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Journal articles on the topic 'Gas sensing system'

Author: Grafiati

Published: 11 December 2022

Last updated: 31 July 2025

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1

Amrani, M. E. Hassan, Richard M. Dowdeswell, Peter A. Payne, and Krishna C. Persaud. "An intelligent gas sensing system." Sensors and Actuators B: Chemical 44, no. 1-3 (1997): 512–16. http://dx.doi.org/10.1016/s0925-4005(97)00240-2.

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2

Chakravarthi, Sharanya, Ujwal Shreenag Meda, and Akshit Harti. "Product Design of Hydrogen Sensing System." ECS Transactions 107, no. 1 (2022): 3011–25. http://dx.doi.org/10.1149/10701.3011ecst.

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Hydrogen gas is an essential commodity in various sectors starting from manufacturing chemicals to transportation. In the era where fuel-celled vehicles are gaining importance, there is a growing need for hydrogen sensing systems that give quick and accurate information about hydrogen gas that is both qualitative and quantitative. Effective product design of hydrogen sensing systems is essential to bring them to the market and target specific end users. In this paper, an attempt is made to develop a hydrogen sensing system highlighting various aspects of product design. Three design variants a

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Jurnal, Redaksi Tim. "FIRE SENSING SYSTEM." Sutet 7, no. 2 (2018): 82–87. http://dx.doi.org/10.33322/sutet.v7i2.78.

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The current fire hazard is increasingly common, not only from human error or also gas leakage and the use of electrical equipment that does not detect earlier the possibility of fire and this tool is a fire sensing system. The work system is meant by some of the same ways and the occurrence of fire that exist in a room, and provide it with a buzzer. The purpose of making this tool is for an alarm system that can share a fire and explain how the process works. The result of making this tool, the sensor managed to detect the heat caused by the fire and buzzer issued an alarm sound.

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Hwang, Ha-Jin, and Sung-Ho Hwang. "Developing an internet of things system for hydrogen leak detection at hydrogen refueling stations integrating LoRa and global positioning system." Edelweiss Applied Science and Technology 8, no. 5 (2024): 1582–93. http://dx.doi.org/10.55214/25768484.v8i5.1874.

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Developing a hydrogen leak detection system that can quickly detect even the smallest amount of hydrogen is extremely crucial in the hydrogen industry. Currently, hydrogen refueling stations use a fixed hydrogen leak detection system. This study develops a mobile hydrogen gas leak detection system for hydrogen refueling stations using s, global positioning system, and Internet of Things (IoT) equipment, including LoRa and Wi-Fi. A digital twin is implemented by linking hydrogen gas-sensing data at a location that is quickly required or suspected using Google Maps. A time-series database is use

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Kim, Bum-Joon, and Jung-Sik Kim. "Gas sensing characteristics of MEMS gas sensor arrays in binary mixed-gas system." Materials Chemistry and Physics 138, no. 1 (2013): 366–74. http://dx.doi.org/10.1016/j.matchemphys.2012.12.002.

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6

Hara, Takuya, Hiroyuki Kishihara, Itsuo Hanasaki, et al. "OS06-2-3 Carbon nanotubes-embedded MEMS resonator device for hydrogen gas sensing system." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2011.10 (2011): _OS06–2–3—. http://dx.doi.org/10.1299/jsmeatem.2011.10._os06-2-3-.

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7

Rohrich, Ronnier Frates, Marco Antonio Simoes Teixeira, Jose Lima, and Andre Schneider de Oliveira. "Collective Gas Sensing in a Cyber-Physical System." IEEE Sensors Journal 21, no. 12 (2021): 13761–71. http://dx.doi.org/10.1109/jsen.2021.3069687.

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8

Nakata, Satoshi, Hirokazu Okunishi, and Shigeyoshi Inooka. "Gas-sensing system based on the cyclic temperature." Analytica Chimica Acta 517, no. 1-2 (2004): 153–59. http://dx.doi.org/10.1016/j.aca.2004.04.033.

