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#11
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Re: High Scores
Quote:
I guess THAT record may then boil down to the "luck and good goal positioning" between all of the alliances that DID manage to uncap and stick a rolling goal under the dump and THEN trigger it. So, who out there is in contention for "highest score made during autonomous mode"? Quote:
FYI, we had everything NICELY "dialed in" during practice, and our two 13 catches came during our first two rounds on Friday. Perfect alignment every time. The ones not caught were due to "throat congestion bounce out", so we didn't think we could do much better than this with our current robot's geometry. As an aside, a PAINFUL lesson: After our first two rounds, it stopped working! Turns out that without first discussing it with anyone else (or asking permission from the student lead programmer), an overzealous first year student "ASST Programmer" (NOT our lead student) decided to "tweak" that BEAUTIFULLY running "catcher" program without telling anyone, and WITHOUT FIRST BACKING UP the WORKING parameter set... <sigh> We also found out later that the replacement code hadn't even been TESTED on the practice field. He didn't THINK about WHY we weren't catching more, he just thought "those numbers looked better to him"... <head in hands> It took us a couple of rounds to REALIZE just WHY it stopped working, because who would DELIBERATELY tweak a working program??? Once he fessed up, THEN we discovered we didn't have a RECORD of the OLD parameters. We ended up spending the rest of that day trying to "rediscover the magic numbers" on the practice field... We think we have it NOW, but it messed up several of our middle rounds. Once working, we then never had another chance to try it on the field to duplicate that initial performance. NONE of our later partners could trigger the tee, and our OTHER autonomous programs were more valuable to the alliance. Lessons learned: 1) INSIST your programming staff ALWAYS saves a FULL set of the programming in a new, separate directory BEFORE EVERY ROUND (disk is cheap). That way, you CAN "go back to Round N's behavior" later if it turns out to be better than your later tweaks... 2) ONLY the Lead Student Programmer is allowed to download, and is charged with insuring EVERYTHING is TESTED and approved, BEFORE it may go in. 3) NO ONE should EVER let untested code be loaded into the robot just before a round, for ANY reason. A known behavior (even NOTHING) is MUCH better and SAFER than an unpredictable one. Uh... to put it mildly, that programmer sure got an earful from the rest of the team... <grin> ("And the floggings shall continue until morale improves"... )Anyway... Back to the high scores. Our current record is "13 caught at 45 seconds". Though we WERE positioned under it during autonomous, neither of our partners could trigger it for us on either of those two rounds, so we simply waited without moving. But it COULD have been for an autonomous catch... (The one time they DID trigger it for us was during round THREE, the round where to our shock the robot *first* wandered out of position... <sigh>) So, who here can beat 13 balls caught in their hopper from the dump? - Keith Last edited by kmcclary : 08-04-2004 at 15:32. |
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