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mrigsby

Nellie, the Weed Picking Robot

by mrigsby Mar 2, 2015
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great job. i would like to see it pick some real weeds though because i am not sure it really can due to the short reach. it seems to me it would just bend it a bit and let go so by only breaking a few vessels in the stem it will make it tougher or stronger. you should infact make this robot arm go diagonal down to the root clamp on then reverse the arm and maybe even back up the bot itself also still clamped tight that would work to pull it out a bit better i think. really good concept! grandma would have loved to have one lol.

This design was featured on 3dprint.com!
http://3dprint.com/49171/3d-printed-weed-picking-robot/
Great Job.

This would be perfect for my front yard, but my back yard would need 10 of these or more to keep up with the weed growth.

Thank you! This has received an amazing level of publicity. It's an entry in Make/Cornell's "Pitch Your Prototype" contest http://makezine.com/pitch-your-prototype-2015/rules/ where there's a $5000. prize. It's also entered in the Hackaday 2015 competition http://hackaday.io/prize where the grand award is nearly $200,000. You (or anyone who reads this) should look at these and consider posting an entry.

Are you sure the horizontal movement would strip the plant from its roots? Have you attempted a vertical pull?

Otherwise, great work.

You're right--it needs a vertical pull! This is more a "proof of concept" than a practical machine. The base needs to be stronger, heavier and with more ground clearance. It needs two cameras, one to follow a row and one to spot weeds. Also, as you noted, it needs the ability to pull in the vertical direction (which gets into needing a heavier base and more powerful motors). Anyway, it's fun to be able to develop incrementally and that's something 3d printing facilitates.

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