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9

Hughes, K. L., S. L. Miller, J. L. Rodriguez, and P. J. McWhorter. "Calibration of an integrated hydrogen gas-sensing system." Sensors and Actuators B: Chemical 37, no. 1-2 (1996): 75–81. http://dx.doi.org/10.1016/s0925-4005(97)80074-3.

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Yang, In-Hwan, Joon-Hyung Jin, and Nam Ki Min. "A Micromachined Metal Oxide Composite Dual Gas Sensor System for Principal Component Analysis-Based Multi-Monitoring of Noxious Gas Mixtures." Micromachines 11, no. 1 (2019): 24. http://dx.doi.org/10.3390/mi11010024.

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Microelectronic gas-sensor devices were developed for the detection of carbon monoxide (CO), nitrogen dioxides (NO2), ammonia (NH3) and formaldehyde (HCHO), and their gas-sensing characteristics in six different binary gas systems were examined using pattern-recognition methods. Four nanosized gas-sensing materials for these target gases, i.e., Pd-SnO2 for CO, In2O3 for NOX, Ru-WO3 for NH3, and SnO2-ZnO for HCHO, were synthesized using a sol-gel method, and sensor devices were fabricated using a microsensor platform. Principal component analysis of the experimental data from the microelectrome

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11

Liu, Guo Long, Hui Suo, Jia Tong Wei, Sa Lv, and Xiao Tian Yang. "Design of Programmed Temperature Control Gas-Sensing Characteristic Tester." Applied Mechanics and Materials 599-601 (August 2014): 1190–95. http://dx.doi.org/10.4028/www.scientific.net/amm.599-601.1190.

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In order to reduce the complexity of the experiment processes for the study of gas-sensing material properties, we have designed programmed temperature control gas-sensing characteristic tester. To obtain the precise measurement of gas-sensing materials’ resistance and programmed output voltage, the tester has used ratio method, SCM control technology, basic circuit principles, A/D converter, D/A conversion, the feedback network. Test results show that this system provides a great convenience for gas-sensing materials testing.

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12

Cui, Lu-Jun, Yan-Long Cao, Hong-Hong Guo, et al. "Multi-gas leakage synchronous monitoring system based on the distributed optical fiber sensing technology." Journal of Computational Methods in Sciences and Engineering 22, no. 2 (2022): 615–21. http://dx.doi.org/10.3233/jcm-215842.

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In the process of long-distance transportation of different gas, the remote pipeline plays an irreplaceable role in energy transmission. When the pipeline is laid in remote areas for a long distance, it is easy to be influenced by geological disasters and complex working conditions, which may lead to corrosion and leakage. therefore, it is necessary to conduct pipeline gas real-time safety monitoring. An optical fiber gas leakage synchronous monitoring system was proposed and demonstrated based on distributed optical sensing technology for simultaneous multi-gas measurements. In this study, we

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13

Gahlot, Ajay Pratap Singh, Ayushi Paliwal, and Avinashi Kapoor. "Exploitation of SnO2/Polypyrrole Interface for Detection of Ammonia Vapors Using Conductometric and Optical Techniques: A Theoretical and Experimental Analysis." Sensors 22, no. 19 (2022): 7252. http://dx.doi.org/10.3390/s22197252.

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This study describes the construction of a lab-built Surface Plasmon Resonance (SPR) system for gas sensing applications employing a highly sensitive and trustworthy optical approach. The nanocomposite thin film of tin oxide (SnO2) and Polypyrrole (PPy) were prepared for sensing highly toxic gas, i.e., ammonia (NH3) gas. The gas sensor was validated by both optical and conductometric techniques of gas sensing. The optical SPR gas sensor is based on the change in refractive index at the SnO2/Polypyrrole (PPy) interface with gas adsorption (NH3). The thickness of SnO2 and Polypyrrole thin films

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14

Wang, Shu Tao, Peng Wei Zhang, Le Gong, and Xiao Qing Shao. "Novel Optical Fiber Gas Sensing System Based on FBG Filtering." Advanced Materials Research 295-297 (July 2011): 1021–28. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.1021.

