scholarly journals Hazardous Gas Detection using Gas Sensors Arrays and Fuzzy-Based Classification

2019 ◽  
Vol 8 (2S8) ◽  
pp. 1883-1888
Keyword(s):  
Gas Sensor ◽  
Electronic Nose ◽  
Gas Sensors ◽  
Sensor Arrays ◽  
Gas Detection ◽  
Hazardous Gases ◽  
The Impact ◽  
Co Gas ◽  
Hazardous Gas ◽  
Gas Sensor Arrays

This paper presents hazardous gas detection using gas sensors arrays and fuzzy-based classification. This research is an automation of hazardous gas detection using electronic nose. Gases surround us could either hazard or benefit our health. Gas detection is an important issue, as humans should not breathe in hazardous gases in order to maintain their health. Hence, there must be an indicator to show the hazardous level of certain gases so that people can avoid and minimize the impact on their health. In this paper, hazardous gas detection is implemented by using gas sensor arrays and fuzzy-based classification. A classification for the electronic nose (e-nose) is developed in order to classify gases and determine the level of hazard of gases. The results found that e-nose system is able to differentiate hazardous level of chosen gases which are LP gas and CO gas.

scholarly journals Advanced Micro- and Nano-Gas Sensor Technology: A Review

Sensors ◽  
2019 ◽  
Vol 19 (6) ◽  
pp. 1285 ◽  
Author(s):  
Haleh Nazemi ◽  
Aashish Joseph ◽  
Jaewoo Park ◽  
Arezoo Emadi
Keyword(s):  
Gas Sensor ◽  
Gas Sensors ◽  
High Performance ◽  
Sensor Arrays ◽  
Sensor Technology ◽  
Sensor Design ◽  
Fabrication Technology ◽  
Nano Fabrication ◽  
Wide Range ◽  
Gas Sensor Arrays

Micro- and nano-sensors lie at the heart of critical innovation in fields ranging from medical to environmental sciences. In recent years, there has been a significant improvement in sensor design along with the advances in micro- and nano-fabrication technology and the use of newly designed materials, leading to the development of high-performance gas sensors. Advanced micro- and nano-fabrication technology enables miniaturization of these sensors into micro-sized gas sensor arrays while maintaining the sensing performance. These capabilities facilitate the development of miniaturized integrated gas sensor arrays that enhance both sensor sensitivity and selectivity towards various analytes. In the past, several micro- and nano-gas sensors have been proposed and investigated where each type of sensor exhibits various advantages and limitations in sensing resolution, operating power, response, and recovery time. This paper presents an overview of the recent progress made in a wide range of gas-sensing technology. The sensing functionalizing materials, the advanced micro-machining fabrication methods, as well as their constraints on the sensor design, are discussed. The sensors’ working mechanisms and their structures and configurations are reviewed. Finally, the future development outlook and the potential applications made feasible by each category of the sensors are discussed.

Enhanced selectivity of target gas molecules through a minimal array of gas sensors based on nanoparticle-decorated SWCNTs

The Analyst ◽  
2019 ◽  
Vol 144 (13) ◽  
pp. 4100-4110 ◽  
Author(s):  
Sonia Freddi ◽  
Giovanni Drera ◽  
Stefania Pagliara ◽  
Andrea Goldoni ◽  
Luigi Sangaletti
Keyword(s):  
Metal Oxide ◽  
Gas Sensor ◽  
Gas Sensors ◽  
Metal Oxide Nanoparticles ◽  
Sensor Arrays ◽  
Oxide Nanoparticles ◽  
Gas Molecules ◽  
Enhanced Selectivity ◽  
Gas Sensor Arrays

Layers of CNTs decorated with metal and metal–oxide nanoparticles can be used to develop highly selective gas sensor arrays.

scholarly journals Characterization of Unpleasant Odors in Poultry Houses Using Metal Oxide Semiconductor-Based Gas Sensor Arrays and Pattern Recognition Methods

2021 ◽  
Vol 5 (1) ◽  
pp. 52
Author(s):  
Mohammed Moufid ◽  
Carlo Tiebe ◽  
Nezha El Bari ◽  
Matthias Bartholmai ◽  
Benachir Bouchikhi
Keyword(s):  
Electronic Nose ◽  
Gas Sensors ◽  
Sensor Arrays ◽  
Metal Oxide Semiconductor ◽  
Oxide Semiconductor ◽  
Pattern Recognition Methods ◽  
Poultry Farms ◽  
Odor Emissions ◽  
The Impact

In this study, the ability of an electronic nose developed to analyze and monitor odor emissions from three poultry farms located in Meknes (Morocco) and Berlin (Germany) was evaluated. Indeed, the potentiality of the electronic nose (e-nose) to differentiate the concentration fractions of hydrogen sulfide, ammonia, and ethanol was investigated. Furthermore, the impact change of relative humidity values (from 15% to 67%) on the responses of the gas sensors was reported and revealed that the effect remained less than 0.6%. Furthermore, the relevant results confirmed that the developed e-nose system was able to perfectly classify and monitor the odorous air of poultry farms.

Metal Oxide Gas Sensor Arrays: Geometrical Design and Selectivity

2009 ◽  
Author(s):  
Frank Röck ◽  
Nicolae Barsan ◽  
Udo Weimar ◽  
Matteo Pardo ◽  
Giorgio Sberveglieri
Keyword(s):  
Metal Oxide ◽  
Gas Sensor ◽  
Sensor Arrays ◽  
Geometrical Design ◽  
Metal Oxide Gas Sensor ◽  
Gas Sensor Arrays

Gas Sensor Arrays by Supersonic Cluster Beam Deposition

2019 ◽  
pp. 282-284
Author(s):  
E. Barborini ◽  
M. Leccardi ◽  
G. Bertolini ◽  
O. Rorato ◽  
M. Franchi ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Sensor Arrays ◽  
Cluster Beam ◽  
Cluster Beam Deposition ◽  
Beam Deposition ◽  
Gas Sensor Arrays
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