ELECTRONIC NOSE


Computer Engineering
electronics Engineering
Civil Engineering

There have been many developments in electronics to create real life environments with respect to sight and sound. But there are three other significant senses- smells, touch and taste which have not been experimented much with. The sensor technology of artificial olfaction had its beginnings with the invention of the first gas multi sensor array in 1982. Advances in aroma-sensor technology, electronics, biochemistry and artificial intelligence made it possible to develop devices capable of measuring and characterizing volatile aromas released from a multitude of sources for numerous applications. These devices, known as electronic noses, were engineered to mimic the mammalian olfactory system within an instrument designed to obtain repeatable measurements, allowing identifications and classifications of aroma mixtures while eliminating operator fatigue [1]. A few smell-sensing instruments had been proposed in narrow applications earlier in the 1960




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