11 results on '"Chen, Xiangyong"'
Search Results
2. Stability analysis and design of cooperative control for linear delta operator system.
- Author
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Xue, Yanmei, Han, Jinke, Tu, Ziqiang, and Chen, Xiangyong
- Subjects
STATE feedback (Feedback control systems) ,PARTICIPATORY design ,LINEAR operators ,LINEAR matrix inequalities ,CLOSED loop systems ,MATRIX inequalities ,STABILITY theory ,HOPFIELD networks - Abstract
This paper investigates the cooperative state feedback control problem for delta operator-based large-scale systems with independent subsystems. First, the state feedback controller is introduced to interconnect the adjacent subsystems into a closed-loop system. Second, the Lyapunov function in delta domain is constructed, and the linear matrix inequality method is used to design the cooperative state feedback stability controller for the whole large-scale interconnected system. Third, a performance index is introduced for the design of the optimal cooperative state feedback controller. Finally, stability of the closed-loop system is proved on the basis of stability theory, and simulation examples are given for showing the effectiveness of the design method. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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- View/download PDF
3. Observer‐based finite‐time H∞ control of Itô‐type stochastic nonlinear systems.
- Author
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Wang, Guanzheng, Zhao, Feng, Chen, Xiangyong, and Qiu, Jianlong
- Subjects
STOCHASTIC systems ,NONLINEAR systems ,MARKOVIAN jump linear systems ,LINEAR matrix inequalities - Abstract
This paper investigates the finite‐time H∞$$ {H}_{\infty } $$ control of Itô‐type stochastic nonlinear systems. Considering the transient performance and anti‐interference ability within a given limited time interval, the control strategy of stochastic nonlinear systems is researched. A new sufficient condition for mean‐square finite‐time boundedness for stochastic nonlinear system is developed. Due to the state components are not available, a state observer is designed. Based on the estimated state, an H∞$$ {H}_{\infty } $$ controller is proposed and Linear Matrix Inequality (LMI) conditions are given, which not only guarantee the mean‐square finite‐time boundedness but also satisfy the corresponding H∞$$ {H}_{\infty } $$ performance. Finally, two examples are given to demonstrate the effectiveness of the results. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
4. Dynamic event‐triggered control for leader‐following consensus of multiagent systems with the estimator.
- Author
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Hu, Shunwei, Qiu, Jianlong, Chen, Xiangyong, Zhao, Feng, and Jiang, Xiaowei
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MULTIAGENT systems ,COMPUTER simulation ,PREDICTIVE control systems ,TELECOMMUNICATION systems ,LINEAR matrix inequalities - Abstract
In this paper, the leader‐following consensus problem of general linear multi‐agent systems with distributed dynamic event‐triggered control is studied. A distributed controller with estimated states is designed and a dynamic event‐triggered communication protocol with an auxiliary variable is proposed for each agent to update its triggering threshold. Under this control strategy, the systems only need the states in triggering instants as a result of the utilisation of estimated states. The existence of a dynamic threshold guarantees fewer triggering times, in contrast to the conventional static one. Meanwhile, the estimator is designed between the triggering instants to reduce the state shift, the next state of each agent depends on the local information of itself and its neighbours rather than global information. Then, the multi‐agent systems can achieve consensus without Zeno behaviour. Finally, a simulation example is offered to verify the effectiveness and feasibility of the proposed approach. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
5. Adaptive aperiodically intermittent control for pinning synchronization of directed dynamical networks.
- Author
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Cheng, Liyan, Qiu, Jianlong, Chen, Xiangyong, Zhang, Ancai, Yang, Chengdong, and Chen, Xiao
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LINEAR matrix inequalities ,MATRIX inequalities ,SYNCHRONIZATION - Abstract
Summary: In this paper, we investigate the pinning synchronization of directed complex network with time‐varying delay under the adaptive aperiodically intermittent control. First, the model of a directed complex network is established, the interaction graph of which is not required to contain a directed spanning tree, and for which an adaptive aperiodically intermittent feedback controller is well designed. In addition, based on the Lyapunov function method and linear matrix inequality technique, several asymptotical synchronization criteria are derived via an aperiodically intermittent strategy, which is superior to the periodical scheme. Moreover, the adaptive strategy providing the exponential convergence rate and the pinning algorithm demonstrating how to select pinned nodes are presented. Finally, numerical examples are provided to illustrate the effectiveness of the derived theoretical results. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
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6. Anti-disturbance synchronization of fuzzy genetic regulatory networks with reaction-diffusion.
