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Autonomous Strategy
I'm wondering what autonomous modes were actually useful during the regionals so far. If you could, please post what your autonomous does or is supposed to do, and a little about how you did it.
My team had a purely defensive robot, so our autonomous strategy was to go over to the opponent's side and wreak as much havoc as possible, but not in any damaging way of course. We had several autonomous modes, and before each match we simply commented out the ones we didn't want to do. One idea was to go to our opponents side and start pushing around vision tetras, disrupting other robots who used them to cap. Another was to move back and forth in front of the center goal, preventing others from getting to that. Unfortunately, most of our code "broke during shipping," meaning it was just never tested, so we simply used a wheel encoder to move to our opponent's side and stop. |
Re: Autonomous Strategy
From watching events, I found that teams that could pick up the tetra given to the alliance and cap it on one of the corners of their homerow had a nifty advantage (4 points... 3 from capping, 1 from the magnet one falling when the other is capped... and a goal owned) considering it is just dead reckoning. Then of course just a "lift arm up and down" strategy for teams that have little programming expertise to knock down the magnet tetra. Finally, of course, which I believe only 1 team was successful at doing this weekend (but I believe numbers will rise in the coming weeks) is the very nice capping the vision tetra in autonomous.
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Re: Autonomous Strategy
Our auton worked perfectly on the right side (knock down 1pt) but 494 had a better one so we gave them the right side in elimination. They carried a tetra, grabbed it, used it to knock down the 1pt tetra on the right, and raised it over the center goal, ready to cap it in < 2 seconds after auton ended. 191, on the left, knocked down the hanging tetra. So basically, we had an entire row within 2 second after auton ended.
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Re: Autonomous Strategy
Any video of a robot capping vision in auton anybody? Never happened in the whole Sacramento Regional I attended.
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Team 401 has a very solid auto bot(worked every time). They would start with their tetra, and using their rotating arm, would cap one of the corner goals with it, which also caused the dangling tetra to be knocked down as well. A 4 pt. play at the beginning of EVERY match.
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I truly believe if we werent knocked out of the semi's so quick, and we got to play another 2 games we would have done it. One game we went over to the tetra (it was placed in front of the center goal) picked it up, went to raise our arm but the tetra got snagged on the goal :(, that would have capped if it wasn't snagged. |
Re: Autonomous Strategy
I think that most teams were aiming at the vision tetra capping, but some other teams had different approaches. Sparky 384 actually had their robot to go to the human loading zone which was a smart idea. Other robots just sat there...
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Re: Autonomous Strategy
157 almost managed to cap the center goal in autonomous with a vision tetra on Thursday. Also team 133 started with the original tetra and capped the center goal with the starting tetra about 75 percent of the time.
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Re: Autonomous Strategy
My team (246) was one of the only team that I saw who could reliably cap during auto. mode at BAE. We started with a tetra on the back of our arm and swung it over the top dropping the tetra onto either corner goal, scoring 4 points and capping a goal. I believe that team 40 and team 121 (to a lesser degree) adopted this strategy from us when they saw us at the mini-meet in Quincy (apologies all around if I'm taking credit where I shouldn't be). We achieved this simply by placing one wheel against the bar and driving the other one forward until (according to our gyro) it had spun to be flush with the goal. Worked every time, at least enough to get the tetra onto the goal, if not fully capped.
I didn't see anyone cap with a vision tetra at BAE, however a couple of teams (maybe it was only one...) were able to dead reckon their way toward the center goal and occasionally (if they were lucky) cap. Most people either sat there, or drove to the middle of the field/loading zone, which was a good strategy if you couldn't muster up anything else. - Toby |
Re: Autonomous Strategy
I really don't see why anyone would just sit there in autonomous mode. There's so much you can do, and there's so many people on CD willing to help you. Use other people's code! that's the whole reason they post it. They want to help you.
On that note, a simple and really effective autonomous mode is described in detail here. There's no reason every robot in FIRST can't have a good autonomous mode. I think it would make the competition a lot more exciting. Right now most of the time spectators sit there bored for the first 15 seconds. |
Re: Autonomous Strategy
We can create a row by capping the center goal on our side, then knocking down the two hanging tetras all during autonomous. We can also cap the vision tetra during autonomous and place a tetra on the center goal of our side(all in 15seconds). This I am 100% sure we can do it, as long as we get a chance to perfect it. We can also cap maybe 2 tetras from the auto loader during autonomous. We can pretty much do whatever we want. If you challenge us to do something during autonomous at a competition, we will be able to do it.... bring it on NJ, Buckeye and Nationals!!!
Go 1403!!! |
Re: Autonomous Strategy
At FLR we tried the camera through most of our qualifying matches which wasn't really a good idea since it was so inconsistent (it drove to the tetra every time but the manipulator was generally off by a couple inches every time as well). On the Saturday we tried a new auto which went to the auto loading zone which worked out MUCH better, the turn just has to be sped up once we go to Waterloo and it'll be good to go. If there aren't any problems (and the robot can do it fast enough) I'll likely put two of the automodes together and knock down a corner tetra then drive to a loading zone during auto.
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Wow, i'm impressed. At GLR, the only team with a working vision system was team 66. We at 503 can take down the hanging tetra, but thats it.
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Has anybody tried dead-reckoning to a center goal and hoping a vision tetra gets placed in front of them? I was going to write code for that in case our partners could handle the back goals and the starting tetra themselves, but it looks like we're not going to LA, so I can't try it.
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