Application of DMC Algorithm on pH Control of WFGD System

Shan Shan Guo; Ze Dong

doi:10.4028/www.scientific.net/AMM.568-570.1090

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 568-570Application of DMC Algorithm on pH Control of WFGD...

Application of DMC Algorithm on pH Control of WFGD System

Abstract:

The paper studies on wet flue gas desulfurization process and the factors of affecting the desulfurization efficiency, and analyses the control system of the absorber slurry pH value. The conventional PID control is difficult to achieve satisfactory control effect, so it puts forward the predictive control scheme based on Dynamic Matrix Control (DMC) algorithm to identify and control the change of pH value. Simulation results show that under the control of DMC algorithm, the slurry pH value has a good tracking for setting input and its changes , reflecting a high degree of adaptability. The control with low overshoot and good accuracy is better than conventional PID control and meets the requirements of real-time control.

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Periodical:

Applied Mechanics and Materials (Volumes 568-570)

Pages:

1090-1094

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.568-570.1090

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Online since:

June 2014

Authors:

Shan Shan Guo, Ze Dong

Keywords:

DMC Algorithm, pH Value, Wet Flue Gas Desulfurization

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