CA2564391A1 - Nip press sensing system including a sensor strip having sensor interface electronics associated therewith and methods of operating the same - Google Patents
Nip press sensing system including a sensor strip having sensor interface electronics associated therewith and methods of operating the same Download PDFInfo
- Publication number
- CA2564391A1 CA2564391A1 CA002564391A CA2564391A CA2564391A1 CA 2564391 A1 CA2564391 A1 CA 2564391A1 CA 002564391 A CA002564391 A CA 002564391A CA 2564391 A CA2564391 A CA 2564391A CA 2564391 A1 CA2564391 A1 CA 2564391A1
- Authority
- CA
- Canada
- Prior art keywords
- sensor
- strip
- multiplexer circuits
- signals
- multiplexer
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/06—Means for regulating the pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
- G01L5/0076—Force sensors associated with manufacturing machines
- G01L5/0085—Force sensors adapted for insertion between cooperating machine elements, e.g. for measuring the nip force between rollers
Abstract
According to some embodiments of the present invention, a system for determining characteristics of two rolls configured in a nip press includes a strip configured to be placed in the nip press. A plurality of sensors embedded in the strip is configured to generate signals representative of th e pressure and/or the nip width between the two rolls. Interface circuitry facilitates addressing of individual ones of the plurality of sensors via a data processing system.
Claims (35)
1. A system for determining characteristics of two rolls configured in a nip press, comprising:
a strip configured to be placed in the nip press;
a plurality of sensors embedded in the strip that is configured to generate signals representative of the pressure and/or the nip width between the two rolls; and interface circuitry that facilitates addressing of individual ones of the plurality of sensors via a data processing system.
a strip configured to be placed in the nip press;
a plurality of sensors embedded in the strip that is configured to generate signals representative of the pressure and/or the nip width between the two rolls; and interface circuitry that facilitates addressing of individual ones of the plurality of sensors via a data processing system.
2. The system of Claim 1, wherein the interface circuitry is embedded in the strip.
3. The system of Claim 1, wherein the interface circuitry is attached to the strip.
4. The system of Claim 1, wherein the plurality of sensors is configured in a plurality of sensor banks, and wherein the interface circuitry comprises:
a plurality of multiplexer circuits respectively coupled to the plurality of sensor banks, each of the multiplexer circuits being responsive to a sensor address to select the output signal of one sensor contained on the respective sensor bank coupled thereto.
a plurality of multiplexer circuits respectively coupled to the plurality of sensor banks, each of the multiplexer circuits being responsive to a sensor address to select the output signal of one sensor contained on the respective sensor bank coupled thereto.
5. The system of Claim 4, further comprising:
a bank selection circuit that is coupled to the plurality of multiplexer circuits and is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
a bank selection circuit that is coupled to the plurality of multiplexer circuits and is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
6. The system of Claim 4, further comprising:
a plurality of processors respectively coupled to the plurality of multiplexer circuits that is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
a plurality of processors respectively coupled to the plurality of multiplexer circuits that is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
7. The system of Claim 4, further comprising:
a plurality of processors respectively coupled to the plurality of multiplexer circuits that is responsive to a multiplexer selection address to enable the plurality of multiplexer circuits in parallel.
a plurality of processors respectively coupled to the plurality of multiplexer circuits that is responsive to a multiplexer selection address to enable the plurality of multiplexer circuits in parallel.
8. The system of Claim 1, further comprising:
a data processing system configured to process the signals and calculate values representative of the signals.
a data processing system configured to process the signals and calculate values representative of the signals.
9. The system of Claim 8, further comprising:
a display coupled to the data processing system that is configured to provide a visual representation of the values.
a display coupled to the data processing system that is configured to provide a visual representation of the values.
10. The system of Claim 8, wherein the data processing system is configured to calculate measurements of nip width based on the signals.
11. The system of Claim 10, wherein the data processing system is configured to calculate measurements of nip width based on the signals at predetermined times.
12. The system of Claim 8, further comprising:
a wireless transmitter that is configured to communicate the signals to the data processing system.
a wireless transmitter that is configured to communicate the signals to the data processing system.