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Based on law of Beer-Lambert, a novel optical fiber gas sensing system is designed to determine the concentration of gas. The narrow-band filtering characteristic of optical fiber Bragg grating is used by this system to produce the narrow spectrum light signal which is wanted in difference absorption measuring. The system has full optical fiber structure, which is mainly composed by super luminescent emitting diode (SLED), optical fiber of 10km, optical fiber gas detector, optical fiber isolator, optical fiber coupler network, optical fiber detecting grating, photoelectric detector and data pr

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15

Zaheer, Muhammad, Muhammad Arsalan, Weihua Liu, and Xin Li. "Graphene/NiCo2S4 Hybrid System for Ammonia Gas Sensing Application." Journal of Nanoelectronics and Optoelectronics 14, no. 11 (2019): 1565–71. http://dx.doi.org/10.1166/jno.2019.2652.

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Graphene is a one-atom-thick two-dimensional structure of carbon arranged in a hexagonal structure. Due to its unique mechanical and electronic properties, graphene has become very promising material. It has good sensing characteristics like large surface area, potentially available binding site, etc. In this report, the hybrid system of NiCo2S4 synthesized by two-step hydrothermal method and graphene transferred to IDE (Interdigit electrode) was prepared for gas sensing applications. Chemical Vapor Deposition (CVD) method was used to grow graphene on copper foil and transferred to different s

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16

Skotadis, Evangelos, Aris Kanaris, Evangelos Aslanidis, et al. "Identification of Two Commercial Pesticides by a Nanoparticle Gas-Sensing Array." Sensors 21, no. 17 (2021): 5803. http://dx.doi.org/10.3390/s21175803.

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This study presents the experimental testing of a gas-sensing array, for the detection of two commercially available pesticides (i.e., Chloract 48 EC and Nimrod), towards its eventual use along a commercial smart-farming system. The array is comprised of four distinctive sensing devices based on nanoparticles, each functionalized with a different gas-absorbing polymeric layer. As discussed herein, the sensing array is able to identify as well as quantify three gas-analytes, two pesticide solutions, and relative humidity, which acts as a reference analyte. All of the evaluation experiments were

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17

Su, Pi-Guey, Jia-Hao Yu, I.-Cherng Chen, Hong-Ci Syu, Shih-Wen Chiu, and Ting-I. Chou. "Detection of ppb-level NO2 gas using a portable gas-sensing system with a Fe2O3/MWCNTs/WO3 sensor using a pulsed-UV-LED." Analytical Methods 11, no. 7 (2019): 973–79. http://dx.doi.org/10.1039/c8ay02500b.

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18

Carvalho, J. P., H. Lehmann, H. Bartelt, et al. "Remote System for Detection of Low-Levels of Methane Based on Photonic Crystal Fibres and Wavelength Modulation Spectroscopy." Journal of Sensors 2009 (2009): 1–10. http://dx.doi.org/10.1155/2009/398403.

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In this work we described an optical fibre sensing system for detecting low levels of methane. The properties of hollow-core photonic crystal fibres are explored to have a sensing head with favourable characteristics for gas sensing, particularly in what concerns intrinsic readout sensitivity and gas diffusion time in the sensing structure. The sensor interrogation was performed applying the Wavelength Modulation Spectroscopy technique, and a portable measurement unit was developed with performance suitable for remote detection of low levels of methane. This portable system has the capacity to

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19

Bonyani, Maryam, Seyed Mojtaba Zebarjad, Kamal Janghorban, Jin-Young Kim, Hyoun Woo Kim, and Sang Sub Kim. "Au-Decorated Polyaniline-ZnO Electrospun Composite Nanofiber Gas Sensors with Enhanced Response to NO2 Gas." Chemosensors 10, no. 10 (2022): 388. http://dx.doi.org/10.3390/chemosensors10100388.

