I was a former Robonova-1

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

I was a former Robonova-1

Post by bauermech » Mon Aug 28, 2006 1:28 am

Post by bauermech
Mon Aug 28, 2006 1:28 am

Once I was a standard RN-1, now only some servos, six brackets, and a microcontroller could say I still am. Rook's Pawn... the second generation! 8)

Image

This hybrid has 22 servos, 18 custom brackets, 7 reinforcement bars, 4 "anti-gravity" retention leg springs, 12 heat-sinks, independent leg rotation, Upper torso rotation, low-profile feet/Li-Poly enclosures w/ Kidex soles, increased degree range of motion in ankles and thighs, increased leg-gap, illuminated 'Rook's Pawn' name, and of course, gyros, accelerometer, bluetooth, grips, and camera. He's about two servo ports away from being maxxed out. He did have wrist rotation that occupied the final two ports, but made him a little more top-heavy than I liked. At this point, I'm playing it safe. :wink:

Image

No time for anodization as ROBO-ONE 10 is about three weeks away (plane departs in two) and there’s still a lot of programming to do. Needless to say, I'm freaking out a little bit, but regardless of the outcome, this'll be an experience I won't be able to surpass for a long time.
:D
Once I was a standard RN-1, now only some servos, six brackets, and a microcontroller could say I still am. Rook's Pawn... the second generation! 8)

Image

This hybrid has 22 servos, 18 custom brackets, 7 reinforcement bars, 4 "anti-gravity" retention leg springs, 12 heat-sinks, independent leg rotation, Upper torso rotation, low-profile feet/Li-Poly enclosures w/ Kidex soles, increased degree range of motion in ankles and thighs, increased leg-gap, illuminated 'Rook's Pawn' name, and of course, gyros, accelerometer, bluetooth, grips, and camera. He's about two servo ports away from being maxxed out. He did have wrist rotation that occupied the final two ports, but made him a little more top-heavy than I liked. At this point, I'm playing it safe. :wink:

Image

No time for anodization as ROBO-ONE 10 is about three weeks away (plane departs in two) and there’s still a lot of programming to do. Needless to say, I'm freaking out a little bit, but regardless of the outcome, this'll be an experience I won't be able to surpass for a long time.
:D
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Post by RedFoxDude » Mon Aug 28, 2006 5:44 am

Post by RedFoxDude
Mon Aug 28, 2006 5:44 am

Wow! That's even cooler that when I saw it at the Robogames this year! Does it balance well and move fast? The light up 'Rook's Pawn' name is a nice touch. :D
Wow! That's even cooler that when I saw it at the Robogames this year! Does it balance well and move fast? The light up 'Rook's Pawn' name is a nice touch. :D
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Post by Dimitris » Mon Aug 28, 2006 11:52 am

Post by Dimitris
Mon Aug 28, 2006 11:52 am

Wow! That's just brilliant! The pics say it all! 8) Good luck in the games!
Wow! That's just brilliant! The pics say it all! 8) Good luck in the games!
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Post by Viking » Thu Aug 31, 2006 7:06 am

Post by Viking
Thu Aug 31, 2006 7:06 am

Matt, What happend to all the other replies?? 8O

-
Matt, What happend to all the other replies?? 8O

-
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Post by tempusmaster » Thu Aug 31, 2006 7:50 am

Post by tempusmaster
Thu Aug 31, 2006 7:50 am

Viking wrote:Matt, What happend to all the other replies?? 8O

-

Viking,

You're probably thinking about the same post in the Robonova forum...

8)
Viking wrote:Matt, What happend to all the other replies?? 8O

-

Viking,

You're probably thinking about the same post in the Robonova forum...

8)
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Post by bauermech » Wed Sep 06, 2006 5:51 pm

Post by bauermech
Wed Sep 06, 2006 5:51 pm

Viking wrote:
Matt, What happend to all the other replies??

-

Viking,

You're probably thinking about the same post in the Robonova forum...



Yeah, that's what I get for duplicating posts in two different topics. I just couldn't decide where he'd fit better... here or there. :)
Viking wrote:
Matt, What happend to all the other replies??

-

Viking,

You're probably thinking about the same post in the Robonova forum...



Yeah, that's what I get for duplicating posts in two different topics. I just couldn't decide where he'd fit better... here or there. :)
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Post by DerekZahn » Fri Sep 22, 2006 9:11 pm

Post by DerekZahn
Fri Sep 22, 2006 9:11 pm

So tell us about your trip to Robo-One!

