Skid-Steer Goes Outside!

Bill Chennault

All--

Here are links to two movies of "Skid-Steer" outdoors. As you can see, power is not a problem. (Again, pardon me for the poor movie quality.)

From the rocks to the grass, turn around (and then some)·and back . . .
http://www.billnkc.com/images/Robotics/Crawler/SS-10-29-07b.mpg

Rock crunching . . .
http://www.billnkc.com/images/Robotics/Crawler/SS-10-29-07c.mpg

I will work on my movie making skills. Must be the equipment. [noparse]:)[/noparse]

--Bill



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You are what you write.

Whit

Looks great! Strong too!

For a good addition, look at this - http://www.parallax.com/dl/mm/video/boebot/TankWithMemsic.WMV
This is the BOE Bot with tank tracks·and an accelerometer to help it avoid flipping itself. A nice self-protection device - nothing as helpless as a turtle or bot on its back. With the power you have, it might try to climb a wall!

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Whit+


"We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths." - Walt Disney

Post Edited (Whit) : 10/29/2007 10:02:16 PM GMT

Bill Chennault

Whit--

I think I have several Memsic tilt sensors. I know I have at least one. It will find its way on the skid-steer, for sure.

In the movies, when it hits the grass it immediately begins to ramp down. This is purely luck! I am running the same code I did in the house on the carpet. It gets a lot better traction on the rocks and in the grass than it does on the carpet, though. I'll have to think about that. I need some kind of absolute position encoder thingy. A little·floating wheel on each side with encoders? That way, I would always know which side was where and if it had slipped do something to make up for it.

--Bill

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You are what you write.