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Steering System for Mobile Robot

1. What

Steering system are mechanisms that control the direction of movement

Goal: Control direction, maintaining stability and safety

2. Common Type

  • Rack and pinion: translate rotation into linear motion

What Actually Is Rack And Pinion Steering?

  • Recirculating ball steering: worm gear and sector gear, convert rotational motion into linear motion

Recirculating-ball Steering - How Car Steering Works | HowStuffWorks

  • Ackermann steering: used in tractors and heavy-duty vehicles, all turn smoothly

Ackermann steering geometry - Wikipedia

  • Differential steering: use two separate motors to drive each size

Differential steering - Wikipedia

  • Skid steering, control the speed and direction, no turn

PDFs Comparison of Skid Steering Vs. Explicit Steering for a  Wheeled Mobile RobotSemantic Scholar

  • Crab steering: all wheels turned in the same direction, it can move sideways

Why is crab steering a thing? : r/farmingsimulator

3. All in One: Four-wheel Steering

All four wheels are steered to improve the maneuverability