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Ternary systems are less studied for sensing applications due to complex synthesis procedures. However, they have more sources of resistance modulation, leading to an enhanced gas response. In this study, a ternary system, namely Au-decorated ZnO-polyaniline (PANI) composite nanofibers with different amounts of PANI (10, 25, and 50 wt.%) were synthesized for NO2 gas sensing studies. First, ZnO nanofibers were synthesized by electrospinning, and then an Au layer (9 nm) was coated on the ZnO nanofibers. Finally, PANI was coated onto the prepared Au-decorated ZnO nanofibers. NO2 gas sensing inves

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20

Bulbul, Ashrafuzzaman, and Hanseup Kim. "A bubble-based microfluidic gas sensor for gas chromatographs." Lab on a Chip 15, no. 1 (2015): 94–104. http://dx.doi.org/10.1039/c4lc00892h.

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This work is a new proof-of-concept bubble-based gas sensor for a gas chromatography system, which utilizes the unique relationship between the diameters of the produced bubbles with the gas types and mixture ratios as a sensing element.

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21

KOTARSKI, MATEUSZ M., and JANUSZ M. SMULKO. "HAZARDOUS GASES DETECTION BY FLUCTUATION-ENHANCED GAS SENSING." Fluctuation and Noise Letters 09, no. 04 (2010): 359–71. http://dx.doi.org/10.1142/s0219477510000277.

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Gas sensing can be enhanced by observing resistance fluctuations in Taguchi Gas Sensors. Unfortunately, fluctuation measurements need advanced measurement setups. This paper presents a possibility of fluctuation-enhanced gas sensing that can be utilized in a simplified and cheap gas sensing system. A detailed study has been conducted for two hazardous gases: ammonia ( NH3 ) and hydrogen sulfide ( H2S ) using TGS 826 and TGS 825 resistance sensors. The research was focused on practical application of gas detection by resistance fluctuations for the selected harmful gases. Repeatability of noise

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22

Peng, Shu Di, Wei Song, Gao Lin Wu, Yu Long Miao, and Feng Ying Tang. "A Novel Tin Oxide Based Thick-Film Sensor for Determining Sulfur Hexafluoride Decomposition Product Sulfur Dioxide." Advanced Materials Research 971-973 (June 2014): 3–6. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.3.

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In this investigation, we have synthesized pure and copper decorated tin oxide nanostructures with a facile yet environment-friendly hydrothermal route. The sensing materials are characterized by X-ray diffraction, field emission scanning electron microscopy, and energy dispersive X-ray spectroscopy. Thick-film gas sensors are fabricated from the as-prepared samples, and their gas sensing performances towards sulfur dioxide are calculated and evaluated by a Chemical Gas Sensor-8 intelligent gas sensing analysis system automatically.

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23

Shikha, Deep, Seema Nayak, and Anisha Anand. "Design of smart nose system for hazardous zone." Spectrum of Emerging Sciences 4, no. 1 (2024): 67–73. http://dx.doi.org/10.55878/ses2024-4-1-13.

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The sole goal of the project is to develop design along with production of a novel smart nose system capable of accurately sensing and identifying a wide range of chemical gases. This innovative technology will utilize advanced gas sensors, data processing, and machine learning techniques to enable real-time gas detection and identification, with potential applications in various fields, including environmental monitoring, industrial safety, and healthcare. The vital goal is to create a reliable, user-friendly, and versatile device that enhances our ability to detect and respond to hazardous g

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24

Aixia, Duan, Huang Yongzhi, Duan Yanling, and Wang Qiuhong. "Thermal Sensor Boiler Monitoring based on Wireless Sensing." International Journal of Online Engineering (iJOE) 14, no. 08 (2018): 107. http://dx.doi.org/10.3991/ijoe.v14i08.9176.

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To solve the problems of traditional wiring monitoring methods, such as difficulty in wiring, high temperature, and premature aging of the lines, the development status and trend of ZigBee technology were analyzed. A ZigBee-based online gas leakage monitoring system for power plant boilers was designed to avoid gas leakage in these boilers. ZigBee short-range wireless communication technology was used instead of the wired method to complete online monitoring of power plant boilers. Results showed that the system timely monitored the gas leakage and revealed the operating status of the power pl

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25

Nanhey, C. K., M. K. Bhanarkar, and B. M. Sargar. "Respected Author, Your research paper has been published successfully. Please find the link below. http://ymerdigital.com/current-issue/ Please find the below DOI allocated to your article. 10.37896/YMER20.12/45 OR https://www.doi.org/10.37896/YMER20.12/45 Please find the below attached E- certificates Thanks." YMER Digital 20, no. 12 (2021): 504–9. http://dx.doi.org/10.37896/ymer20.12/47.

