track geometry

Ride Comfort Monitoring


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 On Vehicle Ride Comfort Monitoring

The Macminder system is an unattended method of monitoring vehicle ride performance and track conditions on board in-service trains eliminating the need for Track Possession. The system records ride comfort in different vehicles simultaneously, allowing comparisons of up to 16 journeys or vehicles. The system is designed to ISO2631 Draft 5 standard.

Each unit is small enough to be placed out of sight on an in-service train and is capable of recording up to three channels of vibration data:- Vertical, Lateral and Longitudinal. A tacho signal from the vehicle can be fed to an "L" model Macminder for logging of speed and distance. Data can be stored for up to 24 hours then downloaded to a PC using VTAS software, where it can then be analysed in either time or distance modes. Special annotation overlays and reporting can be applied to provide instantaneous results.


  • Unattended monitoring of Vertical, Lateral, Longitudinal and Speed inputs for up to 24 hours
  • Fully integrated "one box" system including own battery supply
  • Easy "Start / Stop / Download" of data using VTAS software
  • Instantaneous exceedence logging for major fault diagnosis
  • Easy to install and use
  • All data stored and processed to conform to ISO 2631 standards

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VTAS Analysis Software



Push Trolleys    Survey Trolleys    Track Measurement    Vehicle Monitoring    Track Vehicles 

Registered Office: Donfabs & Consillia Limited, The Old Iron Warehouse, The Wharf, Shardlow, Derby, DE72 2GH. No: 05465857