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Unread 20-03-2011, 17:01
CoachPoore CoachPoore is offline
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AKA: Noel Poore
FRC #1519 (Mechanical Mayhem)
Team Role: Coach
 
Join Date: Jun 2008
Rookie Year: 2006
Location: Mont Vernon, NH
Posts: 30
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Re: Joysticks Laggy/Jerky

Quote:
Originally Posted by Ken Streeter View Post
We (1519) were having this problem starting a couple weeks ago when we upgraded our Driver Station (the Classmate) to the new 2011 release running Windows 7. (We had not been having the problem with Windows XP on the classmate.)

This week, we switched to using a different laptop (a Dell Latitude D610) and the lag problem has gone away completely. We believe our problem was due to the Classmate, rather than the robot!
Yes, we were also seeing other concerning symptoms such as the robot continuing to operate for up to about 5s after it should have been disabled via the driver station. This was observed when disabling by pressing the space bar or clicking on the "Disable" button. The Classmate in question had been re-imaged to Windows 7 using the (unmodified) memory stick provided in the KoP. Other than activating Windows 7, the only other thing we had done to the Classmate was to install the latest driver station update.
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2011 Granite State Regional Winners with teams 175 and 176
2010 Granite State Regional Winners with teams 1073 and 1058
2010 Granite State Regional Innovation In Controls Award Winners
2010 North Carolina Regional Engineering Excellence Award Winners
2010 North Carolina Regional Finalists with teams 1772 and 1741