the National Natural Science Foundation of China(62273058,U22A2045);the Key Science and Technology Projects of Jilin Province(20200401075GX);the Youth Science and Technology Innovation and Entrepreneurship Outstanding Talents Project of Jilin Province(20230508043RC)。
This paper develops a quadratic function convex approximation approach to deal with the negative definite problem of the quadratic function induced by stability analysis of linear systems with time-varying delays.By i...
supported by the fund of Beijing Municipal Commission of Education(Nos.22019821001 and KM202210017001);the Natural Science Foundation of Henan Province(No.222300420253).
This paper discusses the problem of global state regulation via output feedback for a class of feedforward nonlinear time-delay systems with unknown measurement sensitivity. Different from previous works, the nonlinea...
This work has been partially supported by Shenzhen Key Laboratory of Control Theory and Intelligent Systems(Grant No.ZDSYS20220330161800001);Major Program of National Natural Science Foundation of China(Grant Nos.61690210,61690212);National Natural Science Foundation of China(Grant No.61333003);Science Center Program of the National Natural Science Foundation of China(Grant No.62188101).
In this paper,a type of general nonholonomic systems is proposed,which contains both the Brockett’s two example systems,and their extended n-dimensional chained forms,as special cases.For the stabilization of such sy...
supported by Shandong Provincial Natural Science Foundation of China under Grant Nos.ZR2022MF239 and ZR2021MA002。
A stabilization problem for stochastic systems with multiple input delays is investigated herein.A new method to construct an optimal control problem with input constraints is adopted.A sufficient stabilization condit...
supported by the National Natural Science Foundation of China under Grant Nos. 61903282 and 62173259;China Postdoctoral Science Foundation Funded Project under Grant No. 2020T130488
This paper is concerned with the input delay compensation problem for neutral-type systems with both state and input delays.Single/various cascaded-observers based output feedback controllers are designed to predict t...
supported by the National Natural Science Foundation of China(61973175,61973172,62073177);the Key Technologies R&D Program of Tianjin(19JCZDJC32800);Tianjin Research Innovation Project for Postgraduate Students(2020YJSZXB02).
For the typical first-order systems with time-delay,this paper explors the control capability of linear active disturbance rejection control(LADRC).Firstly,the critical time-delay of LADRC is analyzed using the freque...
supported by the National Natural Science Foundation of China(Grant Nos.61625206,61732001,61836005,61872341,61972385).
Time delays occur in various engineering applications because they may be inherent in the plants or caused by networks.In this paper,we investigate the safety verification problem of time-delay systems modeled by nonl...
supported by Major Program of National Natural Science Foundation of China (Grant Nos. 61690210, 61690212);National Natural Science Foundation of China (Grant No. 61333003);Science Center Program of the National Natural Science Foundation of China (Grant No. 62188101)。
In this paper, the fully actuated system(FAS) approaches for continuous-time systems with time-varying state delays and a constant input delay are presented. Two types of continuous-time high-order FASs are proposed: ...
partially supported by Major Program of National Natural Science Foundation of China (Grant Nos.61690210,61690212);National Natural Science Foundation of China (Grant No.61333003);Science Center Program of the National Natural Science Foundation of China (Grant No.62188101)。
In this paper,the fully actuated system(FAS)approaches for continuous-time systems with time-varying state delays are proposed.Two types of continuous-time high-order FAS models with time delays:single-order time-dela...
partially supported by Major Program of National Natural Science Foundation of China(Grant Nos.61690210,61690212);National Natural Science Foundation of China(Grant No.61333003);Fundamental Science Center Program of National Natural Science Foundation of China(Grant No.62188101)。
In continuation to the first part of the paper,this second part further investigates the models and control of discrete-time sub-fully actuated systems with time-varying delays.Firstly,a new representation for general...