On Tue, 6 Aug 2002 23:57, you wrote:
> On Wed, 7 Aug 2002 00:35, you wrote:
> > Must be complicated if using PWM at the same time.  Current sensing each
> > phase too?  Think Variable Frequency drives do so.
> >
> > /Morgan
>
> Hi all,
>
> I will have a URL I hope soon to post for a PhD thesis on a motor
> controller designed for 3phase brushless DC motor control, IIRC the paper
> discused a design for a 120Vdc system and has been used in a number of
> solar cars. I am hoping to improve on it using an AVR (ATMega128) as it
> does high speed PWM.
>
> Will pass URL on when it arrives :o)
>
> Regards,
>
> Kat.


Here is a search result URL for the info, not sure which link contains the
thesis, but the few things I have picked out like the controller chip from
motorola (MC330033) looks good.

http://www.google.com/u/uqitee?q=motor%20controller

Regards,

Kat.

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K.A.Q. Electronics
Software and Electronic Engineering
Perth, Western Australia
Phone +61 (0) 419 923 731
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