eddyMOTION software


eddyMOTION is a powerful windows software used in conjunction with the TX-Driver. The targeted area of application is the visualisation and documentation of mechanical motion and the on-site linearisation of eddy current sensors.

 

Available as a Free download

 

eddyMOTION as analysis tool

eddyMOTION is made up as an universal analysis tool for the USB based data stream from the TX-Driver. The requirements in signal analysis can be of various nature - therefore eddyMOTION is structured in several modules. The different modules can be used to monitor fast and slow motion. The measured data can be displayed in the time- and in the frequency domain. The underlying sampling rates are 22.5 kSa/s in the two channel version and 38 kSa/s in the single channel version.

eddyMOTION  offers an Oscilloscope function and further features as FFT analyser, Waterfall and Data logger. eddyMOTION also enables the on-site linearisation of eddy current sensors with an active feedback system.

 


Sampled data is displayed with basic measurements in the style of a classical oscilloscope

Triggering a tuning fork
  •  single- and dual-channel oscilloscope. Samplingrates: 38 kSa/s (single); 22.5 kSa/s (dual)
  • AC/DC-coupling
  • variable time base 14ms...5sec
  • scaleable Y-axis & autoscale function
  • user-defined trigger level, hysteresis and pre-trigger, trigger source, falling and rising edge
  • essential measurements on dynamic data can be taken: amplitude, frequency, max & min values
  • data export as image (bmp) and text file

Fast-Fourier transformation. Spectral analysis of mechanical motion. Analysis of fundamental oscillation and harmonics

Spectrum of a tuning fork
  • visualisation of the frequency spectrum up to 19kHz (single-channel); 11.25kHz (dual-channel)
  • threshold value for frequency detection can be selected
  • detection of frequencies and amplitudes
  • scalable frequency axis
  • data export as image (bmp) and text file

 


The waterfall is a classical FFT expanded with a time axis.

Waterfall of a tuning fork
 
  • spectrum like the two-dimensional FFT expanded
    with a time axis
  • scalable frequency axis
  • 3D-view can be rotated
  • movable analysis plane along the time axis
  • detection of frequencies and amplitudes within the anaylsis plane
  • export as image

 


The rpm-based waterfall is a FFT expanded with the rpm-axis of a rotating shaft.

RPM-based waterfall of an overcritical rotating shaft.
  • spectrum like the two-dimensional FFT expanded
    with a rpm axis
  • scalable frequency axis
  • 3D-view can be rotated
  • moveable analysis plane along the rpm axis
  • detection of frequencies and amplitudes within the analysis plane
  • export as image

 


Mobile linearisation of eddy current sensors and calibration

Illustration of typical errors on eddy current systems.
  • linearisation of current sensors with a linear stage
  • on-site calibration
  • elimination of scaling and linerisation errors

 

 

 
 
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