NDLI: Interval Observer Design Based on Taylor Models for Nonlinear Uncertain Continuous-Time Systems

Content Provider	IEEE Xplore Digital Library
Author	Kletting, M. Rauh, A. Hofer, E.P. Aschemann, H.
Copyright Year	2006
Description	Author affiliation: Univ. of Ulm, Ulm (Kletting, M.; Rauh, A.; Hofer, E.P.)
Abstract	In most applications in control engineering not all state variables can be measured. Consequently, state estimation is performed to reconstruct the non-measurable states taking into account both system dynamics and the measurement model. If the system is subject to interval bounded uncertainties, an interval observer provides a guaranteed estimation of all states. The estimation consists of a recursive application of prediction and correction steps. The prediction step corresponds to a verified integration of the system model describing the system dynamics between two points of time at which measured data is available. In this paper, a Taylor model based integrator is used. Considering the state enclosures obtained in the prediction step, the correction step reconstructs states and parameters from the uncertain measurements with the help of a measurement model. The enclosures of states and parameters determined by the interval observer are consistent with both system and measurement models as well as all uncertainties.
Starting Page	25
Ending Page	25
File Size	400489
Page Count	1
File Format	PDF
DOI	10.1109/SCAN.2006.26
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-26
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control engineering Mechatronics Cooperative systems Observers Predictive models Nonlinear control systems Time measurement State estimation Power system modeling Equations
Content Type	Text
Resource Type	Article

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