View Single Post
  #6   Spotlight this post!  
Unread 16-03-2015, 21:30
jman4747's Avatar
jman4747 jman4747 is offline
Just building robots
AKA: Josh
FRC #4080 (Team Reboot)
Team Role: CAD
 
Join Date: Apr 2013
Rookie Year: 2011
Location: Atlanta GA
Posts: 418
jman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond reputejman4747 has a reputation beyond repute
Re: Safety Issue: Robots Moving in Pits

Quote:
Originally Posted by Alan Anderson View Post
Indeed, for much of the development of the TechnoKats' mecanum software this year the wheels would have a fit if they were lifted from the ground. The robot would jerk back and forth as the wheels convulsed, and it could easily have rocked itself off a set of blocks. Using closed-loop speed control does not play well with unloaded motors.
This makes sense in your build site not your pit. Yea trying to run PID's on blocks doesn't work, I know (our bot didn't shake it self of the blocks though).

What would you tell a team trying to test a drive running PID in their pit? Put it on the floor?
__________________
---------------------
Alumni, CAD Designer, machinist, and Mentor: FRC Team #4080

Mentor: Rookie FTC Team "EVE" #10458, FRC Team "Drewbotics" #5812

#banthebag
#RIBMEATS
#1620
Reply With Quote