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Unread 01-04-2014, 20:42
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Nuts N' Bolts
AKA: Skye Leake
FRC #0876 (Thunder Robotics)
Team Role: Mentor
 
Join Date: Nov 2012
Rookie Year: 2011
Location: Northwood, ND
Posts: 259
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Re: Swerve Drive Control

Quote:
Originally Posted by cjl2625 View Post
Our team has gone through a few joystick options, but we've settled on double joysticks.
We have one joystick that has X/Y axes used for strafing, and second 3d joystick where we only use the Z axis (for rotation).
Xbox controller comes in second-- X/Y on the left for strafing, and X on the right for rotation
As for a single 3d joystick, I find it really hard to control
That is what I figured most teams were doing. I want this to be an integration with tank drive if at all possible, I would hate for our drivers to completely learn a new scheme of controls. However if the scheme that you described first seems to work I'll give it a try, I just wish there was a better method for rotation.

With this robot built in the off season our drivers will have plenty of time to practice. Thanks.

Quote:
Originally Posted by Tyler2517 View Post
Mechanically i would like to see how you plan on using window motors to steer with out using a coaxle.

One more thing to watch for is the wires getting tangled up if you are not running a coaxle.
The window motor simply turns the bracket the wheel is mounted on, it's a proven concept.
If the modules are limited to a rotation of 90 degrees I don't see wire tangling being an issue.


Other thoughts:
In response to the xbox controller, I was thinking on using the analog triggers to control rotation.

Would handling rotation through the use of buttons (off of the cypress board) be a feasible control scheme? Or too hard to control?

Last edited by Skyehawk : 01-04-2014 at 20:51.