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Here's next week's video, early for Patrons. This one goes put publicly on Tuesday 1st Nov. 

It's a 'simple' bipedal robot built in two weeks!

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I’ve built quite a few walking robots in the past. If you head right back to the start of my YouTube channel there are quite a few large robots that could just about hobble along made out of wood and driven by windscreen wiper motors and other parts I could get hold of. I built these early in this century in the room of a house share I use to live in, which is why there’s a bed in the corner of the shot. I’ve moved on quite a bit since then to some robot dogs that I’ve built recently, but a few years ago I built some bipedal robots like RobotX and my Walking Gonk Droid. These actually had a sense of balance, using an inertial measurement unit to read how far they were leaning over and make the motors respond accordingly to keep them upright. That can be quite tricky though and most of what’s on YouTube is the good cuts of footage where it worked just about ok. I’ve taken some of these projects to events like Maker Faires, and you’ll always find one person… So in this video I’m going to build that simple sounding robot which just shifts is mass to one side and moves the other foot to take a step. You can support me on Patreon or buy my Merchandise: *************************** Patreon: https://www.patreon.com/xrobots Merchandise: https://teespring.com/stores/james-bruton *************************** Affiliate links - I will get some money of you use them to sign up or buy something: *************************** Matterhackers 3D printing supplies: http://www.matterhackers.com?aff=7500 Music for your YouTube videos: http://share.epidemicsound.com/xrobots *************************** Other socials: *************************** Instagram: https://www.instagram.com/xrobotsuk Facebook: https://www.facebook.com/xrobotsuk/ Twitter: https://twitter.com/xrobotsuk *************************** CAD and Code for my projects: https://github.com/XRobots Huge thanks to my Patrons, without whom my standard of living would drastically decline. Like, inside out-Farm Foods bag decline. Plus a very special shoutout to Lulzbot, Inc who keep me in LulzBot 3D printers and support me via Patreon. HARDWARE/SOFTWARE Below you can also find a lot of the typical tools, equipment and supplies used in my projects: Filament from: https://www.3dfuel.com/ Lulzbot 3D Printers: http://bit.ly/2Sj6nil Bearings from: https://simplybearings.co.uk/ Lincoln Electric Welder: https://bit.ly/2Rqhqos CNC Router: https://bit.ly/2QdsNjt Ryobi Tools: http://bit.ly/2RhArcD Axminster Micro Lathe: http://bit.ly/2Sj6eeN 3D Printer Filament: http://bit.ly/2PdcdUu Soldering Iron: http://bit.ly/2DrNWDR Vectric CNC Software: http://bit.ly/2zxpZqv Why not join my community, who are mostly made up of actual geniuses. There’s a Facebook group and everything: https://www.facebook.com/groups/287089964833488/ XROBOTS Former toy designer, current YouTube maker and general robotics, electrical and mechanical engineer, I’m a fan of doing it yourself and innovation by trial and error. My channel is where I share some of my useful and not-so-useful inventions, designs and maker advice. Iron Man is my go-to cosplay, and 3D printing can solve most issues - broken bolts, missing parts, world hunger, you name it. XRobots is the community around my content where you can get in touch, share tips and advice, and more build FAQs, schematics and designs are also available.

Comments

James Helms

Yeah! I guessed right. Is there any sort of dynamic balancing going on in the upper section? Really interesting. Thanks

Anonymous

Great robot and video, looks like another Gonk droid to me! Would be cool to see if you could replicate that mass shifting with a flywheel or some sort of gyroscopic stabilisation, but I guess that could cause too much roll instability.

Anonymous

Lol, reminds me of The Wrong Trousers from Wallace and Gromit

Pete Mertz

for the love of god, please bring the Beardy McHatterson character back in every video. I love him.

XRobots

The point is that there isn't - because if it's moving that fast then we have the reaction force of all the other joints to deal with as well. I'd like to attempt another dynamically stable Biped at some point though.

XRobots

The whole thing would have to be dynamically stable at that point which is a much harder task, although I'd like to attempt at some point.

Steve Martin

Well, I don't have a beard so it couldn't have been me...😳

Scott Cress

I'm going to sum up what everyone seems to be thinking both from YT and from here on Patreon. (I agree with all these comments by the way) 1. This project is awesome!! 2. Beardy McBrightidea, "Uncle James", is a great character, definitely bring him back. 2.1 This was my idea: Use the bearded idea guy as a cameo option, have Colin or any of your other compatriots play that role at some point. 3. Use a reaction wheel, use a gyroscope, use a lower center of gravity, or some more fluidic dynamic weight shifting device that might allow for more smoothed weight shifting. This is the question I'd like you to answer though. ... 4. Can you consider shifting your balancing system to an arm (two weights)system? Like how humans walk by alternating arms to shift the balance back and forth. yes this would actually raise the center of gravity but if the balance was maintained by swinging the arm weights on a pivot point it may move more smoothly and more quickly as two weights may be better than one giant weight.

XRobots

I think anything that moves more quickly is going to need some form of dynamic stability because momentum would build up and it would eventually overbalance, so the angle of lean needs to be constantly controlled. Also quicker steps will cause it to wobble back and forwards, so that needs controlling as well. Check out Gyrubot which uses Gyroscopes, but it does that in two axis to keep it upright: https://www.youtube.com/watch?v=DRP71htn1MU

Neil Devonshire

Farmer James should definitely become a side character, he did make me actually laugh out loud, haha.

Neil Devonshire

definitely, you coud walk around other stands and make suggestions of a similar nature ;-D