The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 27, 2019

Filed:

Aug. 15, 2011
Applicants:

Shrikant Bhat, Nagpur, IN;

Babji Buddhi Srinivasa, Bangalore, IN;

Prasanna Pathath, Bangalore, IN;

Inventors:

Shrikant Bhat, Nagpur, IN;

Babji Buddhi Srinivasa, Bangalore, IN;

Prasanna Pathath, Bangalore, IN;

Assignee:

ABB Schweiz AG, Baden, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 13/04 (2006.01); G05B 13/02 (2006.01); D21C 7/12 (2006.01); D21C 7/00 (2006.01);
U.S. Cl.
CPC ...
D21C 7/12 (2013.01); D21C 7/00 (2013.01); G05B 13/0265 (2013.01); G05B 13/042 (2013.01);
Abstract

A method is disclosed for optimization of continuous digestion process. Exemplary embodiments can control a delignification process in a continuous pulp digester in an optimal way for different pulp grades taking into account process disturbances and model uncertainties. This can be achieved by customizing a generic mathematical model for a continuous digestion process which runs through a software application on a dedicated electronic device. The model can be updated periodically based on on-line information, and used with a plant optimization component involving multi-objective optimization to evaluate optimal set points for the controllers. A system is also disclosed for optimizing control of a continuous pulp digester.


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