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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A control system for optimizing a chemical looping ("CL") plant includes a reduced order mathematical model ("ROM") that is designed by eliminating mathematical terms that have minimal effect on the outcome. A non-linear optimizer provides various inputs to the ROM and monitors the outputs to determine the optimum inputs that are then provided to the CL plant. An estimator estimates the values of various internal state variables of the CL plant. The system has one structure adapted to control a CL plant that only provides pressure measurements in the CL loops A and B, a second structure adapted to a CL plant that provides pressure measurements and solid levels in both loops A, and B, and a third structure adapted to control a CL plant that provides full information on internal state variables. A final structure provides a neural network NMPC controller to control operation of loops A and B.
JOSHI, Abhinaya (Glastonbury, CT), Lei, Hao (Mason, OH), Lou, Xinsheng (West Hartford, CT)
13/ 946,115
July 19, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0006] The United States Government has certain rights in this invention pursuant to Department of Energy Contract No. DE-FC26-07 NT 43095.