Multisensor analyzer detector (MSAD) for low cost chemical and aerosol detection and pattern fusion

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Multisensor analyzer detector (MSAD) for low cost chemical and aerosol detection and pattern fusion

Swanson, D.C. / Merdes, D.W. / Lysak, D.B. / Curtis, R.C. / Lang, D.C. / Mazzara, A.F. / Nicholas, N.C.

MSAD is being developed as a low-cost point detection chemical and biological sensor system designed around an information fusion inference engine that also allows additional sensors to be included in the detection process. The MSAD concept is based on probable cause detection of hazardous chemical vapors and aerosols of either chemical or biological composition using a small portable unit containing an embedded computer system and several integrated sensors with complementary capabilities. The configuration currently envisioned includes a surface-enhanced Raman spectroscopy (SERS) sensor of chemical vapors and a detector of respirable aerosols based on Fraunhofer diffraction. Additional sensors employing ion mobility spectrometry (IMS), surface acoustic wave (SAW) detection, flame photometric detection (FPD), and other principles are candidates for integration into the device; also, available commercial detectors implementing IMS, SAW, and FPD will be made accessible to the unit through RS232 ports. Both feature and decision level information fusion is supported using a continuous inference network (CINET) of fuzzy logic. Each class of agents has a unique CINET with information inputs from a number of available sensors. Simulations are being carried out at present, with actual agent testing to follow.

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Document information

Title :

Multisensor analyzer detector (MSAD) for low cost chemical and aerosol detection and pattern fusion

Contributors:

Swanson, D.C. (author) / Merdes, D.W. (author) / Lysak, D.B. (author) / Curtis, R.C. (author) / Lang, D.C. (author) / Mazzara, A.F. (author) / Nicholas, N.C. (author)

Published in:

Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Defense and Law Enforcement, 2002 ; 226-232

Proceedings of the SPIE - The International Society for Optical Engineering ; 4708

Publication date :

2002

Size :

7 Seiten, 4 Quellen

ISSN :

0277-786X

DOI :

https://doi.org/10.1117/12.479312

Type of media :