Adaptive Control Design for Unknown System with Nonlinear Perturbed Dead-Zone

J Na, G Herrmann, X Ren

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    Adaptive control design is studied for a class of unknown systems with a nonlinear perturbed dead-zone input. The nonlinear dead-zone can be represented as a time-varying system with a disturbance-like term. An adaptive controller is first constructed using functions acting as the upper bounds of the nonlinear dynamics, which are not dependent on the dead-zone parameters. Time-varying delays are also dealt with while the construction of inverse dead-zone model is not required. Moreover, a neural controller is further proposed using a neural network with only a scalar weight parameter, such that the requirement on the bounds functions can be relaxed. The effectiveness of the developed approaches is illustrated by simulations.
    Original languageEnglish
    Title of host publicationProceedings of the 29th Chinese Control Conference
    Publication statusPublished - 2010

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