Electrical signature analysis applications for non-intrusive automotive alternator diagnostics

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Description

Automotive alternators are designed to supply power for automobile engine ignition systems as well as charge the storage battery. This product is used in a large market where consumers are concerned with acoustic noise and vibration that comes from the unit. as well as overall quality and dependability. Alternators and generators in general are used in industries other than automotive, such as transportation and airline industries and in military applications. Their manufacturers are interested in pursuing state-of-the-art methods to achieve higher quality and reduced costs. Preliminary investigations of non-intrusive diagnostic techniques utilizing the inherent voltage signals of alternators have been ... continued below

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11 p.

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Ayers, C.W. March 1, 1996.

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Description

Automotive alternators are designed to supply power for automobile engine ignition systems as well as charge the storage battery. This product is used in a large market where consumers are concerned with acoustic noise and vibration that comes from the unit. as well as overall quality and dependability. Alternators and generators in general are used in industries other than automotive, such as transportation and airline industries and in military applications. Their manufacturers are interested in pursuing state-of-the-art methods to achieve higher quality and reduced costs. Preliminary investigations of non-intrusive diagnostic techniques utilizing the inherent voltage signals of alternators have been performed with promising results. These techniques are based on time and frequency domain analyses of specially conditioned signals taken from several alternators under various test conditions. This paper discusses investigations that show correlations of the alternator output voltage to airborne noise production. In addition these signals provide insight into internal magnetic characteristics that relate to design and/or assembly problems.

Physical Description

11 p.

Notes

OSTI as DE96006705

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  • 50. meeting of the Society for Machinery Failure Prevention Technology, Mobile, AL (United States), 22 Apr 1996

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  • Other: DE96006705
  • Report No.: CONF-9604111--1
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 211610
  • Archival Resource Key: ark:/67531/metadc664651

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  • March 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Jan. 19, 2016, 1:03 p.m.

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Ayers, C.W. Electrical signature analysis applications for non-intrusive automotive alternator diagnostics, article, March 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc664651/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.