Location-Aware Rail Asset Management
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Transcript of Location-Aware Rail Asset Management
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Location-Aware Asset Management
Steven Eglinton
Geospatial Information Manager
Tube Lines
March 2011
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The Challenge
1) “Improve precision of track fault locations”
2) “Reduce work bank from identifying duplicate faults”
Required criteria for solution:• Enable workforce to resolve to 1m track location• Create consistent & validated inspection data• Ensure output is machine-readable• Provide easy-to-use solution/tool for the above
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• To define where we are on the track – need a coding system
( Legacy system specified by London Underground)• N124 = unique area code• N = northern line• EB = eastbound track• LO = local track• 101 = 101 metres along track in direction from start of an area
Location – We think in a line
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Mobility• Location Acuracy to +/- 0.3m• > 60% of network is above ground
Screenshots from GNSS device
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Phase 1
Phase 3
Phase 2
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GIS Mapping Solutions – GRS-1 Versitility
M
GRS-1 w/ EGNOS
SubMeter
GRS-1w/external Beacon receiver
GRS-1 + PG-A1w/ RH-1 Radio for GGD
DM +/-0.30m
GRS-1w/ NTRIP corrections GG
GPRS
CM
GRS-1 + PG-A1w/ NTRIP corrections for GGD
GPRS
Precision was carefully considered and is fit for purpose – track inspections
track inspections
Premises / bridge inspections
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806 MHz XScale ProcessorWindows Mobile
Internal Magnetic Compass
Internal GSM Modem1GB internal memoryWiFi
Integrated Barcode Reader
RTK Dual constellation tracking L1+L2
RH-1 Radio Pack
Advanced digital imaging
GRS-1
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Standard GRS-1 with Data SIM
Topcon’s Network correction service
GPS and Glonass
DGNSS 10-30 cm
TopNet DGNSS
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Benefits of Location-aware Asset Management
• Easy fault documentation
• Time saving
• Designed for Non-Surveyors
• Consistent data
• Validated data
• Integrated
• No post-processing
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Contact
Steven Eglinton
Geospatial Information Manager (2007-2011)
Tube Lines
Present:
Director, GeoEnable
Director/Council Member, AGI