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29
Sep
2023
Technical Reports
Development of a Bayesian Network-Based Accident Model for Hazmat Unit Trains
Subject
Hazardous Materials,
Rolling Stock
Keywords: Risk analysis, unit trains, hazmat
Abstract: The objective of this research project was to develop a predictive risk model for the release of hazardous material transported in unit trains using data science techniques for...
Report Number
DOT/FRA/ORD-23/37
Office
RDI-22
29
Sep
2023
Technical Reports
Load Environment Characterization of Tank Car Stub Sill During Revenue Operations
Subject
Hazardous Materials,
Rolling Stock
Keywords: Tank Cars, Rail, Stub Sill Failures, Impact Test, Yard Operation, Mainline Operation, Main Operation, Car Coupling, Draft Gear, Instrumented Couplers
Abstract: Fractures in the stub sills of tank cars pose a significant problem for the rail industry due to the potential for damage to the tank structure and possible release of the...
Report Number
: DOT/FRA/ORD-23/34
Office
RDI-22
29
Sep
2023
Technical Reports
I-ETMS™ Positive Train Control Passenger Braking Algorithm Enhancement – Phase II
Subject
Positive Train Control
Keywords: Positive Train Control, PTC, braking, braking algorithm enhancements, field testing, Electric Multiple Unit, EMU, Diesel Multiple Unit, DMU, enforcement algorithm, enforcement algorithms, EA
Abstract: The Federal Railroad Administration (FRA) funded Transportation Technology Center, Inc. (TTCI) to examine the performance benefits of four potential modifications to the...
Report Number
DOT/FRA/ORD-23/36
Office
RDI-23
24
Jul
2023
Forms and Templates
SF-425 Form
Subject
Grants & Financial Assistance
Keywords: SF-425 Form, Grants, Reporting
11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains
Subject
Positive Train Control
Keywords: Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup
Abstract: Software algorithms used in positive train control (PTC) systems designed to predict freight train stopping distance and enforce a penalty brake application have been shown to...
Report Number
DOT/FRA/ORD-13/34
Office
RRD