13. The system of Claim 12, wherein the plurality of sensors is configured in a plurality of sensor banks, the system further comprising:
a plurality of wireless transmitters associated with the plurality of sensor banks, respectively.
a plurality of wireless transmitters associated with the plurality of sensor banks, respectively.
14. The system of Claim 1, further comprising:
a control system that is communicatively coupled to the plurality of sensors and is configured to initiate corrective measures for the nip press responsive to the signals.
a control system that is communicatively coupled to the plurality of sensors and is configured to initiate corrective measures for the nip press responsive to the signals.
15. The system of Claim 1, wherein the plurality of sensors embedded in the strip that are configured to generate signals that provide a substantially continuous representation of the pressure and/or the nip width along a length of the two rolls.
16. The system of Claim 1, further comprising:
at least one temperature sensor associated with the plurality of sensors.
at least one temperature sensor associated with the plurality of sensors.
17. A method for determining characteristics of two rolls configured in a nip press, comprising:
placing a strip in the nip press, the strip comprising a plurality of sensors embedded in the strip that is configured to generate signals representative of the pressure and/or the nip width between the two rolls and interface circuitry that facilitates addressing of individual ones of the plurality of sensors via a data processing system; and using the data processing system to determine characteristics of the two rolls based on the signals.
placing a strip in the nip press, the strip comprising a plurality of sensors embedded in the strip that is configured to generate signals representative of the pressure and/or the nip width between the two rolls and interface circuitry that facilitates addressing of individual ones of the plurality of sensors via a data processing system; and using the data processing system to determine characteristics of the two rolls based on the signals.
18. The method of Claim 17, wherein the interface circuitry is embedded in the strip.
19. The method of Claim 17, wherein the interface circuitry is attached to the strip.
20. The method of Claim 17, wherein the plurality of sensors is configured in a plurality of sensor banks, and wherein the interface circuitry comprises a plurality of multiplexer circuits respectively coupled to the plurality of sensor bans and a bank selection circuit that is coupled to the plurality of multiplexer circuits, the method further comprising:
enabling one of the plurality of multiplexer circuits using the bank selection circuit responsive to a multiplexer selection address; and selecting the output signal of one sensor contained on the sensor bank coupled to the enabled one of the plurality of multiplexer circuits responsive to a sensor address.
enabling one of the plurality of multiplexer circuits using the bank selection circuit responsive to a multiplexer selection address; and selecting the output signal of one sensor contained on the sensor bank coupled to the enabled one of the plurality of multiplexer circuits responsive to a sensor address.
21. The method of Claim 17, wherein the plurality of sensors is configured in a plurality of sensor banks, and wherein the interface circuitry comprises a plurality of multiplexer circuits respectively coupled to the plurality of sensor bans and a plurality of processors respectively coupled to the plurality of multiplexer circuits, the method further comprising:
enabling one of the plurality of multiplexer circuits using one of the plurality of processors responsive to a multiplexer selection address; and selecting the output signal of one sensor contained on the sensor bank coupled to the enabled one of the plurality of multiplexer circuits responsive to a sensor address.
enabling one of the plurality of multiplexer circuits using one of the plurality of processors responsive to a multiplexer selection address; and selecting the output signal of one sensor contained on the sensor bank coupled to the enabled one of the plurality of multiplexer circuits responsive to a sensor address.
22. The method of Claim 17, wherein the plurality of sensors is configured in a plurality of sensor banks, and wherein the interface circuitry comprises a plurality of multiplexer circuits respectively coupled to the plurality of sensor bans and a plurality of processors respectively coupled to the plurality of multiplexer circuits, the method further comprising:
enabling the plurality of multiplexer circuits in parallel using the plurality of processors responsive to a multiplexer selection address; and selecting the output signals of sensors contained on the sensor banks sensor addresses.
enabling the plurality of multiplexer circuits in parallel using the plurality of processors responsive to a multiplexer selection address; and selecting the output signals of sensors contained on the sensor banks sensor addresses.
