-
作者：Zhu, Bin; Zorzi, Mattia
作者单位：Sun Yat Sen University; University of Padua
摘要：In this article, we consider the problem of estimating the generalized cepstral coefficients of a stationary stochastic process or stationary multidimensional random field. It turns out that a naive version of the periodogram-based estimator for the generalized cepstral coefficients is not consistent. We propose a consistent estimator for those coefficients. Moreover, we show that the latter can be used in order to build a consistent estimator for a particular class of cascade linear stochasti...
-
作者：Li, Shuai; Wang, Chen; Xie, Guangming
作者单位：Peking University; Peking University; Peking University
摘要：In this article, we investigate and derive optimal strategies for the pursuit-evasion problem of two players with damped double integrator dynamics. The pursuer is assumed to have a greater acceleration and attempt to capture the evader as quickly as possible, while the evader wants to avoid or delay the capture. Different from the problems with single integrator dynamics, optimal strategies for such a problem are not intuitive. To solve this problem, we exploit both geometrical methods and di...
-
作者：Peregudin, Alexey; Furtat, Igor
作者单位：ITMO University
摘要：In this article, we introduce novel duality relations that complement the well-known invariant ellipsoids method. These relations yield ellipsoids with newly established geometrical interpretations and connections to linear system norms. The established duality leads to the optimal synthesis results for state-feedback control, filtering, and output-feedback control problems in the presence of bounded disturbances. The proposed output-feedback control solution is demonstrated to be optimal and ...
-
作者：Huang, Yi; Liu, Guo-Ping; Yu, Yi; Hu, Wenshan
作者单位：Wuhan University; Southern University of Science & Technology
摘要：This article focuses on the consensus and tracking problem of nonlinear multiagent systems under communication delays, and proposes a distributed predictive control scheme, which is independent of the system model and able to actively compensate for communication delays. First, a consensus-related auxiliary variable and its corresponding estimator are innovatively designed to provide a globally consistent value. Then, the idea of dynamic linearization is adopted to obtain the equivalent linear...
-
作者：Meng, Min; Li, Xiuxian; Chen, Jie
作者单位：Tongji University; Tongji University
摘要：This article studies distributed online bandit learning of generalized Nash equilibria for online games, where the cost functions of all players and coupled constraints are time-varying. The function values, rather than full information about cost and local constraint functions, are revealed to local players with time delays. The goal of each player is to selfishly minimize its own cost function with no future information, subject to a strategy set constraint and time-varying coupled inequalit...
-
作者：Mei, Zhan-Dong
作者单位：Xi'an Jiaotong University
摘要：This article is concerned with the output feedback exponential stabilization for a flexible beam with tip mass. When there is no disturbance, it is shown that only one noncollocated measurement is enough to exponentially stabilize the original system by constructing an infinite-dimensional Luenberger state observer to track the state and designing an estimated state-based output feedback control law. This essentially improves the existing result in (Conrad et al. 1998) where two collocated mea...
-
作者：Revay, Max; Wang, Ruigang; Manchester, Ian R.
作者单位：University of Sydney; University of Sydney
摘要：This article introduces recurrent equilibrium networks (RENs), a new class of nonlinear dynamical models for applications in machine learning, system identification, and control. The new model class admits built-in behavioral guarantees of stability and robustness. All models in the proposed class are contracting-a strong form of nonlinear stability-and can satisfy prescribed incremental integral quadratic constraints, including Lipschitz bounds and incremental passivity. RENs are otherwise ve...
-
作者：Tarantino, Lorenzo; Sassano, Mario; Galeani, Sergio; Astolfi, Alessandro
作者单位：Sapienza University Rome; Imperial College London
摘要：A class of finite-horizon optimal control problems, the solution of which relies on a time-varying change of coordinates that incorporates the transition matrix of the system linearized along the current estimate of the optimal process, is studied. The transformed dynamics exhibit a constant optimal costate. Differently from existing methods that hinge upon similar tools, the proposed strategy does not require at each step the (numerical) solution of a two-point boundary value problem or of a ...
-
作者：Zhang, Xu; Yuan, Zhenyuan; Xu, Siyuan; Lu, Yang; Zhu, Minghui
作者单位：Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; Pennsylvania State University - University Park; Lancaster University
摘要：This article considers perception-driven control of a mobile robot for path tracking where perception is performed by a machine learning system. The robot is subject to passive attacks and evasion attacks on image transmission. To defeat the passive attacks, we adopt chaotic encryption technique to disguise pixels of plain images in real time, and construct a bank of fuzzy unknown input observers to decrypt the cipher pixels in parallel. We characterize the security level of the proposed chaot...
-
作者：Wang, Jing; Wang, Dongji; Yan, Huaicheng; Shen, Hao
作者单位：Anhui University of Technology; East China University of Science & Technology; Nanjing University of Science & Technology; East China University of Science & Technology
摘要：This article discusses the problem of composite H(infinity )control for hidden Markov jump systems subject to replay attacks. Since it is difficult to obtain the mode information of the system directly in practice, a hidden Markov model is adopted to facilitate subsequent works. The hidden state represents the actual system dynamics that cannot be known exactly, but can be observed by the detector. Considering the multi-disturbance phenomenon, one of which is norm bounded and another is produc...
