Thread: pbasic question
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Unread 23-06-2002, 23:50
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#0047 (ChiefDelphi)
  
Join Date: May 2001
Location: Pontiac, MI
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dead zone
Posted by Ken Leung at 1/30/2001 5:09 AM EST


Student on team #192, Gunn Robotics Team, from Henry M. Gunn Senior High School.


In Reply to: I vote against calibrating joysticks...
Posted by Joe Johnson on 1/29/2001 10:06 PM EST:



: Here is what I recommend instead: Use the lights on
: the OI (or your handy dandy Dashboard) to provide
: feedback on the trim position of the joystick.

A little advice about using the lights as an indicator of joystick calibration. You might want to include a dead zone around the center of range of the axis. Being a driver myself, I can tell you that it is really hard to calibrate the joystick to exact zero. You might want to make a "dead zone" around the center, so even if the joystick is slightly off, it will still count as the center. A few advantage for doing this: 1. easier and quicker for calibration, 2. easier for (shakey hand) drivers to hold joystick at center position when they doesn't want to move the robot, 3. Driver can control the robot much more accuratly if they are used to fast maneuvers on the joystick.

Probably Everyone are doing this... but no harm posting this out.


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