Zobrazeno 1 - 10
of 214
pro vyhledávání: '"Weicun Zhang"'
Publikováno v:
Measurement + Control, Vol 57 (2024)
The nonlinear system control is a classical problem in control engineering. In this paper, rather than try to get accurate nonlinear dynamics, the nonlinear and uncertain dynamics are viewed as a signal. It can be estimated by an extended state obser
Externí odkaz:
https://doaj.org/article/0a2ca887e7824f5d81f4c503370cdd24
Publikováno v:
Entropy, Vol 25, Iss 7, p 1076 (2023)
This study presents a general framework for the control of unknown dynamic systems with unknown input delay. A concise output feedback control system is structured with tuning stabilization/dynamic response by an output feedback low gain, removing st
Externí odkaz:
https://doaj.org/article/aeacdd42505442cda9114994819549b3
Autor:
Weicun Zhang, Yanan Li
Publikováno v:
IEEE Access, Vol 9, Pp 97138-97151 (2021)
Many-objective optimization problems are widely applied and complex to solve. For most many-objective evolutionary algorithms, maintaining the balance of solution convergence and diversity is a challenging problem. Considering the convergence and div
Externí odkaz:
https://doaj.org/article/3e5b9d69dc9b47bdba5aee9839f3315c
Publikováno v:
Entropy, Vol 25, Iss 1, p 173 (2023)
The stability and convergence analysis of a multivariable stochastic self-tuning system (STC) is very difficult because of its highly nonlinear structure. In this paper, based on the virtual equivalent system method, the structural nonlinear or nonli
Externí odkaz:
https://doaj.org/article/d33ee34585f348c4be014dd373847bb5
Active disturbance rejection control for a piezoelectric nano-positioning system: A U-model approach
Publikováno v:
Measurement + Control, Vol 54 (2021)
Both speed and accuracy are key issues in nano-positioning. However, hysteresis existing in piezoelectric actuators severely reduces the positioning speed and accuracy. In order to address the hysteresis, a U-model based active disturbance rejection
Externí odkaz:
https://doaj.org/article/47b230e78a594dfc876751f18df720f6
Publikováno v:
IEEE Access, Vol 7, Pp 57633-57641 (2019)
This paper addresses the angle tracking and vibration suppression for a flexible manipulator with uncertain parameters. Based on the partial differential equation (PDE) model, a unified framework of weighted multiple neural network boundary control (
Externí odkaz:
https://doaj.org/article/ac8d58040c77429ca071d1eefb4ed217
Publikováno v:
IEEE Access, Vol 7, Pp 84929-84937 (2019)
This paper studies the tracking control problem for nonlinear system with largely jumping parameters. To deal with the large uncertainties of system parameters, an RBF networks-based weighted multi-model adaptive control (WMMAC) strategy is designed,
Externí odkaz:
https://doaj.org/article/94871f7377c145219c6ea9d16550fa31
Publikováno v:
IEEE Access, Vol 7, Pp 161088-161093 (2019)
In order to the make the magnetic field synchronous with the actual current in the current interruption experiment, an external excitation of axial magnetic field for intermediate-frequency vacuum arc experiment and research is designed and tested in
Externí odkaz:
https://doaj.org/article/5a35ad4c522e4c2087decd9f18c0b87a
Autor:
Weicun Zhang, Jiazhi Li
Publikováno v:
IEEE Access, Vol 7, Pp 144125-144133 (2019)
This paper presents a weighted multiple model adaptive control (WMMAC) scheme to deal with large parametric uncertainty of continuous-time plant. In this proposed scheme, each `local' controller is designed according to the mixed-μ-synthesis method
Externí odkaz:
https://doaj.org/article/44b0bdc19d8c4ae3b790bea9af9aecc9
Publikováno v:
Entropy, Vol 24, Iss 3, p 380 (2022)
Systems are naturally or purposely formed with functional components and connection structures [...]
Externí odkaz:
https://doaj.org/article/0e0c2869c5cc4d7d8fd4aec22559e163