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Since many years, metal oxide semiconductor has paid too much interest as a gas sensing material by researchers because of wide performance. TiO2 is one of the majority crucial metal oxide which produced better performance in thin film development. Advanced spray pyrolysis system was used to develop thin film. The gas sensing characteristics TiO2 films are evaluated with responses. The gas sensing response, electrical characterization and sensitivity are corporate.

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26

Gadkari, Ashok B. "Studies on Gas Sensing Properties of MgxCd1-xFe2O4 System." Advanced Materials Proceedings 4, no. 2 (2020): AMP1406996. http://dx.doi.org/10.5185/amp.2019.6996.

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27

Wang, Zhongmin, Zhengchun Luo, Tianying Chang, Liyao Cheng, Chongjian Wu, and Hong-Liang Cui. "Methane Optical Sensing System With Polarization Rotation Gas Cell." IEEE Sensors Journal 19, no. 17 (2019): 7415–24. http://dx.doi.org/10.1109/jsen.2019.2916978.

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28

Dimopoulos, Savvas, Maria Kitsara, Dimitrios Goustouridis, Stavros Chatzandroulis, and Ioannis Raptis. "A Chemocapacitive Sensor Array System for Gas Sensing Applications." Sensor Letters 9, no. 2 (2011): 577–83. http://dx.doi.org/10.1166/sl.2011.1515.

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29

Vidic, A., D. Then, and Ch Ziegler. "A new cantilever system for gas and liquid sensing." Ultramicroscopy 97, no. 1-4 (2003): 407–16. http://dx.doi.org/10.1016/s0304-3991(03)00068-8.

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30

Stewart, K. M. E., and A. Penlidis. "Novel Test System for Gas Sensing Materials and Sensors." Macromolecular Symposia 324, no. 1 (2013): 11–18. http://dx.doi.org/10.1002/masy.201200062.

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31

Enemali, Godwin, and Ryan M. Gibson. "An FPGA-Based Data Acquisition System with Embedded Processing for Real-Time Gas Sensing Applications." Applied Sciences 14, no. 15 (2024): 6738. http://dx.doi.org/10.3390/app14156738.

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Real-time gas sensing based on wavelength modulation spectroscopy (WMS) has been widely adopted for several gas sensing applications. It is attractive for its accurate, non-invasive, and fast determination of critical gas parameters such as concentration, temperature, and pressure. To implement real-time gas sensing, data acquisition and processing must be implemented to accurately extract harmonics of interest from transmitted laser signals. In this work, we present an FPGA-based data acquisition architecture with embedded processing capable of achieving both real-time and accurate gas detect

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32

Jia, Chun Rong, Zhigang Di, and Jing Xuan Zhang. "Signal Process of Gas Monitoring System in Fiber Sensor." Advanced Materials Research 655-657 (January 2013): 710–13. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.710.

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Gas monitoring has been the most important project in coal mining, and the main basis of gas is CH4. As a result, it is fatal to develop a safe and highly sensitive CH4 sensing system to detect CH4 concentration real-time. Moreover, signal process system is important for this sensing system. The novel signal process system was proposed in this paper, and phase lock amplifying and signal sampling processing technology was utilized to monitor CH4 concentration steadily and reliably. The experiment results indicated that the steady is 0.4%, and relative error is less than 0.02%. So this signal pr

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33

Tittl, Andreas, Harald Giessen, and Na Liu. "Plasmonic gas and chemical sensing." Nanophotonics 3, no. 3 (2014): 157–80. http://dx.doi.org/10.1515/nanoph-2014-0002.

