Electronic nose module with system on chip

Author

Jang, Eu-Ttum ; Chung, Wan-Young

Author_Institution

Sch. of Internet Eng., Dongseo Univ., Busan, South Korea

Volume

2

fYear

2002

fDate

2002

Firstpage

1335

Abstract

An electronic nose module with a system on chip (SoC) was developed to be used in a gas discrimination system for limited kinds of gas. An array of 4 metal oxide gas sensors with different selectivity patterns was used in order to measure the gases. A BP (Back Propagation) algorithm was designed and implemented on a CPLD of two hundred thousand gates by using the VHDL language for processing input signals from 4 kinds of gas sensors. This module successfully discriminated 4 kinds of gases and displayed the results on an LCD or LED display. The developed module could be used for various applications in the field of food process control and alcohol judgment.

Keywords

backpropagation; computerised instrumentation; food processing industry; gas sensors; neural chips; process control; programmable logic devices; system-on-chip; CPLD; SoC; VHDL; alcohol judgment; backpropagation algorithm; digital multilayer neural network; electronic nose module; food process control; gas discrimination system; metal oxide gas sensors; sigmoid function; system on chip; Algorithm design and analysis; Electronic noses; Gas detectors; Gases; Light emitting diodes; Semiconductor device measurement; Sensor arrays; Signal design; Signal processing; System-on-a-chip;

fLanguage

English

Publisher

ieee

Conference_Titel

Sensors, 2002. Proceedings of IEEE

Print_ISBN

0-7803-7454-1

Type

conf

DOI

10.1109/ICSENS.2002.1037312

Filename

1037312