Omni Directional Mobility
company wishes to inform our web site visitors with some useful AI Robotic information.
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which operate on a floor or ground usually employ wheels.
This is the case for Omni Directional Mobility drive
The omni-directional mobility drive
, Omni-drive vehicles for short, are considered
but is in a class of its own.
The omni-drive module
requires one motor per wheel module. The wheel modules are what give the vehicle its unique maneuvering capacity.
These modules operate using 2
in the X-Y directions in a 3D work space, thus the individual wheel modules are not Holonomic.
The omni-directional wheel modules are typically mounted at angles to each other as rotation of one-wheel module causes the rollers on the other wheel modules to rotate.
The wheel modules are basically rollers on a wheel module rim instead of the tire tread.
The omni-directional mobility systems
are also known as the Mecanum wheel, Swedish wheel, Vuton wheel or the Spherical wheels.
These typically use fixed-mounting wheel modules with many small rollers as its treads, one propulsion motor per wheel.
The effective wheel diameter
is the diameter of the small rollers
The combination is very maneuverable, and is considered “Vector Controlled
While an omni-directional equipped vehicle may meet the minimum definition of
, some omni directional wheel drawbacks
include: Limited traction,
a very small surface contact patch, wheel slippage and induced movement errors, plus tread wear can be a problem and frequent wheel maintenance and repairs may be required.
The omni-wheel vehicles are typically indoor systems, where dirt, grit, hair, carpet fibers are all an ongoing concern.
For systems requiring a smooth, low vibration, and precise positioning, the omni-wheel mobility drive should be designed and sized to remediate such issues as much as possible.
In this illustration, please notice the wheel itself, which is composed of several small rollers.
From the illustrated movements, please note the F
= Front designation.
The omni-wheel can simulate synchronous mobility and holonomic movements. This is illustrated showing the front heading change.
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