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AbstractSensitive and robust detection of gases and chemical reactions constitutes a cornerstone of scientific research and key industrial applications. In an effort to reach progressively smaller reagent concentrations and sensing volumes, optical sensor technology has experienced a paradigm shift from extended thin-film systems towards engineered nanoscale devices. In this size regime, plasmonic particles and nanostructures provide an ideal toolkit for the realization of novel sensing concepts. This is due to their unique ability to simultaneously focus light into subwavelength hotspots of t

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34

Mao, Zhenghao, Jianchao Wang, Youjin Gong, Heng Yang, and Shunping Zhang. "A Set of Platforms with Combinatorial and High-Throughput Technique for Gas Sensing, from Material to Device and to System." Micromachines 9, no. 11 (2018): 606. http://dx.doi.org/10.3390/mi9110606.

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In a new E-nose development, the sensor array needs to be optimized to have enough sensitivity and selectivity for gas/odor classification in the application. The development process includes the preparation of gas sensitive materials, gas sensor fabrication, array optimization, sensor array package and E-nose system integration, which would take a long time to complete. A set of platforms including a gas sensing film parallel synthesis platform, high-throughput gas sensing unmanned testing platform and a handheld wireless E-nose system were presented in this paper to improve the efficiency of

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35

Thawornsin, Maitree, Wirote Ritthong, Chitsanucha Sangna, Panida Lorwongtragool, and Naphat Albutt. "Gas Detector System for Industrial Use." Applied Mechanics and Materials 879 (March 2018): 234–37. http://dx.doi.org/10.4028/www.scientific.net/amm.879.234.

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Early detection of hazardous or flammable gasses/volatiles reduces the potential risks to personnel, such as development of respiratory problems. A simple robust resistive sensor device is presented with a sensing film of poly (styreneco-maleic acid) containing carbon nanotubes as the conductive medium. The response of the sensor was assessed with several volatile solvents and an industrial printer ink. All vapours were detected by increased resistance of the sensor film, and the ink vapour elicited the largest response. A warning system for volatile solvents could be based on this sensor desi

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36

Nagarjuna, Yempati, Jun-Cong Lin, Sheng-Chang Wang, Wen-Tse Hsiao, and Yu-Jen Hsiao. "AZO-Based ZnO Nanosheet MEMS Sensor with Different Al Concentrations for Enhanced H2S Gas Sensing." Nanomaterials 11, no. 12 (2021): 3377. http://dx.doi.org/10.3390/nano11123377.

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The properties of H2S gas sensing were investigated using a ZnO nanostructure prepared with AZO (zinc oxide with aluminium) and Al surfaces which were developed on a MEMS (Micro Electromechanical System) device. Hydrothermal synthesis was implemented for the deposition of the ZnO nanostructure. To find the optimal conditions for H2S gas sensing, different ZnO growth times and different temperatures were considered and tested, and the results were analysed. At 250 °C and 90 min growth time, a ZnO sensor prepared with AZO and 40 nm Al recorded an 8.5% H2S gas-sensing response at a 200 ppb gas co

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37

Carpenter, Chris. "Fiber-Optic Sensing System Allows Real-Time Visualization of Gas-Kick Dynamics." Journal of Petroleum Technology 74, no. 07 (2022): 62–64. http://dx.doi.org/10.2118/0722-0062-jpt.

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This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 201539, “Distributed Sensing and Real-Time Visualization of Gas-Kick Dynamics in a Full-Scale Wellbore,” by W.C. Williams, SPE, C.E. Taylor, and M.A. Almeida, SPE, Louisiana State University, et al. The paper has not been peer reviewed. The project described in the complete paper used a 9⅝-in., 5,200-ft-deep wellbore retrofit with distributed fiber optics [distributed temperature sensing (DTS) and distributed acoustic sensing (DTS)] and four permanent pressure/temperature (P/T) gauges to sense and

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38

Cao, Yu, Xiao Long Zhou, Jian Chun Cao, Yuan Yuan Peng, Jing Chao Chen, and Jie Yu. "Solid-State Reaction and Gas Sensor Properties of Porous SnO₂-In₂O₃ Composites." Key Engineering Materials 512-515 (June 2012): 1268–72. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.1268.

