Step-Response Model Development for Dynamic Matrix Control of a Drum-Type Boiler-Turbine System

This paper presents the application of dynamic matrix control (DMC) to a drum-type boiler-turbine system. Two types of step-response models for DMC are investigated in designing the DMC; one is developed with the linearization of the nonlinear plant model and the other is developed with the process...

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Bibliographic Details
Published in:IEEE transactions on energy conversion 2009-06, Vol.24 (2), p.423-430
Main Authors: Un-Chul Moon, Lee, K.Y.
Format: Article
Language:English
Subjects:
Boiler-turbine control
Boilers
Control systems
dynamic matrix control (DMC)
Moon
Nonlinear dynamical systems
Power engineering and energy
Power generation
power generation control
Power system modeling
Predictive control
Process control
Sampling methods
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Summary:This paper presents the application of dynamic matrix control (DMC) to a drum-type boiler-turbine system. Two types of step-response models for DMC are investigated in designing the DMC; one is developed with the linearization of the nonlinear plant model and the other is developed with the process step-response data. Then, the control performances of the DMC based on both types of models are evaluated. Because of severe nonlinearity of drum water-level dynamics, it is observed that the simulation with the step-response model based on the test data shows satisfactory results, while the linearized model is not suitable for controller design of the drum-type boiler-turbine system.
ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2009.2015986