Preview tracking for discrete-time SISO systems

Author

Halpern, Mark E.

Author_Institution

Aeronaut. Res. Lab., Defence Sci. & Technol. Organ., Melbourne, Vic., Australia

Volume

39

Issue

3

fYear

1994

fDate

3/1/1994 12:00:00 AM

Firstpage

589

Lastpage

592

Abstract

The preview tracking problem, that is, the problem of tracking a reference input when a window of its future values is known, is considered. This is done by showing how the set of all admissible regulated outputs of a system is modified when preview is incorporated. This allows the mechanism by which preview allows performance improvement to be seen more clearly . It also allows preview control systems to be designed using the powerful optimization techniques available for this framework. To exemplify this, some analytical results for the minimum l₁, l₂ and l_∞ norms of the tracking error in response to a step reference are derived for a simple system with preview. A worked example of some optimal compensator designs is also presented

Keywords

compensation; discrete time systems; optimisation; predictive control; step response; discrete time SISO systems; optimal compensator; optimization; preview control systems; preview tracking; step response; tracking error; Aircraft; Control systems; Design optimization; Manipulators; Polynomials; Robots; Signal design; State-space methods; Transfer functions; Wiener filter;

fLanguage

English

Journal_Title

Automatic Control, IEEE Transactions on

Publisher

ieee

ISSN

0018-9286

Type

jour

DOI

10.1109/9.280766

Filename

280766