CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Re: tach output

Posted by Jon Elson
on 2001-12-21 23:24:12 UTC
mariss92705 wrote:

> Jon,
>
> What you say may have been true at one time but things have gotten a
> little more sophisticated and refined now. There is an anti-dithering
> circuit in the current versions that takes care of this very real
> objection. It functions by knocking back the gain and damping to 5%
> of set value anytime the motor is within +/- 2 counts of the command
> position. The integral term dominates within this range and remains
> fully effective.
>
> The net result is you would have to be in a very quiet room to even
> hear the motor dither, let alone to thrash back and forth enough to
> cause motor heating or cause wear of the mechanical parts. You really
> would need to see it.

Hey, this is great! I didn't know you had done this. Very nice.

Jon

Discussion Thread

jakefife 2001-12-17 16:40:34 UTC tach output Tim 2001-12-17 16:50:24 UTC RE: [CAD_CAM_EDM_DRO] tach output ccs@m... 2001-12-17 16:58:40 UTC Re: [CAD_CAM_EDM_DRO] tach output Jon Elson 2001-12-17 22:53:13 UTC Re: [CAD_CAM_EDM_DRO] tach output jakefife 2001-12-18 17:38:16 UTC Re: tach output Jon Elson 2001-12-18 22:58:37 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output Ray 2001-12-19 07:16:52 UTC Re: Re: tach output jakefife 2001-12-19 19:15:21 UTC Re: tach output Thanks for the help David Micklethwaite 2001-12-20 13:14:23 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output Tim 2001-12-20 13:35:48 UTC RE: [CAD_CAM_EDM_DRO] Re: tach output mariss92705 2001-12-20 13:57:37 UTC Re: tach output Jon Elson 2001-12-20 22:57:01 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output Jon Elson 2001-12-20 23:11:34 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output mariss92705 2001-12-20 23:27:02 UTC Re: tach output rainnea 2001-12-21 03:34:31 UTC Re: tach output Tim Goldstein 2001-12-21 07:09:02 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output Paul 2001-12-21 13:22:34 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output rainnea 2001-12-21 17:01:44 UTC Re: tach output Jon Elson 2001-12-21 23:24:12 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output Jon Elson 2001-12-21 23:32:37 UTC Re: [CAD_CAM_EDM_DRO] Re: tach output