Nonlinear model predictive control for chemical looping process

Joshi, Abhinaya; Lei, Hao; Lou, Xinsheng

Title: Nonlinear model predictive control for chemical looping process

Patent · Tue Aug 22 00:00:00 EDT 2017

OSTI ID:1375942

Joshi, Abhinaya; Lei, Hao; Lou, Xinsheng

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.

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Research Organization:: GENERAL ELECTRIC TECHNOLOGY GMBH, Baden, CH (Switzerland)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-07NT43095

Assignee:: GENERAL ELECTRIC TECHNOLOGY GMBH

Patent Number(s):: 9,740,214

Application Number:: 13/946,115

OSTI ID:: 1375942

Resource Relation:: Patent File Date: 2013 Jul 19

Country of Publication:: United States

Language:: English

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