Figures index

From

Modeling and Experimental Design Approach for Integration of Conventional Power Steering and a Steer-By-Wire System Based on Active Steering Angle Control

Eid S. Mohamed, Saeed A. Albatlan

American Journal of Vehicle Design. 2014, 2(1), 32-42
  • Figure 1. Conversion from conventional steering system to SBW
  • Figure 2. Overview of steer-by-wire structure
  • Figure 3. Schematically model of SBW
  • Figure 4. DC motor sub-system model
  • Figure 5. Simplified model of rack and pinion steering
  • Figure 6. PID Controller of SBW
  • Figure 7. Schematically of steering control block diagram
  • Figure 8. Photograph of the layout of the test rig
  • Figure 9. Schematically of experimental simulation setup
  • Figure 10. system controller with interfacing circuits’
  • Figure 11. the adaptation and mounting of DC motor with sensor locations
  • Figure 12. the SBW system response at right and left turning
  • Figure 13. the SBW system velocity response
  • Figure 14. the rack displacement response with and without controller
  • Figure 15. Target simulation: step-like tracking of steering wheel
  • Figure 16. the profile of the driver’s torque input and DC motor input torque
  • Figure 17. the measured SBW output displacement of column and raack
  • Figure 18. the measured SBW output displacement of column and rack
  • Figure 19. the comparison simulated and measured assist pump pressure.
  • Figure 20. the comparison simulated and measured assist hydraulic cylinder pressure
  • Figure 21. the experimental driver torque in side-stick SW
  • Figure 22. the experimental torque of DC motor actuator VW
  • Figure 23. the experimental assist torque of hydraulic subsystem VW with side-stick wheel angle, dry asphalt
  • Figure 24. the experimental assist torque of hydraulic subsystem with different friction coefficient, Fz=2250N
  • Figure 25. the experimental torque in VW with different front vertical load, dry asphalt
  • Figure 26. the experimental rack displacement with and without hydraulic assist, Fz=500N and dry asphalt
  • Figure 27. required power of HPS and SBW with HPS VS, front axle load