Wheeled vehicles are so common because they’re efficient. If a vehicle will drive on a relatively smooth and flat surface, wheels are the most efficient option. But on rough terrain, wheels don’t always cut it. For such terrain, tank tracks and more exotic options often perform better than wheels. Walking machines take that to the […]
Omni wheels are fantastic because they let a vehicle drive forward, backward, left, right, and rotate — all without a steering mechanism. There are only two catches: all four omni wheels must be driven and omni wheels don’t handle rough terrain or obstacles well. Tank tracks are perfect for rough terrain, so James Bruton thought […]
Omni wheels, sometimes referred to by the trademarked Mecanum name, are special wheels lined with rollers. Thanks to the orientation of the rollers, a vehicle equipped with four omni wheels (each driven independently) can move in any direction by vectoring each wheel relative to the others. A typical setup includes four omni wheels, but James […]
Wheeled robots normally have wheels that move in a single axis and steer by using either differential speeds or by pivoting some kind of guide wheel. However, this leads to some drawbacks, the most obvious being an inability to move in really tight spaces. When presented with this challenge, YouTuber James Bruton came up with a great […]
Omni wheels normally contain a number of rollers arranged on their circumference, allowing them to slide left and right and perform various tricks when combined with others. The rollers on UCLA researchers Junjie Shen and Dennis Hong’s OmBURo, however, are quite different in that they are actually powered, enabling a single wheel to accomplish some impressive […]
Retired maker “lingb” created an omni-bot, with four wheels that allow sliding motion in the X/Y plane courtesy of their perpendicular rollers. While that alone would have been a fun build, he also attached a pen, along with a servo-based lifting mechanism, turning this robot into a free-range plotter! The device is controlled by an […]
Omni wheels are devices that look like wheels with extra rollers positioned along their circumference. This allows robots to move forwards and backwards, as well as slide and spin depending on how the wheels are powered. Maker Jeremy S. Cook decided to create his own version, and after some consideration and careful design work, constructed […]
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