Title:
LOCOMOTIVE LOCATION SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO2005048000
Kind Code:
A3
Abstract:
A locomotive location system and method utilizes inertial measurement inputs, including orthogonal acceleration inputs and turn rate information, in combination with wheel-mounted tachometer information and GPS/DGPS position (58) fixes to provide processed outputs indicative of track occupancy, position, direction of travel, velocity, etc. various navigation solutions are combined together to provide the desired information outputs using an optima optimator (112) designed specifically for rail applications and subjected to motion constraints reflecting the physical motion limitations of a locomotive. The system utilizes geo-reconciliation to minimize errors and solutions that identify track occupancy when traveling through a turnout.
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Inventors:
MEYER THOMAS J (US)
METZGER THOMAS R (US)
METZGER THOMAS R (US)
Application Number:
PCT/US2004/032781
Publication Date:
March 23, 2006
Filing Date:
November 04, 2004
Export Citation:
Assignee:
LOCKHEED CORP (US)
MEYER THOMAS J (US)
METZGER THOMAS R (US)
MEYER THOMAS J (US)
METZGER THOMAS R (US)
International Classes:
B61L25/02; (IPC1-7): G06F17/00
Foreign References:
| US20030236598A1 | 2003-12-25 | |||
| US6831599B2 | 2004-12-14 | |||
| US6408245B1 | 2002-06-18 | |||
| US20020010531A1 | 2002-01-24 | |||
| US6424914B1 | 2002-07-23 | |||
| US20010020216A1 | 2001-09-06 | |||
| US20020072833A1 | 2002-06-13 | |||
| US20020103585A1 | 2002-08-01 | |||
| US20040006413A1 | 2004-01-08 | |||
| US20040015275A1 | 2004-01-22 | |||
| US20040015276A1 | 2004-01-22 |
Other References:
See also references of EP 1690192A4
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