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25
Jul
2018
Technical Reports
Evaluation of the Degradation of Concrete Ties Using Machine Vision Technology on High-Speed Rail Corridors
Subject
High-Speed Passenger Rail
Keywords: Concrete tie, concrete crosstie, tie degradation, cracked tie, concrete tie conditions, tie maintenance, tie replacement, tie inspection, tie grading, tie assessment, Northeast Corridor, concrete tie grades
Abstract: ENSCO, Inc. used machine vision technology to assess concrete tie degradation in Amtrak’s high-speed Northeast Corridor (NEC) over a 13-month period. The study examined three...
Report Number
DOT/FRA/ORD-18/26
Office
RDI-21
24
Jul
2018
Policy and Guidance
Revised Positive Train Control Guidance Regarding Interoperability Testing, Operations and Maintenance Manuals, and Certification Responsibilities
Subject
Positive Train Control
Keywords: Positive Train Control, Interoperability, Testing,
Abstract: In January and February 2017, FRA issued three guidance letters regarding positive train control (PTC) system interoperability testing; Operations and Maintenance Manual (OMM)...
17
Jul
2018
Research Results
Railroaders’ Guide to Healthy Sleep: A Research-Based Educational Website
Subject
Sleep Disorders
Keywords: Sleep health, fatigue, railroad safety culture, human factors, fatigue risk management, sleep disorders
Abstract: Originally launched in 2012, the Railroaders’ Guide to Healthy Sleep (RGHS) website (http://www.RailroaderSleep.org) is a non-regulatory, educational resource. Designed for...
Report Number
RR 18-11
Office
RDI-24
16
Jul
2018
Technical Reports
Blunt Impact Testing of a Diesel Multiple Unit Fuel Tank
Subject
Rolling Stock
Keywords: Diesel multiple unit, DMU, fuel tanks, impact test, crashworthiness, finite element analysis, FEA, puncture resistance, passenger locomotive, fuel tanks
Abstract: The Federal Railroad Administration’s (FRA) Office of Research, Development and Technology has been conducting research into passenger locomotive fuel tank crashworthiness. FRA...
Report Number
DOT/FRA/ORD-18/22
Office
RDI-22
12
Jul
2018
Technical Reports
Research on Methods for Enhancing Positive Train Control Freight Braking Algorithms
Subject
Positive Train Control
Keywords: Positive Train Control, PTC, Monte Carlo Simulations, PTC enforcement Braking Algorithm, Brake Force Calculation, Umler®, PTC Braking Algorithm
Abstract: The Federal Railroad Administration (FRA) sponsored a research project, executed by Transportation Technology Center, Inc. (TTCI) to investigate methods for enhancing the data...
Report Number
DOT/FRA/ORD-18/19
Office
RDI-23