Signal acquisition for the analyzing and compensation of the rotating shaft oscillations

  • Authors:
  • Eugen Diaconescu;Luige Vladareanu;Emilian Lefter

  • Affiliations:
  • Electronic and Computer Science Faculty, University of Pitesti;Institute of Solid Mechanics, Romanian Academy;Electronic and Computer Science Faculty, University of Pitesti

  • Venue:
  • MACMESE'08 Proceedings of the 10th WSEAS international conference on Mathematical and computational methods in science and engineering
  • Year:
  • 2008

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Abstract

This work describes a practical method of acquisition of experimental data characterizing the motion of the shaft of a four strokes internal combustion engine. In addition, the data are analyzed with LabVIEW. A solution is given to compensate the oscillations of the rotation motion of the shaft, and render it uniform, which can be extended to other applications. First, a mathematical model of the used engine was realized. Next, using the model, a theoretical characteristic, plottable, of the motor torque and of the oscillations of our real engine was deducted. The theoretical inherent model was used for the identification and evaluation of a practical compensating solution. The measurements made in the running regime, on the simulation stand, at different rotations and torque values of the loads, with the LabVIEW system, have allowed the comparison of the experimental data with the theoretical model and the quality assessment of the adopted solution adopted to compensate irregularities.