WO2006098762A3 - System and method for determining positioning solutions - Google Patents
System and method for determining positioning solutions Download PDFInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/026—Relative localisation, e.g. using odometer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L2205/00—Communication or navigation systems for railway traffic
- B61L2205/04—Satellite 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.
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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-
2005
- 2005-09-06 CA CA2518192A patent/CA2518192C/en active Active
- 2005-09-07 AU AU2005329078A patent/AU2005329078B2/en active Active
- 2005-09-07 WO PCT/US2005/031592 patent/WO2006098762A2/en active Application Filing
- 2005-09-12 BR BRPI0504592-4A patent/BRPI0504592B1/en active IP Right Grant
- 2005-09-13 MX MXPA05009794A patent/MXPA05009794A/en active IP Right Grant
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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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