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Unread 09-12-2013, 15:22
gpetilli gpetilli is offline
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Re: 6 CIM Drivetrains... What's Your Experience?

Quote:
Originally Posted by Jonathan Norris View Post
(pro-hint: the acceleration difference between a 6 CIM and 4 CIM drive geared at 10ft/s isn't that much different. Start thinking more about acceleration/agility/control vs. top speed, its a real tradeoff, you need an amazing driver to control a robot above ~15ft/s)
I totally agree. I don't understand why some teams that are going to 6 CIMs AND a two (or three) speed gearbox.

In order to take advantage of the extra torque, do you need some form of traction control? Are you using a PID loop to control the voltage ramp? Are you imposing an open loop ramp on the driver or motor commands? Do you monitor motor currents for stall? Do you simply let the wheels spin and degenerate to the kinetic CoF for a small time?
 


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