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_WWe’ve all heard the phrase “don’t reinvent the wheel.”
Researchers at Imperial College London decided to ignore that advice and ended up building something genuinely clever.
This wheel looks ordinary at first, but when it encounters a step or obstacle, its structure passively transforms.
There are no motors driving the change and no sensors telling it what to do. The shape of the obstacle itself triggers the mechanism.
On flat ground, it behaves like a standard smooth wheel, maintaining good ride quality and energy efficiency. But when climbing, it can clear obstacles up to 70% of its diameter.
For comparison, conventional wheels usually manage around 25%, and wheel-leg hybrids often trade away efficiency to gain that capability.
The impressive part is the simplicity. It’s a single-part design that relies on geometry rather than complex control systems.
Published in IEEE Robotics and Automation Letters in 2024, the PaTS-Wheel shows how far smart mechanical design alone can go.
Sometimes the breakthrough isn’t about adding more intelligence. It’s about designing something so well that it doesn’t need it.
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🎥: Morph Lab, Imperial / YT
#robotics #engineering #technology #innovation #3dprinting
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