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My four-servo biped

Discussions regarding building a walking robot at home. Most of the robots participating at Robo-One competitions are custom fabricated.
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9 postsPage 1 of 1

My four-servo biped

Post by Joe » Tue Dec 12, 2006 9:43 pm

Post by Joe
Tue Dec 12, 2006 9:43 pm

Hi all,

I recently built a 4-servo biped using Lynxmotion brackets along some custom hardware. I finally got around to posting about it in my robot log. Or you can go directly to the details (including video) at http://www.strout.net/info/robotics/projects/4s1.html.

I welcome any constructive feedback.

Cheers,
— Joe
Hi all,

I recently built a 4-servo biped using Lynxmotion brackets along some custom hardware. I finally got around to posting about it in my robot log. Or you can go directly to the details (including video) at http://www.strout.net/info/robotics/projects/4s1.html.

I welcome any constructive feedback.

Cheers,
— Joe
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Post by Pev » Wed Dec 13, 2006 8:52 am

Post by Pev
Wed Dec 13, 2006 8:52 am

Joe,

Cool, I built a 6 servo one some time ago woth an SSC32 and a BasicX. Never really finished it but did get it to walk, but not as nicely as yours.

What's next? more DOFs? hope we see more as your homebuild develops.

Cheers

Pev
Joe,

Cool, I built a 6 servo one some time ago woth an SSC32 and a BasicX. Never really finished it but did get it to walk, but not as nicely as yours.

What's next? more DOFs? hope we see more as your homebuild develops.

Cheers

Pev
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Post by Joe » Thu Dec 14, 2006 7:18 pm

Post by Joe
Thu Dec 14, 2006 7:18 pm

Pev wrote:What's next? more DOFs? hope we see more as your homebuild develops.

Thanks, I'll certainly keep you posted. I'm not sure what's next in this line... I may be getting some more servos and brackets from my wife for Christmas, which would probably mean an upgrade to 6 DOF. I'm also interested in adding wireless control, probably with Zigbee or something similar.

Thanks for the feedback — it's great to have a community that understands the joys and pains of robot-building!

Cheers,
— Joe
Pev wrote:What's next? more DOFs? hope we see more as your homebuild develops.

Thanks, I'll certainly keep you posted. I'm not sure what's next in this line... I may be getting some more servos and brackets from my wife for Christmas, which would probably mean an upgrade to 6 DOF. I'm also interested in adding wireless control, probably with Zigbee or something similar.

Thanks for the feedback — it's great to have a community that understands the joys and pains of robot-building!

Cheers,
— Joe
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Post by NullARC » Fri Dec 15, 2006 4:25 am

Post by NullARC
Fri Dec 15, 2006 4:25 am

Very cool and smooth for a 4 DOF bot! Keep us posted of any additions you make...
Very cool and smooth for a 4 DOF bot! Keep us posted of any additions you make...
"She'll make point five past lightspeed. She may not look like much, but she's got it where it counts, kid. I've made a lot of special modifications myself."
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Post by Humanoido » Tue May 15, 2007 10:16 am

Post by Humanoido
Tue May 15, 2007 10:16 am

Joe, very nice robot! Have you done any more work on it, software updates, hardware and sensor add-ons, or are you working on newer models?

Pev, I would be interesting in seeing your robot - do you have any thread with postings and photos, or a web site?

humanoido
Joe, very nice robot! Have you done any more work on it, software updates, hardware and sensor add-ons, or are you working on newer models?

Pev, I would be interesting in seeing your robot - do you have any thread with postings and photos, or a web site?

humanoido
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Post by Pev » Tue May 15, 2007 2:25 pm

Post by Pev
Tue May 15, 2007 2:25 pm

Humanoido wrote:Pev, I would be interesting in seeing your robot - do you have any thread with postings and photos, or a web site?

humanoido


Sorry he has been scavanged and reused on other projects. He was built to experiment with hip rotoation prior to my Biolid arriving and had served his purpose, sorry

Pev
Humanoido wrote:Pev, I would be interesting in seeing your robot - do you have any thread with postings and photos, or a web site?

humanoido


Sorry he has been scavanged and reused on other projects. He was built to experiment with hip rotoation prior to my Biolid arriving and had served his purpose, sorry

Pev
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Post by Joe » Tue May 15, 2007 3:51 pm

Post by Joe
Tue May 15, 2007 3:51 pm

Humanoido wrote:Joe, very nice robot! Have you done any more work on it, software updates, hardware and sensor add-ons, or are you working on newer models?

I started on a version with arms (for 8 DOF total), inspired by a bot I saw at the Wonderful Robot Carnival over at robots-dreams. You can see it here.

But, alas, I couldn't make this robot stand up from a prone or supine position, which was my primary goal for that design. In addition, the whole thing was a bit flaky; it stopped working one day (i.e. wouldn't respond to serial commands at all), and I'd had enough. I put it down and never picked it up again.

Since then, I've decided (alas) that humanoid robotics are too hard for me, given my time and skill constraints. I'm working on a wheeled robot for the Trinity fire fighting challenge instead.

Best,
— Joe
Humanoido wrote:Joe, very nice robot! Have you done any more work on it, software updates, hardware and sensor add-ons, or are you working on newer models?

I started on a version with arms (for 8 DOF total), inspired by a bot I saw at the Wonderful Robot Carnival over at robots-dreams. You can see it here.

But, alas, I couldn't make this robot stand up from a prone or supine position, which was my primary goal for that design. In addition, the whole thing was a bit flaky; it stopped working one day (i.e. wouldn't respond to serial commands at all), and I'd had enough. I put it down and never picked it up again.

Since then, I've decided (alas) that humanoid robotics are too hard for me, given my time and skill constraints. I'm working on a wheeled robot for the Trinity fire fighting challenge instead.

Best,
— Joe
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Post by Humanoido » Mon May 21, 2007 8:44 pm

Post by Humanoido
Mon May 21, 2007 8:44 pm

Joe, maybe someone can help troubleshoot it for you. These humanoids are the culmination of complexity requiring lots of supportive time and energy. Please don't give it up! You've pioneered a lot of brilliant engineering. Keep it going, please.

humanoido
Joe, maybe someone can help troubleshoot it for you. These humanoids are the culmination of complexity requiring lots of supportive time and energy. Please don't give it up! You've pioneered a lot of brilliant engineering. Keep it going, please.

humanoido
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Post by Humanoido » Mon May 21, 2007 8:53 pm

Post by Humanoido
Mon May 21, 2007 8:53 pm

Pev,

Sigh...

I understand. It's the limitations we hobbyists must endure, with limited resources, time and money. In fact, with all my homebuilts, only one survived intact, and of course the new one just built has all its parts. Over time, I've frequently disassembled one creation to make a greater one. I might feel bad about it, except for the fact that each new creation is more fantastic than the last. However it would be nice to have a museum keep-place behind glass. :-)

humanoido
Pev,

Sigh...

I understand. It's the limitations we hobbyists must endure, with limited resources, time and money. In fact, with all my homebuilts, only one survived intact, and of course the new one just built has all its parts. Over time, I've frequently disassembled one creation to make a greater one. I might feel bad about it, except for the fact that each new creation is more fantastic than the last. However it would be nice to have a museum keep-place behind glass. :-)

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