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On-Board Brake Piston Monitoring System

The brake piston is either body-mounted (1 per car) or truck mounted (2 per car) for braking service.  Remote monitoring from the side of one car or the locomotive cab is envisioned.


  • Improve rail safety
  • Decrease maintenance costs
  • Provide status of brake system


  • Real-time measurement of cylinder displacement
  • Defect detection 
  • ProvWeatherproof
  • Electronic monitoring box


ACT HopperFor more information please contact: - 202-493-6358 - 202-493-6369 



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  • Federal Railroad Administration
    1200 New Jersey Avenue, SE
    Washington, DC 20590
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