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Robust internal model-based control for linear-time-invariant systems
DOI:10.1002/rnc.7643.png)
Abstract
En 中文
This article addresses robust output regulation for systems affected by disturbances generated by an uncertain exosystem as well as matched external disturbances. The robustness of the feedback loop is achieved by combining internal model based control with sliding mode control, resulting in a structurally simple controller. The design of the proposed controller is presented first for the full information problem, that is, the disturbances generated by the exosystem and the state-information is available for the control algorithm. This requirement is relaxed in the second step of the controller design, where the observer-based robust output feedback-loop structure is developed. Results from a comparative simulation study are presented to illustrate the advantages and the effectiveness of the proposed controller concept.
Keywords:
internal-model based control
model uncertainties
robust control
sliding mode control
time-varying disturbance
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