On Thu, 8 Jan 2009, Peter C. Wallace wrote:
> Date: Thu, 8 Jan 2009 10:27:06 -0800 (PST)
> From: Peter C. Wallace <[email protected]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: "Enhanced Machine Controller (EMC)" <[email protected]>
> Subject: Re: [Emc-users] [utf-8] Re? 5i20+sevos and ??stepper??
>
>>
>> Can you repost the plots of your servo motion, maybe I can guess at whats
>> wrong with the tuning?
>
> Never mind, I see you did and I missed it
>
> My first guess is that amplifiers velocity loop needs tuning
Also since this is starting from 0 velocity maybe this indicates stiction
Can you do the same plot starting at some low velocity instead of 0 velocity?
>
> Peter Wallace
> Mesa Electronics
>
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Peter Wallace
Mesa Electronics
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