The Application of Predictor Feedback in Designing a Preview Controller for Discrete-Time Systems with Input Delay

Fucheng Liao, Yonglong Liao and Jiamei Deng

Mathematical Problems in Engineering, 2016, vol. 2016, 1-10

Abstract:

This paper presents a method for designing a type one servomechanism for a discrete-time linear system with input delay subject to a previewable desired output and a nonmeasurable constant disturbance. The tracking problem of a delay system is transformed into a regulation problem of a delay-free system via constructing an augmented error system and a variable substitution. A controller is obtained with delay compensation and preview compensation based on preview control theory and the predictor method. When the state vector is not directly measurable, a full-dimensional observer is offered. The effectiveness of the design method is demonstrated by numerical simulations.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:3023915

DOI: 10.1155/2016/3023915

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