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

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2 Author(s)
Un-Chul Moon ; Sch. of Electr. & Electron. Eng., Chung-Ang Univ., Seoul ; Lee, K.Y.

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.

Published in:

Energy Conversion, IEEE Transactions on  (Volume:24 ,  Issue: 2 )