CA2660414A1 - Apparatus and method for caliper profile break recovery in a paper machine - Google Patents
Apparatus and method for caliper profile break recovery in a paper machine Download PDFInfo
- Publication number
- CA2660414A1 CA2660414A1 CA002660414A CA2660414A CA2660414A1 CA 2660414 A1 CA2660414 A1 CA 2660414A1 CA 002660414 A CA002660414 A CA 002660414A CA 2660414 A CA2660414 A CA 2660414A CA 2660414 A1 CA2660414 A1 CA 2660414A1
- Authority
- CA
- Canada
- Prior art keywords
- mode
- setpoint changes
- actuators
- paper sheet
- operable
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000011084 recovery Methods 0.000 title description 40
- 238000004886 process control Methods 0.000 claims abstract description 33
- 238000004590 computer program Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims 2
- 230000008859 change Effects 0.000 description 8
- 238000009499 grossing Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000003491 array Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015654 memory Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
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
- D21F7/06—Indicating or regulating the thickness of the layer; Signal devices
-
- 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
- D21G9/0036—Paper-making control systems controlling the press or drying section
Landscapes
- Paper (AREA)
- Feedback Control In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/501,576 US7608169B2 (en) | 2006-08-09 | 2006-08-09 | Apparatus and method for break recovery in a paper machine or other system |
| US11/501,576 | 2006-08-09 | ||
| PCT/US2007/075138 WO2008019301A1 (en) | 2006-08-09 | 2007-08-03 | Apparatus and method for caliper profile break recovery in a paper machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2660414A1 true CA2660414A1 (en) | 2008-02-14 |
Family
ID=38657620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002660414A Abandoned CA2660414A1 (en) | 2006-08-09 | 2007-08-03 | Apparatus and method for caliper profile break recovery in a paper machine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7608169B2 (enExample) |
| EP (1) | EP2049730B1 (enExample) |
| JP (1) | JP2010500660A (enExample) |
| CA (1) | CA2660414A1 (enExample) |
| WO (1) | WO2008019301A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005061397A1 (de) * | 2005-12-22 | 2007-06-28 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Hybridfahrzeugs |
| US8862249B2 (en) | 2010-05-27 | 2014-10-14 | Honeywell Asca Inc. | Apparatus and method for modeling and control of cross-direction fiber orientation processes |
| US9481777B2 (en) | 2012-03-30 | 2016-11-01 | The Procter & Gamble Company | Method of dewatering in a continuous high internal phase emulsion foam forming process |
| US9309625B2 (en) | 2012-10-18 | 2016-04-12 | Honeywell Asca Inc. | Concept to separate wet end and dry end paper machine control through estimation of physical properties at the wire |
| US20150330022A1 (en) * | 2012-12-21 | 2015-11-19 | Valmet Automation Oy | Controller And Method For Controlling A Property Of An Object |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647796B2 (ja) * | 1988-07-29 | 1994-06-22 | 横河電機株式会社 | 紙厚プロフィル制御装置 |
| JPH063000B2 (ja) * | 1988-11-21 | 1994-01-12 | 横河電機株式会社 | プロフィル制御装置 |
| US5121332A (en) | 1989-03-31 | 1992-06-09 | Measurex Corporation | Control system for sheetmaking |
| US5583782A (en) | 1994-11-10 | 1996-12-10 | Measurex Devron Inc. | Caliper profile control system for paper machine providing reduced start up times |
| US5743177A (en) | 1996-02-29 | 1998-04-28 | Union Camp Corporation | Enhanced cross-directional caliper control system |
-
2006
- 2006-08-09 US US11/501,576 patent/US7608169B2/en active Active
-
2007
- 2007-08-03 JP JP2009523915A patent/JP2010500660A/ja active Pending
- 2007-08-03 WO PCT/US2007/075138 patent/WO2008019301A1/en not_active Ceased
- 2007-08-03 CA CA002660414A patent/CA2660414A1/en not_active Abandoned
- 2007-08-03 EP EP07799990.2A patent/EP2049730B1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US7608169B2 (en) | 2009-10-27 |
| JP2010500660A (ja) | 2010-01-07 |
| US20080039968A1 (en) | 2008-02-14 |
| WO2008019301A1 (en) | 2008-02-14 |
| EP2049730A1 (en) | 2009-04-22 |
| EP2049730B1 (en) | 2017-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |
Effective date: 20161003 |