CA2379228A1 - Method of estimating unknown or imprecisely known variables in a paper making process - Google Patents

Method of estimating unknown or imprecisely known variables in a paper making process Download PDF

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Publication number
CA2379228A1
CA2379228A1 CA002379228A CA2379228A CA2379228A1 CA 2379228 A1 CA2379228 A1 CA 2379228A1 CA 002379228 A CA002379228 A CA 002379228A CA 2379228 A CA2379228 A CA 2379228A CA 2379228 A1 CA2379228 A1 CA 2379228A1
Authority
CA
Canada
Prior art keywords
variable
measured
headbox
unknown
reference variable
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002379228A
Other languages
English (en)
French (fr)
Inventor
John Shakespeare
Jari Hamalainen
Petri Nyberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metso Paper Automation Oy
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2379228A1 publication Critical patent/CA2379228A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Paper (AREA)
CA002379228A 1999-07-15 2000-07-14 Method of estimating unknown or imprecisely known variables in a paper making process Abandoned CA2379228A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35388499A 1999-07-15 1999-07-15
US09/353,884 1999-07-15
PCT/FI2000/000648 WO2001006056A1 (en) 1999-07-15 2000-07-14 Method of estimating unknown or imprecisely known variables in a paper making process

Publications (1)

Publication Number Publication Date
CA2379228A1 true CA2379228A1 (en) 2001-01-25

Family

ID=23391006

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002379228A Abandoned CA2379228A1 (en) 1999-07-15 2000-07-14 Method of estimating unknown or imprecisely known variables in a paper making process

Country Status (6)

Country Link
AT (1) AT410846B (de)
AU (1) AU6284000A (de)
CA (1) CA2379228A1 (de)
DE (1) DE10084794T1 (de)
FI (1) FI20020068L (de)
WO (1) WO2001006056A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7799170B2 (en) 2004-03-11 2010-09-21 Metso Paper, Inc. Method and device in a paper or board machine line for straining paper
JP4913510B2 (ja) 2006-09-05 2012-04-11 横河電機株式会社 シミュレーション方法、繊維配向制御方法、及び繊維配向制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812404A (en) * 1996-04-18 1998-09-22 Valmet Corporation Method for overall regulation of the headbox of a paper machine or equivalent

Also Published As

Publication number Publication date
AU6284000A (en) 2001-02-05
AT410846B (de) 2003-08-25
ATA91232000A (de) 2002-12-15
FI20020068A7 (fi) 2002-01-14
FI20020068L (fi) 2002-01-14
WO2001006056A1 (en) 2001-01-25
DE10084794T1 (de) 2002-09-05

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Legal Events

Date Code Title Description
FZDE Discontinued