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Unread 03-10-2012, 14:18
dyanoshak dyanoshak is offline
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AKA: David Yanoshak
FRC #2158 (ausTIN CANs)
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Re: FRC Blogged: - Motor Controllers

Quote:
Originally Posted by andreboos View Post
I'm somewhat worried about this change from a control perspective - last year there were reports of Jaguars losing their state when they lost power, so any CAN configuration commands (PID, voltage ramping, e.g.) had to be re-sent. This will become much more common if overcurrent results in tripping breakers and resetting Jaguars rather than just disabled motors.
I would argue that you won't see much of a difference. The breakers take WAY longer to trip and that is only when they heat up due to prolonged excessive current. If you're consistently tripping the breakers, I'd say you have bigger problems to worry about than a resetting Jag.

As always, keeping the battery fully charged will minimize the chance of a Jaguar browning out at ~6V. I'm confident that teams using the advanced CAN features also know to check for the "I just powered on" flag so they can reconfigure the reset Jag.

-David
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