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In this paper, an approximation-free funnel feedback controller is proposed for a class of nonlinear servomechanisms to achieve prescribed tracking error performance. An improved funnel function is proposed to guarantee the transient and asymptotic behavior of the tracking error within a given funnel boundary. The proposed funnel function removes the imposed assumption used in conventional funnel...
In this paper, a novel fast recursive dynamic sliding control method based on extended state observer is proposed for dual-motor servo system with backlash nonlinearity. The extended state observer is improved by introducing a new nonlinear function to avoid high-frequency oscillation and simplify the designing process. Then, a fast recursive dynamic sliding controller is designed, which can make...
This paper presents a dynamic Parzen window estimator in the MEE approach for supervised training of nonlinear adaptive system. By adjusting the Parzen window width dynamically so that the overall information force (OIF) among error-samples of each step is as large as possible, the training speed is accelerated and the error is reduced. The simulation result has proved the effectiveness and robustness...
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