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Discussion in 'Electronic Basics' started by DaveK, Sep 25, 2007.

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  1. DaveK

    DaveK Guest

    I am able to take the digital out-put data (X,Y,Z axis) from my
    accelerometer and save it to an Excell file. I can plot the data using
    but can't get a real good feel for what is really going on with the
    movement of the accelerometer. Is there software that I can down load
    this data into, view it in 3D, and be able to se it from different
    angles? I would also like be able to view the movement in real-time
    also. Ultimately, I would like to compare one person's movement
    against another's doing similar tasks. Are there any software packages
    or information out there that may lead me in the right for my
    particular application? I have limited experience with accelerometer
    and for that matter electronics. Any information would greatly be
  2. Bob Masta

    Bob Masta Guest

    Just in case you don't already know this, acceleration is the
    rate of change of velocity, which itself is the rate of change of
    position. So if you want to visualize the motion of the accelerometer
    position as it moves in space, you will need to integrate its output
    twice: Once to get to velocity, and integrate that to get position.

    Integration in the digital world is simply summation of data points.
    So the second output point of the integrator is the sum of the
    first and second input points, the third output point is the sum of
    input points 1-3, and so on.

    Best regards,

    Bob Masta

    D A Q A R T A
    Data AcQuisition And Real-Time Analysis
    Scope, Spectrum, Spectrogram, Signal Generator
    Science with your sound card!
  3. HapticZ

    HapticZ Guest

    interpreting the data correctly is 99 percent of the task.

    use a simulator that places the accelerator stationary, and uses the data to
    perform a graphic dx/dy of the wall planes as time progresses. 3d
    visualization can be very helpful in many aspects of device / result

    you may find it easier to generate many multiple images and create a GIF
    file that is easily viewed also. transparency of the bitmaps should be
    enabled to allow all planes to be viewable as they are displayed

    happy fishin!
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