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作者：Franco, Roberto; Rios, Hector; de Loza, Alejandra Ferreira; Efimov, Denis
作者单位：Consejo Nacional de Ciencia y Tecnologia (CONACyT); Universite de Lille; Centrale Lille; Inria; Centre National de la Recherche Scientifique (CNRS); CNRS - Institute for Information Sciences & Technologies (INS2I)
摘要：In this article, a robust nonlinear model reference adaptive control (MRAC) is proposed for disturbed linear systems, i.e., linear systems with parameter uncertainties, and external time-dependent perturbations or nonlinear unmodeled dynamics matched with the control input. The proposed nonlinear control law is composed of two nonlinear adaptive gains. Such adaptive gains allow the control to counteract the effects of some perturbations and nonlinear unmodeled dynamics ensuring asymptotic conv...
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作者：Berezansky, Leonid; Diblik, Josef; Svoboda, Zdenek; Smarda, Zdenek
作者单位：Ben-Gurion University of the Negev; Brno University of Technology
摘要：A linear delayed vector equation (x) over dot(t) = Sigma(m)(k=1) A(k)(t)x(h(k)(t)), t is an element of [0,infinity) is investigated, where x = (x(1), ... , x(n))T is an unknown vector function. The system is considered in the most general setting and under weak assumptions about the entries of matrices A(k) and delays h(k). The main result on uniform exponential stability is universal in the sense that it generates a set of 2(m) - 1 independent explicit statements (that can depend on all delay...
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作者：Barmish, B. Ross; Primbs, James A.; Warnick, Sean
作者单位：Boston University; University of Wisconsin System; University of Wisconsin Madison; California State University System; California State University Fullerton; Brigham Young University
摘要：In this article, we provide a new Markovian-type model for stock price trend analysis at the transaction level, and illustrate its use for trading in conjunction with a controller, which makes buy and sell decisions. Central to our formulation is a sequence of i.i.d. random variables T-k, which corresponds to the number of transactions between reversals in price direction. For a trader, this is an important indicator of the duration of a trend. For processes with large T-k, there is an incenti...
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作者：Xue, Bai; Zhan, Naijun
作者单位：Chinese Academy of Sciences; Institute of Software, CAS; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS
摘要：In this article, we study the maximal robust invariant set estimation problem for discrete-time perturbed nonlinear systems within the optimal control framework. The maximal robust invariant set of interest is a set of all states such that every possible trajectory starting from it never violates a specified state constraint, regardless of actual disturbances. The maximal robust invariant set is shown to be the zero level set of the unique bounded solution to a Bellman type equation, which is ...
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作者：Chen, Gang; Yang, Qing; Song, Yongduan; Lewis, Frank L.
作者单位：Chongqing University; University of Texas System; University of Texas Arlington
摘要：This article studies the distributed convex optimization problem with a common decision variable, a global inequality constraint, and local constraint sets over a time-varying multiagent network, the objective function of which is a sum of agents' local convex cost functions. To solve such problem, a penalty-based distributed continuous-time subgradient algorithm with time-varying gain is developed for each agent to seek the saddle point of the penalty Lagrangian function. It is shown that an ...
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作者：Aboudonia, Ahmed; Eichler, Annika; Cordiano, Francesco; Banjac, Goran; Lygeros, John
作者单位：Swiss Federal Institutes of Technology Domain; ETH Zurich; Helmholtz Association; Deutsches Elektronen-Synchrotron (DESY)
摘要：Various efforts have been devoted to developing stabilizing distributed model predictive control (MPC) schemes for tracking piecewise constant references. In these schemes, terminal sets are usually computed offline and used in the MPC online phase to guarantee recursive feasibility and asymptotic stability. Maximal invariant terminal sets do not necessarily respect the distributed structure of the network, hindering the distributed implementation of the controller. On the other hand, ellipsoi...
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作者：Lee, Ti-Chung; Tan, Ying; Mareels, Iven
作者单位：National Sun Yat Sen University; University of Melbourne; University of Melbourne
摘要：Checking uniform attractivity of a time-varying dynamic system without a strict Lyapunov function is challenging as it requires the characterization of the limiting behavior of a set of trajectories. In the context of hybrid nonlinear time-varying systems, characterizing such limiting or convergent behaviors is even harder due to the complexity stemming from both continuous-time variations as well as discrete-time jumps. In this article, an extension of the standard hybrid time domain is intro...
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作者：Mazenc, Frederic; Bernard, Olivier
作者单位：Universite Paris Saclay; INRAE
摘要：A simple, necessary, and sufficient condition ensuring that a real matrix of dimension three is similar to a Metzler matrix is exhibited. When this condition is satisfied, a construction of the transfer matrix is given. This construction is used to design an interval observer for a family of continuous-time systems. An example is provided with interval observer design for the so-called love dynamics in the case of limit cycles
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作者：Tian, Bailing; Li, Zhiyu; Zong, Qun
作者单位：Tianjin University
摘要：A multivariable finite-time control algorithm is proposed for double integrator systems with matched disturbances. The remarkable feature of the developed method is to ensure the finite-time stability of the closed-loop system with uniformly bounded control signal with respect to arbitrary initial conditions. The convergence criteria are derived by using the Lyapunov-based techniques, and the upper bound of the control signal can be calculated based on the obtained criteria. Finally, the effec...
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作者：Trentelman, Harry L.; van Waarde, Henk J.; Camlibel, M. Kanat
作者单位：University of Groningen
摘要：In this article, the classical algebraic regulator problem is studied in a data-driven context. The endosystem is assumed to be an unknown system that is interconnected to a known exosystem that generates disturbances and reference signals. The problem is to design a regulator so that the output of the (unknown) endosystem tracks the reference signal, regardless of its initial state and the incoming disturbances. In order to do this, we assume that we have a set of input-state data on a finite...
