Some FLL submerged runs
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- Опубліковано 16 вер 2024
- This is simply a few runs that I have been working on. I aim to max out the board, and to have a full run posted in early September.
I am an individual doing this board recreationally, although I did compete on masterpiece last year (I went to the Florida sunshine invitational) I notice this board is significantly more difficult that last year.
In terms of coding, I use a modified PID that I call PUDI. (Proportional urgency derivative-integral) I plant to make a video about in in the future, but to simply explain it, the main differences are that I combine integral and derivative, and that I use the raw gyro rate for the derivative. Putting it in a myblock has saved me at least ten hours of coding.
My advice for teams this year it to focus on the mission plan, and there is a large difference in points-versus-effort ratio across the board . For example, teams can get 20 points by just pushing in the bar on m09, whereas removing the second trident piece (which took me 4 hours to figure out) only gets teams 10 points
Good job man
Your solutions are brilliant. However, for the last mission involving the boat, please refer to rule 17 in the rulebook: "If the robot or any object(s) it was in contact with were completely outside the home area: Teams may hand them to either home area... Any returned object obtained outside home after the robot was last launched must be given to the referee for the remainder of the match."
This means that all items will be handed over to the referees, preventing you from scoring with any of them. Please correct me if I got it wrong.
Hope your team good luck !
All objects the robot was in contact with when I interrupt it were obtained before the robot was sent out for that mission. I am currently working on a mission in which the robot yoinks the boat and returns to home, then I affix the boat and realign the robot for the mission shown
Your solution is very impressive but I need you to teach me how to make such robot design and the attachment.
If you have any platform purposely for design I need you to refer me.
Thank you.
Till I hear from you
@@idrissadamuchindo4944 I cannot share building instructions as it would very much violate the spirit of first Lego league. I also do not use any online platforms to aid me in my design. I am glad to be helping teams, but if possible, I typically avoid sharing contact information online. Feel free to ask questions in the comment section, and I will try my best to answer them.
How do you resolve accurate navigation problem? Using pid? Usually how much offset will be accepted accurate navigation for 1.5meter drive?
I use a modified version of pid that I will make a video on soon. I find that the majority of inaccuracies originate in acceleration and deceleration, so after about 40 centimetres, accuracy barely decreases with more distance. To answer your question, the robot has a margin of error about 2 studs in either direction after driving 1.5 meters if the wheels are clean and the battery is charged, permitting gyro drift.
@@FLLshenanigans thx a lot, very helpful info, I also found the starting jerk/drifting is the biggest contributor for inaccuracy and accelerattion code can improve it. In term of 2stud drifting after 1.5meter, how do you mitigate that drifting to achieve the tasks, any tips to share, we use passive trumpet design to mitigate it but it doesn't work on all tasks
@@tedsun2736 with relation to the 2 stud margin of error, that really just comes down to mission planning and knowing what missions can’t be mechanically aligned to, and then avoiding doing them at the tail end of a long robot mission. A robust acceleration algorithm is
diabolically complicated for most FLL teams to figure out (requiring knowledge and experience with material from the math 20 curriculum where I live), so after my next robot run video, I will likely make a tutorial video about how to make such a program.
FLLshenanigans whats your team name? I do fll im on the tech titans
In general, please avoid asking FLL content creators for building instructions. It is a large hassle to respond to such comments and asking violates the spirit and rules of FLL. I am sharing this content because I am passionate about first Lego league and to inspire teams to create their own solutions, not to spoon feed teams solutions that I created.
Im on The Lego My Ego Cows
Very nice.
How did you make the arm move like that? Can you show me the gears and how they are working together?
There are several arms powered by gears, so you’ll need to be more specific for me to answer your question
@@FLLshenanigans The arm that you are using for mission 8 and mission 13. Looks like you are using the same arm for both. Very nice you can do both with one arm. I like to know how you did that.
Can the trident be broken into half and will the points still be counted?
Yeah, but there's more points if you get the full trident
Are you on a Fll team?
I’m an individual doing this for fun.
Hi ! I'm really impressed with a lot of your solutions. Do you have an email/contact where we can potentially collaborate and share solution ideas? (I am also an individual doing the board recreationally but I'm also mentoring a team)