Solid-state lamp with integral occupancy sensor
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Previous work demonstrated a retrofit proximity detector for fluorescent lamps using the lamp's own stray electric fields. This paper extends the retrofit sensor system to a solid-state (LED) lamp. The design and implementation of a suitable driver ("ballast") for the LED lamp is presented. Design considerations for the ballast include those relevant to lighting (e.g. color cast and dimming levels) as well as those relevant to sensing of human occupants. Two electro-quasistatic modeling approaches for the lamp sensor are discussed. Experimental data from the LED lamp sensor are presented and compared to one of the proposed quasistatic models.
Date issued
2010-02Department
Lincoln Laboratory; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer ScienceJournal
Proceedings of the 2010 Twenty-Fifth Annual IEEE Applied Power Electronics Conference and Exposition
Publisher
Institute of Electrical and Electronics Engineers
Citation
Cooley, John J. et al. “Solid-state Lamp with Integral Occupancy Sensor.” IEEE, 2010. 2305–2313. Web. © 2010 IEEE.
Version: Final published version
Other identifiers
INSPEC Accession Number: 11204707
ISBN
978-1-4244-4783-1
978-1-4244-4782-4
ISSN
1048-2334