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

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

On Fri, May 03, 2013 at 06:17:41PM +0200, Miroslav Lichvar wrote:
> 
>  u\a |               1 |
> 2^+4 | 3.9e-02 2.4e-02 |
> 2^+3 | 7.7e-02 4.8e-02 |
> 2^+2 | 1.5e-01 9.5e-02 |
> 2^+1 | 3.1e-01 1.9e-01 |
> 2^-0 | 6.2e-01 3.8e-01 |
> 2^-1 | 1.2e+00 7.6e-01 |
> 2^-2 | 2.5e+00 1.5e+00 | *
> 2^-3 | 5.0e+00 1.5e+00 | *
> 2^-4 | 6.1e+00 1.2e+00 | *
> 
> What do you think?

According to the analysis in the Eidson book, the constants marked
with * are not stable, and my simplistic servo simulator also confirms
this.

Thanks,
Richard