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Anti-Lock Braking Systems

Anti-Lock Braking Systems. Branden L. Jones, CSP, OHST Manager - EH&S Texas New Mexico Power Fort Worth, Texas. Pop Quiz. Does Anti-Lock Brake System (ABS) usage follow conventional driver training? Is ABS usage on cars and trucks the same? Do you address ABS in Defensive Driving Courses?.

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Anti-Lock Braking Systems

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  1. Anti-Lock Braking Systems Branden L. Jones, CSP, OHST Manager - EH&S Texas New Mexico Power Fort Worth, Texas

  2. Pop Quiz • Does Anti-Lock Brake System (ABS) usage follow conventional driver training? • Is ABS usage on cars and trucks the same? • Do you address ABS in Defensive Driving Courses? Anti-Lock Braking Systems

  3. NO NO ?? Does Anti-Lock Brake System (ABS) usage follow conventional driver training? Is ABS usage on cars and trucks the same? Do you address ABS in Defensive Driving Courses? Quiz Answers Anti-Lock Braking Systems

  4. Mini Train-the-Trainer • Basic Functions of ABS Systems • Driver Instructions for Cars and Light Trucks • Driver Instructions for Heavy Trucks • Resources for Defensive Driving Program Integration Anti-Lock Braking Systems

  5. Basic Functions of ABS • Physics 101: Static Friction is Greater than Moving Friction • ABS IS Computer Controlled Brake Pedal “Pumping” • ABS Allows the Driver To Maintain Control During Hard Braking Anti-Lock Braking Systems

  6. Vehicle ABS System • Speed Sensors on Wheels are Monitored by On Board Computer • Radical Speed Differences Trigger ABS Action • ABS “Pumps” the Brakes 18 Times per Second Anti-Lock Braking Systems

  7. Vehicle ABS System • ABS Systems “Counter-Intuitive” Operations • Grinding Sounds from All Wheels • Pulsating or Soft Brake Pedal • Driver Can Still Steer (with Reduced Effect) Anti-Lock Braking Systems

  8. Video Clip • “America Brakes for Safety” • ABS Education Alliance Anti-Lock Braking Systems

  9. Driver Education (Cars) • STOMPon the Brake Pedal • STAYon the Brake Pedal with Steady Pressure • STEERto Avoid Collision • “Pumping” the Brake Pedal STOPS ABS Systems from Operating Properly (ON-OFF-ON-OFF-ON-OFF) Anti-Lock Braking Systems

  10. Video Clip • “America Brakes for Safety” • ABS Education Alliance Anti-Lock Braking Systems

  11. Driver Education (Trucks) • Single Vehicle Configuration • All Wheels • STOMP, STAY, STEER • Tractor - Trailer Configuration • Any Combination • Brake Steadily and Evenly • Back-off Brakes to Maintain Control Anti-Lock Braking Systems

  12. Video Clip • “ABS Driver Training” • US DOT Anti-Lock Braking Systems

  13. ABS Maintenance Issues • Most Common Issues • Loose Wiring • Wheel Speed Sensor Pickup and Calibration • Other Possibilities • Modulator Valve Failure • Electronic Control Unit Failure Anti-Lock Braking Systems

  14. Video Clip • ABS Maintenance • US DOT Anti-Lock Braking Systems

  15. Driver Training Integration • ABS Systems Differ from Traditional Braking Training • Items to Incorporate • Basic Function of ABS Systems • How to Drive and Brake with ABS • What Happens when ABS Engages • Emphasize Steering! Anti-Lock Braking Systems

  16. Educational Resources • Educational Resources • Super Cheap!!! • ABS Education Alliance • Videos, Trainer Packages, Brochures, etc. • http://www.abs-education.org/index.html • Federal Motor Carrier Safety Administration • Videos, Cirriculum • http://www.fmcsa.dot.gov/safetyprogs/brakesaft.htm Anti-Lock Braking Systems

  17. Questions? Thanks!

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