具有不匹配量化的非线性系统自适应滑模控制

doi:10.16180/j.cnki.issn1007-7820.2020.12.008

Abstract

Abstract:

This study aims to investigate the asymptotic stability problem of nonlinear systems. The encoder and decoder parameters of the quantizer may be mismatched, and the unmatched quantization parameters may further increase the complexity and difficulty of the controller design. In this paper, an adaptive sliding film control method is designed by establishing a time-varying proportional model of quantitative parameters, combining observer-based techniques and sliding mode control techniques. The proposed method completely eliminates the influence of mismatched quantization parameters, nonlinearity and external disturbance, and realizes the asymptotic stability of the closed-loop system and drives the state trajectory of systems to the sliding mode surface.Finally, the effectiveness of the control strategy is verified by simulation experiments.

Key words: asymptotic stability, nonlinear systems, mismatched quantization parameters, observer, sliding mode control, sliding mode surface

CLC Number:

TP13

ZHANG Lele,SU Qianmin. Adaptive Sliding Mode Control for Nonlinear Systems with Mismatched Quantization[J].Electronic Science and Technology, 2020, 33(12): 38-43.

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Adaptive Sliding Mode Control for Nonlinear Systems with Mismatched Quantization

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