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Self-balancing scooters, like the Segway™ are often thought to be technological miracles, but it is not actually very hard to build one. I built the one described here in about a week using off-the-shelf parts. I spent another week tweaking the high-speed stability, improving the steering control, and writing about it.
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22 Mar 11
Mark SchulzSelf-balancing scooters, like the Segway™ are often thought to be technological miracles, but it is not actually very hard to build one. I built the one described here in about a week using off-the-shelf parts. I spent another week tweaking the high-speed stability, improving the steering control, and writing about it.
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Noah DyerAlthough the Segway has several exotic components, mine is built from common low-tech parts like wheelchair motors and RC car batteries. The parts, even at small quantity retail prices, cost less than half of a genuine Segway.
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Self-balancing scooters, like the Segway diy
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infraredSelf-balancing scooters, like the Segway™ are often thought to be technological miracles, but it is not actually very hard to build one. I built the one described here in about a week using off-the-shelf parts.
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David CorkingA home-made Segway proof-of-concept - and lots of interesting links on robotics topics like gyroscopes, motor control, batteries, safety and software.
A step up from Lego Mindstorms.-
I mentioned above that when it's going too fast it needs to tilt the stick back. This is tricky to do, because in order to tilt back it needs to accelerate the wheels forward to get them a few inches out in front. It then seems like it's going even faster, and it tries to tilt even farther back. This is called "positive feedback" and it's a recipe for uncontrollable oscillation. Making this stable was the trickiest part of the whole project, and the fact that it can only be tested at high speed resulted in several moments of terror and a few bruises before I got it right.
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