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Reachable Set Estimation for Itô Stochastic Semi-Markovian Jump Systems Against Multiple Time Delays
Shaoxin Sun,Xin Dai,Ruipeng Xi,Yuliang Cai,Xiangpeng Xie,Chunhua Zhang 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.9
The work deals with these issues of stochastic finite-time boundedness (SFTB), reachable set estimation with input-output finite-time mean square stabilization (IO-FTMSS) for multiple state delayed semi-Markovian jump models subject to uncertainties, stochastic process as well as input constraint. There are few attempts to perform related studies. Firstly, a nonlinear passive control mechanism is designed. Then, a closed-loop model could be acquired. Through stochastic Lyapunov function, these problems of SFTB, reachable set estimation with IO-FTMSS could be solved. In addition, these stability conditions are provided in the framework of linear matrix inequalities. These controller gain matrices, meanwhile, can be derived. At last, this availability of this described strategy can be proved through one simulation.
Xin Dai,Xingxing Hua,Shaoxin Sun,Yue Sun 제어·로봇·시스템학회 2023 International Journal of Control, Automation, and Vol.21 No.12
This paper investigates the incipient fault diagnosis problem of the multiple-output wireless power transfer system (MWPTS). And the MWPTS described in this paper has nonlinearity and high-order characteristics. Firstly, based on the Kirchhoff theorem and the interconnect system modeling method, a more realistic dynamics model of MWPTS with incipient faults, parameter uncertainty, and time delay is established. The proposed modeling method dramatically reduces the order of MWPTS. Then, a novel observer-based control strategy is proposed to estimate incipient faults while keeping the system stable even if MWPTS are affected by time delay and parameter uncertainty. Finally, the simulation result verified the availability of the incipient fault-tolerant method.
Ultrafast epitaxial growth of metre-sized single-crystal graphene on industrial Cu foil
Xu, Xiaozhi,Zhang, Zhihong,Dong, Jichen,Yi, Ding,Niu, Jingjing,Wu, Muhong,Lin, Li,Yin, Rongkang,Li, Mingqiang,Zhou, Jingyuan,Wang, Shaoxin,Sun, Junliang,Duan, Xiaojie,Gao, Peng,Jiang, Ying,Wu, Xiaoson Elsevier 2017 Science bulletin Vol.62 No.15