Inspiration: gyro stabilised servo

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ahoeben
Posts: 20
Joined: Fri Jun 20, 2008 4:14 pm

Inspiration: gyro stabilised servo

Post by ahoeben » Thu May 13, 2010 8:48 am

This is one of the cooler things I've seen a servo do in a while:
http://vimeo.com/4767293

The servo is modified with an internal gyro, and compensates its arm output for rotation of the servo itself. The modification is fully transparent to the controller; the servo still acts like a normal servo when it is not rotated.

The compensation is limited to the servo 180 degree total travel; it would be interesting to see something similar with a 360 degree/open encoder servo...

More here:
http://vimeo.com/4381443
http://www.dunehaven.com/gs1.htm

jharvey
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Location: Maine USA
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Post by jharvey » Thu May 13, 2010 10:04 am

I know that MEMS gyro's have some drift issues that need to be calibrated out. I wonder if this device is stable over temp and acceleration drifting. Perhaps an accelerometer would work well for the noted camera application.

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