FI20065628L - Method and apparatus for analyzing and adjusting the manufacturing process of a web-like substance - Google Patents

Method and apparatus for analyzing and adjusting the manufacturing process of a web-like substance Download PDF

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Publication number
FI20065628L
FI20065628L FI20065628A FI20065628A FI20065628L FI 20065628 L FI20065628 L FI 20065628L FI 20065628 A FI20065628 A FI 20065628A FI 20065628 A FI20065628 A FI 20065628A FI 20065628 L FI20065628 L FI 20065628L
Authority
FI
Finland
Prior art keywords
web
manufacturing process
analyzing
substance
adjusting
Prior art date
Application number
FI20065628A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20065628A0 (en
Inventor
Mika Suojaervi
Original Assignee
Savcor Wedge Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Savcor Wedge Oy filed Critical Savcor Wedge Oy
Priority to FI20065628A priority Critical patent/FI20065628L/en
Publication of FI20065628A0 publication Critical patent/FI20065628A0/en
Priority to PCT/FI2007/050524 priority patent/WO2008040845A1/en
Publication of FI20065628L publication Critical patent/FI20065628L/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/15—Correlation function computation including computation of convolution operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Software Systems (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Algebra (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Automation & Control Theory (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The present publication discloses a method and an apparatus for analysing and controlling the manufacturing process of a web- like material. According to the method several variables (3) of the manufacturing process are measured and the data recorded in a time plane, cross-direction profile information (2) is measured in the final stage of the process from the web and the data recorded in the time plane. According to the invention the cross- direction profile information (2) is processed by computational methods using several modelling methods of different orders, the reasons for profile deviations are sought by searching for correlations with other measurement information on the process, and when a correlation is found with some other measurement variable, the process is controlled on the basis of the measurement result.
FI20065628A 2006-10-03 2006-10-03 Method and apparatus for analyzing and adjusting the manufacturing process of a web-like substance FI20065628L (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20065628A FI20065628L (en) 2006-10-03 2006-10-03 Method and apparatus for analyzing and adjusting the manufacturing process of a web-like substance
PCT/FI2007/050524 WO2008040845A1 (en) 2006-10-03 2007-09-27 Method and apparatus for analysing and controlling the manufacturing process of a web-like material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20065628A FI20065628L (en) 2006-10-03 2006-10-03 Method and apparatus for analyzing and adjusting the manufacturing process of a web-like substance

Publications (2)

Publication Number Publication Date
FI20065628A0 FI20065628A0 (en) 2006-10-03
FI20065628L true FI20065628L (en) 2008-04-04

Family

ID=37232235

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20065628A FI20065628L (en) 2006-10-03 2006-10-03 Method and apparatus for analyzing and adjusting the manufacturing process of a web-like substance

Country Status (2)

Country Link
FI (1) FI20065628L (en)
WO (1) WO2008040845A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9733626B2 (en) 2011-07-11 2017-08-15 Valmet Automation Oy Method of monitoring an industrial process
EP2791745B1 (en) 2011-12-15 2020-09-09 Valmet Automation Oy A method of operating a process or machine
FI20165144A (en) * 2016-02-25 2017-08-26 Valmet Technologies Oy Method, system and computer program product for monitoring the fitness of a fiber web or finishing machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI94066C (en) * 1994-05-16 1995-07-10 Valmet Paper Machinery Inc Comprehensive management system for the various cross-section profiles of a paper web produced on a web material making machine such as a board or paper machine and / or a finishing machine
WO1997039182A1 (en) * 1996-04-18 1997-10-23 Valmet Corporation Method for overall regulation of the headbox and/or the former of a paper machine or equivalent
FI116075B (en) * 1998-02-23 2005-09-15 Metso Paper Inc Paper machine control system

Also Published As

Publication number Publication date
WO2008040845A1 (en) 2008-04-10
FI20065628A0 (en) 2006-10-03

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Owner name: SAVCOR WEDGE OY

Free format text: SAVCOR WEDGE OY