track circuit augmentation using axle counters: best...
TRANSCRIPT
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Track Circuit Augmentation Using Axle Counters: Best Practices
PRINCIPAL AUTHORBill Wiedmann, MIRSE – Director Communications and Signals – Burns Engineering, Inc.CO-AUTHORAndrew McCarthy – Engineering Manager – FrauscherSensor Technology USA
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“Mountain Tunnel”
WEST EAST
2E2W
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‘Mountain’ Tunnel
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Tunnel Conditions
Mountain
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Tunnel Conditions
RAILS
ASPHALT
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Tunnel Conditions
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Rail Conditions
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Rail Conditions
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Rail Conditions
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Track Circuit Mitigation Solutions
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Train Detection Solution: Axle Counters
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Train Detection Solution: Axle Counters
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Train Detection Solution: Axle Counters
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Train Detection Solution: Axle Counters
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Train Detection Solution: Axle Counters
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Train Detection Solution: Axle Counters
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Axle Counter InterfacesWEST CIL East CILWest Comm Node East Comm Node
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Axle Counter Interfaces (Reset)
CP WEST
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Axle Counter Interfaces
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Axle Counter Interfaces
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Axle Counter Interfaces
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Broken rail protection
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Post Commission Challenges And Remote Diagnostics
CP EastCP WestMountain Tunnel
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Lessons Learned1. Test existing
infrastructure (communication links, terminal servers, etc) prior to system design. Test the existing network for packet loss and latency.
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Lessons Learned
2. When necessary to engage the FRA, begin a dialogue early in the process. Do not wait until project is ready for commissioning.
AXLE COUNTERS?
FOR TRAIN DETECTION.
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Lessons Learned3. Install remote diagnostics as an integral component
of the design.
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Lessons Learned4. Have a thorough
understanding of the existing network topology (connected devices, IP addressing scheme, network routing and switching).
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Lessons Learned5. Use data logging to
provide for system operational tracking and alarms, as well as to provide reliability statistics to the client or regulating agency.
Axle Counting System
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Lessons Learned6. When coupling 2 or
more axle counting units over a network, the network will always provide the biggest installation challenges. The hardware installation is easy.
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Potential Uses For Axle CountingTrack Warrant Control Monitoring – Defining Designated Limits
Track Warrant
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Potential Uses For Axle CountingTrack Warrant Control Monitoring
Track Warrant
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Potential Uses For Axle CountingTrack Warrant Control Monitoring
GCOR Rule 14.7.5Train Reports Clear of Limits
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PTC Uses For Axle CountingRoll Out Protection
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PTC Uses For Axle CountingRoll Out Protection
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Other Uses For Axle CountingOverrun Protection
Signal OverrunZone
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Other Uses For Axle CountingYard OS Detection
Switch Locked
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Other Uses For Axle CountingYard Routing
Route Locked
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Other Uses For Axle CountingYard Routing
Route Locked
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QUESTIONS?
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Track Circuit Augmentation Using Axle Counters: Best Practices
PRINCIPAL AUTHORBill Wiedmann MIRSE – Director Communications and Signals – Burns Engineering
CO-AUTHORAndrew McCarthy – Engineering Manager – FrauscherSensor Technology USA