|if you put 3 controls engineers in a room you will get 4 different way to do tuning. - FrankJ [more]|
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Yesterday 10:48 PM
Most Accurate form of Localization.
So it looks like the general consensus here is that this is not possible at the current state of rules, so from now on you ARE allowed to use reflective tape vision targets. You can also detect...
(637 views, 16 replies)
Yesterday 10:43 PM
[FRC Blog] FIRST TV and IRI Coverage
I thought the first FIRST TV show was solid and really got going in the Q&A section. I'd for sure tune into future episodes if they have an "Ask Frank" section where he answers some of the more...
(3,992 views, 31 replies)
Yesterday 10:07 PM
Beach Bot Battle 2018
Thanks Gus, We loved having you guys! It was a wonderful event, Special thanks to Daniel Eiland (MC), Eddie Melton (FTA), Mannie Lowe (scorekeeper), Chris Caddel and FIRST in Texas for...
(1,433 views, 5 replies)
Yesterday 09:43 PM
Beach Blitz 2018
Thank you for the offer. We'll handle the pit assignments after we officially release team invitations.
(3,645 views, 30 replies)
Yesterday 09:19 PM
[FF]: [OFF] China Robotics Challenge 2018
Swaps for free agent teams allowed until 3:00 AM Eastern, (Midnight Pacific), at which point lists will lock. Final Results: Tmpoles 1574 6393 6827 mman1506 ...
(1,243 views, 60 replies)
Yesterday 09:04 PM
2019 FRC events
I'm gonna guess it'll be Pitt County. I think most people have enjoyed it the two years it has been around. Level of competition has always been high there for week one/two.
(1,891 views, 19 replies)
Yesterday 08:57 PM
CRP Bracket Thickness
Currently Competition Robot Parts (CRP) sells structural brackets with a thickness of 0.080 inches and functional brackets (motor mounts, bearing plates etc.) with a thickness of 0.125 (1/8)...
(142 views, 0 replies)
Yesterday 07:39 PM
[FF]: [OFF] Gitchi Gummi Get Together Tier 2
And that’s a wrap! nomythicalbeast 3130 4009 3102 MikLast 2491 2512 7886 Thayer McCollum 2169 3244 2500 Jeremy Germita 4607 2846 3275 BrennanB 4230 1732 2177 tmpoles ...
(411 views, 25 replies)
Yesterday 06:22 PM
Fan for 775pros
I believe I opened it up for viewing. Should be working now.
(2,132 views, 23 replies)
Yesterday 05:54 PM
How hot do CIM motors get usually?
I'll definitely get some grease! I ran the motors on blocks today for 5 mins at max throttle and they barley got warm. So the electricals seem fine Thanks, I'll get a couple of stickers to be...
(734 views, 14 replies)
Yesterday 05:33 PM
Future Game Pieces
I totally agree, if Deep Space has some sort of rocket, space station situation they could have you repair it by scoring multiple shapes in different places.
(1,819 views, 26 replies)
Yesterday 04:27 PM
Being A Better Leader
We do smart goals at work. As annoying as it can be to write up reports on them every year (mostly becasue we delay doing it till the last minute), it's still the best framework I've seen for...
(881 views, 13 replies)
Yesterday 03:26 PM
CD's Unofficial Caption Contest #732
You've heard of musical chairs? This is our musical robot! Just strum here and the sound comes out the pipes there... (lower right) We're gonna be famous!
(114 views, 6 replies)
Yesterday 03:11 PM
Announcing CHS Bunnybots!
I want to add to Bryce's comments. Our team has competed in Bunnybot here in Oregon for a number of years. It has been very useful for training new members and testing new systems. This type of...
(497 views, 2 replies)
Yesterday 01:40 PM
I dont know that we've ever gotten a robot to drive straight without looking at a gyro. Too many variables: backlash in gears/chain, wheels wearing down, etc. Here's code from our 2017 robot for...
(121 views, 1 replies)
Yesterday 12:59 PM
Using an encoder and a gyro to find absolute displacement
This is a process that is used by many teams and is commonly referred to as "odometry" or "state estimation". You can basically calculate the distance traveled by the robot at a fixed interval by...
(110 views, 3 replies)
Yesterday 12:12 PM
Need for two sets of PID gains for Elevator
When it comes to PID stuff, I believe the Talon has multiple PID slots. In your elevator example you can tune for up, put those values in #1 slot and tune for down and put them in #2 slot. Which...
(811 views, 13 replies)
Yesterday 11:42 AM
Inaccurate Motion Profiling
TIL, thanks! This is the first I googled that set of terms, and boy is there a wealth of information out there. I've always found more-accurate models of this kind of thing super interesting. Just...
(531 views, 4 replies)
Yesterday 11:38 AM
paper: Modeling Subsystem Reliability
How does the math change if your drivetrain requires time for debug, and failure analysis? Breaks and damage aren't always obvious.
(454 views, 5 replies)
Yesterday 10:24 AM
6 wheel chain drive idlers and friction
I've worked with one drivetrain where we had a continuous chain, similar to what you are trying to do. Getting enough wrap of the chain around each sprocket is tricky. We had to use a bizarre chain...
(532 views, 3 replies)