Subject:
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Simulating pneumatic sequencers, was Re: Pneumatic Quadraped 242
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Newsgroups:
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lugnet.technic, lugnet.robotics
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Date:
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Wed, 26 Nov 2003 14:08:11 GMT
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Viewed:
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2576 times
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>
> I also spent a lot of time this week writing up a page about pneumatic
> sequencers (http://www.kclague.net/Sequencer). It is not done, because I don't
> have all the movies finished, but I thought I'd put it up for those who might be
> interested.
Hi Kevin and all,
I wanted to experiment with your sequencers without fussing too much with time
consuming building, so I used simulation...
I used a free electronics simulator, CircuitMaker Student
(http://www.microcode.com/downloads/student.htm). Piston + switch are equivalent
to an RS flip-flop, and you can add tubing (wires...), AND gates and SCOPE
displays. A good tutorial and help file are provided with the program.
Here are two screen captures of two simulated sequencers from your paper:
http://www.brickshelf.com/gallery/Philo/Misc/2pistons.gif
http://www.brickshelf.com/gallery/Philo/Misc/3pistons4switches.gif
Caveats:
- this does not simulate mechanical loading or speed variations between pistons
(perhaps adding delay line can simulate that - not tested)
- it's much more fun to build real sequencers ;o)
Cheers,
Philo
www.philohome.com
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Message has 3 Replies:
Message is in Reply To:
 | | Re: Pneumatic Quadraped 242
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| I got a new web site with plenty of room, so I've uploaded Quad242 movies. The website is (URL) As usual, my creations are listed in chronological order, so Quad242 ((URL) is at the end of the creation list. There are movies for walking forward and (...) (20 years ago, 24-Nov-03, to lugnet.technic, lugnet.build, lugnet.robotics)
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