Referenced Items are not available for this document.
The fiber-optic-conveyed, laser-induced fluorescence of a thermographic phosphor was used to measure the surface temperature of the rotor in an operating permanent-magnet motor. The technique uses a pulsed laser to interrogate a surface-bonded film of europium-doped lanthanum oxysulfide for the purpose of determining its temperature-dependent, exponential-decay lifetime. By using digital-delay circuitry to control the measurement systems timing, the authors achieved spatial resolutions of better than 2 mm at speeds of up to 700 rotations/s. The precision of the temperature measurements was 0.3°C. The details of the measurement system are presented and discussed
Published in:
Instrumentation and Measurement, IEEE Transactions on
(Volume:37
,
Issue:
4
)
Date of Publication: Dec 1988
- Page(s):
- 637 - 641
- ISSN :
- 0018-9456
- INSPEC Accession Number:
- 3332173
- Digital Object Identifier :
- 10.1109/19.9829
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Dec 1988
- Sponsored by :
- IEEE Instrumentation and Measurement Society
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