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Model predictive control system and method for integrated gasification combined cycle power generation

United States Patent

April 9, 2013
View the Complete Patent at the US Patent & Trademark Office
Control system and method for controlling an integrated gasification combined cycle (IGCC) plant are provided. The system may include a controller coupled to a dynamic model of the plant to process a prediction of plant performance and determine a control strategy for the IGCC plant over a time horizon subject to plant constraints. The control strategy may include control functionality to meet a tracking objective and control functionality to meet an optimization objective. The control strategy may be configured to prioritize the tracking objective over the optimization objective based on a coordinate transformation, such as an orthogonal or quasi-orthogonal projection. A plurality of plant control knobs may be set in accordance with the control strategy to generate a sequence of coordinated multivariable control inputs to meet the tracking objective and the optimization objective subject to the prioritization resulting from the coordinate transformation.
Kumar; Aditya (Niskayuna, NY), Shi; Ruijie (Niskayuna, NY), Kumar; Rajeeva (Niskayuna, NY), Dokucu; Mustafa (Niskayuna, NY)
General Electric Company (Niskayuna, NY)
13/ 053,731
March 22, 2011
STATEMENT REGARDING FEDERALLY SPONSORED DEVELOPMENT This invention was made with government support under Contract No. DE-FC26-07NT43094, awarded by the United States Department of Energy. Accordingly, the United States Government may have certain rights in this invention.