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Subject:	I was thinking about bipedal walkers this morning and....
Newsgroups:	lugnet.technic, lugnet.robotics
Date:	Thu, 18 Dec 2003 21:04:51 GMT
Viewed:	1683 times

Consider the way we walk... we start by effectively starting to lean slightly forward, and we swing a leg some distance in front of ourselves to stop from falling. We then start to bring the other leg forward as we reupright ourselves and repeat the process, each time stopping ourselves from falling with a leg that we bring forward. If we alternate legs, it is called walking and if we use the same leg each time, it is called limping. Has anyone ever tried to build or design a bipedal walker that imitates this form of motion? I'm thinking that it probably wouldn't even be possible to do without flexible knees. Is this level of sophistication even implementable in LEGO to the point that it's genuinely useful and not just a proof-of-concept? >> Mark

Message has 6 Replies:

		Re: I was thinking about bipedal walkers this morning and....
(...) Hi Mark, I have never seen a walker like this. I'd be the last person to say it can't be done. Kevin (...) (21 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)

		Re: I was thinking about bipedal walkers this morning and....
(...) Dunno but this non-LEGO robot (with knees) has been taught to run (URL) wish there was a video available on the net somewhere - I saw it on TV yesterday, and though it's difficult to tell it's running, it does seem rather more "human-like" (...) (21 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)

		Re: I was thinking about bipedal walkers this morning and....
Now, think about what physically goes into making yourself walk. How much energy and control is involved? Try walking on a flat, level surface (or better, one at a slight decline, like a very long handicap ramp). Walk with your natural gait, at the (...) (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)

		Re: I was thinking about bipedal walkers this morning and....
(...) Parallax markets the Toddler, which is a walking Robot that shifts its center of gravity to walk. It turns by sliding its feet in opposite directions. It has 34 possible movements. (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)

		Re: I was thinking about bipedal walkers this morning and....
Lots of responses to my post, so I'm following up my own post to address all of them. A lot of people are pointing out that this has been done before in the field of robotics, but what I was actually asking about is if it's been done before in (...) (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)

		Re: I was thinking about bipedal walkers this morning and....
(...) I have almost nothing to contribute to discussions re: robotics, but I spotted this marginally relevant story on cnn.com: (URL) of course. Dave! (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)

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