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Summary of ABS/CBS Test Track Performance. George Soodoo NHTSA Rulemaking. ABS/CBS Performance Testing. Purpose: To evaluate improvement in stopping distance performance with ABS and CBS technologies compared with conventional brakes Testing conducted DRI in Bakersfield, CA in 2008

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summary of abs cbs test track performance

Summary of ABS/CBS Test Track Performance

George Soodoo

NHTSA Rulemaking

abs cbs performance testing
ABS/CBS Performance Testing
  • Purpose: To evaluate improvement in stopping distance performance with ABS and CBS technologies compared with conventional brakes
  • Testing conducted
    • DRI in Bakersfield, CA in 2008
  • Tested motorcycles in different configurations:
    • Conventional
    • ABS
    • CBS
    • ABS/CBS
  • Test conditions: Dry asphalt, Wet asphalt, Straight line stops, Hand lever only, Foot pedal only, Both controls together, ABS “on” and ABS “off”
motorcycles tested
Motorcycles Tested
  • Motorcycles tested
    • 2007 Yamaha FJR1300 with ABS/CBS
    • 2005 Yamaha FJR 1300 with ABS
    • 2006 Honda VFR800 with ABS/CBS
    • 2006 Honda VFR800 with CBS
  • Yamaha: 4 configurations tested
  • Honda: 4 configurations tested
  • One expert rider and six non-expert riders
summary conclusions of abs cbs performance testing
Summary/Conclusions of ABS/CBS Performance Testing
  • Both the expert rider and non-expert riders in many cases outperformed ABS using single brake lever/pedal in rider best effort stops
  • However, with both brakes applied, ABS stops were more repeatable and shorter than non-ABS stops
  • Increased rider workload in applying both brakes at the limit resulted in less repeatability and longer stops without ABS
  • CBS stops were shorter than conventional brakes for single brake control applied
  • Agency plans to place Report in Docket in the next few weeks
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