Output Feedback Asymptotic Tracking Control for Uncertain DC Motors

Liang, Xianglong; Yin, Luyue; Yao, Zhikai; Yao, Jianyong

doi:10.1007/s12555-022-0147-z

Int. J. Control Autom. Syst.

2023

DOI: 10.1007/s12555-022-0147-z

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Output Feedback Asymptotic Tracking Control for Uncertain DC Motors

Xianglong Liang

Luyue Yin

Zhikai Yao

et al.

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2024

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Adaptive command filter control for switched time‐delay systems with dead‐zone based on an exact disturbance observer

Zhu,

Li,

Liu

2024

Intl J Robust & Nonlinear

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The focus of this article lies in the adaptive command filter tracking control problems for a class of switched time‐delay systems with an asymmetric dead‐zone and external disturbance under arbitrary switching. First, the external disturbance is estimated via an exact disturbance observer. Then, an echo state network (ESN) was adopted to approximate unknown function in system without tuning the weights between a reservoir and an input layer. Second, the time‐varying input of the dead‐zone model is considered as uncertain physical quantity of the system based on the dead‐zone slope boundary information. Third, an adaptive command filtered controller is employed to conquer the matter of “explosion of complexity” encountered in the traditional backstepping method. The filtering errors present in a dynamic surface control (DSC) approach are effectively eliminated by means of error compensation signals. A prescribed performance control (PPC) is resorted to confine the system output to meet prescribed steady‐state and transient tracking performances. The time delay terms are compensated by a Lyapunov–Krasovskii functional. The semi‐globally ultimately uniformly boundedness of all states in the closed‐loop system is ensured by the Liapunov's stability criterion. Finally, the validity of the developed control scheme is further verified through a simulation example.

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Adaptive command filter control for switched time‐delay systems with dead‐zone based on an exact disturbance observer

Zhu,

Li,

Liu

2024

Intl J Robust & Nonlinear

View full text Add to dashboard Cite

show abstract

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Output Feedback Asymptotic Tracking Control for Uncertain DC Motors

Cited by 1 publication

References 32 publications

Adaptive command filter control for switched time‐delay systems with dead‐zone based on an exact disturbance observer

Adaptive command filter control for switched time‐delay systems with dead‐zone based on an exact disturbance observer

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