A review of gas sensors employed in electronic nose applications

نویسندگان

K. Arshak

E. Moore

G. M. Lyons

J. Harris

S. Clifford

چکیده

This paper reviews the range of sensors used in electronic nose (e-nose) systems to date. It outlines the operating principles and fabrication methods of each sensor type as well as the applications in which the different sensors have been utilised. It also outlines the advantages and disadvantages of each sensor for application in a cost-effective low-power handheld e-nose system.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Gas Sensing Techniques in Electronic Nose and its Applications: A Review

Electronic noses instruments were developed as systems for the discrimination of gases and odors. An electronic nose is a portable device which strives to sniff complex mixtures of volatile organic compounds. It consists of a large array of chemical sensors with associated signal conditioning and pattern recognition techniques. An electronic noses employs different types of gas sensors that use...

متن کامل

Towards a Chemiresistive Sensor-Integrated Electronic Nose: A Review

Electronic noses have potential applications in daily life, but are restricted by their bulky size and high price. This review focuses on the use of chemiresistive gas sensors, metal-oxide semiconductor gas sensors and conductive polymer gas sensors in an electronic nose for system integration to reduce size and cost. The review covers the system design considerations and the complementary meta...

متن کامل

Chemical Sensors Employed in Electronic Noses: A Review

Electronic noses utilizes an array of chemical sensors of different specificities which responds to the volatile organic compounds present in the gases. The use of electronic chemical sensors in an array design with coupled signal conditioning and appropriate pattern recognition system is capable of identifying complex odours.Such an artificial gas sensing system is called 'electronic nose'. Th...

متن کامل

Chemical Sensors for Electronic Nose Systems

Chemical sensors have been widely used for the analysis of volatile organic compounds. Employing chemical sensors in an array format with pattern recognition provides a higher degree of selectivity and reversibility leading to an extensive range of applications. When such systems are used for odour analysis they are termed ‘electronic noses’. Application of electronic noses ranges from the food...

متن کامل