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Event-dependent intermittent synchronization of complex networks based on discrete-time state observation
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2025-01-30 DOI: 10.1016/j.sysconle.2025.106025
Zelin Yang, Jian-An Wang, Jie Zhang, Mingjie Li, Hui Shi
{"title":"Event-dependent intermittent synchronization of complex networks based on discrete-time state observation","authors":"Zelin Yang,&nbsp;Jian-An Wang,&nbsp;Jie Zhang,&nbsp;Mingjie Li,&nbsp;Hui Shi","doi":"10.1016/j.sysconle.2025.106025","DOIUrl":"10.1016/j.sysconle.2025.106025","url":null,"abstract":"<div><div>This paper studies the synchronization issue of complex networks via event-dependent intermittent discrete-time observation control (EIDOC) for the first time. Three non-negative real domains are characterized by introducing two boundary functions. The work and rest time of intermittent control rely on the relationship between the Lyapunov function trajectory and non-negative regions. The proposed aperiodically intermittent control is based on discrete-time state observation rather than continuous observation during the work interval. Some sufficient criteria are derived for ensuring synchronization of the network. The theoretical results are employed to deal with single pendulum systems, and numerical simulation have demonstrated the effectiveness of the derived method.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"197 ","pages":"Article 106025"},"PeriodicalIF":2.1,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143171855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Remarks on input to state stability of perturbed gradient flows, motivated by model-free feedback control learning” [Syst. Control Lett. 161 (2022) 105138] “由无模型反馈控制学习驱动的扰动梯度流状态稳定性的输入注释”的勘误表[系统]。控制通讯。161 (2022)105138]
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-12-01 DOI: 10.1016/j.sysconle.2024.105952
Eduardo D. Sontag
{"title":"Corrigendum to “Remarks on input to state stability of perturbed gradient flows, motivated by model-free feedback control learning” [Syst. Control Lett. 161 (2022) 105138]","authors":"Eduardo D. Sontag","doi":"10.1016/j.sysconle.2024.105952","DOIUrl":"10.1016/j.sysconle.2024.105952","url":null,"abstract":"","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"194 ","pages":"Article 105952"},"PeriodicalIF":2.1,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142742951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Compensation of spatially-varying state delay for a first-order hyperbolic PIDE using boundary control” [Syst. Control Lett. 157 (2021) 105050] “用边界控制补偿一阶双曲PIDE的空间变化状态延迟”的勘误表[系统]。管制通告157 (2021)105050]
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-12-01 DOI: 10.1016/j.sysconle.2024.105964
Jing Zhang , Jie Qi
{"title":"Corrigendum to “Compensation of spatially-varying state delay for a first-order hyperbolic PIDE using boundary control” [Syst. Control Lett. 157 (2021) 105050]","authors":"Jing Zhang ,&nbsp;Jie Qi","doi":"10.1016/j.sysconle.2024.105964","DOIUrl":"10.1016/j.sysconle.2024.105964","url":null,"abstract":"","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"194 ","pages":"Article 105964"},"PeriodicalIF":2.1,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142742952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exponential stabilizability and observability at the target imply semiglobal exponential stabilizability by templated output feedback 目标的指数稳定性和可观测性暗示了模板输出反馈的半全局指数稳定性
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-11-30 DOI: 10.1016/j.sysconle.2024.105971
Vincent Andrieu , Lucas Brivadis , Jean-Paul Gauthier , Ludovic Sacchelli , Ulysse Serres
{"title":"Exponential stabilizability and observability at the target imply semiglobal exponential stabilizability by templated output feedback","authors":"Vincent Andrieu ,&nbsp;Lucas Brivadis ,&nbsp;Jean-Paul Gauthier ,&nbsp;Ludovic Sacchelli ,&nbsp;Ulysse Serres","doi":"10.1016/j.sysconle.2024.105971","DOIUrl":"10.1016/j.sysconle.2024.105971","url":null,"abstract":"<div><div>For nonlinear analytic control systems, we introduce a new paradigm for dynamic output feedback stabilization. We propose to periodically sample the usual observer based control law, and to reshape it so that it coincides with a “control template” on each time period. By choosing a control template making the system observable, we prove that this method allows to bypass the uniform observability assumption that is used in most nonlinear separation principles. We prove the genericity of control templates by adapting a universality theorem of Sussmann.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"195 ","pages":"Article 105971"},"PeriodicalIF":2.1,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142757734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Data-driven control of echo state-based recurrent neural networks with robust stability guarantees 具有鲁棒稳定性保证的基于回波状态的递归神经网络数据驱动控制
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-11-29 DOI: 10.1016/j.sysconle.2024.105974
William D’Amico, Alessio La Bella, Marcello Farina
