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Analog Computer No. 1

In this project, I will use modern components to create a simple, old-fashioned, analog computer to explore the world of analog computation

VPugliese323VPugliese323
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  • DARPA UPSIDE
  • WIRED Article
op amp Homebrew CPU Signals Processing Analog Computer

This project was created on 08/13/2014 and last updated 8 years ago.

Description

In our world today, a number of organizations, individuals, and institutions require computers that can perform advanced signals processing. Currently, digital computation is used in signals processing however digital computation is rigid (because of its Boolean nature and the continuous nature of signals) and consumes large amounts of power. In response to this, DARPA has created Project UPSIDE whose goal is to research probabilistic computing methods (which are inherently analog) that can perform the necessary calculations more efficiently while consuming less power. A secondary goal of the program is to design their computers so that they have self-configuring inputs. With the rise of neurogrid computing, one can see that analog computation will fit nicely alongside DARPA's model and view of the future of computing. At the end of this project I aim to have an open-sourced analog computer that can fit this need.

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  • NOTICE

    VPugliese323 • 08/21/2014 at 13:09 • 0 comments

    Work on this project will begin after I have finished work on my Hackaday Prize entry found here: http://hackaday.io/project/1333

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Bruce Land wrote 08/13/2014 at 12:34 • point
The first computer I learned to program was analog in 1964. They are hard to beat for getting a feel for differential equations. I did simulate a analog computer on FPGA, which is different, but MUCH faster. http://hackaday.io/project/259-Simulating-an-analog-computer-on-a-FPGA

  Are you sure? yes | no

VPugliese323 wrote 08/13/2014 at 15:26 • point
I like your approach. Despite the similar theme, I find it interesting how different our objectives are. You used an FPGA whereas I am using the traditional op - amps. Your's is designed to perform differential equations, whereas my goal is to make one that can perform image processing algorithms on simple bitmap images.

On a side note, I was wondering if you have any advice you could give me based on your experience with analog computation.

  Are you sure? yes | no

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