Method and apparatus for simulating and optimizing a plant model

Details Method and apparatus for simulating and optimizing a plant model Method and apparatus for simulating and optimizing a plant model

1997-10-01

2000-03-21

Grant, William

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

700 1, 700 2, 700 5, 700 60, 700 61, 700 62, 700121, 709213, G05B 1304, G05B 1302, G05B 1702

Patent

active

060412631

ABSTRACT:
The present invention is directed to a method for simulating and optimizing a plant model. The plant model having a multiplicity of equipment models for a desired processing plant and a multiplicity of local property models for the material components within the plant includes providing a set of initial values for each property model in a data storage area. A first set of coefficients in each property model is determined. A set of equations representing the equipment models and property models, wherein the property models having a complementarity formulation, are executed simultaneously by the digital processor by using the first set of coefficients to determine a second set of coefficients in each property model. The second set of coefficients are stored in the data storage area. The set of equations representing the equipment models and property models are executed simultaneously by the digital processor by utilizing the second set of coefficients from the data storage area to determine values of the processing plant model. The determined values of the processing plant model are stored in the data storage area. The method can also be used for simulating a dynamic plant model.

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patent: 5757678 (1998-05-01), Leeke

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