How can I control a single pin with electromagnetics?

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Discussion Overview

The discussion revolves around the challenge of controlling a single pin within a dense array of pins using electromagnetic methods. Participants explore various approaches to achieve independent movement of one pin in a 1x1 meter square setup with 40,000 pins, focusing on the feasibility and methods of control.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant suggests wrapping a coil around each pin to power them individually, implying this could allow for independent movement.
  • Another participant questions the feasibility of using a remote electromagnetic field to focus on a single pin without affecting its neighbors, indicating this may be a complex challenge.
  • The original poster expresses interest in insulating the pins to prevent interference from adjacent pins and considers using water or air valves as a control method.
  • A later reply humorously proposes using a CO2 laser to design an optical position controller for the pin, introducing an unconventional idea.

Areas of Agreement / Disagreement

Participants present multiple competing views on how to control the pins, with no consensus reached on the best method or approach. The discussion remains unresolved regarding the most effective way to achieve the desired control.

Contextual Notes

Participants have not fully explored the assumptions regarding the insulation methods or the technical feasibility of the proposed control techniques. The discussion lacks detailed mathematical or physical analysis of the suggested methods.

ISU20CpreE
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Hello i am an Electrical Engineering undergraduate student at Iowa State University.
My purpose here in this thread is to ask anybody interested in my idea, I am asking an educated contribution on how to control a single pin with electromagnetic waves.

Lets go by parts, the model i am trying to research is a 1x1 meter square that has 40,000 pins set every 0.5cm to each other. This makes the surface area of the square an array of symmetrical positioned pins. The part i am researching is how to control 1 pin with electromagnetics. If this is an easy way of doing it suggestions needed are what, how can I start controling that 1 pin in order to move upward or downward. Is electromagnetics a good start or perhaps I should move on to some other control method?

Thank you for your interest in this topic dear reader I wish I can read some really valuable questions in the morning and hopefully read some new ideas to do this.

Once I have controlled one pin I can control 2 and so on, the idea is simple but challenging.

Once again thank you for your time dear reader.

PS: I am going to rest ill check post first hour in the morning.
 
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You can simply wrap a coil around each pin and power each coil individually to move each pin independantly - but I'm guessing that isn't what you were planing!

If you are planning some sort of remote electromagnetic field focussed on each pin in turn and just moving a single pin without disturbing it's neighbours - tricky.
 
mgb_phys said:
You can simply wrap a coil around each pin and power each coil individually to move each pin independantly - but I'm guessing that isn't what you were planing!

If you are planning some sort of remote electromagnetic field focussed on each pin in turn and just moving a single pin without disturbing it's neighbors - tricky.

Yes indeed that's exactly what I mean how to insulate them to avoid stimulation from their neighbors. The part I was thinking is powering each pin with water or air controlled by a valve, but please if you have any idea to give me a start on this project will be really satisfying.
 
Well, if you had a good CO2 laser, you could design a optical position controller and blast the pin.:biggrin:
 

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