8期

最新文章

• Best Effort Workload Disparity Minimization in Multi-Agent Systems With Capacity Constraints AI翻译
  作者：Oliva, Gabriele; Charalambous, Themistoklis; Faramondi, Luca; Setola, Roberto; Gasparri, Andrea
  作者单位：University Campus Bio-Medico - Rome Italy; University of Cyprus; University Campus Bio-Medico - Rome Italy; Roma Tre University
  摘要：In this article, we propose a load balancing problem formulation where agents cooperate with the aim of simultaneously minimizing both the workload disparity among the agents and the overall workload transfer, under network capacity constraints. Notably, in our computational setting, the network is not just a device for the distributed solution of an optimization problem; on the contrary, the problem shares the same sparsity pattern as the network, and this aspect allows us to solve it without...
• Predictive Feedback Control for Inventory Systems Subject to Delays and Constraints AI翻译
  作者：Farraa, Berna Bou; Abbou, Rosa; Loiseau, Jean Jacques
  作者单位：Centre National de la Recherche Scientifique (CNRS); Nantes Universite
  摘要：In this article, we discuss the inventory regulation problem of a logistic system composed of a production unit and inventory unit. The production system is characterized by a constant lead time, and the storage unit presents fixed losses due to perishable products. In this study, the system is subject to finite production resources, limited storage capacities, and the customer demands are uncertain in a given range. We address a control strategy to the input time delay system that is subject ...
• Robust Adaptive Dynamic Event-Triggered Control of Switched Nonlinear Systems AI翻译
  作者：Long, Lijun; Wang, Fenglan; Chen, Zhiyong
  作者单位：Northeastern University - China; Northeastern University - China; University of Newcastle
  摘要：This article investigates the robust adaptive event-triggered control (ETC) problem for switched nonlinear systems. A novel robust adaptive controller for nonlinear systems under dwell-time switching is first constructed based on a common virtual control Lyapunov function method using backstepping. Then, a dynamic ETC (DETC) strategy is integrated into the switching controller to constitute an overall solution to the problem under investigation while the challenges caused by interaction of swi...
• A Terminal Set Feasibility Governor for Linear Model Predictive Control AI翻译
  作者：Skibik, Terrence; Liao-McPherson, Dominic; Nicotra, Marco M. M.
  作者单位：University of Colorado System; University of Colorado Boulder; Swiss Federal Institutes of Technology Domain; ETH Zurich
  摘要：The feasibility governor (FG) is an add-on unit for model predictive controllers (MPC) that increases the closed-loop region of attraction by manipulating the applied reference to ensure the underlying optimal control problem is always feasible. The FG requires an estimate of the feasible set of the optimal control problem that underlies the MPC; obtaining this estimate can be computationally intractable for high-dimensional systems. This article proposes a modified FG that bypasses the need f...
• A Minimum Principle for Affine-Convex Control Problems With Nonregular Mixed Constraints AI翻译
  作者：Becerril, Jorge A. A.; Cortez, Karla L. L.; de Pinho, Maria do Rosario
  作者单位：Tecnologico de Monterrey; Universidad Autonoma Metropolitana - Mexico; Universidade do Porto
  摘要：In this article, we establish a minimum principle, including a Weierstrass condition, for an affine-convex optimal control problem with mixed constraints without any regularity assumptions on the latter, but requiring only a full-rank condition on the functions defining the equality constraints.
• Structural Estimation of Partially Observable Markov Decision Processes AI翻译
  作者：Chang, Yanling; Garcia, Alfredo; Wang, Zhide; Sun, Lu
  作者单位：Texas A&M University System; Texas A&M University College Station; Texas A&M University System; Texas A&M University College Station
  摘要：Partially observable Markov decision processes (POMDPs) is a well-developed framework for sequential decision-making under uncertainty and partial information. This article considers the (inverse) structural estimation of the primitives of a POMDP based upon data in the form of sequences of observables and implemented actions. We analyze the structural properties of an entropy regularized POMDP and specify conditions under which the model is identifiable without knowledge of the state dynamics...
• Adaptive Output Feedback Control of Nonlinear Systems: A Dynamic-Gain Scaling Approach AI翻译
  作者：Jia, Xianglei; Xu, Shengyuan; Zhou, Shaosheng
  作者单位：Hangzhou Dianzi University; Nanjing University of Science & Technology
  摘要：In this technical note, the problem of global asymptotical state regulation is considered for a class of nonlinear systems with unknown measurement sensitivity and polynomial growth constraint. A new dynamic output feedback controller with dual nonidentification adaptive gains is proposed by means of a novel constructive solution of a pair of matrix inequalities including an unknown time-varying parameter. It mainly reduces the conservatism of the existing results from two aspects: 1) the unkn...
• Secure Your Intention: On Notions of Pre-Opacity in Discrete-Event Systems AI翻译
  作者：Yang, Shuo; Yin, Xiang
  作者单位：University of Pennsylvania; Shanghai Jiao Tong University
  摘要：This article investigates an important information-flow security property called opacity in partially-observed discrete-event systems. We consider the presence of a passive intruder (eavesdropper) that knows the dynamic model of the system and can use the generated information flow to infer some secret of the system. A system is said to be opaque if it always holds the plausible deniability for its secret. Existing notions of opacity only consider secret either as currently visiting some secre...
• The Implicit Maximal Positively Invariant Set AI翻译
  作者：Rakovic, Sasa V.; Zhang, Sixing
  作者单位：Beijing Institute of Technology; Beijing Institute of Technology
  摘要：This article introduces an alternative characterization, together with indirect computation and implicit representation, of the maximal positively invariant set for the nonlinear dynamics and closed constraints. The introduced alternative characterization, indirect computation, and implicit representation of the maximal positively invariant set are novel features that, when combined together, overcome successfully dimensionality related limitations of the standard explicit computation of the m...
• Greedy Search Method for Separable Nonlinear Models Using Stage Aitken Gradient Descent and Least Squares Algorithms AI翻译
  作者：Chen, Jing; Mao, Yawen; Gan, Min; Wang, Dongqing; Zhu, Quanmin
  作者单位：Jiangnan University; Qingdao University; Qingdao University
  摘要：Aitken gradient descent (AGD) algorithm takes some advantages over the standard gradient descent and Newton methods: 1) can achieve at least quadratic convergence in general; 2) does not require the Hessian matrix inversion; 3) has less computational efforts. When using the AGD method for a considered model, the iterative function should be unchanging during all the iterations. This article proposes a hierarchical AGD algorithm for separable nonlinear models based on stage greedy method. The l...