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Display of Stability Data for Safe Tractor Operation

Display of Stability Data for Safe Tractor Operation. D.J. Murphy and H.J. Sommer The Pennsylvania State University NIOSH Northeast Center for Agricultural Safety and Health. Fundamental Hypothesis. Operators can learn to avoid tractor overturn Safety training

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Display of Stability Data for Safe Tractor Operation

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  1. Display of Stability Data for Safe Tractor Operation D.J. Murphy and H.J. Sommer The Pennsylvania State University NIOSH Northeast Center for Agricultural Safety and Health NIOSH Tractor Workshop

  2. Fundamental Hypothesis • Operators can learn to avoid tractor overturn • Safety training • On-line sensors and display NIOSH Tractor Workshop

  3. Fundamental Goals • Display • Stability information • Safe operation NIOSH Tractor Workshop

  4. Past Efforts • 1/8 scale overturn tractor and terrain board • Farm safety presentations across the Northeast • Scientific publications • Full-size umbilical agricultural tractor • Annual presentations at PA Ag Progress Days exposition • Scientific publications NIOSH Tractor Workshop

  5. Full-size Umbilical Tractor • Ford 2080, 3580 lbm, 36 HP, rear wheel drive, 300+ overturns NIOSH Tractor Workshop

  6. Current Efforts • Cost-effective commercial sensors • Validate using full-size tractor • Which implements are most often involved in tractor overturn ? • Overturn tests with implements • Psychology and ergonomics of display NIOSH Tractor Workshop

  7. FY1 Accomplishments • New full-size radio control (R/C) agricultural tractor • Selected MEMSIC dual axis accelerometer ($15) and Atmel processor ($5) • Temperature compensation for zero shift and sensitivity • On-line display and on-board camera • Validation tests at Ag Progress Days 8/02 NIOSH Tractor Workshop

  8. Full-size R/C Tractor • New Holland TN65, 5300 lbm, 47 HP, four wheel drive, 30+ overturns NIOSH Tractor Workshop

  9. Full-size R/C Tractor • New Holland TN65, 5300 lbm, 47 HP, four wheel drive, 30+ overturns NIOSH Tractor Workshop

  10. Ag Progress Days 08/20/02 (MPG) NIOSH Tractor Workshop

  11. Side Overturn (On-board MPG) NIOSH Tractor Workshop

  12. Near Miss (On-board MPG) NIOSH Tractor Workshop

  13. Sensor Validation NIOSH Tractor Workshop

  14. FY2/FY3 Plans • CAN bus for sensor and display • Overturn tests with rear deck mower • Liaison with PA DOT (data logging on mowers) • Liaison with John Deere (CAN bus) • Review overturn reports involving attached implements NIOSH Tractor Workshop

  15. Future Plans • Sensor/display interface standards • Overturn tests with other implements • Display • Ergonomics • Cognition • Psychology NIOSH Tractor Workshop

  16. Major Resources • 1/8 scale tractor and terrain board • 2 acre enclosed overturn test arena • Full-size umbilical tractor • Full-size R/C tractor • Full-size R/C skid steer loader • Sensor/microprocessor/display design NIOSH Tractor Workshop

  17. Questions? • http://www.me.psu.edu/sommer/projects/tractor/ NIOSH Tractor Workshop

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