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Unread 02-02-2014, 00:18
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Programming/Controls Mentor
AKA: Joe Kelly
FRC #0997 (Spartan Robotics) and FRC #2990 (Hotwire Robotics)
Team Role: Mentor
 
Join Date: Jan 2013
Rookie Year: 2010
Location: Stayton, OR
Posts: 283
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Drive Train motors are out of sync

Hello!

Our team is having some issues with our drive train motors. Here are the details:
4 CIM motors
2 Sonic Shifters
CAN (not PWM) Jaguars
2 Encoders (not programmed)

Here's what's happening:
We run both sides (tank drive) at full speed (using regular Logitech Attack 3 joysticks), but one side is much more responsive and over faster than the other side. When we measured the output voltage, 3 out of 4 Jaguars were at around 11.90 Volts, but ONE jaguar (remember, this was at 100% power), was at about 12.20 Volts!

We do not have the encoder setup, but we will if it will help fix this issue.

Here's a quick video of the problem: http://www.youtube.com/watch?v=aUeHC...ature=youtu.be

Thanks!
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