Announcement

Collapse
No announcement yet.

Some notes from Peachtree Regional

Collapse
X
  • Filter
  • Time
  • Show
Clear All
new posts

  • Some notes from Peachtree Regional

    We ran well with almost no issues. There were 64 matches on Friday and we actually ended a few minutes ahead of schedule. This is a bit deceptive since the longest cycle times of our schedule were the afternoon with several matches scheduled 8 min apart and the rest 7, but we had to slow down a bit to stay close to the schedule. Saturday morning matches (26 more) were 6 minutes apart and the lateness we experienced there was entirely due to spending 8 minutes before one match trying to get a robot connected to the field.

    Things to watch for:

    - You'll need the flowchart (found elsewhere in this forum) to help explain to everyone how to handle robots that haven't passed inspection. Print it and have it handy.

    - Go ahead and find the rules for tie breakers in Elimination matches. It will help the announcer explain it to the crowd when it happens. It happened to us twice, including the final match.

    - Assuming there are two of you working the scoring table, split the duties to watch the goals for scores during hybrid and at the end of the match. We had some balls that scored at the end of hybrid that the head ref wanted counted as in hybrid, even though they went through the counters just after teleop began. It's easy to address this if you practice it yourself on practice day.

    - At the end of the match, there will be human players throwing the ball the length of the field. Sometimes they get lucky and actually score. We had one occurrence where a team claimed that they did not get credit for such a throw where the ball was still in flight as the buzzer went off. They claimed to have video which the head ref rightfully declined to review, but after that we watched for this more closely. We were not able to find anyone other than the team that remembered such a shot scoring, and we do think someone must have seen it. But it is easier to disallow if you know someone is watching specifically for backup.

    - We did find some of the ball counters were not working correctly after field setup. They appeared to me to be wired backwards, but maybe I'm not clear on how they work. The FTA did change a couple out before we began qualification matches. We tested each ball counter each morning and afternoon.

    - We did have the FCUI (blue box) fail on us once. This really isn't a problem as long as you remember you can use the software version built into FMS. We did that since we were already pre-started and then power cycled the box after the match. No other problems with it after that.

    - I keep notes on a match schedule of teams that have trouble connecting and have connection dropouts during matches. Inevitably teams with many of these matches will come around to blame the field or FMS for their problems. I won't go so far to say that the field or FMS couldn't fail, but having detailed notes puts to rest issues like: 'no one is running well when they are in blue 3' or 'there are no prblems on blue, but the red alliance is consistently seeing comms issues'. I'm not trying to defend the field here as much as trying to get the teams good data as to what is really causing their problem and getting it fixed.

    - We did lose PLC heartbeat once, but it wasn't during a match. Pre-starting again resolved the issue. Know what to do if it does happen in a match. If you're watching the goals at the end game you'll probably notice any issues.

    - You can save youself some significant time by having inspectors in the queueing area reviewing robots for ethernet wires disconnected, radios in AP mode, radio power disconnected. Encourage the teams to turn on their robot after they set it down on the field, but before they make final position adjustments or place balls, so long as it is safe for them to do so. Remember that 30 seconds in each match over a 90 match schedule eats 45 minutes.

    - I still don't quite understand how it happens since the queueing volunteers at our event place the teams into different boxes for red 1, red 2 and red 3, but at least a couple of times each day, 1 and 3 get reversed. Alert your queuers to this issue. The place this really gets confused is during finals when teams get moved between matches, even though the same teams are playing in consecutive matches. Since you know this will happen, and it is documented on the elimination match schedule, point it out to the queuers in advance.

    - On practice day, even though you may not have teams ready for their slot, go ahead and run the published schedule. You won't have to constantly step through uncompleted matches to the match you want to run. Teams in the pits will hear the sounds of matches being run, giving them some incentive to get on the field. You're also practicing your match process so that everything is familiar when real matches begin.

  • #2
    Re: Some notes from Peachtree Regional

    This is great Ray, thanks!
    FIRST®
    FRC Electrical Engineering Manager

    Comment


    • #3
      Re: Some notes from Peachtree Regional

      Originally posted by rspurlin View Post
      - Assuming there are two of you working the scoring table, split the duties to watch the goals for scores during hybrid and at the end of the match. We had some balls that scored at the end of hybrid that the head ref wanted counted as in hybrid, even though they went through the counters just after teleop began. It's easy to address this if you practice it yourself on practice day.

      These are the rules that apply to these situations:

      -----------------------
      [G37]
      Final scores will be assessed 5 seconds after the Arena timer hits zero.

      [G38]
      Alliances will be immediately awarded points for each Basketball that passes completely through their Hoops as follows:

      Hoop
      Points

      Top
      3
      Middle
      2
      Bottom
      1

      [G39]
      During Hybrid, an additional 3 point bonus will be added for each Basketball that passes completely through any Hoop.
      ------------------

      So the ball only has to pass through the HOOP to count, even though it may have not gone through the ball counter yet. This happens fairly often at the end of Hybrid and a basket has to be changed from Teleop to Hybrid/Auto.


      Based on [G37] the scoring system will count balls for 5 seconds after the buzzer to count any balls that may be "in flight", either from robot shots or inbounders throws.

      The key for the refs/scorers to watch out for is whether or not the inbounder releases the ball before or after the buzzer. Usually this isn't a problem since most of the time they don't wait until the last second to throw the balls.

      It's also possible that a robot "shoots" a ball after the buzzer if it has a flywheel type shooter and some sort of gravity-fed feeder mechanism. Even though the robots outputs are disabled, they still might have enough energy to shoot a ball. Highly unlikely though.

      Comment

      Working...
      X