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作者：Zhang, Zhengqiang; Yang, Chen; Chen, Xinkai
作者单位：Qufu Normal University; Shibaura Institute of Technology
摘要：The decentralized robust model reference adaptive control (MRAC) problem is studied for a class of large-scale systems with unknown plant parameters, unknown time-varying delayed interconnections, and unknown dead-zone inputs. Two robust adaptive control schemes are proposed for the cases of symmetric dead-zone input and asymmetric dead-zone input under the assumption of moderate time-delay nonlinearity and the matching conditions of the plant model and the reference model matrix, respectively...
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作者：Georgiou, Anastasis; Tahir, Furqan; Jaimoukha, Imad M.; Evangelou, Simos A.
作者单位：Imperial College London
摘要：This article investigates the problem of robust model predictive control (RMPC) of linear-time-invariant discrete-time systems subject to structured uncertainty and bounded disturbances. Typically, the constrained RMPC problem with state-feedback parameterizations is nonlinear (and nonconvex) with a prohibitively high computational burden for online implementation. To remedy this, a novel approach is proposed to linearize the state-feedback RMPC problem, with minimal conservatism, through the ...
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作者：Petrus, Bryan; Chen, Zhelin; El-Kebir, Hamza; Bentsman, Joseph; Thomas, Brian G.
作者单位：University of Illinois System; University of Illinois Urbana-Champaign; Colorado School of Mines
摘要：By taking enthalpy-an internal energy of a diffusion-type system-as the system state and expressing it in terms of the temperature profile and the phase-change interface position, the output feedback boundary control laws for a fundamentally nonlinear single-phase one-dimensional (1-D) PDE process model with moving boundaries, referred to as the Stefan problem, are developed. The control objective is tracking of the spatiotemporal temperature and temporal interface (solidification front) traje...
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作者：Soleymani, Touraj; Baras, John S.; Hirche, Sandra; Johansson, Karl H.
作者单位：Royal Institute of Technology; University System of Maryland; University of Maryland College Park; Technical University of Munich
摘要：rate-regulation tradeoff, defined between two objective functions, one penalizing the packet rate and one the regulation cost, can express the fundamental performance bound of networked control systems. However, the characterization of the set of globally optimal solutions in this tradeoff for multidimensional Gauss-Markov processes has been an open problem. In this article, we characterize a policy profile that belongs to this set without imposing any restrictions on the information structure...
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作者：Ye, Hefu; Song, Yongduan
作者单位：Chongqing University
摘要：It is highly desirable yet challenging to achieve zero-error tracking within a given short time period for uncertain multi-input-multi-output (MIMO) nonlinear systems. Previous results are primarily state-regulation oriented and are valid only for single-input single-output linear systems or nonlinear systems in normal-form. This note presents a tracking control solution for high-order MIMO nonlinear systems in strict-feedback-like form. The proposed control is able to achieve precise tracking...
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作者：Wabersich, Kim P.; Zeilinger, Melanie N.
作者单位：Swiss Federal Institutes of Technology Domain; ETH Zurich
摘要：While learning-based control techniques often outperform classical controller designs, safety requirements limit the acceptance of such methods in many applications. Recent developments address this issue through so-called predictive safety filters, which assess if a proposed learning-based control input can lead to constraint violations and modifies it if necessary to ensure safety for all future time steps. The theoretical guarantees of such predictive safety filters rely on the model assump...
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作者：Jiao, Junjie; Trentelman, Harry L.; Camlibel, M. Kanat
作者单位：Technical University of Munich; University of Groningen
摘要：This article investigates the H-2 and H-8. suboptimal distributed filtering problems for continuous-time linear systems. We consider a linear system monitored by a number of filters, where each of the filters receive only part of the measured output of the system. Each filter can communicate with the other filters according to a priori given strongly connected weighted directed graph. The aim is to design filter gains that guarantee the H-2 or H-8. norm of the transfer matrix from the disturba...
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作者：Romao, Licio; Papachristodoulou, Antonis; Margellos, Kostas
作者单位：University of Oxford
摘要：We revisit the so-called sampling and discarding approach used to quantify the probability of constraint violation of a solution to convex scenario programs when some of the original samples are allowed to be discarded. Motivated by two scenario programs that possess analytic solutions and the fact that the existing bound for scenario programs with discarded constraints is not tight, we analyze a removal scheme that consists of a cascade of optimization problems, where, at each step, we remove...
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作者：Yang, Xinrong; Li, Haitao
作者单位：Shandong Normal University
摘要：This article analyzes the stability of probabilistic Boolean networks (PBNs) with switching discrete probability distribution (DPD). First, the dynamics of PBNs with switching DPD is converted to an algebraic form by using the semitensor product of matrices. Second, based on the algebraic form, two essential concepts, that is, expectation of number of trajectories (ENT) and state expectation matrix, are proposed. Third, some criteria are presented for the finite-time stability and asymptotical...
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作者：Hakimi-Moghaddam, Mojtaba; Ferrante, Augusto
作者单位：Quchan University of Technology; University of Padua
摘要：In this note, we address an inconsistency in our recent article (Hakimi-Moghaddam and Ferrante, 2021). In particular, we provide an example showing that Lemma III.1 of that article is not correct. We show how the statement of this lemma can be modified in order to resolve this inconsistency. We also describe how this modification impact the other results of the article. Notwithstanding the fact that Lemma III.1 plays a central role in the proof of the main result of (Hakimi-Moghaddam and Ferra...
