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Unread 24-03-2007, 22:16
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Re: Do you purposely not score in auto mode?

We have a telescoping arm that begins the match tilted backwards to fit under the four foot height limit. Our autonomous drives foward, extends the arm into a vertical position and opens our claw to get ready to pick up tubes.
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Unread 24-03-2007, 22:33
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Re: Do you purposely not score in auto mode?

Quote:
Originally Posted by Scion13 View Post
We have a telescoping arm that begins the match tilted backwards to fit under the four foot height limit. Our autonomous drives foward, extends the arm into a vertical position and opens our claw to get ready to pick up tubes.
Gee that sounds familiar - our arm 'tower' is hinged, and is tilted towards the rear at startup in order to keep our overall height under 48". In the autonomous period, we raise our arm, drive forward, and then reverse quickly. Inertia carries the arm tower forward, so that it can latch into place in a vertical position
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Unread 24-03-2007, 22:40
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Re: Do you purposely not score in auto mode?

This year we(166) didn't really use our auto but I do know that in past years namely last year we used a defensive auto. We drove straight. Right into a robot shooting for the three-point goal. We didn't score but neither did the other team.
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Unread 24-03-2007, 22:43
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Re: Do you purposely not score in auto mode?

We are close to completing a program that will pick up a ringer on the other side of the field.

The hope is to have the ringer ready for scoring in the first seconds of the match.
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Unread 24-03-2007, 22:49
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Re: Do you purposely not score in auto mode?

I devised three autonomous modes:

1) Start on left side, Drive past the rack, turn right and hit anything in the way

2) Knock all of the tubes down on our wall

3) Sit there and look pretty
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Unread 25-03-2007, 00:33
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Re: Do you purposely not score in auto mode?

We have a few autonomous modes available. They are all defensive because we can't score tubes. We can drive straight and then turn left or right depending on which side we started in order to disrupt anyone trying to place a a keeper. We don't like to use those though. There was one match at WI where we got ourselves stuck on the rack and couldn't move for the rest of the match. The auto mode do like to use is one that simply drives straight so that we are ready to play defense.
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Unread 25-03-2007, 10:58
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Re: Do you purposely not score in auto mode?

We have one autonomous routine which only deploys the arm into position to pick up a ringer from the floor. We used that one at the St. Louis Regional after one of our wheel encoders stopped working and the robot went into a mad spin instead of driving forward as it should have.

We fixed the broken wire and started running the scoring modes consistently at Boilermaker. We still have the "sit and look pretty" mode as an option in case of another encoder problem.
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Unread 25-03-2007, 11:01
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Re: Do you purposely not score in auto mode?

The auto mode we used in Boston raised our arm to the top of the player station wall, ready to grab one from the human player. We had a tube in our possession within the first 3 seconds of the match.
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Unread 25-03-2007, 11:05
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Re: Do you purposely not score in auto mode?

We turn on our compressor to fill up the air tanks so our pneumatic grabber is ready as soon as the match starts.
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Unread 25-03-2007, 12:17
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Re: Do you purposely not score in auto mode?

We zoom back and forth to rock our arm tower into place. The arm tower starts on an angle so we can fit within four feet.

Because of the way our tower is positioned between our lifting platforms, it isn't even physically possible for us to hold onto a ring at the start of the match. The closest thing to it would be starting with the ring at the bumper, but we didn't have time to develop a more complex autonomous mode that could go forward, back up, forward again to pick up the ring, and then score.

EDIT: See John Wanninger's post above too
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Unread 25-03-2007, 12:21
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Re: Do you purposely not score in auto mode?

we dri 2 the other side of the field and cover goals to keep other teams from scoring
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Unread 25-03-2007, 12:37
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Re: Do you purposely not score in auto mode?

903 had a cool one at Detroit, they drove in a semicircle around the back side of the rack once or twice to stop other teams.

Ours for a while was just drive backwards really slowly. It was a nice setup to get the first HP ringer, but we also tried to use it once to knock into the rack (to stop the other team from scoring their keeper).
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Unread 25-03-2007, 15:16
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Re: Do you purposely not score in auto mode?

We have 2 overall autonomous modes that don't score as well as 2 that do.
1) Drive to the other side of the rack and drive back and forth to prevent any opposing keepers
2) Sit and do nothing

We have several variations for our autonomous modes thanks to our autonomous switch.
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Unread 25-03-2007, 19:34
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Re: Do you purposely not score in auto mode?

Here was a pretty cool match for us. So far, I haven't seen better teamwork... but the video doesn't show it all. Even though our robot fails to move, our alliance members move up beside us and allow us to get up. Right before SkunkWorks (the other robot that was lifted) got onto the lift, they gave our robot a bump up. Sadly... it doesn't show that in the video.

So far, it's the only match for the Pacific NorthWest Regional I could find on youtube but it starts with a pretty cool autonomous period.

http://www.youtube.com/watch?v=b9rLeu0NYyU
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Unread 25-03-2007, 20:39
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Re: Do you purposely not score in auto mode?

537 always extends the mast, rotates 90 degrees, and brings our boom horizontal at the beginning of matches in order to be in a better position to pick up tubes from the rack. This was cool, but got cooler when we picked 494 and 70 to be on our alliance. Anyone who knows the martians know that they build two identical robots, which, for some odd and mysterious reason employed the same sort of concepts as our arm did. Essentially it looked like there was 3 of the same robot our there. Anyway, in auto the martians would unfold the arm and turn towards the chutes to pick up tubes. So, every auto mode in eliminations (we made it to semis then lost ) All 3 arms would deploy in perfect synchronization. There was a 537 sandwhich between 2 martians. . So in the first 10 seconds of the match we usually had 3 tubes up and we were coming back for more, we lost becuz we ran out of tubes and we couldnt get over to the other side to get more.
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