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Unread 08-03-2013, 21:08
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Ether Ether is offline
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Re: CIM ? feeling foggy

Quote:
Originally Posted by DMike View Post
We are using:

1 CIM motor
1.2 overdrive AM spinbox
US Digital HB 5M encoder
Jag motor controller CAN
8 inch pneumatic wheel
1650 RPM
- what motor controller(s) are you using for the shooter?
- what motors(s)
- what is the total gear ratio from motor(s) to wheel(s)
- wheel(s) diameter
- what is your setpoint operating speed(s)

- what is the current draw or voltage at those operating speed(s)
- what speed sensor are you using?
- how are you decoding the speed sensor signal?
- what's your speed control method (PID, bang-bang, TBH, etc)



Is 1650 rpm the setpoint speed of the wheel or the motor?

If you're only spinning the wheel at 1650 rpm, why do you have a speed-increasing gearbox? That's not giving you max acceleration at the setpoint. You want a 1.5:1 speed reduction gearbox. That will allow your motor to be spinning at 2500rpm when the wheel is spinning 1650.



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