RE: [CAD_CAM_EDM_DRO] Question about Servo Drives

Hi Jon,

> Also, this is yet another synchronous-antiphase drive, which is
> hard on the motor, especially if it is low inductance. Adding
> an L-C output filter would help reduce current ripple, but it
> makes the above problem worse, of course.
>

What is a "synchronous-antiphase drive" as opposed to some other type of
drive? How is it hard on the motor?

> I don't want to explain too much further or I'll be revealing my
> own trade secrets.
>
> Jon

I can understand that. Whatever info you can provide would certainly be
interesting. The down side of the UHU-Servo is that the source code
isn't available. Seems like a lot of these publicly developed projects
tend to go that way. Lots of input and then finally hardware but no
software.

I'm playing around with the UHU-Servo so I can try a servo drive on the
Electronic Lead Screw (ELS) project which will have full disclosure of
software, PCB layout and schematics. Undoubtedly some will use that
software for commercial projects without permission even though it's
licensed under GNU.

John Dammeyer