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Active Steering Control to Enhance Narrow Tilting Vehicle Stability

Active Steering Control to Enhance Narrow Tilting Vehicle Stability . James Robertson Centre for Power Transmission and Motion Control University of Bath Bath, United Kingdom Supervisors: Dr J. Darling, Prof A. Plummer. What Are Narrow Tilting Vehicles?.

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Active Steering Control to Enhance Narrow Tilting Vehicle Stability

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  1. Active Steering Control to Enhance Narrow Tilting Vehicle Stability James Robertson Centre for Power Transmission and Motion Control University of Bath Bath, United Kingdom Supervisors: Dr J. Darling, Prof A. Plummer

  2. What Are Narrow Tilting Vehicles? Narrow vehicles which tilt during cornering to maintain stability The C.L.E.V.E.R Vehicle: Tilting system developed by the University of Bath Can provide a safe low carbon alternative to existing personal transportation methods. Particularly suited to urban environments The C.L.E.V.E.R Vehicle Crash Test: 3* NCAP Equivalent

  3. Direct Tilt Control (DTC)

  4. Steering Direct Tilt Control (SDTC) Hydraulic Active Steering System Response

  5. Experimental Results Steering Response Stability Improvement Steer Input Severity Reduced Wheel Load Variation Reduction ≈ 30% at 7.5m/s

  6. Conclusion and future work • Conclusions • Active steering improves vehicle roll stability • Steer inputs and can be delayed or countersteering action introduced • Moment generated by DTC actuators reduced • Further Work • Improvements to the lateral acceleration estimation model • Further experiments to establish system performance in a variety of manoeuvres and operating conditions UKACC PhD Presentation Showcase

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