- Author
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Qin, Yuqing, Wang, Jing, Chen, Xiangyong, Shi, Kaibo, and Shen, Hao
- Subjects
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MATHEMATICAL decoupling , *LINEAR matrix inequalities , *AUTOMATIC control systems , *SYNCHRONIZATION , *EIGENFUNCTIONS , *LYAPUNOV functions - Abstract
This paper intends to focus on the anti-disturbance synchronization issue for genetic regulatory networks subject to reaction-diffusion terms based on the Takagi-Sugeno fuzzy model. In view of the fact that disturbances are widespread in actual control engineering, the stability of the aforementioned systems would be affected, therefore, ensuring the stability of closed-loop genetic regulatory networks is the main goal of this paper. The unknown disturbances are supposed to be generated by an exogenous system, which can be estimated by developing disturbance observers. Furthermore, integrating the disturbance observers with fuzzy rule-based conventional control laws, a new anti-disturbance control strategy is proposed to reject the disturbances and guarantee the desired dynamic performances. Then, by constructing a proper Lyapunov function and using advanced decoupling techniques, some sufficient conditions in the form of linear matrix inequalities, to guarantee the asymptotic stability of the error system, are obtained. Finally, an illustrated example is presented to demonstrate the effectiveness and superiority of the proposed method. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
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7. Synchronization criteria of delayed inertial neural networks with generally Markovian jumping.
- Author
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Wang, Junyi, Wang, Zhanshan, Chen, Xiangyong, and Qiu, Jianlong
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LINEAR matrix inequalities , *SYNCHRONIZATION , *DIFFERENTIAL equations , *TIME-varying networks , *UNCERTAIN systems - Abstract
In this paper, the synchronization problem of inertial neural networks with time-varying delays and generally Markovian jumping is investigated. The second order differential equations are transformed into the first-order differential equations by utilizing the variable transformation method. The Markovian process in the systems is uncertain or partially known due to the delay of data transmission channel or the loss of data information, which is more general and practicable to consider generally Markovian jumping inertial neural networks. The synchronization criteria can be obtained by using the delay-dependent Lyapunov–Krasovskii functionals and higher order polynomial based relaxed inequality (HOPRII). In addition, the desired controllers are obtained by solving a set of linear matrix inequalities. Finally, the numerical examples are provided to demonstrate the effectiveness of the theoretical results. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
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8. Finite-time stability of genetic regulatory networks with impulsive effects.
- Author
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Qiu, Jianlong, Sun, Kaiyun, Yang, Chengdong, Chen, Xiao, Chen, Xiangyong, and Zhang, Ancai
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GENE regulatory networks , *LYAPUNOV functions , *LINEAR matrix inequalities , *STABILITY theory , *DIFFERENTIAL equations - Abstract
We study the finite-time stability of genetic regulatory networks with impulsive effects. Using the method of Lyapunov function, sufficient conditions of the finite-stability, in terms of linear matrix inequalities, are established. A numerical example is provided to further illustrate the significance of our results. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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9. Sliding mode control of persistent dwell-time switched systems with random data dropouts.
