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Zhengtian Wu,Lijian Yang,Baoping Jiang,Yonggui Kao 제어·로봇·시스템학회 2019 International Journal of Control, Automation, and Vol.17 No.6
This paper is concerned with the problem of finite-time H∞ control for stochastic singular systems with partly known transition rates (TRs). The transition of system parameters follows a finite-state Markov process. Firstly, based on stochastic functional method and linear matrix inequalities (LMIs) technique, sufficient conditions are proposed to ensure finite-time stochastic boundedness (FTSB) and finite-time H∞ stochastic boundedness (FTH∞SB) of considered stochastic singular system. Secondly,by designing a state feedback controller,strictLMI conditions are obtained to guarantee the closed-loop system with partly known TRs to be FTSB and FTH∞SB. Finally, a numerical example is provided to demonstrate the effectiveness of the proposed methods.
Research on the Stackelberg Game Method of Building Micro-grid with Electric Vehicles
Fu Baochuan,Chen Mengkai,Fei Zhaoan,Wu Jianhan,Xu Xiaoshu,Gao Zhen,Wu Zhengtian,Yang Yalong 대한전기학회 2021 Journal of Electrical Engineering & Technology Vol.16 No.3
A “micro-grid to users” Stackelberg game method with electric vehicles (EVs) is constructed with the aim of addressing the problem of unstable generation of renewable energy. Micro-grids set charging electricity prices and EV discharging electricity prices based on the supply and demand of electrical energy to achieve maximum benefi ts. The user as a follower formulates the electricity consumption and discharge strategy according to the electricity price to achieve the highest electricity satisfaction and the lowest cost. This proves theoretically that only one Stackelberg equilibrium exists in this game. The feasibility of the method is verifi ed through numerical simulation and the advantages of the proposed method are analysed.
Xin Meng,Cunchen Gao,Baoping Jiang,Zhengtian Wu 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.5
This paper aims to investigate the problem of adaptive sliding mode control (SMC) for a class of variableorder fractional (VOF) uncertain coupled systems. First, a novel VOF integral-type sliding surface composed of nonlinear coupling terms is designed with the aid of VOF calculus. Second, based on graph theory, novel asymptotical stability criteria are obtained for the obtained sliding mode dynamics. Moreover, the finite-time reachability of the predefined VOF integral-type sliding surface is ensured by designing a novel adaptive VOF controller. Finally, two numerical studies are presented to verify the validity and superiority of the proposed control strategy.