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RE: (ET) ET Speed Control
- Subject: RE: (ET) ET Speed Control
- From: "Rick Barnes" <barnesr nwlink com>
- Date: Thu, 16 Dec 1999 17:33:12 -0800
- Importance: Normal
- In-reply-to: <19991214220350.12166.qmail@web107.yahoomail.com>
- Sender: owner-elec-trak cosmos5 phy tufts edu
Jeff:
Can you share the details of your PWM control system? Did you build this
yourself, or is it an off-the-shelf controller? Would you be willing to
publish your work so that others could duplicate it?
Thanks,
Rick Barnes
Aloha, Oregon
> -----Original Message-----
> From: owner-elec-trak cosmos5 phy tufts edu
> [mailto:owner-elec-trak cosmos5 phy tufts edu]On Behalf Of Jeff Dailey
> Sent: Tuesday, December 14, 1999 2:04 PM
> To: elec-trak cosmos5 phy tufts edu
> Subject: (ET) ET Speed Control
>
>
> I put out to the list a long time ago that I was
> running my ET on a PWM controller and did not get
> any response to it at that time.
> My ET has a shunt motor on it, to get the max. run
> time out of the battery for this type of motor you
> need a controller that has two PWM's in it.
> One for the armiture and one on the field.
> You turn the field on 100% and then ramp up the
> armiture to 100% at that point you decease the field
> PWM to increase the RPM of the motor till the armiture
> current drips. This is all done by a microcontroller.
> I use two 200Amp. FET's to do this
>
>
> Thank You
> Jeff Dailey
> Design Electronics
>
>
>
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