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|Title: ||Non-linear PID predictive controller|
|Authors: ||Chen, Wen-Hua|
Ballance, Donald J.
Gawthrop, Peter J.
Gribble, Jenny J.
|Keywords: ||Optimal Control|
Nonlinear Generalised Predictive Control
|Issue Date: ||1999|
|Publisher: ||© Institution of Electrical Engineers|
|Citation: ||CHEN, W-H. ...et al, 1999. Non-linear PID predictive controller. IEE Proceedings: control theory and applications, 146 (6), pp. 603-611|
|Abstract: ||A new class of nonlinear PID controllers are derived for nonlinear systems using a Nonlinear
Generalised Predictive Control (NGPC) approach. First the disturbance decoupling ability of
the nonlinear generalised predictive controller is discussed. For a nonlinear system where the
disturbance cannot be decoupled, a nonlinear observer is designed to estimate the offset. By
selecting the nonlinear gain function in the observer, it is shown that the closed-loop system
under optimal generalised predictive control with the nonlinear observer is asymptotically stable.
It is pointed out that this composite controller is equivalent to a nonlinear controller with integral
action. As a special case, for a nonlinear system with a low relative degree, the proposed
nonlinear controller reduces to a nonlinear PI or PID predictive controller, which consists of a
nonlinear PI or PID controller and a prediction controller. The design method is illustrated by
an example nonlinear mechanical system.|
|Description: ||This is a journal article. It was published in the journal, IEE proceedings: control theory and applications and is subject to Institution of Engineering and Technology copyright: http://www.ietdl.org/journals/doc/IEEDRL-home/info/support/copyinf.jsp. The definitive version of the paper is available at IET Digital Library.|
|Appears in Collections:||Published Articles (Aeronautical and Automotive Engineering)|
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