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52550
  
  

  11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains: Appendices F
Author
          Joe Brosseau, Bill Moore Ede, Shad Pate, RB Wiley, and Joe Drapa

Subject
                    Braking Systems,
                    Positive Train Control,
                    Signal and Train Control

**Keywords:** Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup

Report Number
              DOT/FRA/ORD-13/34

  Office
              RRD
    11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains: Appendices G-L
Author
          Joe Brosseau, Bill Moore Ede, Shad Pate, RB Wiley, and Joe Drapa

Subject
                    Braking Systems,
                    Positive Train Control,
                    Signal and Train Control

**Keywords:** Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup

Report Number
              DOT/FRA/ORD-13/34

  Office
              RRD
    9
Apr
2018
Technical Reports
Rail Base Corrosion and Cracking Prevention: Phase 2
Author
          Federal Railroad Administration

Subject
                    Rail and Infrastructure Integrity

**Keywords:** Corrosion, rail, rail base corrosion, coatings, corrosion testing, premature rail failure
**Abstract:** In March 2014, EWI was engaged by the Federal Railroad Administration to research rail treatments to prevent rail base corrosion in corrosive environments.  A coating system was...
Report Number
              DOT/FRA/ORD-18/09

  Office
              RDI-21
    13
Feb
2018
Technical Reports
Slab Track at Facility for Accelerated Service Testing:  Performance and Serviceability
Author
          Federal Railroad Administration

Subject
                    Signal and Train Control

**Keywords:** Slab track, track geometry, instrumented wheelsets, heavy axle load, HAL
**Abstract:** The Transportation Technology Center, Inc., with funding by the Portland Cement Association and the Federal Railroad Administration, documented the available records associated...
Report Number
              DOT/FRA/ORD-18/02

  Office
              RDI-21
    15
Sep
2017
Technical Reports
Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter
Author
          Federal Railroad Administration

Subject
                    Rail and Infrastructure Integrity

**Keywords:** stress in rail; ultrasonic transducers; ultrasound scattering; theoretical model of the scattering process; prototype devices for stress estimations in rail; laboratory and field tests
**Abstract:** In this report, research was conducted at the University of Nebraska-Lincoln pertaining to the use of ultrasound scattering from polycrystalline grains to estimate and monitor...
Report Number
              DOT/FRA/ORD-17/15

  Office
              RDI-21

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