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Your search keyword '"Dong, Linxi"' showing total 17 results
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17 results on '"Dong, Linxi"'

6. Noise Mitigation Strategies for Silicon-Based Active Neural Optrode

Author

Wang, Minghao, primary, Jin, Minyi, additional, Wang, Longchun, additional, Fan, Ye, additional, Xu, Jiahui, additional, Shang, Siyan, additional, Ni, Chuner, additional, Hu, Yili, additional, Cheng, Yuhua, additional, Dong, Linxi, additional, Ji, Bowen, additional, Liu, Jingquan, additional, and Wang, Gaofeng, additional

Published
2023
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7. A Micro-Airflow Sensor System Enabled by Triboelectric Nanogenerator for Lab Safety and Human–Computer Interaction

Author

Wang, Xucong, Li, Yingzhe, Liu, Chaoran, You, Weilong, Zou, Haiyang, Yue, Chenxi, Cheng, Jiagen, Yang, Weihuang, Li, Shaoxian, Lazarouk, Serguei, Labunov, Vladimir, Wang, Gaofeng, Lin, Hongjian, and Dong, Linxi

Abstract

The airflow sensor enabled by triboelectric nanogenerator (TENG) is significant for intelligent lab safety and human–computer interaction applications. However, the reported airflow/wind sensor focuses on enhancing the sensing materials and structures, lack of high resolution, and smart signal analysis. Herein, we present a self-powered micro-airflow sensor and its artificial intelligence (AI) system, applied for lab safety and human–computer interaction. The as-fabricated sensor has a high sensitivity of $0.6258~\mu \text{A}$ /(m/s) and a linearity of 0.9968. Attributing to the Venturi effect, the minimum detection velocity of the sensor is 0.13 m/s. Given the sensor performance, we develop a real-time pipeline gas leak location system with an AI user interface, which achieves a potential low detect error $\le 2.9$ cm. In addition, we successfully explore other applications, including human exit–entry counting, ventilation alarm, and breath-based smart aid communication. Above all, the airflow sensor exhibits tremendous potential in the AI and Internet of Things.

Published
2024
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8. A Wearable and Flexible Photoplethysmogram Sensor Patch for Cuffless Blood Pressure Estimation With High Accuracy

Author

Liu, Wenjing, primary, Cheng, Jiagen, additional, Wu, Zutang, additional, Li, Jin, additional, Shi, Wei, additional, Yang, Weihuang, additional, Jin, Ningjing, additional, Mu, Yuanbin, additional, Weng, Binhui, additional, Wu, Jiashu, additional, Hao, Dandan, additional, Liu, Chaoran, additional, Wang, Zhipeng, additional, Li, Gang, additional, and Dong, Linxi, additional

Published
2022
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9. A Fully Integrated Flexible Electronic System With Highly Sensitive MWCNTs Piezoresistive Array Sensors for Pressure Monitoring

Author

Cheng, Jiagen, primary, Mu, Yuanbin, additional, Liu, Chaoran, additional, Yang, Weihuang, additional, Liu, Wenjing, additional, Wang, Huanze, additional, Wu, Jiashu, additional, Hou, Fujing, additional, Hao, Dandan, additional, Cheng, Lian, additional, Weng, Binhui, additional, Chen, Ying, additional, and Dong, Linxi, additional

Published
2022
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12. A Novel Mathematical Method for Calculating the LCL-Type Matching of Ultrasonic Transducer for Liquefaction Treatment

Author

Guo, Nanxiang, Luo, Xiqi, Yan, Haixia, Liu, Chaoran, Yang, Weihuang, Zhao, Libo, and Dong, Linxi

Abstract

This article presents a novel mathematical method for calculating the inductor–capacitor–inductor (LCL)-type matching of ultrasonic transducer used in liquefaction treatment. When the ultrasonic transducer is used for liquefaction treatment, the load impedance changes drastically. With traditional inductor–capacitor (LC) matching circuits, the driving voltage of the transducer may become very high due to the sudden increase of the load impedance, especially at the startup. This ultrahigh voltage may cause damage to the transducer and generator. The LCL -type matching circuit calculated with the proposed mathematical method can keep the transducer voltage relatively stable no matter how the load changes. Since the variation of the load will lead to a slight change in the resonant frequency and the frequency tracking speed is limited by the software of the generator, the transducer may temporarily lose locking, which also causes the transducer voltage to fluctuate. This voltage fluctuation can be minimized by the LCL matching circuit provided in this article, and then, the LCL matching is quiet suitable for ultrasonic liquefaction treatment.

Published
2023
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