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17
Jul
2023
Technical Reports
Fully Scalable Train Braking Simulation Environment
Subject
Communications
Keywords: Fully scalable train braking simulation environment, brake enforcement algorithm, PTC
Abstract: Transportation Technology Center, Inc. (MxV Rail), through a research project funded by Federal Railroad Administration (FRA), developed a Concept of Operations (ConOps...
Report Number
DOT/FRA/ORD-23/19
Office
RDI-23
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
9
Jun
2023
Technical Reports
Case Studies to Develop a Highway-Rail Grade Crossing Analysis Framework Using Microsimulation
Subject
Train Control
Keywords: Rail, at-grade crossings, train crossing, traffic analysis, traffic operations, simulation
Abstract: There are approximately 126,700 highway-rail at-grade crossings in the U.S. A portion of those involve high-volume public streets where crossing events result in measurable...
Report Number
DOT/FRA/ORD-23/16
Office
RDI-23
19
May
2023
Technical Reports
Locomotive Horn Detectability at Closely-Spaced Highway-Rail Grade Crossings
Subject
Train Control
Keywords: Highway-rail, grade crossing, locomotive horn, train horn, safety, quiet zone, railroad
Abstract: Researchers assessed the feasibility of altering the locomotive horn sounding pattern of repetition at each crossing in a series of closely-spaced grade crossings by exploring...
Report Number
DOT/FRA/ORD-23/15
Office
RDI-23
10
Apr
2023
Technical Reports
Intelligent Wireless Power Transfer (IWPT) for Safe Electric Power Charging of Rolling Stock
Subject
Hazardous Materials,
Rolling Stock
Keywords: Rail safety, wireless power transfer, arc fault detection, battery fire safety, rolling stock, Intelligent Wireless Power Transfer, IWPT
Abstract: To improve the safety of the electric power charging system for rolling stock, including both propulsion and ancillary use of stored electric power, this project proposes the...
Report Number
DOT/FRA/ORD-23/09
Office
RPD-22