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Unread 22-01-2011, 19:23
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Re: Video of Mecanum Drive Running Circles Around 6 Wheel Drives

Quote:
Originally Posted by PayneTrain View Post
A MASSIVE problem with mecanum drive this year, just as you could have had the issue in Breakaway last year with our mecanum bot, is the steel plates under the carpet.

Our build lead and I ran some simple vector addition, and realized that any mecanum wheel on a slight incline like the steel plates under the towers can and likely will cause 20% of the force lost on one wheel diagonally opposite to one on the incline, and transferred to the wheel on the incline. This will cause you to lose significant control of the robot
Until and unless the normal force on any wheel becomes small enough to cause that wheel to slip, the force reduction has no significant effect on the kinematics of the mec drive.


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