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作者：Sabag, Oron; Tian, Peida; Kostina, Victoria; Hassibi, Babak
作者单位：California Institute of Technology; Hebrew University of Jerusalem
摘要：We study the linear quadratic Gaussian (LQG) control problem, in which the controller's observation of the system state is insufficient to attain a desired quadratic control cost. To achieve the desired LQG cost, we introduce a communication link from the observer (encoder) to the controller (decoder). We investigate the fundamental tradeoff between a desired LQG cost and the required communication (information) resources, measured with the conditional directed information. The optimization do...
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作者：Saeki, Masami
作者单位：Hiroshima University
摘要：When the H-8 loop-shaping controller is implemented as a unity feedback system, its step responses are sometimes unsuitable for tracking control, typically, displaying large overshoots. In this article, the implementation method is studied for tracking control with small overshoots. Three implementation methods that are described by a unity feedback system, a previous simple two-degrees-of-freedom (2DoF) system, and a new simple 2DoF system proposed in this article are examined. For the closed...
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作者：Gakis, Grigorios; Smith, Malcolm C. C.
作者单位：University of Cambridge
摘要：In this article, we consider a deterministic estimation problem to find the input and state of a linear dynamical system, which minimize a weighted integral squared error between the resulting output and the measured output. A completion of squares approach is used to find the unique optimum in terms of the solution of a Riccati differential equation. The optimal estimate is obtained from a two-stage procedure that is reminiscent of the Kalman filter. The first stage is an end-of-interval esti...
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作者：Rakovic, Sasa V.; Dai, Li; Xia, Yuanqing
作者单位：Beijing Institute of Technology
摘要：Homothetic tube model predictive control is generalized to the setting of nonlinear discrete-time systems. The developed generalization is natural in the sense that the utilized assumptions in the nonlinear setting are suitably generalized variants of the related assumptions deployed in the linear case. The main analysis is carried out for Lipschitz systems, and it is subsequently extended to set-valued systems and other classes of nonlinear systems as well as particularized for parametericall...
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作者：Hagiwara, Tomomichi; Hara, Hiroki
作者单位：Kyoto University
摘要：This article is relevant to appropriately defining the L-2/L-2 Hankel norm of sampled-data systems through setting a general time instant Theta at which past and future are to be separated and introducing the associated quasi L-2/L-2 Hankel operator/norm at Theta. We first provide a method for computing the quasi L-2/L-2 Hankel norm for each Theta, which is carried out by introducing a shifted variant of the standard lifting technique for sampled-data systems. In particular, it is shown that t...
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作者：Li, Liya; Shi, Peng; Ahn, Choon Ki; Kim, Yeong Jun; Xing, Wen
作者单位：Tiangong University; Harbin Engineering University; University of Adelaide; Korea University; Harbin Engineering University
摘要：In this article, we develop a tube-based distributed model predictive full containment control algorithm for leader-following systems with bounded disturbance under dynamic leaders. The proposed algorithm employs knowledge regarding the constraints on states and control inputs to extrapolate their admissible values in the entire predictive horizon. The Kalman filter is utilized to estimate the system states, introducing estimated error. The error and disturbance are both involved in the time-v...
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作者：Michiels, Wim
作者单位：KU Leuven
摘要：For control systems where the closed-loop system description is governed by linear delay-differential equations of neutral type, it is known that stability may be fragile, in the sense of sensitive to infinitesimal perturbations to parameters in the system model or arbitrarily small errors in the implementation of the controller. A natural approach to resolve this problem of ill-posedness and to break down the underlying instability mechanisms, rooted in characteristic roots moving from the le...
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作者：Tie, Lin
作者单位：Beihang University
摘要：Lie algebra methods are powerful for studying controllability of continuous-time nonlinear systems and most controllability criteria of continuous-time nonlinear systems are Lie-algebraic conditions. However, the Lie-algebraic conditions are in general difficult to verify if the system dimension is high. In this article, we propose a new perspective to study controllability of continuous-time bilinear systems without using the Lie-algebraic conditions. Specifically, we first consider controlla...
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作者：Huang, Shijie; Lei, Jinlong; Hong, Yiguang
作者单位：Chinese Academy of Sciences; Academy of Mathematics & System Sciences, CAS; Tongji University
摘要：This article considers distributed Nash equilibrium (NE) seeking of strongly monotone aggregative games over a multiagent network. Each player can only observe its own strategy while can exchange information with its neighbors via a communication graph. To solve the problem, we propose a distributed algorithm with multiple rounds of communication, where the players need constant rounds of communication with their neighbors at each iteration. We then prove that our algorithm converges to the (u...
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作者：Zhang, Lixian; Xu, Kaixin; Yang, Jianan; Han, Minghao; Yuan, Shuai
作者单位：Harbin Institute of Technology
摘要：technical article is concerned with the bumpless transfer control synthesis of a class of discrete-time switched lin-ear systems with general persistent dwell-time (PDT) switching sig-nals. A novel piecewise transition-dependent controller facilitating the control synthesis is designed, which ensures the stability of the closed-loop system as well as the bumpless transfer at the oc-currence of the switching. By imposing the given bumps limitation constraints, sufficient conditions on the exist...
