The δ discrete model parametrization of a steam drum boiler system

Authors:
Cristina Halaucǎ;Corneliu Lazǎr
Affiliations:
University of Iasi, Iasi, Romania;University of Iasi, Iasi, Romania
Venue:
MIC '08 Proceedings of the 27th IASTED International Conference on Modelling, Identification and Control
Year:
2008

Citing 4
Cited 0

Rapprochement between continuous and discrete model reference adaptive control

Automatica (Journal of IFAC)
Analysis of fast-sampled non-linear systems: generalised frequency response functions for δ-operator models

Signal Processing - Special section: Distributed source coding
Predictive control of fast-sampled systems using the delta-operator

International Journal of Systems Science
Drum-boiler dynamics

Automatica (Journal of IFAC)

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Abstract

The paper presents a nonlinear model built by physical principles and a δ discrete liniarized model for steam generation systems. These types of systems are a crucial part of most power plants. A simulator based on the nonlinear model is obtained by using real technical data from a steam boiler being in use at Power Station of Iaşi. A δ-ARX model is applied to the identification for the steam drum boiler system. A comparison is made with the standard shift operator model, using datasets provided by the simulator. The δ domain drum boiler model is derived in order to be of interest in control design. The two models were also validated using data from tests carried out on the actual plant.