Chief Delphi - VIDEO: team 1528 drive train experiment

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Re: VIDEO: team 1528 drive train experiment

Quote:

Originally Posted by Joyride_67_1902 (Post 963357)

Nona-drive is a 9 wheeled robot 5 omni wheels 4 "treaded" wheels. There is an omni wheel in the center of the robot that runs perpendicular with the rest of the wheels, then at each of the corners there is a "pivoting system" that lifts the treaded wheels off the ground so the omni wheel in the center of the robot will then be able to drive the robot on its axis.

Thats my basic shake down about the concept.

Andrew

Any idea where we could find some pics or something? I'm intrigued!
Tried some google searches, couldn't find anything though...

Re: VIDEO: team 1528 drive train experiment

Quote:

Originally Posted by CENTURION (Post 964140)

Any idea where we could find some pics or something? I'm intrigued!
Tried some google searches, couldn't find anything though...

This was the drive system that 148 and 217 developed and implemented this year.

You should check out this thread.

Re: VIDEO: team 1528 drive train experiment

Quote:

Originally Posted by CENTURION (Post 964140)

Any idea where we could find some pics or something? I'm intrigued!
Tried some google searches, couldn't find anything though...

JVN also included some CAD renders of their (148's) robot in the build diary he made this year.

--Ryan

Re: VIDEO: team 1528 drive train experiment

Quote:

Originally Posted by MrFixIt2719 (Post 963176)

http://www.youtube.com/watch?v=q2VX6vitq5s

in the off season we experiment with different drive train and other ways to improve our robot for the off-season events so let me know what you think

Very well implemented, though I'd consider game-by-game whether you really need supershifters. Something lighter, depending on your ratio. We've put shifters on robots with omnis, but not often (or at least not wisely) and only after considering our exact strategy. You won't be pushing.

I'd also think hard about exactly how you--or rather, your drivers--want to control it. Consider it, design it, code, test it, and then test it again. And again... I've seen teams (ours included), regardless of programmer skill, have serious problems in this area with such agile drivetrains. Leave time for driver practice!

Re: VIDEO: team 1528 drive train experiment

Quote:

Originally Posted by Siri (Post 964363)

I'd also think hard about exactly how you--or rather, your drivers--want to control it. Consider it, design it, code, test it, and then test it again. And again... I've seen teams (ours included), regardless of programmer skill, have serious problems in this area with such agile drivetrains. Leave time for driver practice!

While your point is still completely valid, I'd just like to add that one of the benefits of a slide drive is how easy it is to control with the most rudimentary of code. If I didn't know better, I'd make one myself! o.0

Re: VIDEO: team 1528 drive train experiment

Quote:

Originally Posted by Siri (Post 964363)

it was easy to control anyone who know how to play first person shooter games like halo or call of duty could drive it. the drive run off the same controls on an xbox 360 controller left joystick is forward, back, right, and left and the right joystick is spin left or right

Re: VIDEO: team 1528 drive train experiment

Just out of curiosity, how do you have the controls set up? I've personally always disliked those funky Halo and Pacman type setups. Assuming a handheld controller I was sort of thinking along the lines of a standard tank drive for the 4 outer parellel wheels (for primary driving) and then using the L and R triggers to drive the 2 perpendicular wheels either Right or Left (for strafing). This way the robot is very easy to drive but still fully mobile in every direction using a combo of joysticks and L/R.

Anyways, really cool project, I personally prefer slide drives over mecanum wheels and this one looks very nice.

Edit: Answered above

Re: VIDEO: team 1528 drive train experiment

Quote:

Originally Posted by BJC (Post 981793)

we run our controls from a xbox 360 controller and run it like halo, i do like how you explain yours with using the triggers for the straffe options whiich would prolly be a little easier especially in controlling because i have notice with the way we drive it with the halo drive that sometimes when just trying to drive straight if the joystick is a slight to the left i straffe left a bit the triggers could cut that down but i run the halo drive cuz i have played halo and call of duty so much i am use to running it that way but like the idea of using the triggers now time to implement some way to get of pushing power

thanks for looking at it :)