[Emc-developers] Timestamp based velocity estimation. WAS: Re: Fanuc converter

2011-05-23 Thread Javier Ros
Hello, In the referred thread, there was a reference to Timestamp based velocity estimation quote Timestamp based velocity estimation improves this quite a bit (the software encoder, Mesa and Pico systems encoders all have this feature) But the timestamp velocity estimation signal/noise is

Re: [Emc-developers] Timestamp based velocity estimation. WAS: Re: Fanuc converter

2011-05-23 Thread Peter C. Wallace
On Mon, 23 May 2011, Javier Ros wrote: Date: Mon, 23 May 2011 16:37:48 +0200 From: Javier Ros j...@unavarra.es To: EMC developers emc-developers@lists.sourceforge.net Subject: [Emc-developers] Timestamp based velocity estimation. WAS: Re: Fanuc converter Hello, In the referred thread

Re: [Emc-developers] Timestamp based velocity estimation. WAS: Re: Fanuc converter

2011-05-23 Thread Jon Elson
Javier Ros wrote: I'm curious about the concept. Could you please elaborate a bit or refer to some bibliography?. Peter's reply is a good start. Let me add a bit. My universal PWM controller has also had this feature added (haven't got it put into my other products, yet.) There is a