Re: [CAD_CAM_EDM_DRO] Compumotor Plus stepper drive

Ron Wickersham wrote:

> yes, when equipped with a hi-resolution position sensor (such as a
> resolver,
> or encoder) there is no distinction between a stepper motor and a
> brushless
> dc servo motor.
>
> -ron
>

I have at least one synchro resolver in the junk drawer. Are they
really high resolution, or just as good as analog can get? I guess you
could have more than one sine wave per rev and get more resolution. I
pretty much have written the thing off myself, seeing how encoders are
pretty cheap.
eric