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We were fortunate enough to find a local (and very gracious!) grade school with a big carpeted, flat multipurpose room. Armed with a trusty roll of masking tape we laid out a field and dolled up our autonomous mode to get ready for nationals and get our shiney new ADXRS150EB gyro all tuned up.
Works great... 7 line crosses in 15 seconds w/o ball knockoff. With ball knockoff it can still make 5 line crosses, and has the capability to change lanes automatically if the robo coach tells the robot the ball is in a lane other than the one it's in right now. Back by popular demand, it can recover from collisions and obstructions with minmal error.
If you have any comments/questions... post!
-q
Discussion
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04-06-2008 12:48 PM
Qbranch
Re: pic: 1024's Fix-It/Practice
Here's a video of our robot running in non-lane-change race mode for autonomous: http://www.youtube.com/v/-q4NTcanElE ...amazing the difference a spiffy new gyro and a few hours to work with the robot can do.
While the robot just crosses 6 lines in autonomous in this video, our competition robot is considerably faster and should be able to make seven lines on a good battery.
Unfortunately, we have no video of the robot lane-changing, but if you have any comments/questions about it let me know and I'll see what I can do.
-q
p.s. A little later in the evening some people got to pushing the robot around: http://www.youtube.com/v/7IszxvWliPA The improved collision recovery software still kept the robot on track. No video of recovery during arc interpolation, but yesterday we also tested that the robot can continue after being completely blocked in a turn. GO TEAMS, and see you all in Atlanta!!!
04-06-2008 01:19 PM
=Martin=Taylor=
Re: pic: 1024's Fix-It/Practice
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Originally Posted by Qbranch
Here's a video of our robot running in non-lane-change race mode for autonomous: http://www.youtube.com/v/-q4NTcanElE ...amazing the difference a spiffy new gyro and a few hours to work with the robot can do.
While the robot just crosses 6 lines in autonomous in this video, our competition robot is considerably faster and should be able to make seven lines on a good battery. Unfortunately, we have no video of the robot lane-changing, but if you have any comments/questions about it let me know and I'll see what I can do. -q p.s. A little later in the evening some people got to pushing the robot around: http://www.youtube.com/v/7IszxvWliPA The improved collision recovery software still kept the robot on track. No video of recovery during arc interpolation, but yesterday we also tested that the robot can continue after being completely blocked in a turn. GO TEAMS, and see you all in Atlanta!!! |
There's also the problem of running into other robots that are stuck on the lane divider (seems to happen a lot).
04-06-2008 01:25 PM
Qbranch
Re: pic: 1024's Fix-It/Practice
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Originally Posted by Hachiban VIII
I would be worried about driving that close to the lane divider. For one thing, your bumpers are probably going to rub on the sides slowing you down slightly, which will create a discrepency between how far your robot thinks it has traveled and how far it has actually traveled.
There's also the problem of running into other robots that are stuck on the lane divider (seems to happen a lot). |
Why would the robot have a discrepancy between how far it thinks it has gone and how far it actually has gone if it runs into a robot/rubs the lane divider (not that that's the plan)?
Thanks for the comments!
-q
04-06-2008 02:05 PM
=Martin=Taylor=
Re: pic: 1024's Fix-It/Practice
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Originally Posted by Qbranch
Why would the robot have a discrepancy between how far it thinks it has gone and how far it actually has gone if it runs into a robot/rubs the lane divider (not that that's the plan)?
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But when we started from the middle position we never had any problems.
I guess if you get really clever with the gyro you could use it to sense deceleration.
04-06-2008 05:09 PM
Jetweb
Re: pic: 1024's Fix-It/Practice
Thats looking good. Kicking the robot in auto is fun isent it. (its one of my favorite activities, right behind starting it in funny positions to see if it can recover 
)
hope we play each other in Atlanta so we can race...
(we did the same thing with our practice bot (aka Swampthing 07))
http://www.twzdesigns.com/MOV02281.MPG
04-06-2008 06:14 PM
Protronie
Re: pic: 1024's Fix-It/Practice
Looks good... knew you guys still had some tricks up your arm. 
04-07-2008 07:41 AM
Qbranch
Re: pic: 1024's Fix-It/Practice
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Originally Posted by Jetweb
Thats looking good. Kicking the robot in auto is fun isent it. (its one of my favorite activities, right behind starting it in funny positions to see if it can recover
)hope we play each other in Atlanta so we can race... (we did the same thing with our practice bot (aka Swampthing 07)) http://www.twzdesigns.com/MOV02281.MPG |
If it's your 2008... it would be fun to watch a race!
-q
04-07-2008 11:53 AM
Jetweb
Re: pic: 1024's Fix-It/Practice
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Originally Posted by Qbranch
Looking good! Is this your 2007 robot in the video? 2008?
If it's your 2008... it would be fun to watch a race! -q |
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