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作者:Khorasani, Masoud Moravej; Weyer, Erik
作者单位:University of Melbourne
摘要:Finite-sample system identification (FSID) methods provide guaranteed confidence regions for the unknown model parameter of dynamical systems under mild statistical assumptions for a finite number of data points. In this article, two FSID methods, the leave-out sign-dominant correlation region (LSCR) and sign-perturbed sums (SPS) methods are extended to errors-in-variables (EIV) systems. In EIV systems, both the measured input and the measured output are corrupted by noise, and they are not no...
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作者:Xiao, Wei; Belta, Calin; Cassandras, Christos G.
作者单位:Boston University; Boston University
摘要:It has been shown that optimizing quadratic costs while stabilizing affine control systems to desired (sets of) states subject to state and control constraints can be reduced to a sequence of quadratic programs (QPs) by using control barrier functions (CBFs) and control Lyapunov functions (CLFs). In this article, we introduce adaptive CBFs (aCBFs) that can accommodate time-varying control bounds and noise in the system dynamics while also guaranteeing the feasibility of the QPs if the original...
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作者:Zhu, Bohao; Lam, James; Xie, Xiaochen; Song, Xiaoqi; Kwok, Ka-Wai
作者单位:University of Hong Kong; The University of Hong Kong Shenzhen Institute of Research & Innovation; University of Hong Kong
摘要:This article is concerned with the stability and L-1-gain analysis of periodic piecewise positive systems with constant time delay. lambda-exponential stability, which is applied to characterize the decay rates of the considered systems, is investigated first. A copositive Lyapunov-Krasovskii functional is used to obtain a sufficient stability condition. The stability condition characterizes the convergent speed of the state by the system matrices and the size of the time delay. One can also a...
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作者:Chen, Guoliang; Fan, Chenchen; Sun, Jian; Xia, Jianwei
作者单位:Liaocheng University; Beijing Institute of Technology; University of Hong Kong; Beijing Institute of Technology; Beijing Institute of Technology
摘要:In this article, for Ito stochastic systems with aperiodic sampling and multiple time-delays, we provide two different types of mean square exponential stability analysis methods. One method is based on the Razumikhin-type theorems method, based on this method, the mean square exponential stability criteria of the system are proposed. Meanwhile, mean square exponential practical stability criteria are also proposed. In addition, through these theorems, the constraint of positivity on the Lyapu...
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作者:Deng, Chao; Wen, Changyun; Huang, Jiangshuai; Zhang, Xian-Ming; Zou, Ying
作者单位:Nanjing University of Posts & Telecommunications; Nanyang Technological University; Chongqing University; Swinburne University of Technology; Hunan University of Science & Technology
摘要:The distributed tracking problem for uncertain nonlinear multiagent systems (MASs) under event-triggered communication is an important issue. However, existing results provide solutions that can only ensure stability with bounded tracking errors, as asymptotic tracking is difficult to be achieved mainly due to the errors caused by event-triggering mechanisms and system uncertainties. In this article, with the aim of overcoming such difficulty, we propose a new methodology. The subsystems in MA...
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作者:Voulgaris, Petros G.; Elia, Nicola
作者单位:Nevada System of Higher Education (NSHE); University of Nevada Reno; University of Minnesota System; University of Minnesota Twin Cities
摘要:In this article, we consider cooperative multiagent systems, where independent agents need to minimize a collective social cost. Given the coupling in the cost, the optimal strategy requires interaction and communications among all the agents in general. In this article, we unveil important classes of social costs which are optimized by decentralized and selfish solutions, hence eliminating the need for an interagent communication network. In particular, we focus on a set of n independent agen...
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作者:Jeong, Yechan; Eun, Yongsoon
作者单位:Daegu Gyeongbuk Institute of Science & Technology (DGIST); Hyundai Motors; Daegu Gyeongbuk Institute of Science & Technology (DGIST)
摘要:This article is concerned with the state estimation of linear dynamic systems when some sensors are corrupted by attackers. This problem is known as resilient state estimation (RSE), and aims to achieve, under some conditions, the estimation of the true state despite the malicious attacks on sensors. The state-of-art RSE methods provides a bound on estimation errors when external disturbance exists. However, it is shown in this article that the effect of the disturbance on estimation error may...
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作者:Bistritz, Ilai; Ward, Andrew; Zhou, Zhengyuan; Bambos, Nicholas
作者单位:Stanford University; New York University
摘要:Consider a network of N providers that each has a certain supply of energy and B consumers that each has a certain demand. The efficiency of transmitting energy between providers and consumers is modeled using a weighted bipartite graph G. Our goal is to maximize the amount of utilized energy using a distributed algorithm that each provider runs locally. We propose a noncooperative energy-allocation game and adopt the best-response dynamics for this game as our distributed algorithm. We prove ...
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作者:Chen, Stephen; Vazquez, Rafael; Krstic, Miroslav
作者单位:University of California System; University of California San Diego; University of Sevilla
摘要:We present a novel methodology for designing output-feedback backstepping bilateral boundary controllers for an unstable 1D diffusion-reaction partial differential equation (PDE) with spatially varying reaction. Using folding transforms the parabolic PDE into a 2 x 2 coupled PDE system with coupling through compatibility conditions. We apply a two-tiered backstepping approach, where the invertibility of the transformations guarantees the state-feedback controllers exponentially stabilize the t...
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作者:Dave, Aditya; Chremos, Ioannis Vasileios; Malikopoulos, Andreas A.
作者单位:University of Delaware
摘要:In this article, we present a resource allocation mechanism to incentivize misinformation filtering among strategic social media platforms and, thus, to indirectly prevent the spread of fake news. We consider the presence of a strategic government and private knowledge of how misinformation affects the users of the social media platforms. Our proposed mechanism strongly implements all generalized Nash equilibria for efficient filtering of misleading information in the induced game, with a bala...