Method for monitoring and analyzing a paper production process

Details Method for monitoring and analyzing a paper production process Method for monitoring and analyzing a paper production process

2007-02-20

2007-02-20

Paladini, Albert W. (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S108000, C702S182000, C162S198000

Reexamination Certificate

active

10530624

ABSTRACT:
The invention relates to a method for monitoring and analyzing a production process. In the method, a large number of variables are measured from the process, with the aid of these variables, fingerprints according to a good process situation, relative to runnability, are defined in several sub-processes and are then stored in a memory, the stored fingerprints are compared with fingerprints obtained in a normal process situation, on the basis of the comparison, an index of the difference, displayed graphically to the user, between the recorded good situation and the momentary process situation is defined, and a runnability index, depicting the runnability of the entire paper machine and a quality index depicting the quality of the paper produced, are formed from these indices.

REFERENCES:
patent: 3490689 (1970-01-01), Hart et al.
patent: 5825653 (1998-10-01), Huovila et al.
patent: 2002/0052712 (2002-05-01), Voser et al.
patent: 2003/0139904 (2003-07-01), Laitinen-Vellonen
patent: 01/75222 (2001-10-01), None
patent: 03/074784 (2001-12-01), None

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