Ah a Quadrotor, a helicopter. Impressive flying David ... From: Matthew Tedder To: SeattleRobotics@yahoogroups.com Sent: Tuesday, June 01, 2010 3:12 AM ...
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David Buckley
robots42
Jun 1, 2010 9:11 am
Yes BigDog seems to have to have a 'I don't like have ing my feet on the ground', or a 'the ground is too hot' algorithm wheras animals appear to find the...
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John Palmisano
palmisano@...
Jun 1, 2010 9:30 am
... Well, I haven't (acceptably) solved the basic problems of a changing spring constant yet. I just cheat, using a stiffer spring constant than I should be,...
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David Buckley
robots42
Jun 1, 2010 9:40 am
The blocks are specified to be in exact places rather than being an unknown challenge. However they are not fastened down so require extra careful ZMP, but why...
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Giuseppe Marullo
giuseppe.mar...
Jun 1, 2010 10:07 am
... Sure, it is "old" but still a good one, the sram is a real plus that the cheaper one does not have. Beware of other fpga sizes, I was about to buy a 400k...
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Matthew Tedder
teddemc
Jun 1, 2010 11:44 am
Ok.. So you are talking about if BD were re-programmed? Because as it is, it isn't going to tip-toe over a bunch of unevenly spaced lined up cinder-blocks....
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David Buckley
robots42
Jun 1, 2010 12:21 pm
I like that word shortened to Rembot, it sums them up nicely. David ... From: Matthew Tedder To: SeattleRobotics@yahoogroups.com Sent: Tuesday, June 01, 2010...
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oric_dan
Jun 1, 2010 3:43 pm
... Cinder blocks are fairly heavy, 15 or 20-pounds (10 kg). I should think a robot or human with reasonable ability to move ones foot forward or backward a...
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oric_dan
Jun 1, 2010 3:52 pm
... No reason not to re-program it to perform a certain job. Extend its capability. Even a human would have to re-program itself to the rules of the course. ...
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David Buckley
robots42
Jun 1, 2010 4:44 pm
Wel if you will use inverse kinematics. David ... From: John Palmisano To: SeattleRobotics Sent: Tuesday, June 01, 2010 3:17 AM Subject: Re: [SeattleRobotics]...
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David Buckley
robots42
Jun 1, 2010 4:45 pm
Car suspension seems to do ok, even, although rare, active suspension. Perhaps the whole general approach of robotists (sorry Assimov) is wrong. David ... ...
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Robin Hewitt
get_imaginary
Jun 1, 2010 8:18 pm
Sounds like you're living the 99% perspiration rule. Probably there's no shortcut for the pain of real-life experimentation. Computer vision is primarily an...
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David Buckley
robots42
Jun 2, 2010 12:40 am
An interesting article on work enabling searching video content http://www.technologyreview.com/computing/25439/page1/ Surveillance Software Knows What a...
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oric_dan
Jun 2, 2010 1:25 am
I was rooting around on Science Daily and ran across the SPARK project. Looks interesting - Insect Brain Computational Model. Has all the buzzwords I find...
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John Palmisano
palmisano@...
Jun 2, 2010 5:00 am
... ÚÕCar suspension doesn't really count as its not designed to store energy. A car suspension has a dampener which reduces wear on the spring, but...
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Peter Balch
peterbalch@...
Jun 2, 2010 8:27 am
... How big a deal is spring hysteresis? So long as you're using hard metal springs then isn't it negligible? Sure, if you stray into the plastic region of the...
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John Palmisano
palmisano@...
Jun 2, 2010 8:37 am
I'm referring to non-spring steel materials. I've tried using spring steel sheets, but any attempts to shape it (ie bend it into angles) damages it and ...
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David Buckley
robots42
Jun 2, 2010 9:12 am
... Nevertheless designed or no, that is what it does. Damping of some sort is going to be a fact of life unless you find some way to alter the spring ...
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John Palmisano
palmisano@...
Jun 2, 2010 10:11 am
... A quick experiment is fun, yes. But try doing the same experiment with 300 different variables over a period of 6 months, each test requiring hours of set...
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David Buckley
robots42
Jun 2, 2010 11:18 am
Materials ananysis is one thing, engineering is another, just as analysing food for fat concentration, calorific value...........is one thing and cooking is...
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Doug Bell
douglas_warr...
Jun 3, 2010 12:40 am
The voting is currently neck-and-neck between FIRST and BuildOn. Please vote. Doug Bell ... To: pnw-first@yahoogroups.com Everyone-- If you have a minute,...
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Rob Purdy
gausswave
Jun 7, 2010 3:15 am
Howdy, A friend recently gave me his collection of lego's. With it was the Mindstorms RIS. Unfortunatly like any large lego collection it's missing a part or...
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Robin Hewitt
get_imaginary
Jun 7, 2010 3:24 am
Hi Rob, I have an extra in case you don't find one locally. (I'm in San Diego) - Robin ________________________________ From: Rob Purdy <kb7wnz@...> ...
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Robin Hewitt
get_imaginary
Jun 7, 2010 3:37 am
I should add that we recently downloaded the cd contents from piratebay. Details should be in the group's message section. - Robin ...
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Rob Purdy
gausswave
Jun 7, 2010 4:06 am
Thanks I'll keep you in mind if some thing local doesn't work out. To: SeattleRobotics@yahoogroups.com From: get_imaginary@... Date: Sun, 6 Jun 2010...
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Rob Purdy
gausswave
Jun 7, 2010 4:06 am
Thanks. I seem to recall that one recently. To: SeattleRobotics@yahoogroups.com From: get_imaginary@... Date: Sun, 6 Jun 2010 20:37:35 -0700 Subject:...
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Rob Purdy
gausswave
Jun 7, 2010 6:01 am
I have the RCX 1.0 module. Will that work with the 2.0 software? To: SeattleRobotics@yahoogroups.com From: get_imaginary@... Date: Sun, 6 Jun 2010...
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Wim Lewis
wimlwiml
Jun 7, 2010 7:34 am
... The NQC software <http://bricxcc.sourceforge.net/nqc/> might work as a replacement for the software. Sounds like you'll still need the IR doohickey though....
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Peter Balch
peterbalch@...
Jun 7, 2010 9:53 am
Are you wanting the IR tower for the first mindstorms? I published a hack for a replacement many years ago. There are several copies of it on the web. Here's a...
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Rob Purdy
gausswave
Jun 7, 2010 10:16 am
Yup that's basically what I'm after. Thr IR tower or another option. So just to make sure here you basically by pass the IR with a direct connect serial...
