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Non-linear generalized minimum variance feedback, feedforward and tracking control

Grimble, M.J. (2005) Non-linear generalized minimum variance feedback, feedforward and tracking control. Automatica, 41 (6). pp. 957-969. ISSN 0005-1098

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Abstract

A generalized minimum variance control law is derived for the control of nonlinear, possibly time-varying, multi-variable systems. The solution for the tracking and feedback/feedforward control law was obtained in the time-domain using a nonlinear operator representation of the process. The cost index involves both error and control signal costing terms and is normally quadratic but may also involve nonlinear functions. The feedback controller obtained is simple to implement and includes an internal model of the process. The tracking controller can include future reference change information, providing a predictive control capability. In one form the compensator might be considered a nonlinear version of the Smith Predictor that has feedforward action.

Item type: Article
ID code: 3564
Keywords: internal model principle, time domain method, minimal variance, predictive control, control program, multivariable system, Electrical engineering. Electronics Nuclear engineering, Control and Systems Engineering, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 13 Jun 2007
    Last modified: 04 Sep 2014 13:01
    URI: http://strathprints.strath.ac.uk/id/eprint/3564

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