{"title":"Data-driven control of echo state-based recurrent neural networks with robust stability guarantees","authors":"William D’Amico,&nbsp;Alessio La Bella,&nbsp;Marcello Farina","doi":"10.1016/j.sysconle.2024.105974","DOIUrl":"10.1016/j.sysconle.2024.105974","url":null,"abstract":"<div><div>In this work we propose a new data-based approach for robust controller design for a rather general class of recurrent neural networks affected by bounded measurement noise. We first identify the model set compatible with available data in a selected model class via set membership (SM). Then, incremental input-to-state stability and desired performances for the closed loop system are enforced robustly to all models in the identified model set via a linear matrix inequality (LMI) optimization problem. Numerical results show the effectiveness of the comprehensive method.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"195 ","pages":"Article 105974"},"PeriodicalIF":2.1,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A dynamic event-triggered approach for observer-based formation control of multi-agent systems with designable inter-event time 基于观测器的多代理系统编队控制的动态事件触发方法，事件间时间可设计
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-11-26 DOI: 10.1016/j.sysconle.2024.105970
Zeyuan Wang , Mohammed Chadli , Steven X. Ding
{"title":"A dynamic event-triggered approach for observer-based formation control of multi-agent systems with designable inter-event time","authors":"Zeyuan Wang ,&nbsp;Mohammed Chadli ,&nbsp;Steven X. Ding","doi":"10.1016/j.sysconle.2024.105970","DOIUrl":"10.1016/j.sysconle.2024.105970","url":null,"abstract":"<div><div>This paper addresses the leader-following formation control problems for generic linear multi-agent systems under directed topology with designable inter-event time. A synthesis approach combining controller and observer design is developed under a dynamic event-triggered communication and control scheme. The proposed feedback control, state estimation, and event-triggered rules are distributed, and only local information is required for each agent to implement these algorithms. The proposed dynamic event-triggered protocol incorporates model-based estimation and clock-like auxiliary dynamic variables to prolong the inter-event time and economize the network resources. Furthermore, the inter-event time is designable, which allows more flexible tuning of communication frequency with only minor performance degradation. Sufficient conditions for formation control are established by linear matrix inequalities. The proposed method exhibits significant improvement over the dynamic event-triggered control methods described in the existing literature. Compared to the existing static event-triggered strategy, the proposed approach significantly reduces the utilization of communication resources while preserving asymptotic convergence to the desired formation. Comparative simulations demonstrate the validity and effectiveness of the proposed theoretical results.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"195 ","pages":"Article 105970"},"PeriodicalIF":2.1,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Finite-time stability in probability of stochastic delay systems via generalized Halanay inequality 通过广义哈拉内不等式实现随机延迟系统概率的有限时间稳定性
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-11-24 DOI: 10.1016/j.sysconle.2024.105969
Han Yu , Song Zhu , Shiping Wen , Chaoxu Mu
{"title":"Finite-time stability in probability of stochastic delay systems via generalized Halanay inequality","authors":"Han Yu ,&nbsp;Song Zhu ,&nbsp;Shiping Wen ,&nbsp;Chaoxu Mu","doi":"10.1016/j.sysconle.2024.105969","DOIUrl":"10.1016/j.sysconle.2024.105969","url":null,"abstract":"<div><div>This paper presents novel advancements in the analysis and control of stochastic systems with time-varying delays, focusing on the concept of finite-time stability. Firstly, a new kind of generalized Halanay inequality is established. With this crucial approach, two essential stochastic Lyapunov theorems on the finite-time stability in probability of stochastic delay systems with bounded time delays and unbounded time delays, respectively, are derived. In addition, upper bound estimate for the stochastic settling time is given. Furthermore, a type of nonlinear stochastic delay systems is investigated and a delay-independent controller is proposed to achieve finite-time stability in probability. The effectiveness of the results is demonstrated through two illustrative examples.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"195 ","pages":"Article 105969"},"PeriodicalIF":2.1,"publicationDate":"2024-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptive control of reaction–diffusion PDEs via neural operator-approximated gain kernels 通过神经算子近似增益核对反应扩散 PDE 进行自适应控制
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-11-22 DOI: 10.1016/j.sysconle.2024.105968
Luke Bhan , Yuanyuan Shi , Miroslav Krstic
