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作者:Shi, Lei; Liu, Qingchen; Shao, Jinliang; Cheng, Yuhua; Zheng, Wei Xing
作者单位:University of Electronic Science & Technology of China; Shenzhen Institute of Artificial Intelligence & Robotics for Society; Chinese Academy of Sciences; University of Science & Technology of China, CAS; Western Sydney University
摘要:Signed networks are widely applied to describe cooperative and competitive interaction relationships arising from various social, biological, and physical systems. In this article, a cooperation-competition evolutionary dynamic model is offered to explain the gradual evolution of the interaction relationship between neighboring nodes in signed networks. The core feature of our model is to portray the interaction relationship between neighboring nodes as a nonlinear function of the state differ...
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作者:Song, Jiawei; Zuo, Zongyu; Basin, Michael
作者单位:Beihang University; Universidad Autonoma de Nuevo Leon
摘要:To reduce the chattering and overestimation phenomena existing in classical adaptive sliding mode control, this article presents a new class K(infinity )function-based adaptive sliding mode control scheme. Two controllers are proposed in terms of concave and convex nonlinear functions to implement this kind of control structure. To avoid large initial control magnitudes, two modified control schemes are provided, which extend the proposed methodology to different scenarios. It is proven that t...
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作者:Wang, Dong; An, Shuang; Lian, Jie
作者单位:Dalian University of Technology
摘要:This article addresses the transfer restricted switching problem for discrete-time switched positive linear systems with all unstable subsystems. To characterize the complex interaction between state components under subsystem switching, the switching digraph and state component digraph are conjoined and a novel switching walk approach is proposed to achieve the exponential stability of switched positive systems. By further deducing the relationship between the obtained decay rate of switched ...
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作者:Benallegue, Mehdi; Benallegue, Abdelaziz; Cisneros, Rafael; Chitour, Yacine
作者单位:National Institute of Advanced Industrial Science & Technology (AIST); Universite Paris Saclay; Universite Paris Saclay
摘要:This article addresses the problem of estimating the tilt and more generally the attitude of a rigid body that is subject to high accelerations and equipped with inertial measurement units (IMU) and a sensor providing the body velocity (expressed in the reference frame attached to the body). In the absence of a magnetometer, tilt estimation is proposed through a two-step observer: a global-exponentially stable pre-estimation given to a manifold-constrained complementary filter. In the presence...
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作者:Ilka, Adrian; Murgovski, Nikolce
作者单位:Slovak University of Technology Bratislava; Chalmers University of Technology
摘要:This article provides novel developments in output-feedback stabilization for linear time-invariant systems within the linear quadratic regulator (LQR) framework. First, we derive the necessary and sufficient conditions for output-feedback stabilizability in connection with the LQR framework. Then, we propose a novel iterative Newton's method for output-feedback LQR design and a computationally efficient modified approach that requires solving only a Lyapunov equation at each iteration step. W...
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作者:Yi, Xinlei; Zhang, Shengjun; Yang, Tao; Chai, Tianyou; Johansson, Karl Henrik
作者单位:Royal Institute of Technology; Northeastern University - China
摘要:In this article, we consider distributed non-convex optimization with the cost functions being distributed over agents. Noting that information compression is a key tool to reduce the heavy communication load for distributed algorithms as agents iteratively communicate with neighbors, we propose three distributed primal-dual algorithms with compressed communication. The first two algorithms are applicable to a general class of compressors with bounded relative compression error and the third a...
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作者:Breschi, Valentina; Sassella, Andrea; Formentin, Simone
作者单位:Polytechnic University of Milan
摘要:On the wave of recent advances in data-driven predictive control, we present an explicit controller that can be constructed from a batch of input/output data only. The proposed explicit law is built upon a regularized data-driven control problem, so as to guarantee the uniqueness of the explicit predictive controller and to endow it with noise handling capabilities. The effectiveness of the retrieved explicit law and the repercussions of regularization on noise handling is analyzed on a benchm...
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作者:Garg, Kunal; Baranwal, Mayank; Gupta, Rohit; Benosman, Mouhacine
作者单位:University of Michigan System; University of Michigan; Tata Sons; Tata Consultancy Services Limited (TCS); University of Michigan System; University of Michigan
摘要:In this article, a novel modified proximal dynamical system is proposed to compute the solution of a mixed variational inequality problem (MVIP) within a fixed time, where the time of convergence is finite and is uniformly bounded for all initial conditions. Under the assumptions of strong monotonicity and Lipschitz continuity, it is shown that a solution of the modified proximal dynamical system exists, is uniquely determined, and converges to the unique solution of the associated MVIP within...
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作者:Liu, Wenjie; Sun, Jian; Wang, Gang; Bullo, Francesco; Chen, Jie
作者单位:Beijing Institute of Technology; Beijing Institute of Technology; Beijing Institute of Technology; University of California System; University of California Santa Barbara; University of California System; University of California Santa Barbara; Tongji University
摘要:The study of resilient control of linear time-invariant (LTI) systems against denial-of-service (DoS) attacks is gaining popularity in emerging cyber-physical applications. In previous works, explicit system models are required to design a predictor-based resilient controller. These models can be either given a priori or obtained through a prior system identification step. Recent research efforts have focused on data-driven control based on precollected input-output trajectories (i.e., without...
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作者:Sriram, Chandrasekhar; Joseph, Geethu; Murthy, Chandra R. R.
作者单位:Indian Institute of Science (IISC) - Bangalore; Delft University of Technology
摘要:The stabilizability of a linear dynamical system (LDS) refers to the existence of control inputs that drive the system state to zero. In this article, we analyze both the theoretical and algorithmic aspects of the stabilizability of an LDS using sparse control inputs with potentially time-varying supports. We show that an LDS is stabilizable using sparse control inputs if and only if it is stabilizable (using unconstrained inputs). For a stabilizable LDS, we present an algorithm to determine t...