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Dynamic output-feedback control 1

Event-triggered control 1

Finite-time formation 1

Global asymptotic stability 1

Linear matrix inequality (LMI) 1

Lipschitz nonlinear system 1

Lyapunov theorem 1

Multi-agent system 1

Multi-agent systems (MASs) 1

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Event-triggered dynamic output-feedback control for a class of Lipschitz nonlinear systems Research Article

Zhiqian LIU, Xuyang LOU, Jiajia JIA

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 11,   Pages 1684-1699 doi: 10.1631/FITEE.2100552

Abstract:

This paper investigates the problem of for a class of s. First, a continuous-time controller is constructed and sufficient conditions for stability of the nonlinear systems are presented. Then, a novel event-triggered mechanism is proposed for the s in which new event-triggered conditions are introduced. Consequently, a closed-loop hybrid system is obtained using the strategy. Sufficient conditions for stability of the closed-loop system are established in the framework of hybrid systems. In addition, an upper bound of a minimum inter-event interval is provided to avoid the Zeno phenomenon. Finally, numerical examples of a neural network system and a genetic regulatory network system are provided to verify the theoretical results and to show the superiority of the proposed method.

Keywords： Lipschitz nonlinear system     Dynamic output-feedback control     Event-triggered control     Global asymptotic    

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Solution and stability of continuous-time cross-dimensional linear systems

Qing-le Zhang, Biao Wang, Jun-e Feng,zqlcfc03@163.com,wangbiao9956@163.com,fengjune@sdu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 2,   Pages 141-286 doi: 10.1631/FITEE.1900504

Abstract: We investigate the solution and stability of continuous-time linear systems (CCDLSs) with dimension bounded by and . Using the integral iteration method, the solution to CCDLSs can be obtained. Based on the new algebraic expression of the solution and the Jordan decomposition method of matrix, a necessary and sufficient condition is derived for judging whether a CCDLS is asymptotically stable with a given initial state. This condition demonstrates a method for finding the domain of attraction and its relationships. Then, all the initial states that can be stabilized are studied, and a method for designing the corresponding controller is proposed. Two examples are presented to illustrate the validity of the theoretical results.

Keywords： Cross-dimensional     V-addition     V-product     Asymptotic stability     Stabilization    

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Finite-time formation control for first-order multi-agent systems with region constraints Research Articles

Zhengquan Yang, Xiaofang Pan, Qing Zhang, Zengqiang Chen,zquanyang@163.com,1219006322@qq.com,qz120168@hotmail.com,chenzq@nankai.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 1,   Pages 1-140 doi: 10.1631/FITEE.2000177

Abstract: In this study, the control of s with region constraints is studied. Multiple agents have first-order dynamics and a common target area. A novel control algorithm is proposed using local information and interaction. If the communication graph is undirected and connected and the desired framework is rigid, it is proved that the controller can be used to solve the formation problem with a target area. That is, all agents can enter the desired region in finite time while reaching and maintaining the desired formation shapes. Finally, a numerical example is given to illustrate the results.

Keywords： Finite-time formation     Multi-agent system     Asymptotic convergence     Set constraint     Lyapunov theorem    

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Static analysis of corrugated panels using homogenization models and a cell-based smoothed mindlin plate element (CS-MIN3)

Nhan NGUYEN-MINH, Nha TRAN-VAN, Thang BUI-XUAN, Trung NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 251-272 doi: 10.1007/s11709-017-0456-0

Abstract: Homogenization is a promising approach to capture the behavior of complex structures like corrugated panels. It enables us to replace high-cost shell models with stiffness-equivalent orthotropic plate alternatives. Many homogenization models for corrugated panels of different shapes have been proposed. However, there is a lack of investigations for verifying their accuracy and reliability. In addition, in the recent trend of development of smoothed finite element methods, the cell-based smoothed three-node Mindlin plate element (CS-MIN3) based on the first-order shear deformation theory (FSDT) has been proposed and successfully applied to many analyses of plate and shell structures. Thus, this paper further extends the CS-MIN3 by integrating itself with homogenization models to give homogenization methods. In these methods, the equivalent extensional, bending, and transverse shear stiffness components which constitute the equivalent orthotropic plate models are represented in explicit analytical expressions. Using the results of ANSYS and ABAQUS shell simulations as references, some numerical examples are conducted to verify the accuracy and reliability of the homogenization methods for static analyses of trapezoidally and sinusoidally corrugated panels.

Keywords： homogenization     corrugated panel     asymptotic analysis     smoothed finite element method (S-FEM)     cell-based    

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Synchronization of nonlinear multi-agent systems using a non-fragile sampled data control approach and its application to circuit systems Research Article

Stephen AROCKIA SAMY, Raja RAMACHANDRAN, Pratap ANBALAGAN, Yang CAO,caoyeacy@seu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 4,   Pages 553-566 doi: 10.1631/FITEE.2200181

Abstract: The main aim of this work is to design a scheme for the criteria for interconnected coupled circuit systems (multi-agent systems, MASs). NFSDC is used to conduct synchronization analysis of the considered MASs in the presence of s. By constructing suitable Lyapunov functions, sufficient conditions are derived in terms of linear matrix inequalities (LMIs) to ensure synchronization between the MAS leader and follower systems. Finally, two numerical examples are given to show the effectiveness of the proposed control scheme and less conservation of the proposed Lyapunov functions.

Keywords： MASs)     Non-fragile sampled data control (NFSDC)     Time-varying delay     Linear matrix inequality (LMI)     Asymptotic    

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Title Author Date Type Operation

Event-triggered dynamic output-feedback control for a class of Lipschitz nonlinear systems

Zhiqian LIU, Xuyang LOU, Jiajia JIA

Journal Article

Solution and stability of continuous-time cross-dimensional linear systems

Qing-le Zhang, Biao Wang, Jun-e Feng,zqlcfc03@163.com,wangbiao9956@163.com,fengjune@sdu.edu.cn

Journal Article

Finite-time formation control for first-order multi-agent systems with region constraints

Zhengquan Yang, Xiaofang Pan, Qing Zhang, Zengqiang Chen,zquanyang@163.com,1219006322@qq.com,qz120168@hotmail.com,chenzq@nankai.edu.cn

Journal Article

Static analysis of corrugated panels using homogenization models and a cell-based smoothed mindlin plate element (CS-MIN3)

Nhan NGUYEN-MINH, Nha TRAN-VAN, Thang BUI-XUAN, Trung NGUYEN-THOI

Journal Article

Synchronization of nonlinear multi-agent systems using a non-fragile sampled data control approach and its application to circuit systems

Stephen AROCKIA SAMY, Raja RAMACHANDRAN, Pratap ANBALAGAN, Yang CAO,caoyeacy@seu.edu.cn

Journal Article