Re: [Linuxptp-devel] Optimal P, I constants

[Richard C. <ric...@gm...>]

On Fri, Jun 28, 2013 at 10:51:02AM +0200, Miroslav Lichvar wrote:
> On Wed, May 29, 2013 at 11:53:42AM +0200, Miroslav Lichvar wrote:
> > On Tue, May 28, 2013 at 07:16:15PM +0200, Richard Cochran wrote:
> > > 	# method B at 2^-4
> > > 	# pi_proportional_const  3.2
> > > 	# pi_integral_const      0.05
> > 
> > Hm, doesn't the method B give at 2^-4 kp=0.2 and ki=0.8?
> 
> Well, it doesn't. It seems I was using a wrong formula for the method
> B the whole time. I had not noticed it was written with multiplication
> instead of division. The previous comparisons I made are invalid, I'm
> sorry.

That is quite alright, we will slowly get to a good result...

I had meant to reply about the method B and also post a bunch of
new measurements I made, but I just couldn't find the time.

I will post them and also try out you new patch, hopefully soon.

Thanks,
Richard