SE0100697D0 - A method and a device for improving the signal to noise ratio - Google Patents

A method and a device for improving the signal to noise ratio

Info

Publication number
SE0100697D0
SE0100697D0 SE0100697A SE0100697A SE0100697D0 SE 0100697 D0 SE0100697 D0 SE 0100697D0 SE 0100697 A SE0100697 A SE 0100697A SE 0100697 A SE0100697 A SE 0100697A SE 0100697 D0 SE0100697 D0 SE 0100697D0
Authority
SE
Sweden
Prior art keywords
signal
measuring
improving
strip
noise ratio
Prior art date
Application number
SE0100697A
Other languages
Swedish (sv)
Inventor
Kenneth Grefve
Joergen Bosson
Original Assignee
Abb Ab
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 Abb Ab filed Critical Abb Ab
Priority to SE0100697A priority Critical patent/SE0100697D0/en
Publication of SE0100697D0 publication Critical patent/SE0100697D0/en
Priority to PCT/SE2002/000333 priority patent/WO2002070153A1/en

Links

Landscapes

  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

Present invention relates to a method and a device (145) for improving the signal-to-noise ratio (S/N) in a system (40) for measuring flatness of a strip (1) of rolled material, comprising a measuring roll (2) having a number of said measuring devices (22) for force/pressure registration. Said devices (22) generate measurement output signals Upi depending on the contact between the strip and the measuring roll. The invented device (145) determines and generates time slots having a determined time length, synchronises said time slots to the appearance of force components on an input of at least one quantity processor (62) of said signal processors (60) and controls at least one of said quantity processors (62) to be open for registration of an incoming force component signal during said time slot and to be closed until the next successive time slot appears. The present invention also provides a computer program product and a flatness determination signal for accomplishing said objects of the invention.
SE0100697A 2001-03-01 2001-03-01 A method and a device for improving the signal to noise ratio SE0100697D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0100697A SE0100697D0 (en) 2001-03-01 2001-03-01 A method and a device for improving the signal to noise ratio
PCT/SE2002/000333 WO2002070153A1 (en) 2001-03-01 2002-02-27 A method and device for improving the signal to noise ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0100697A SE0100697D0 (en) 2001-03-01 2001-03-01 A method and a device for improving the signal to noise ratio

Publications (1)

Publication Number Publication Date
SE0100697D0 true SE0100697D0 (en) 2001-03-01

Family

ID=20283174

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0100697A SE0100697D0 (en) 2001-03-01 2001-03-01 A method and a device for improving the signal to noise ratio

Country Status (2)

Country Link
SE (1) SE0100697D0 (en)
WO (1) WO2002070153A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262511A (en) * 1978-09-08 1981-04-21 Reycan Research Limited Process for automatically controlling the shape of sheet metal produced in a rolling mill
US4860212A (en) * 1986-10-08 1989-08-22 Kabushiki Kaisha Kobe Seiko Sho Rolled strip shape detecting device with high accuracy
JPS63101020A (en) * 1986-10-17 1988-05-06 Nippon Steel Corp Draft measuring instrument for rolled stock
DE3830629A1 (en) * 1988-09-09 1990-03-15 Betr Forsch Inst Angew Forsch Method for indexing measurement values to be processed
DE19609135B4 (en) * 1996-03-08 2005-04-21 Siemens Ag Method and device for determining the flatness or the tensile stress or the tensile stress distribution or the tensile force of a metal strip in a rolling train

Also Published As

Publication number Publication date
WO2002070153A1 (en) 2002-09-12

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