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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
Mar
2022
Technical Reports
Electronically Controlled Pneumatic Brake Device with Pneumatic Brake Emulation – Field Demonstration
Author
          Federal Railroad Administration

Subject
                    Braking Systems

**Keywords:** Air brake, brake controller, Car Control Device, CCD, Car ID module, Electronically Controlled Pneumatic, ECP, brakes, emergency application, end-of-train, EOT, full service application, graduated application, minimum service, graduated release, S-4200

Report Number
              DOT/FRA/ORD-22/12

  Office
              RDI-22
    26
May
2017
Research Results
Industry Survey of Bolsters and Side Frames Removed from Service
Author
          Federal Railroad Administartion

Subject
                    Best Practices,
                    Facilities & Test Equipment,
                    Rolling Stock

**Keywords:** Bolster, side frame, casting, survey, steel
**Abstract:** Transportation Technology Center, Inc. (TTCI) conducted an industry survey of defective bolsters and side frames removed from service. Scrapped components (approximately 70...
Report Number
              RR 17-07

  Office
              RDI-22
    13
Jan
2017
Technical Reports
Weld Repair of Manganese Frogs for Enhanced Performance
Author
          Federal Railroad Administration

Subject
                    Best Practices,
                    Rail and Infrastructure Integrity,
                    Track

**Keywords:** Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
**Abstract:** When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
Report Number
              DOT/FRA/ORD-17/01

  Office
              RRD

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