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Unread 01-23-2011, 11:23 AM
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Andrew Lynch
FRC #2587 (DiscoBots)
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DiscoBots - Week 2 Video

We built our corner omni drive in week 2. We used a vex cortex controller for testing since our team only has one cRio. We are using the cRio on last year's robot for velocity controller testing.

http://www.youtube.com/user/lamardiscobots

So far we are impressed with our maneuverability in open loop control !

Feel free to browse our Google Code repo if your interested in our VEX or cRio code.
http://code.google.com/p/discobots/updates/list

Week 3 video preview:
Working claw and a video that shows off closed loop velocity/gyro control!
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Unread 01-23-2011, 11:41 AM
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Re: DiscoBots - Week 2 Video

I love your manipulator. I think a gripper like that really is the way to go this year - smooth lexan to slide along the floor and grab tubes, with a wrap around pinch for a secure hold.

Neat drivetrain as well!
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Unread 01-23-2011, 09:15 PM
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Re: DiscoBots - Week 2 Video

Do you guys like the Cortex controller? OCCRA switched over to Cortex controllers for the old IFI controllers this year and there were very few problems. The only drawback we saw with the controller is that it uses a lot of battery power.

Your design is awesome. The claw looks like it works very well.
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Unread 01-24-2011, 12:00 AM
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Re: DiscoBots - Week 2 Video

The cortex have worked really well for prototyping different systems and allowing us to keep our old robots running since we can't afford to buy a new cRIO every year. Also it makes the transition from VEX to first easy because we have more students that have experience programming VEX (more than one vex team) and fewer that have used Java on the cRIO.

That is just one of our claw prototypes, we have a roller claw being prototyped that may be in next weeks video.
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Unread 01-24-2011, 07:49 AM
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Re: DiscoBots - Week 2 Video

Looks great. Good Luck!!
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