- Author
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Yang, Yi, Chen, Fei, Lang, Jiahong, Chen, Xiangyong, and Wang, Jing
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SLIDING mode control , *LINEAR matrix inequalities , *EXPONENTIAL stability , *DISCRETE-time systems , *CLOSED loop systems - Abstract
• As the first attempt, we considered the state information required by the sliding mode controller will be randomly dropouts, which is reflected in the obtained equivalent sliding mode controller. • A novel method is utilized for the SMC problem of the PDT switched systems with data dropouts, and a novel SMC law is proposed. • For the PDT switched systems, some sufficient conditions to guarantee the mean-square exponential stability with data dropouts are derived for the PDT switched systems and the H ∞ performance of the system is analyzed through utilizing the linear matrix inequality technique. This paper concentrates on the sliding mode control problem for a set of discrete-time switched systems. As the first attempt, the persistent dwell-time switching rule is considered in the research of sliding mode control for switched systems. Furthermore, data dropouts are frequently encountered in the process of data transmission, and it should be considered in the process of designing the sliding mode control law so that the state trajectories are guaranteed to move in a region around the specified sliding surface. Based on the Lyapunov theory and the matrix convex optimization technique, the main concern of this paper is to construct a sliding mode controller to ensure that the closed-loop system is mean-square exponentially stable with a prescribed weighted H ∞ performance. Finally, the effectiveness and rationality of the obtained results are verified by a numerical example. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
10. Asynchronous fault-tolerant control for stochastic jumping singularly perturbed systems: An H∞ sliding mode control scheme.
- Author
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Yang, Chengyu, Li, Fei, Kong, Qingkai, Chen, Xiangyong, and Wang, Jian
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SLIDING mode control , *LINEAR matrix inequalities , *SINGULAR perturbations , *STOCHASTIC systems , *MATHEMATICAL optimization , *CLOSED loop systems - Abstract
• Compared with the previous works about MJSPSs that the controller was assumed to directly obtain the system mode, we utilize the HMM to describe this asynchronous phenomenon, thus the designed controller is more general and appropriate. • Aiming at the Markov jump and singularly perturbed parameter (SPP) in the system, a proper mode-independent sliding surface and an asynchronous SMC law in consideration of the singularly perturbed parameter matrix are proposed based on the HMM approach. • As the first attempt, the fault-tolerant control scheme is applied in the asynchronous SMC for MJSPSs. Combined with it, the mean-square stability with an acceptable H ∞ system performance is achieved. This work studies the asynchronous fault-tolerant sliding mode control for uncertain stochastic jumping systems subject to singular perturbations, in which the controller is assumed to be able to estimate the hidden system mode through a detector with a conditional probability via the hidden-Markov model. Additionally, in consideration of avoiding the system performance decreases generated by the actuator degradation, the synthesized fault-tolerant sliding mode control scheme is first employed. Through applying a common singularly perturbed parameter based sliding surface, this paper attempts to construct a proper asynchronous sliding mode control law that can ensure not only the reachability but also the closed-loop system is stable with an expected H ∞ performance index. By virtue of the mode-dependent Lyapunov function and the hidden-Markov model approach, sufficient conditions are acquired. Besides, solving linear matrix inequalities for obtaining the control gain matrices are given through the convex optimization theory. Eventually, the effectiveness and feasibility of the proposed asynchronous fault-tolerant sliding mode control scheme are verified by a numerical example. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
11. Stability of high-order delayed Markovian jumping reaction-diffusion HNNs with uncertain transition rates.
- Author
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Suriguga, Kao, Yonggui, Shao, Chuntao, and Chen, Xiangyong
- Subjects
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MARKOVIAN jump linear systems , *EXPONENTIAL stability , *LINEAR matrix inequalities , *HOPFIELD networks - Abstract
• The mean square exponential stability of high-order Markovian jump reaction-diffusion. • HNNs (RHNNs) with GUTRs is firstly discussed. • The uncertainties exist in not only parameters but also transition rates. • Each transition rate can be completely unknown or only its estimate value is known. • Our models are more comprehensive and some existing results are special cases of ours. • A numerical example illustrates the validity of our findings. This paper focuses on mean square exponential stability of high-order Markovian jump reaction-diffusion HNNs (RHNNs) with uncertain transition rates (GUTRs) and time-varying delays by Lyapunov-Krasovskii functional method and linear matrix inequality (LMI). In this GUTR model, only part of the transition rates can be known, namely, its estimate error and estimate value are known, but the others have no useful information. Our models are more comprehensive and some existing results are special cases of ours. Finally, a numerical example illustrates the validity of our findings. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
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