WO2006098762A3 - System and method for determining positioning solutions - Google Patents

System and method for determining positioning solutions Download PDF

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Publication number
WO2006098762A3
WO2006098762A3 PCT/US2005/031592 US2005031592W WO2006098762A3 WO 2006098762 A3 WO2006098762 A3 WO 2006098762A3 US 2005031592 W US2005031592 W US 2005031592W WO 2006098762 A3 WO2006098762 A3 WO 2006098762A3
Authority
WO
WIPO (PCT)
Prior art keywords
path
vector
vehicle
positioning system
reported
Prior art date
Application number
PCT/US2005/031592
Other languages
French (fr)
Other versions
WO2006098762A2 (en
Inventor
Harrison Thomas Hickenlooper
Mark Edward Kane
Original Assignee
Quantum Engineering Inc
Harrison Thomas Hickenlooper
Mark Edward Kane
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 Quantum Engineering Inc, Harrison Thomas Hickenlooper, Mark Edward Kane filed Critical Quantum Engineering Inc
Priority to AU2005329078A priority Critical patent/AU2005329078B2/en
Publication of WO2006098762A2 publication Critical patent/WO2006098762A2/en
Publication of WO2006098762A3 publication Critical patent/WO2006098762A3/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20Instruments for performing navigational calculations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/025Absolute localisation, e.g. providing geodetic coordinates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/026Relative localisation, e.g. using odometer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2205/00Communication or navigation systems for railway traffic
    • B61L2205/04Satellite based navigation systems, e.g. GPS

Abstract

A method and system in which a vehicle carries an on-board positioning system and has access to a database of information pertaining to a plurality of fixed paths. A vector between the position of the fixed path and a position of the vehicle as reported by the positioning system is calculated prior to arriving at a point of divergence (i.e., a point at which a path branches, such as a switch on a railroad track). After passing the path divergence, a second vector is calculated between the position of the vehicle as reported by the positioning system and at least one of the alternate paths, preferably the correct alternate path. The first vector is compared to the second vector, and a determination as to which path the vehicle is on is made based on the comparison.
PCT/US2005/031592 2004-09-13 2005-09-07 System and method for determining positioning solutions WO2006098762A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2005329078A AU2005329078B2 (en) 2004-09-13 2005-09-07 System and method for determining positioning solutions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/938,820 2004-09-13
US10/938,820 US7142982B2 (en) 2004-09-13 2004-09-13 System and method for determining relative differential positioning system measurement solutions

Publications (2)

Publication Number Publication Date
WO2006098762A2 WO2006098762A2 (en) 2006-09-21
WO2006098762A3 true WO2006098762A3 (en) 2007-02-01

Family

ID=36035208

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/031592 WO2006098762A2 (en) 2004-09-13 2005-09-07 System and method for determining positioning solutions

Country Status (6)

Country Link
US (1) US7142982B2 (en)
AU (1) AU2005329078B2 (en)
BR (1) BRPI0504592B1 (en)
CA (1) CA2518192C (en)
MX (1) MXPA05009794A (en)
WO (1) WO2006098762A2 (en)

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Also Published As

Publication number Publication date
AU2005329078B2 (en) 2009-10-01
BRPI0504592A (en) 2006-04-25
US20060058957A1 (en) 2006-03-16
MXPA05009794A (en) 2006-03-15
WO2006098762A2 (en) 2006-09-21
CA2518192A1 (en) 2006-03-13
CA2518192C (en) 2011-05-31
BRPI0504592B1 (en) 2017-06-13
AU2005329078A1 (en) 2006-09-21
US7142982B2 (en) 2006-11-28

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