{"title":"Adaptive control of reaction–diffusion PDEs via neural operator-approximated gain kernels","authors":"Luke Bhan ,&nbsp;Yuanyuan Shi ,&nbsp;Miroslav Krstic","doi":"10.1016/j.sysconle.2024.105968","DOIUrl":"10.1016/j.sysconle.2024.105968","url":null,"abstract":"<div><div>Neural operator approximations of the gain kernels in PDE backstepping has emerged as a viable method for implementing controllers in real time. With such an approach, one approximates the gain kernel, which maps the plant coefficient into the solution of a PDE, with a neural operator. It is in adaptive control that the benefit of the neural operator is realized, as the kernel PDE solution needs to be computed online, for every updated estimate of the plant coefficient. We extend the neural operator methodology from adaptive control of a hyperbolic PDE to adaptive control of a benchmark parabolic PDE (a reaction–diffusion equation with a spatially-varying and unknown reaction coefficient). We prove global stability and asymptotic regulation of the plant state for a Lyapunov design of parameter adaptation. The key technical challenge of the result is handling the <span><math><mrow><mn>2</mn><mi>D</mi></mrow></math></span> nature of the gain kernels and proving that the target system with two distinct sources of perturbation terms, due to the parameter estimation error and due to the neural approximation error, is Lyapunov stable. To verify our theoretical result, we present simulations achieving calculation speedups up to <span><math><mrow><mn>45</mn><mo>×</mo></mrow></math></span> relative to the traditional finite difference solvers for every timestep in the simulation trajectory.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"195 ","pages":"Article 105968"},"PeriodicalIF":2.1,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Finite-time output consensus control of nonlinear uncertain multi-agent systems via extended state observer 通过扩展状态观测器实现非线性不确定多代理系统的有限时间输出共识控制
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-11-18 DOI: 10.1016/j.sysconle.2024.105967
Xixi Shen , Jiangping Hu , Wenchao Xue , Bin Meng
{"title":"Finite-time output consensus control of nonlinear uncertain multi-agent systems via extended state observer","authors":"Xixi Shen ,&nbsp;Jiangping Hu ,&nbsp;Wenchao Xue ,&nbsp;Bin Meng","doi":"10.1016/j.sysconle.2024.105967","DOIUrl":"10.1016/j.sysconle.2024.105967","url":null,"abstract":"<div><div>This paper investigates the finite-time consensus problem for nonlinear uncertain multi-agent systems (MASs) affected by mismatched uncertainties and disturbances, as well as partial measurements. An active disturbance rejection control (ADRC) strategy that combines the backstepping technique with an extended state observer is proposed. Firstly, a finite-time state feedback controller is designed to ensure consensus when ignoring external disturbances. Secondly, a finite-time extended state observer (FTESO) is proposed for each agent to estimate the unavailable state and external disturbances, and a feedforward-feedback composite consensus controller is then developed. Furthermore, utilizing the homogeneous domination approach, we demonstrate that the proposed composite control strategy guarantees finite-time output consensus. Finally, the effectiveness of the proposed composite control strategy is illustrated using a multiple-manipulator system as an example.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"194 ","pages":"Article 105967"},"PeriodicalIF":2.1,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142702414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A timestamp-based Nesterov’s accelerated projected gradient method for distributed Nash equilibrium seeking in monotone games 基于时间戳的涅斯捷罗夫加速投影梯度法，用于单调博弈中的分布式纳什均衡寻求
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2024-11-15 DOI: 10.1016/j.sysconle.2024.105966
Nian Liu , Shaolin Tan , Ye Tao , Jinhu Lü
{"title":"A timestamp-based Nesterov’s accelerated projected gradient method for distributed Nash equilibrium seeking in monotone games","authors":"Nian Liu ,&nbsp;Shaolin Tan ,&nbsp;Ye Tao ,&nbsp;Jinhu Lü","doi":"10.1016/j.sysconle.2024.105966","DOIUrl":"10.1016/j.sysconle.2024.105966","url":null,"abstract":"<div><div>In this paper, a timestamp-based Nesterov’s accelerated gradient algorithm is proposed for Nash equilibrium seeking over communication networks for strongly monotone games. Its difference from the well-known consensus-based Nash equilibrium seeking method is that each player’s local estimates of players’ actions is updated by both Nesterov’s accelerated gradient method and timestamp-based broadcasting protocol. We prove its convergence to the <span><math><mi>ϵ</mi></math></span>-approximation Nash equilibrium with the fixed step-size. Simulation results are given to demonstrate the outperformance of the proposed algorithm over some well-known projected gradient approaches. It is shown that the required number of iterations to reach the Nash equilibrium is greatly reduced in our proposed algorithm.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"194 ","pages":"Article 105966"},"PeriodicalIF":2.1,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142655227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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