DocumentCode :
3371651
Title :
An integrated wireless electronic nose system integrating sensing and recognition functions
Author :
Chen, Hung Tat ; Bermak, Amine ; Khalifa, Adam ; Martinez, Dominique
Author_Institution :
Dept. of ECE, Hong Kong Univ. of Sci. & Technol., Hong Kong, China
fYear :
2010
fDate :
May 30 2010-June 2 2010
Firstpage :
2798
Lastpage :
2798
Abstract :
Electronic nose (EN) system based on an array of gas sensors and its recognition techniques have been widely investigated in recent decades. However, the integration of a portable EN system is not mature yet. We present an integrated EN system based on an array of gas sensor fabricated in our in-house foundry. A data acquisition technique based on a resistance-to-time conversion is proposed enabling to remove the need for an analog-to-digital converter enabling to reduce the power consumption and area. This ADC-free system is implemented in a multi-chip platform and enabling gas sensing and recognition functionalities. This system is compact, low cost and low power which is suitable for portable applications. Both sensing and recognition operations have been successfully demonstrated in our demo system.
Keywords :
analogue-digital conversion; electronic noses; ADC-free system; analog-to-digital converter; data acquisition technique; gas recognition functionality; gas sensor array; in-house foundry; integrated wireless electronic nose system; multichip platform; portable EN system; portable application; power consumption; resistance-to-time conversion; Bluetooth; Cleaning; Costs; Data acquisition; Electronic noses; Ethanol; Gas detectors; Gases; Sensor arrays; Wireless sensor networks;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Circuits and Systems (ISCAS), Proceedings of 2010 IEEE International Symposium on
Conference_Location :
Paris
Print_ISBN :
978-1-4244-5308-5
Electronic_ISBN :
978-1-4244-5309-2
Type :
conf
DOI :
10.1109/ISCAS.2010.5536993
Filename :
5536993
Link To Document :
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