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Fluid Power Is Alive & Well in the Era of Energy Conservation

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pnachtwey
User Rank
Iron
Re: Servopneumatics
pnachtwey   5/8/2014 1:26:04 PM
NO RATINGS
It is possible to get very good accuracy with servo pneumatics.  A lot depends on the load, changes in the load, the quality of the the components and the desired speeds.  I have a video where I move about a 5 lb load pretty quickly doing point to point moves and a sine wave where the frequency and amplitude change.

Here is an example of what can be done.

http://deltamotion.com/peter/Videos/PneuMove2.mp4

This cannot be done using a normal PID controller with just velocity and acceleration feed forwards.

 

 

 

 

 

 

Charles Murray
User Rank
Blogger
Servopneumatics
Charles Murray   5/2/2014 6:20:54 PM
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Interesting article, Peter. I recall years ago there was some talk about high-resolution positioning with servopneumatics. Can you get good positioning accuracy with pneumatics and do those systems still exist?  

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