LEGO NXT Rocker-Bogie Suspension Demo III

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drknuth

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Tags: exploration LEGO mars NXT robot robotics rocker-bogie rover

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This video demonstrates the rocker-bogie suspension (used by the Mars rovers) on a LEGO NXT rover climbing over a parking barrier. One can see the wheels hugging the barrier as it climbs. This prototype was developed by Knuthlab Robotics at the University at Albany, and is a beefed-up version of the one presented by Brian Bagnall in his book Maximum LEGO NXT.

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do u have building ... ( 11 months ago by latinoy642003)

do u have building instructions? or a parts list?

yea ( 9 months ago by nutsforlego)

yea

i saw it in stores! ... ( 8 months ago by boni46)

i saw it in stores! i believe it cost $200

Great idea on ... ( 7 months ago by Leyart86)

Great idea on suspensions.

WOW THATS SWEET!!!! ... ( 7 months ago by microsoft914914)

WOW THATS SWEET!!!!!!!!!!!!!!!

nasa should make ... ( 5 months ago by matthew1264)

nasa should make one and send it to mars

This suspension ... ( 5 months ago by drknuth)

This suspension design is in fact modelled after the Rocker-bogie suspension used in the Mars rovers Spirit and Opportunity who are currently exploring Mars.

Can it steer? From ... ( 5 months ago by BoffinbraiN)

Can it steer? From what I can see, the centre and front wheels are powered by left and right motors, and the rear wheels share the third.

This prototype ... ( 5 months ago by drknuth)

This prototype cannot steer. The goal here was to work with the suspension system. Adding a differential on the back axle would enable the rear wheels to both be powered by the same motor and turn independently. Then by controlling the power to the front wheels, you could have differential steering. We are currently building one of these that is about 3 times bigger in my lab. It will have two motors on each of the six wheels. So the wheels can drive and steer independently.

you know idk why ... ( 4 months ago by YTPpoopers)

you know idk why the whole mindstorms nxt came w/ 3 servos.... lol

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