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Theoretical and experimental study of signal processing techniques for measuring hermetic compressor speed through pressure and current signals.

Number: pap. 1532

Author(s) : BURG DEMAY M., FLESCH C. A., FLESCH R. C. C., et al.

Summary

Measuring means extracting information from acquired signals. Either in the frequency or in the time, mathematical processing tools are applied to get information from measurement signals. It is usual, when processing measurement signals in the frequency domain, the application of Fourier analysis, mainly through Fast Fourier Transform (FFT) algorithms. Nevertheless, there are other digital signal processing tools that can overcome FFT performance in computation time or accuracy, and they can be very useful when extracting information from measurement signals. This paper presents some powerful mathematical tools and it shows how useful they can be, when measuring hermetic compressor speed through externally-measurable quantities.

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Pages: 9 p.

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Details

  • Original title: Theoretical and experimental study of signal processing techniques for measuring hermetic compressor speed through pressure and current signals.
  • Record ID : 30007607
  • Languages: English
  • Source: 2012 Purdue Conferences. 21st International Compressor Engineering Conference at Purdue.
  • Publication date: 2012/07/16

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