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Mixtures of ITO and SnO2 powders were prepared by a solid-state reaction method in order to produce porous composite materials. X-ray diffraction, scanning electron microscope and gas sensing testing system have been used to analyze the microstructure and properties of it .It has been concluded that when the sintering temperature is 1573K,it has better gas-sensing properties. The pore structure and CO gas sensing property of porous SnO2-In2O3 composite materials can be improved with the increase of SnO2 contents.

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Nguyen, Hieu Van, Hong Si Hoang, Trung Dang Do, et al. "Our recent study on nanomaeterials for gas sensing applictaion." Science and Technology Development Journal 16, no. 1 (2013): 112–37. http://dx.doi.org/10.32508/stdj.v16i1.1426.

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Recently, novel materials such as semiconductor metal oxide (SMO) nanowires (NWs), carbon nanotubes (CNTs), and hybrid materials SMO/CNTs have been attractively received attention for gas sensing applications. These materials are potential candidates for improving the well known “3S”: Sensitivity, Selectivity and Stability. In this article, we describe our recent studies on synthesis and characterizations of nanomaterials for gas-sensing applications. The focused topics include are: (i) various system of hybrid materials made CNTs and SMO; and (ii) quasi-one-dimension (Q1D) nanostructure of SM

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40

Ercolani, Chiara, Wanting Jin, and Alcherio Martinoli. "3D Gas Sensing with Multiple Nano Aerial Vehicles: Interference Analysis, Algorithms and Experimental Validation." Sensors 23, no. 20 (2023): 8512. http://dx.doi.org/10.3390/s23208512.

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Within the scope of the ongoing efforts to fight climate change, the application of multi-robot systems to environmental mapping and monitoring missions is a prominent approach aimed at increasing exploration efficiency. However, the application of such systems to gas sensing missions has yet to be extensively explored and presents some unique challenges, mainly due to the hard-to-sense and expensive-to-model nature of gas dispersion. For this paper, we explored the application of a multi-robot system composed of rotary-winged nano aerial vehicles to a gas sensing mission. We qualitatively and

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Liao, Zimo, Meng Jin, Shun An, et al. "Waving Hand as Infrared Source for Ubiquitous Gas Sensing." Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 8, no. 2 (2024): 1–26. http://dx.doi.org/10.1145/3659605.

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Gases in the environment can significantly affect our health and safety. As mobile devices gain popularity, we consider to explore a human-centered gas detection system that can be integrated into commercial mobile devices to realize ubiquitous gas detection. However, existing gas sensors either have too long response delays or are too cumbersome. This paper shows the feasibility of performing gas sensing by shining infrared (IR) signals emitted from our hands through the gas, allowing the system to rely on a single IR detector. The core opportunity arises from the fact that the human hand can

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42

Imamura, Gaku, Kosuke Minami, Kota Shiba, et al. "Graphene Oxide as a Sensing Material for Gas Detection Based on Nanomechanical Sensors in the Static Mode." Chemosensors 8, no. 3 (2020): 82. http://dx.doi.org/10.3390/chemosensors8030082.

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Graphene is a key material for gas sensing applications owing to its high specific surface area and vast chemical modification potential. To fully utilize the potential of graphene, a sensing platform independent of conductive properties is required. In this study, we employed membrane-type surface stress sensors (MSS)—A kind of nanomechanical sensor operated in the static mode—As a sensing platform and utilized graphene oxide (GO) as a gas sensing material. MSS detect surface stress caused by gas sorption; therefore, chemically modified graphene with low conductivity can be utilized as a gas

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Zhou, You, Sheng Wang, Sichen Xin, et al. "Layer-Dependent Sensing Performance of WS2-Based Gas Sensors." Nanomaterials 14, no. 2 (2024): 235. http://dx.doi.org/10.3390/nano14020235.