What happened to Rook's Pawn in the screening?

Any interesting stories?
So tell us about your trip to Robo-One!

What happened to Rook's Pawn in the screening?

Any interesting stories?
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Post by bauermech » Sat Sep 23, 2006 2:27 am

Post by bauermech
Sat Sep 23, 2006 2:27 am

Once I gather up my sences more, I'll have much better stuff to tell. In a nutshell... Pawn kept falling on the 8th out of the 10 steps he was required to take in the ten allocated seconds of the preliminary exam. :( That kinda' sucked, but didn't get me down too much... well, we'll say for too long. :wink: We were on the other side of the globe and interacting with many of the best robotisists on the planet. This time 'round was great, but the next will be better. We are returning in the Spring for ROBO-ONE 11 and probably hit up some J while we're there.
:D
Once I gather up my sences more, I'll have much better stuff to tell. In a nutshell... Pawn kept falling on the 8th out of the 10 steps he was required to take in the ten allocated seconds of the preliminary exam. :( That kinda' sucked, but didn't get me down too much... well, we'll say for too long. :wink: We were on the other side of the globe and interacting with many of the best robotisists on the planet. This time 'round was great, but the next will be better. We are returning in the Spring for ROBO-ONE 11 and probably hit up some J while we're there.
:D
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Walking code?

Post by Gort » Sat Sep 23, 2006 2:17 pm

Post by Gort
Sat Sep 23, 2006 2:17 pm

Are you looping the walking code? You may have too break up the steps into smaller segements. Make small adjustments in each segement too keep the robot from falling over. Did you make a video of it? That may help in making the adjustments. I would have thought the gyros would have kept the robot from felling over? My robot dos have problems with some surfaces more than others. :?
Are you looping the walking code? You may have too break up the steps into smaller segements. Make small adjustments in each segement too keep the robot from falling over. Did you make a video of it? That may help in making the adjustments. I would have thought the gyros would have kept the robot from felling over? My robot dos have problems with some surfaces more than others. :?
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Post by DerekZahn » Mon Sep 25, 2006 2:49 pm

Post by DerekZahn
Mon Sep 25, 2006 2:49 pm

bauermech wrote:We were on the other side of the globe and interacting with many of the best robotisists on the planet. This time 'round was great, but the next will be better. We are returning in the Spring for ROBO-ONE 11 and probably hit up some J while we're there.
:D

Congratulations on having such a great time, and good luck with your preparation for the next contest. Do you have a plan for what you'd like to do to RP yet?

On the small chance that I get my robot to actually work reasonably, I think it would be fun to follow your lead and travel to Japan for the next competition, sounds like it's a blast!
bauermech wrote:We were on the other side of the globe and interacting with many of the best robotisists on the planet. This time 'round was great, but the next will be better. We are returning in the Spring for ROBO-ONE 11 and probably hit up some J while we're there.
:D

Congratulations on having such a great time, and good luck with your preparation for the next contest. Do you have a plan for what you'd like to do to RP yet?

On the small chance that I get my robot to actually work reasonably, I think it would be fun to follow your lead and travel to Japan for the next competition, sounds like it's a blast!
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Post by buenodiablo » Thu Sep 28, 2006 3:06 am

Post by buenodiablo
Thu Sep 28, 2006 3:06 am

After seeing all that fun you guys had in Japan it really inspires me to get started on a robot. Sorry to hear that you didn't make the qualification, but I'm sure you'll get the bugs worked out before the next comp. It would be nice to see more competitions starting up in the US and Canada.


Jeff Robertson
Lexington, Kentucky
After seeing all that fun you guys had in Japan it really inspires me to get started on a robot. Sorry to hear that you didn't make the qualification, but I'm sure you'll get the bugs worked out before the next comp. It would be nice to see more competitions starting up in the US and Canada.


Jeff Robertson
Lexington, Kentucky
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Post by bauermech » Sun Oct 01, 2006 4:36 pm

Post by bauermech
Sun Oct 01, 2006 4:36 pm

Hi everybody, Sorry I've been so busy. I'll be posting our wonderful experience in Japan as soon as I'm better caught up w/ everything else (STILL not done). To answer some of your questions...

Are you looping the walking code? You may have too break up the steps into smaller segements. Make small adjustments in each segement too keep the robot from falling over.


