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Reduced-order implementation of disturbance observers for robust tracking of non-linear systems.
- Source :
-
IET Control Theory & Applications (Wiley-Blackwell) . 2014, Vol. 8 Issue 17, p1940-1948. 9p. - Publication Year :
- 2014
-
Abstract
- The disturbance-observer-based control (DOBC) is a well-known robust control scheme and recently its non-linear version has been developed. Observing that two components (so-called Q-filters) in the conventional DOBC structure have the same transfer function, the authors propose a reduced-order DOBC for uncertain non-linear systems. It is shown that the proposed controller also guarantees the same robust transient response as those developed before. Numerical simulations using a magnetic levitation system are included to illustrate the detailed design procedure and validate the performance of the proposed controller. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 17518644
- Volume :
- 8
- Issue :
- 17
- Database :
- Academic Search Index
- Journal :
- IET Control Theory & Applications (Wiley-Blackwell)
- Publication Type :
- Academic Journal
- Accession number :
- 99758063
- Full Text :
- https://doi.org/10.1049/iet-cta.2013.1036