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Two-dimensional (2D) materials, such as tungsten disulfide (WS2), have attracted considerable attention for their potential in gas sensing applications, primarily due to their distinctive electrical properties and layer-dependent characteristics. This research explores the impact of the number of WS2 layers on the ability to detect gases by examining the layer-dependent sensing performance of WS2-based gas sensors. We fabricated gas sensors based on WS2 in both monolayer and multilayer configurations and methodically evaluated their response to various gases, including NO2, CO, NH3, and CH4 at

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Li, Xing Quan, Chang Guo, and Si Jing Gao. "GPRS-Based Network of Underground Gas Pipeline Leak Detection System." Applied Mechanics and Materials 295-298 (February 2013): 2451–54. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.2451.

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This article describes the overall structure and components of the gas leak detection system for underground pipe network, proposed difficulties and solutions that exist in the system design process, analyzed how to use the existing wireless GPRS network and gas sensing technology, real-time monitoring of the underground pipe network gas leak from the means of detection, data transmission, measures to combat environmental aspects.

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Patil, A. V., S. B. Handge, C. G. Dighavkar, R. N. Shelar, and D. R. Patil. "Ethanol Vapour Sensing Property of Nitrogen Doped ZnO Fabricated by Spray Pyrolysis." Advanced Materials Research 1110 (June 2015): 231–34. http://dx.doi.org/10.4028/www.scientific.net/amr.1110.231.

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In this paper, gas sensing property of a nitrogen doped ZnO was studied. nanofilms of pure and nitrogen-doped ZnO (0.1, 0.2 and 0.3 normality) were prepared on glass substrate by spray pyrolysis technique. These films were fired at 450°C for two hours in air atmosphere. nanobehavior of the films was confirmed by XRD and SEM analysis. Gas sensing behavior of the films was tested in static gas sensing system. Films were exposed to different gases as LPG.NH3, NO2, Ethanol vapour and CO2 at different ppm concentrations and different operating temperatures. Pure ZnO films showed poor sensing behavi

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Rao, Prof G. Raja. "GAS LEVEL MONITORING AND ALERTING WITH GAS LEAKAGE." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem31219.

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The project aims in designing a Gas cylinder level monitoring and Gas leakage detection also alerting system using GSM technology. This system capable of detecting the Gas in the cylinder according to weight and display onLCD. Also, this system will activate the buzzer and sensing the alert SMS to the predefine mobile number through GSM if the cylinder weight crosses the set limit or if the system detects the gas leakage.This project makes a use Arduino NANO Microcontroller which is used to interface with input and output modules. Continuous weight monitoring of Gas cylinder using load cell an

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Gu, Bao Hu, and Ze Fa Fang. "Research on the Optical Fiber Gas Sensing System Based on the Gas Concentration Measurement." Advanced Materials Research 529 (June 2012): 487–91. http://dx.doi.org/10.4028/www.scientific.net/amr.529.487.

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At present , the catalytic combustion type gas sensors is still used in our country which is the extensive use of underground coal mine gas detection instrument , this kind of sensor slow response, calibration cycle is short, and the apparatus for the selectivity of methane is poor. Thus it can be seen that develop a safe and reliable, selective, high sensitivity of gas concentration measurement system that for mine safety operation, the personal safety and environment protection has a very important social significance and economic significance. Optical fiber sensing monitoring system accordi

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JING Yao-qiu, 荆耀秋, 江毅 JIANG Yi, 肖尚辉 XIAO Shang-hui, and 江艳 JIANG Yan. "A Differential Absorption Based Optical Fiber Methane Gas Sensing System." ACTA PHOTONICA SINICA 43, no. 4 (2014): 428002. http://dx.doi.org/10.3788/gzxb20144304.0428002.

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HIRATSUKA, Nobuyuki, Akiko HOSOI, Hiroshi KOBAYASHI, and Koichi KAKIZAKI. "Isobutane Gas Sensing Characteristics of Zinc-Tin Complex Oxide System." Journal of the Ceramic Society of Japan 104, no. 1216 (1996): 1158–59. http://dx.doi.org/10.2109/jcersj.104.1158.

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Hou, Zhongyu, Dong Xu, and Bingchu Cai. "Ionization gas sensing in a microelectrode system with carbon nanotubes." Applied Physics Letters 89, no. 21 (2006): 213502. http://dx.doi.org/10.1063/1.2392994.

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