CA2424179C - System and method for validating quadrature signals - Google Patents

System and method for validating quadrature signals Download PDF

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Publication number
CA2424179C
CA2424179C CA002424179A CA2424179A CA2424179C CA 2424179 C CA2424179 C CA 2424179C CA 002424179 A CA002424179 A CA 002424179A CA 2424179 A CA2424179 A CA 2424179A CA 2424179 C CA2424179 C CA 2424179C
Authority
CA
Canada
Prior art keywords
quadrature
pair
elapsed time
signal
control system
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.)
Expired - Fee Related
Application number
CA002424179A
Other languages
English (en)
French (fr)
Other versions
CA2424179A1 (en
Inventor
Dawn M. Mason
David J. Easton
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of CA2424179A1 publication Critical patent/CA2424179A1/en
Application granted granted Critical
Publication of CA2424179C publication Critical patent/CA2424179C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
    • G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Power Steering Mechanism (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
CA002424179A 2002-05-06 2003-03-31 System and method for validating quadrature signals Expired - Fee Related CA2424179C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/139,416 2002-05-06
US10/139,416 US6763294B2 (en) 2002-05-06 2002-05-06 System and method for validating quadrature signals

Publications (2)

Publication Number Publication Date
CA2424179A1 CA2424179A1 (en) 2003-11-06
CA2424179C true CA2424179C (en) 2006-07-04

Family

ID=29269541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002424179A Expired - Fee Related CA2424179C (en) 2002-05-06 2003-03-31 System and method for validating quadrature signals

Country Status (7)

Country Link
US (1) US6763294B2 (enExample)
EP (1) EP1365502B1 (enExample)
JP (1) JP2004045382A (enExample)
AU (1) AU2003203762B2 (enExample)
BR (1) BR0301040B1 (enExample)
CA (1) CA2424179C (enExample)
DE (1) DE60318767T2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030431A1 (de) * 2007-06-29 2009-01-02 Continental Teves Ag & Co. Ohg Verfahren zur Fahrtrichtungserkennung eines Kraftfahrzeugs
US8364436B2 (en) 2009-10-21 2013-01-29 GM Global Technology Operations LLC Systems and methods for measuring vehicle speed

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4865144A (en) * 1988-04-29 1989-09-12 Eaton Corporation Power steering system having simulated torque sensor
US5406860A (en) 1993-12-01 1995-04-18 Deere & Company Transmission shift lever assembly
EP0905909B1 (en) * 1997-09-29 2005-12-07 Texas Instruments Incorporated Phase locked loop and method of recovering a clock signal
US6000490A (en) 1997-12-17 1999-12-14 Deere & Company Steering input device
US6039132A (en) 1998-04-01 2000-03-21 Deere & Company Steering control system for tracked vehicle
US6215119B1 (en) * 1999-01-19 2001-04-10 Xerox Corporation Dual sensor encoder to counter eccentricity errors
EP1216475A1 (en) * 1999-09-17 2002-06-26 Delphi Technologies, Inc. Method and apparatus for robust generation of an index pulse for an electric power steering system
US6298931B1 (en) 1999-12-09 2001-10-09 Deere & Company Tracked vehicle steering control system with non-centered steering wheel
US6208922B1 (en) 1999-12-09 2001-03-27 Deere & Company Tracked vehicle closed loop steering system
JP2003526984A (ja) * 2000-03-07 2003-09-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ データクロックト回復回路
US6345674B1 (en) 2000-08-23 2002-02-12 Deere & Company Tracked vehicle steering control system with steering pump feedback
US6469499B2 (en) * 2001-02-06 2002-10-22 Delphi Technologies, Inc. Apparatus and method for low power position sensing systems
US6757635B2 (en) * 2001-12-12 2004-06-29 Balluff, Inc. Programmed method and apparatus for quadrature output sensors

Also Published As

Publication number Publication date
DE60318767T2 (de) 2008-07-17
BR0301040A (pt) 2004-08-17
US6763294B2 (en) 2004-07-13
EP1365502B1 (en) 2008-01-23
DE60318767D1 (de) 2008-03-13
EP1365502A3 (en) 2004-04-14
EP1365502A2 (en) 2003-11-26
JP2004045382A (ja) 2004-02-12
AU2003203762B2 (en) 2007-07-12
AU2003203762A1 (en) 2003-11-27
BR0301040B1 (pt) 2012-05-02
US20030208310A1 (en) 2003-11-06
CA2424179A1 (en) 2003-11-06

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