23. The method of Claim 17, further comprising:
calculating values representative of the signals using a data processing system.
calculating values representative of the signals using a data processing system.
24. The method of Claim 23, further comprising:
displaying a visual representation of the values.
displaying a visual representation of the values.
25. The method of Claim 23, further comprising:
calculating measurements of nip width based on the signals.
calculating measurements of nip width based on the signals.
26. The method of Claim 25, further comprising:
calculating measurements of nip width based on the signals at predetermined times.
calculating measurements of nip width based on the signals at predetermined times.
27. The method of Claim 23, further comprising:
wirelessly communicating the signals to the data processing system.
wirelessly communicating the signals to the data processing system.
28. The method of Claim 17, further comprising:
initiating corrective measures for the nip press responsive to the signals.
initiating corrective measures for the nip press responsive to the signals.
29. The method of Claim 17, further comprising:
generating signals that provide a substantially continuous representation of the pressure and/or the nip width along a length of the two rolls.
generating signals that provide a substantially continuous representation of the pressure and/or the nip width along a length of the two rolls.
30. A strip for use in a nip press between two rolls, comprising:
a plurality of sensors embedded in the strip that is configured to generate signals representative of the pressure and/or the nip width between the two rolls; and interface circuitry that facilitates addressing of individual ones of the plurality of sensors via a data processing system.
a plurality of sensors embedded in the strip that is configured to generate signals representative of the pressure and/or the nip width between the two rolls; and interface circuitry that facilitates addressing of individual ones of the plurality of sensors via a data processing system.
31. The strip of Claim 30, wherein the interface circuitry is embedded in the strip.
32. The strip of Claim 30, wherein the interface circuitry is attached to the strip.
33. The strip of Claim 30, wherein the plurality of sensors is configured in a plurality of sensor banks, and wherein the interface circuitry comprises:
a plurality of multiplexer circuits respectively coupled to the plurality of sensor banks, each of the multiplexer circuits being responsive to a sensor address to select the output signal of one sensor contained on the respective sensor bank coupled thereto.
a plurality of multiplexer circuits respectively coupled to the plurality of sensor banks, each of the multiplexer circuits being responsive to a sensor address to select the output signal of one sensor contained on the respective sensor bank coupled thereto.
34. The strip of Claim 33, further comprising:
a bank selection circuit that is coupled to the plurality of multiplexer circuits and is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
a bank selection circuit that is coupled to the plurality of multiplexer circuits and is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
35. The strip of Claim 33, further comprising:
a plurality of processors respectively coupled to the plurality of multiplexer circuits that is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
a plurality of processors respectively coupled to the plurality of multiplexer circuits that is responsive to a multiplexer selection address to selectively enable one of the plurality of multiplexer circuits.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57117404P | 2004-05-14 | 2004-05-14 | |
| US60/571,174 | 2004-05-14 | ||
| PCT/US2005/016841 WO2005113892A1 (en) | 2004-05-14 | 2005-05-13 | Nip press sensing system including a sensor strip having sensor interface electronics associated therewith and methods of operating the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2564391A1 true CA2564391A1 (en) | 2005-12-01 |
| CA2564391C CA2564391C (en) | 2011-12-13 |
Family
