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Saturday, March 24, 2012

Active Aero Progress

I wrote the first iteration of the active aero software yesterday and debugged it today.  Right now, all the functions are implemented minus the gearspeed functions.  The controller right now takes the accelerations, filters them, and sends a value to the motor controller based on a 16x16 lookup table.  It also outputs that value to an external DAC so that we can see wing position with data acquisition, and it's also really useful for debugging.


 Right now the motion is jerky because the motor is running on 6V, the potentiometer is only loosely attached, and the motor control PID isn't tuned yet.  But the arduino code works, so that's a step forward.

Also, the case for the aero controller is now machined.
The two case halves.  The aluminum half serves as a heatsink for the motor controller, and the delrin half seals to the aluminum half using an o-ring.

Backside of the aluminum heatsink.  The aluminum I used was scrap and turned out to be really crappy, gummy aluminum.  Oh well.

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