Re: System Identification -- Transfer Function from Frequency Response Data

"Tim Wescott" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
>
> If your system was hitting some nonlinearity such as actuator saturation,
> backlash in the geartrain, friction, etc., that will corrupt your data...

Uh, no.  A nonlinear system does not corrupt data.  It results in data that
you are not capable of handling.  The fault, dear Brutus, lies not in the
system but in ourselves.

If the theories do not fit the facts they must be changed.

Walter.