ID=34969569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2564391A Active CA2564391C (en) | 2004-05-14 | 2005-05-13 | Nip press sensing system including a sensor strip having sensor interface electronics associated therewith and methods of operating the same |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7305894B2 (en) |
| EP (1) | EP1753911B1 (en) |
| AU (1) | AU2005245883A1 (en) |
| BR (1) | BRPI0511017A (en) |
| CA (1) | CA2564391C (en) |
| MX (1) | MXPA06013172A (en) |
| NO (1) | NO20065798L (en) |
| WO (1) | WO2005113892A1 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7907858B2 (en) * | 2009-02-02 | 2011-03-15 | Xerox Corporation | Method and apparatus for automatically adjusting nip width based on a scanned nip print in an image production device |
| US8236141B2 (en) * | 2009-06-23 | 2012-08-07 | Stowe Woodward, L.L.C. | Industrial roll with sensors having conformable conductive sheets |
| DE102012203035A1 (en) * | 2012-02-28 | 2013-08-29 | Voith Patent Gmbh | Machine for producing a fibrous web |
| TW201404606A (en) * | 2012-07-31 | 2014-02-01 | Hon Hai Prec Ind Co Ltd | Testing apparatus for pinch roller |
| DE102012224122A1 (en) | 2012-12-21 | 2014-06-26 | Voith Patent Gmbh | Device for acquiring measured values in a nip |
| US9540769B2 (en) | 2013-03-11 | 2017-01-10 | International Paper Company | Method and apparatus for measuring and removing rotational variability from a nip pressure profile of a covered roll of a nip press |
| US9804044B2 (en) * | 2014-05-02 | 2017-10-31 | International Paper Company | Method and system associated with a sensing roll and a mating roll for collecting data including first and second sensor arrays |
| US10378980B2 (en) | 2014-05-02 | 2019-08-13 | International Paper Company | Method and system associated with a sensing roll and a mating roll for collecting roll data |
| US9797788B2 (en) | 2014-05-02 | 2017-10-24 | International Paper Company | Method and system associated with a sensing roll including pluralities of sensors and a mating roll for collecting roll data |
| US9863827B2 (en) | 2015-06-10 | 2018-01-09 | International Paper Company | Monitoring machine wires and felts |
| US10370795B2 (en) | 2015-06-10 | 2019-08-06 | International Paper Company | Monitoring applicator rods and applicator rod nips |
| US9534970B1 (en) | 2015-06-10 | 2017-01-03 | International Paper Company | Monitoring oscillating components |
| US9816232B2 (en) | 2015-06-10 | 2017-11-14 | International Paper Company | Monitoring upstream machine wires and felts |
| US9677225B2 (en) | 2015-06-10 | 2017-06-13 | International Paper Company | Monitoring applicator rods |
| US9696226B2 (en) | 2015-06-10 | 2017-07-04 | International Paper Company | Count-based monitoring machine wires and felts |
| TWI620703B (en) * | 2016-07-25 | 2018-04-11 | 財團法人工業技術研究院 | Roller with pressure sensor and r to r device |
| US11879918B2 (en) | 2022-02-16 | 2024-01-23 | Stowe Woodward Licensco Llc | Methods, devices, and systems for nip calibration |
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| US3738487A (en) * | 1971-11-03 | 1973-06-12 | Varian Adco | Random document locator |
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| US4963702A (en) | 1989-02-09 | 1990-10-16 | Interlink Electronics, Inc. | Digitizer pad featuring spacial definition of a pressure contact area |
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-
2005
- 2005-05-13 EP EP05748231A patent/EP1753911B1/en active Active
- 2005-05-13 WO PCT/US2005/016841 patent/WO2005113892A1/en not_active Application Discontinuation
- 2005-05-13 AU AU2005245883A patent/AU2005245883A1/en not_active Abandoned
- 2005-05-13 US US11/128,642 patent/US7305894B2/en active Active
- 2005-05-13 BR BRPI0511017-3A patent/BRPI0511017A/en active Search and Examination
- 2005-05-13 CA CA2564391A patent/CA2564391C/en active Active
- 2005-05-13 MX MXPA06013172A patent/MXPA06013172A/en active IP Right Grant
-
2006
- 2006-12-14 NO NO20065798A patent/NO20065798L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2005245883A1 (en) | 2005-12-01 |
| CA2564391C (en) | 2011-12-13 |
| US20060020418A1 (en) | 2006-01-26 |
| EP1753911B1 (en) | 2013-01-09 |
| US7305894B2 (en) | 2007-12-11 |
| BRPI0511017A (en) | 2007-11-27 |
| MXPA06013172A (en) | 2007-02-13 |
| NO20065798L (en) | 2006-12-14 |
| EP1753911A1 (en) | 2007-02-21 |
| WO2005113892A1 (en) | 2005-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |