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Recursive identification of nonlinear nonparametric systems under event-triggered observations
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2025-02-01 DOI: 10.1016/j.sysconle.2024.106013
Xiaotao Ren , Wenxiao Zhao , Han Zhang
{"title":"Recursive identification of nonlinear nonparametric systems under event-triggered observations","authors":"Xiaotao Ren ,&nbsp;Wenxiao Zhao ,&nbsp;Han Zhang","doi":"10.1016/j.sysconle.2024.106013","DOIUrl":"10.1016/j.sysconle.2024.106013","url":null,"abstract":"<div><div>In the paper, recursive identification of the nonlinear nonparametric system is considered, where measurements for identification are subject to an event-triggered scheme and the system itself is of a finite impulse response (FIR) type. First, an adaptive event detector is designed and the measurements for identification are transmitted depending whether the value of the detector is 1 or 0. Second, a recursive identification algorithm is proposed with the help of a kernel-based stochastic approximation algorithm with expanding truncations (SAAWET). Third, under some reasonable assumptions, the estimates are proved to be strongly consistent, i.e., converging almost surely to the values of the unknown function in the system at any fixed points, and the transmission rate of the detector is analyzed as well. Finally, numerical examples are given to justify the theoretical results.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"196 ","pages":"Article 106013"},"PeriodicalIF":2.1,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183647","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
Distributed state estimation for interdependent and switching multi-agent systems 相互依存和切换多代理系统的分布式状态估计
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2025-02-01 DOI: 10.1016/j.sysconle.2024.105984
Camilla Fioravanti , Andrea Gasparri , Stefano Panzieri , Gabriele Oliva
{"title":"Distributed state estimation for interdependent and switching multi-agent systems","authors":"Camilla Fioravanti ,&nbsp;Andrea Gasparri ,&nbsp;Stefano Panzieri ,&nbsp;Gabriele Oliva","doi":"10.1016/j.sysconle.2024.105984","DOIUrl":"10.1016/j.sysconle.2024.105984","url":null,"abstract":"<div><div>This paper addresses the problem of multi-agent distributed state estimation in switching networks over directed graphs. Specifically, we consider a novel estimation setting for a linear continuous-time system that is broken down into subsystems, each of which is locally estimated by the corresponding agent. This task is undertaken despite the complexities due to interdependencies on both cyber and physical levels, and due to the fact that the system is <em>switching</em>, i.e., the different subsystems/agents can activate (e.g., to accomplish some specific task) or deactivate (e.g., due to a fault) during a transient that ends with a cutoff time, unknown to the agents, after which the topology becomes fixed. In particular, by exploiting the <em>negativizability</em> property – the pair <span><math><mrow><mo>(</mo><mi>A</mi><mo>,</mo><mi>C</mi><mo>)</mo></mrow></math></span> is negativizable if there is a feedback gain <span><math><mi>K</mi></math></span> such that <span><math><mrow><mi>A</mi><mo>−</mo><mi>K</mi><mi>C</mi></mrow></math></span> is negative definite – each agent is able to locally perform the calculation of its own estimation gain matrix. The paper is complemented by the convergence analysis of the estimation error executed by leveraging on nonsmooth analysis and simulations to prove the effectiveness of the proposed results.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"196 ","pages":"Article 105984"},"PeriodicalIF":2.1,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143182998","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
Minimal finite-time observability of Markovian jump Boolean networks
IF 2.1 3区 计算机科学
Systems & Control Letters Pub Date : 2025-02-01 DOI: 10.1016/j.sysconle.2024.106007
Lina Wang , Zicong Xia , Yang Liu , Shun-ichi Azuma , Weihua Gui
{"title":"Minimal finite-time observability of Markovian jump Boolean networks","authors":"Lina Wang ,&nbsp;Zicong Xia ,&nbsp;Yang Liu ,&nbsp;Shun-ichi Azuma ,&nbsp;Weihua Gui","doi":"10.1016/j.sysconle.2024.106007","DOIUrl":"10.1016/j.sysconle.2024.106007","url":null,"abstract":"<div><div>In this paper, the finite-time observability and minimal finite-time observability problems of Markovian jump Boolean networks (MJBNs) are addressed. The signal space is partitioned to facilitate the observability analysis, followed by novel criteria for the finite-time observability of MJBNs. To reduce measurement costs, a minimal finite-time observability problem is formulated, involving the injection of the minimum number of sensors necessary for an unobservable MJBN to achieve finite-time observability. By introducing an indicator matrix, the minimal finite-time observability problem is converted into a 0–1 programming problem, and a collaborative neurodynamic optimization approach with multiple recurrent neural networks is developed for obtaining a global optimal solution. Two illustrative examples, including a biological simulation, are provided to demonstrate the theoretical results.</div></div>","PeriodicalId":49450,"journal":{"name":"Systems & Control Letters","volume":"196 ","pages":"Article 106007"},"PeriodicalIF":2.1,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143183646","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
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
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