"Integration of a handheld artificial sniffer system for customs/police inspection purposes e.g. the control of freight containers. The artificial system should be able to seek first hidden persons and second also controlled goods, illicit drugs and safety and security hazards.
The instrument consists of a gas- and vapour sampling pump unit, an enrichment unit, a desorption unit, a detection unit (sensor array) and an alarm indicator unit. The air sampling modus needs a high air flow in order to sample and enrich a lot of target gases and the detection modus needs a low air flow modus for transporting the targets after the desorption process as low diluted as possible to the detector.
The target gases cover human perspirations like carbonic acids, aldehydes, thiolic compounds and nitrogen compounds and the human breathing product CO2. Different kinds of sensors will be used so that each target can be detected as selective as possible.
For providing an estimation of the probability of the presence of humans inside the inspected area pattern recognition will be used.
The sniffer instrument will be benchmarked towards dogs and towards ion mobility spectrometry."
- /scienze naturali/informatica e scienze dell'informazione/intelligenza artificiale/riconoscimento delle forme
- /ingegneria e tecnologia/ingegneria elettrica, ingegneria elettronica, ingegneria informatica/ingegneria elettronica/sensori
- /scienze naturali/scienze chimiche/chimica organica/aldeidi
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