Author Topic: walking chair  (Read 4529 times)

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Offline AdminTopic starter

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walking chair
« on: November 28, 2006, 03:03:40 PM »
Interesting leg actuators on this stair climbing walking chair thingy . . .

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Offline Militoy

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Re: walking chair
« Reply #1 on: December 06, 2006, 10:03:58 AM »
The walker is very interesting Ė but I canít tell if it has its own stability control, or if itís just being controlled by a very skilled driver. It looks kind of tippy in any case, and Iím not sure I would want to try it out on the stairs! I got the feeling from the sound, that the actuators might be linear motors, or leadscrews, as opposed to pneumatics, but I canít tell for sure from the resolution of the video.

Offline Dosbomber

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Re: walking chair
« Reply #2 on: December 08, 2006, 12:50:50 PM »
I wouldn't want to tumble down the stairs sitting on that thing.  Appears that would scale up from a few bruises and maybe a broken bone or two, to a broken spine/neck and crushing injuries.

Maybe a roll cage?
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Offline AdminTopic starter

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Re: walking chair
« Reply #3 on: December 08, 2006, 08:45:35 PM »
Quote
I wouldn't want to tumble down the stairs sitting on that thing.

and thats why they got people walking really close to catch it  :P

Offline michael1st

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Re: walking chair
« Reply #4 on: April 28, 2007, 07:21:50 AM »
tht is amazin! :o imagine if they cud use tht sort of stuff on wheel chairs then disabled ppl cud go up nd dwn stairs without lookin for a lift!

Offline Hal9000

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Re: walking chair
« Reply #5 on: April 28, 2007, 04:35:31 PM »
I'm under the impression that the Honda robot (the name escapes me for some reason) has to have steps made for it.

I think with this one, the same would probably apply.

But then, i'm probably jealous. lol.
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Offline AdminTopic starter

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Re: walking chair
« Reply #6 on: April 28, 2007, 04:37:42 PM »
Oh I forgot to mention that I saw an ICRA presentation by the guy who worked on the actuators for this thing. They used dual linear actuators - a single motor that pushes a rod up and another rod down.

This effectively doubles the speed of the actuator.

Offline Tsukubadaisei

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Re: walking chair
« Reply #7 on: April 29, 2007, 12:31:54 AM »
Toyota has some of those chairs as well.
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