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

Patent ·
OSTI ID:1083781

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.

Research Organization:
NETL (National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV (United States))
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-07NT43094
Assignee:
General Electric Company (Niskayuna, NY)
Patent Number(s):
8,417,361
Application Number:
13/053,731
OSTI ID:
1083781
Country of Publication:
United States
Language:
English

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Model Predictive Control Algorithm for Prioritized Objective Inferential Control of Unmeasured States Using Propositional Logic journal May 2005