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作者：Zhang, Zhengqiang; Li, Wenjie; Ge, Shuzhi Sam
作者单位：Qufu Normal University; National University of Singapore; Qingdao University
摘要：In this article, the problem of global stabilization for a class of nonlinear strict-feedback time-delay systems is addressed by adopting the adaptive parameter estimation method and backstepping technique. The Lyapunov-Krasovskii functionals with static gain functions are designed in each step of the backstepping process. With the help of the sufficiently smooth projection operator, the relationship between the Lyapunov-Krasovskii functional and the previous virtual control laws is establishe...
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作者：Liu, Jianzhou; Tang, Fuying; Xu, Yan
作者单位：Xiangtan University; Xiangtan University
摘要：Discrete coupled Riccati matrix equations, which play an important role in the analysis and design of discrete-time Markov jump systems of control theory, have been studied extensively. In Li et al. (2022), an iterative algorithm for positive definite solutions of these matrix equations was presented. This article gives numerical examples to point out that the convergence proof of the iterative algorithm proposed in the above paper cites an incorrect conclusion, resulting in errors in the conv...
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作者：Madeira, Diego de S.; Correia, Wilkley B.
摘要：In this note, the problem of data-driven saturated state feedback design for polynomial nonlinear systems is solved by means of a sum-of-squares (SOS) approach. This new strategy combines recent results in the dissipativity theory and data-driven feedback control using noisy input-state data. SOS optimization is employed in this work for controller design and to deliver an estimate of the closed-loop domain of attraction under saturated feedback. Numerical examples allow the reader to verify t...
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作者：Pan, Weihao; Zhang, Xianfu; Fan, Debao; Feng, Gang
作者单位：Shandong University; City University of Hong Kong
摘要：This note presents a gain scaling approach to the dynamic event-triggered impulsive tracking control problem for strict-feedback nonlinear systems. The nonlinear growth rate under consideration is allowed to contain a continuous function of the system output, and the problem has not been considered under the existing impulsive control framework. By constructing a state transformation, a novel dynamic event-triggered impulsive tracking controller is designed. It is proved that the proposed impu...
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作者：Sui, Shuai; Chen, C. L. Philip; Tong, Shaocheng
作者单位：Liaoning University of Technology; South China University of Technology
摘要：In this article, we study the predefined-time adaptive control problem for a class of strict-feedback nonlinear systems with parametric uncertainties and disturbances. A new practical predefined time stable (PPTS) criterion is first presented as the theoretical basis of predefined time control design, and then a new nonlinear command filter is designed. Based on the established PPTS criterion and backstepping control design technique, a command filter-based predefined time adaptive backsteppin...
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作者：Bisiacco, Mauro; Pillonetto, Gianluigi
作者单位：University of Padua
摘要：We consider functional regression models with noisy outputs resulting from linear transformations. In the setting of regularization theory in reproducing kernel Hilbert spaces (RKHSs), much work has been devoted to build uncertainty bounds around kernel-based estimates, hence characterizing their convergence rates. Such results are typically formulated using either the average squared loss for the prediction or the RKHS norm. However, in signal processing and in emerging areas, such as learnin...
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作者：Liang, Limei; Ding, Ruiqi; Liu, Shuai; Su, Rong
作者单位：Shandong University; Shandong University; Nanyang Technological University
摘要：In this article, we propose a novel event-triggered distributed privacy-preserving consensus scheme for linear continuous-time multiagent systems, which can be divided into three phases. First, for each agent, an event-triggered mechanism is designed to determine whether the current state is transmitted to the corresponding neighbor agents. Then, to protect the privacy of initial states from disclosure, the edge-based mutually independent standard white noise is added to each communication cha...
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作者：Ludeke, Taylor; Iwasaki, Tetsuya
作者单位：University of California System; University of California Los Angeles
摘要：A general problem encompassing output regulation and pattern generation can be formulated as the design of controllers to achieve convergence to a persistent trajectory within the zero dynamics on which an output vanishes. We develop an optimal control theory for such design by adding the requirement to minimize theH2norm of a closed-loop transfer function. Within the framework of eigen structure assignment, the optimal control is proven identical to the standard H-2 control in form. However, ...
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作者：Olaru, Sorin; Soyer, Martin; Zhao, Zhixin; Dorea, Carlos E. T.; Kofman, Ernesto; Girard, Antoine
作者单位：Centre National de la Recherche Scientifique (CNRS); Universite Paris Saclay; Universidade Federal do Rio Grande do Norte; National University of Rosario
摘要：The present article proposes a general framework for the analysis of constraints satisfaction with respect to the trajectories of a dynamical system. The results are presented in a discrete-time framework and pertain to the class of set-theoretic methods. The main objective is to go beyond the state of the art by characterizing the intermittent constraint satisfaction along the evolution of the trajectories of a dynamical system. Two relaxed notions are introduced in this sense, one characteri...
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作者：Quintana, Daniel; Estrada-Manzo, Victor; Bernal, Miguel
摘要：A novel discontinuous observer design for nonlinear systems, whether stable or not, is presented in this article; it removes former limitations on matching and minimum-phase conditions, Lipschitz bounds, and linearity of outputs. Based on a pair of diffeomorphisms an observer error system can be written whose nonlinear nominal model depends entirely on the error, input, and output signals, thus allowing error-dependent domains of attraction where unstable signals are estimated. Nonlinear nomin...
