Control-system synthesis for open-loop unstable process with time delay
Resource
Control Theory and Applications, IEE Proceedings-
Journal
Control Theory and Applications, IEE Proceedings-
Pages
-
Date Issued
1997-07
Date
1997-07
Author(s)
Huang, H.-P.
Chen, C.-C.
DOI
1350-2379
Abstract
To avoid performance limitations caused by an open-loop unstable pole, a three-element structure, which is equivalent to a two-degrees-of-freedom control design, is proposed to synthesise a control system for an open-loop unstable process with time delay. Through this proposed approach, control problems such as stabilising an unstable pole, servo-tracking and disturbance rejection can be treated independently. The resulting three-element structure can then be used to derive conventional two-degrees-of-freedom elements or conventional PID systems. Tuning rules for a PID controller are also provided. Examples are presented to illustrate the proposed method.
SDGs
Type
journal article
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