Subject:
|
Re: New technique: Cascaded Trinary Pneumatics (aka mid-stop)
|
Newsgroups:
|
lugnet.technic, lugnet.robotics
|
Date:
|
Fri, 14 Oct 2005 22:31:07 GMT
|
Viewed:
|
5242 times
|
| |
![Post a public reply to this message](/news/icon-reply.gif) | |
In lugnet.technic, Mark Bellis wrote:
<snip>
> I've taken some photos and will post them as soon as they come back from the
> developers. They will include the trinary system in all positions, as well as
> the Octopus Arm logic that I mentioned earlier. There will also be my earliest
> use of my trinary actuation mechanism and a pressure limiter (I'm sure quite a
> few people have their own versions of the latter).
>
> I took the actuation stage and the steering stage from my earlier work and added
> a combination of the two in the middle to make two cascading stages.
>
> I hope this will be useful for your walkers Kev. It's different from the way
> you were doing it. I have used opposing pistons for more power, and also extra
> frame members in tension to improve strength.
>
> The mechanism works quite well but I will keep improving it, probably by beefing
> up the power to improve reliability (with apologies to vegetarians :-) ). This
> might involve adding more cylinders to ensure that the mechanism reliably
> reaches its maximum distance from the centre position in both directions. The
> switch connections and the actuation mechanism that keeps the switch levers
> exactly the right distance apart are my own unique designs, which work well.
>
> I remember how it took quite a while to work out exactly how far apart the
> switch levers needed to be and which parts to use to achieve that distance.
>
> I wish my digital camera would arrive so that I could speed up posting!
>
> Mark
Mark,
Any news on this effort? I'm intrigued by the thought of another mid-stop
mechanism.
Kev
|
|
Message is in Reply To:
20 Messages in This Thread: ![New technique: three position piston control -Kevin L. Clague (24-Sep-05 to lugnet.technic, lugnet.robotics, lugnet.announce.moc)](/news/x.gif) ![](/news/246.gif) ![Re: New technique: three position piston control -Mark Bellis (25-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: New technique: three position piston control -Kevin L. Clague (25-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: New technique: three position piston control -Sigurd van Strakenburg (2-Oct-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: New technique: three position piston control -Kevin L. Clague (2-Oct-05 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: New technique: three position piston control -Kevin L. Clague (26-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: New technique: three position piston control -Kevin L. Clague (28-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: New technique: three position piston control -Mark Bellis (28-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: New technique: three position piston control -Kevin L. Clague (28-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: New technique: three position piston control -Mark Bellis (30-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![New technique: Cascaded Trinary Pneumatics (aka mid-stop) -Mark Bellis (3-Oct-05 to lugnet.technic, lugnet.robotics, lugnet.announce.moc, lugnet.loc.uk)](/news/x.gif) ![](/news/246.gif) ![Re: New technique: Cascaded Trinary Pneumatics (aka mid-stop) -Kevin L. Clague (3-Oct-05 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![You are here](/news/here.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Pictures of New technique: Cascaded Trinary Pneumatics (aka mid-stop) -Mark Bellis (15-Oct-05 to lugnet.technic, lugnet.robotics, lugnet.loc.uk, lugnet.announce.moc)](/news/x.gif) ![](/news/46.gif) ![Re: Pictures of New technique: Cascaded Trinary Pneumatics (aka mid-stop) -Kevin L. Clague (15-Oct-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: Pictures of New technique: Cascaded Trinary Pneumatics (aka mid-stop) -Mark Bellis (15-Oct-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: Pictures of New technique: Cascaded Trinary Pneumatics (aka mid-stop) -Kevin L. Clague (16-Oct-05 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: Pictures of New technique: Cascaded Trinary Pneumatics (aka mid-stop) -Mark Bellis (17-Oct-05 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: New technique: three position piston control -Nathan Bell (26-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: New technique: three position piston control -Sigurd van Strakenburg (27-Sep-05 to lugnet.technic, lugnet.robotics)](/news/x.gif)
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|