We were able to make a few attempts between running back to the pits for code adjustments, but by the time we made it back on the third shot, the room was cleared. We had to do ten steps in ten seconds or less, and fell nicely within the limit, but like you said, our timing was off just enough that he'd fall. By lengthing the delay between each repitition, it gave him a chance to stabilize some... it just wasn't long enough.

I would have thought the gyros would have kept the robot from felling over?


Yeah, the gyros are nice, but no cure-all. The servos, from heavy use over the months, had much more play in them than they used to. It's a good idea to change them out w/ new ones before an event like this especially, and was able to w/ some, but I fried three or four of them previously from over-volting, and ran shy on replacements... and the funds needed to buy 'em.

Do you have a plan for what you'd like to do to RP yet?


Well, his present design isn't bad. I'd still like to mod the legs further and beef up the servos in various spots.

On the small chance that I get my robot to actually work reasonably, I think it would be fun to follow your lead and travel to Japan for the next competition, sounds like it's a blast!


I totally recommend experiencing it! It was a blast, and we learned so much...

After seeing all that fun you guys had in Japan it really inspires me to get started on a robot.


I doubt very much you'll regret it. I can't think of too much more I'd enjoy doing than "playing" around with robots. :wink:

It would be nice to see more competitions starting up in the US and Canada.


Have you checked out the RoboGames/ROBOlympics? http://www.robogames.net It's held annually in San Francisco, CA... usually father's day weekend. Hope to see you there in June! :D
[/quote]
Hi everybody, Sorry I've been so busy. I'll be posting our wonderful experience in Japan as soon as I'm better caught up w/ everything else (STILL not done). To answer some of your questions...

Are you looping the walking code? You may have too break up the steps into smaller segements. Make small adjustments in each segement too keep the robot from falling over.


We were able to make a few attempts between running back to the pits for code adjustments, but by the time we made it back on the third shot, the room was cleared. We had to do ten steps in ten seconds or less, and fell nicely within the limit, but like you said, our timing was off just enough that he'd fall. By lengthing the delay between each repitition, it gave him a chance to stabilize some... it just wasn't long enough.

I would have thought the gyros would have kept the robot from felling over?


Yeah, the gyros are nice, but no cure-all. The servos, from heavy use over the months, had much more play in them than they used to. It's a good idea to change them out w/ new ones before an event like this especially, and was able to w/ some, but I fried three or four of them previously from over-volting, and ran shy on replacements... and the funds needed to buy 'em.

Do you have a plan for what you'd like to do to RP yet?


Well, his present design isn't bad. I'd still like to mod the legs further and beef up the servos in various spots.

On the small chance that I get my robot to actually work reasonably, I think it would be fun to follow your lead and travel to Japan for the next competition, sounds like it's a blast!


I totally recommend experiencing it! It was a blast, and we learned so much...

After seeing all that fun you guys had in Japan it really inspires me to get started on a robot.


I doubt very much you'll regret it. I can't think of too much more I'd enjoy doing than "playing" around with robots. :wink:

It would be nice to see more competitions starting up in the US and Canada.


Have you checked out the RoboGames/ROBOlympics? http://www.robogames.net It's held annually in San Francisco, CA... usually father's day weekend. Hope to see you there in June! :D
[/quote]
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Post by buenodiablo » Tue Oct 03, 2006 2:10 am

Post by buenodiablo
Tue Oct 03, 2006 2:10 am

Have you checked out the RoboGames/ROBOlympics? http://www.robogames.net It's held annually in San Francisco, CA... usually father's day weekend. Hope to see you there in June! :D


Oh the wife and I are planning to attend the San Francisco Robogames again. This years was a blast. FYI I was the only North American entry for Japanesse and micro sumo this year. Kind of a let down but you guys put on a good show. I'm not sure if I'm going to bother upgrading the sumo robot or just put together a robo-one. Seems Robo-one is the place to be.
Have you checked out the RoboGames/ROBOlympics? http://www.robogames.net It's held annually in San Francisco, CA... usually father's day weekend. Hope to see you there in June! :D


Oh the wife and I are planning to attend the San Francisco Robogames again. This years was a blast. FYI I was the only North American entry for Japanesse and micro sumo this year. Kind of a let down but you guys put on a good show. I'm not sure if I'm going to bother upgrading the sumo robot or just put together a robo-one. Seems Robo-one is the place to be.
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