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RE: AID: AID and the Orpheus Filter

From: Steven Wood   stevenikoro.com
Date: Sat, 6 Nov 2004 20:38:46 -0800

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Jeff, 

Jeff Mann Wrote: 

> Steven Wood wrote:
> 
> > The proposed groupings of whiskers that hang from the fabric of
> > interconnected parts behave much like cilia.  Each whisker will be 
> > simultaneously a sensing device and an actuator.  When the whisker 
> > senses contact, subtle waves of motion propagate (using small motors

> > at the follicles) through the group.
> > 
> > The physical side of the installation is quite mature through two
> > previous iterations.  We are at the point of needing to settle on a 
> > microprocessor platform to control the whiskers.  The demands of the

> > project on the scale of a single node are very simple: sense when a 
> > whisker has been contacted, activate nearby motor circuits according

> > to some algorithm.  The challenge is the complexity of
> > scale:  We need control of somewhere between 100-200 whiskers in 
> > order to generate the desired effect, implying that a series of 
> > controllers need to be somehow together somehow.
> 
>
> Could you clarify a little, the structure that you're describing? How
> many whiskers are in a group/node? You say you need to control 100-200

> whiskers, is that in total, or per node?
> 
> Let me assume for a moment that there are, say, eight whiskers per
> node, and so about twenty nodes. Any whisker that is touched, would 
> cause "subtle waves of motion to propagate through the group", i.e. in

> itself and the other seven whiskers in its group/node. Is that about 
> right?
>
> But why, then, do the nodes need to talk to each other? Or do you want
> the motion to propagate through all the nodes, not just within each 
> grouping? If so, how do you imagine that working?

The latter situation you describe, with motion propagating through all
the nodes, is what I would like to accomplish. 

I've posted some details about this here:
http://ikoro.com/p/orpheusfilter/dev/

Thanks for having a look!

> 
> <Jeff
> 


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