systems by developing a new nonscaling backstepping design scheme. A key novel design ingredient is that the time-varying function is not used to scale the coordinate transformations and is only suitably introduced into the virtual controllers. The advantage of this approach is that a simpler controller results and the control effort is reduced. By using this ...
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作者：Moreno, Jaime A.
作者单位：Universidad Nacional Autonoma de Mexico
摘要：Differentiation is an important task in control, observation, and fault detection. Levant's differentiator is unique, since it is able to estimate exactly and robustly the derivatives of a signal with a bounded high-order derivative. However, the convergence time, although finite, grows unboundedly with the norm of the initial differentiation error, making it uncertain when the estimated derivative is exact. In this article, we propose an extension of Levant's differentiator so that the worst-...
