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The free rotating rollers (dark gray) allow the wheel to slide laterally A molded plastic omni wheel. Omni wheels or poly wheels, similar to Mecanum wheels, are wheels with small discs (called rollers) around the circumference which are perpendicular to the turning direction. The effect is that the wheel can be driven with full force, but will ...
A Mecanum wheel is an omnidirectional wheel design for a land-based vehicle to move in any direction. It is sometimes called the Swedish wheel or Ilon wheel after its inventor, Bengt Erland Ilon (1923–2008), [ 1 ] who conceived of the concept while working as an engineer with the Swedish company Mecanum AB, and patented it in the United ...
the BattleBot OMINOUS, shown here with a Kiwi Drive. A Kiwi drive is a holonomic drive system of three omni-directional wheels (such as omni wheels or Mecanum wheels), 120 degrees from each other, that enables movement in any direction using only three motors.
A caster is a wheel mounted to a fork, with an optional, additional offset steering joint. An omnidirectional wheel (Mecanum wheel, Omni wheel, or Swedish wheel) is made of a large central hub with many additional smaller wheels mounted along the perimeter such that their axes are perpendicular to the central wheel. The central wheel can rotate ...
A hemispherical omnidirectional gimbaled wheel (HOG wheel) is a drive system utilizing a hemisphere spinning continuously on its axis. When the hemisphere is horizontal, it is like a spinning top, and applies negligible torque to its contact point on the ground. When tipped on edge, however, it pulls like a traditional circular wheel.
By combining two the motion of two-wheel the vehicle can move in the direction of the perpendicular wheel, or, by rotating all the wheels in the same direction, the vehicle can rotate in place. By using the resultant motion of the vector addition of the wheels a Killough platform is able to achieve omni-directional motion. [2]