Overcoming the limits of cross-sensitivity: pattern recognition methods for chemiresistive gas sensor array

H Mei, J Peng, T Wang, T Zhou, H Zhao, T Zhang… - Nano-micro letters, 2024 - Springer
As information acquisition terminals for artificial olfaction, chemiresistive gas sensors are
often troubled by their cross-sensitivity, and reducing their cross-response to ambient gases …

Multi-task deep learning model for quantitative volatile organic compounds analysis by feature fusion of electronic nose sensing

W Ni, T Wang, Y Wu, X Liu, Z Li, R Yang… - Sensors and Actuators B …, 2024 - Elsevier
In exploring pattern recognition for electronic noses via deep neural networks, traditional
networks encounter key challenges, such as low training efficiency, and neglect of spatial …

Sensor array optimization for the electronic nose via different deep learning methods

X Zhang, T Wang, W Ni, Y Zhang, W Lv, M Zeng… - Sensors and Actuators B …, 2024 - Elsevier
A sensor array is a key component of an electronic nose (E-nose). However, the practical
applications of the E-nose are often inhibited by its size and energy consumption arising …

Highly sensitive ammonia gas sensors at room temperature based on the catalytic mechanism of N, C coordinated Ni single-atom active center

W Quan, J Shi, M Zeng, W Lv, X Chen, C Fan… - Nano-Micro Letters, 2024 - Springer
Significant challenges are posed by the limitations of gas sensing mechanisms for trace-
level detection of ammonia (NH3). In this study, we propose to exploit single-atom catalytic …

A battery-free, wireless, flexible bandlike e-nose based on MEMS gas sensors for precisely volatile organic compounds detection

Z Yang, Y Liu, D Chen, J Miao, M Chen, G Liu, G Gao… - Nano Energy, 2024 - Elsevier
Real-time detection of VOCs in the car cabin is crucial for protecting driver's health. MOS gas
sensors, with the advantages of low cost, simplicity and fast response, are widely used for …

AI-Enabled Portable E-Nose Regression Predicting Harmful Molecules in a Gas Mixture

J Yang, X Hu, L Feng, Z Liu, A Murtazt, W Qin… - ACS …, 2024 - ACS Publications
The biomimetic electronic nose (e-nose) technology is a novel technology used for the
identification and monitoring of complex gas molecules, and it is gaining significance in this …

[HTML][HTML] Low-Power Chemiresistive Gas Sensors for Transformer Fault Diagnosis

H Mei, J Peng, D Xu, T Wang - Molecules, 2024 - mdpi.com
Dissolved gas analysis (DGA) is considered to be the most convenient and effective
approach for transformer fault diagnosis. Due to their excellent performance and …

Classification and concentration predictions of volatile organic compounds using an electronic nose based on XGBoost-random forest algorithms

W Ni, T Wang, Y Wu, X Chen, W Cai… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
The electronic nose (E-nose) is widely used for quantitative monitoring of poisonous and
harmful gases. However, its conventional gas sensing is generally carried out based on a …

Olfactory diagnosis model for lung health evaluation based on pyramid pooling and SHAP-based dual encoders

J Peng, H Mei, R Yang, K Meng, L Shi, J Zhao… - ACS …, 2024 - ACS Publications
This study introduces a novel deep learning framework for lung health evaluation using
exhaled gas. The framework synergistically integrates pyramid pooling and a dual-encoder …

Gas identification using electronic nose via gramian-angular-field-based image conversion and convolutional neural networks architecture search

Y Zhu, T Wang, Z Li, W Ni, K Zhang, T He, M Fu… - Sensors and Actuators B …, 2024 - Elsevier
Recent years have witnessed the splendid performance of deep learning methods used in
gas recognition for electronic noses (E-nose). In addition to effective feature extraction, the …