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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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