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Step-Response Model Development for Dynamic Matrix Control of a Drum-Type Boiler-Turbine System
- Authors
- Moon, Un-Chul; Lee, Kwang. Y.
- Issue Date
- Jun-2009
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Boiler-turbine control; dynamic matrix control (DMC); power generation control; predictive control; process control
- Citation
- IEEE TRANSACTIONS ON ENERGY CONVERSION, v.24, no.2, pp 423 - 430
- Pages
- 8
- Journal Title
- IEEE TRANSACTIONS ON ENERGY CONVERSION
- Volume
- 24
- Number
- 2
- Start Page
- 423
- End Page
- 430
- ISSN
- 0885-8969
1558-0059
- Abstract
- 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.
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