Pub Date : 2024-10-14DOI: 10.1109/JPHOTOV.2024.3423764
Yongji Chen;Zhiqiang Mou;Jun Wang;Lihong Zhu;Yudan Gou;ZhengMing Sun
808 nm ten-junction laser power converters (LPCs) with different areas were designed and grown by metal-organic chemical vapor deposition. The I–V characteristics of the chips under three different testing conditions were compared to reveal the effect of heat accumulation on the performance of the LPCs. At the same time, the chip size effect was studied. In addition, the temperature of the LPCs was estimated based on its linear relationship with open-circuit voltage ( V oc ). Finally, the experiment of simultaneous wireless information and power transfer (SWIPT) was conducted to study the limitations on the performance of SWIPT based on the laser. A power transmission of 1.59 W and a data transmission rate of 200 kbit/s was achieved simultaneously.
{"title":"808 nm Laser Power Converters for Simultaneous Wireless Information and Power Transfer","authors":"Yongji Chen;Zhiqiang Mou;Jun Wang;Lihong Zhu;Yudan Gou;ZhengMing Sun","doi":"10.1109/JPHOTOV.2024.3423764","DOIUrl":"https://doi.org/10.1109/JPHOTOV.2024.3423764","url":null,"abstract":"808 nm ten-junction laser power converters (LPCs) with different areas were designed and grown by metal-organic chemical vapor deposition. The I–V characteristics of the chips under three different testing conditions were compared to reveal the effect of heat accumulation on the performance of the LPCs. At the same time, the chip size effect was studied. In addition, the temperature of the LPCs was estimated based on its linear relationship with open-circuit voltage (\u0000<italic>V</i>\u0000<sub>oc</sub>\u0000). Finally, the experiment of simultaneous wireless information and power transfer (SWIPT) was conducted to study the limitations on the performance of SWIPT based on the laser. A power transmission of 1.59 W and a data transmission rate of 200 kbit/s was achieved simultaneously.","PeriodicalId":2,"journal":{"name":"ACS Applied Bio Materials","volume":"14 6","pages":"890-900"},"PeriodicalIF":2.5,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142517909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zinc nitrate, a toxic substance usually found in industrial waste and agricultural residues, poses a serious threat to the aquaculture industry due to the poor water quality and harmful aquatic life. Effective monitoring of zinc nitrate contamination is essential to protect aquatic ecosystems and also ensures the safety of aquaculture products. This study presents a bismuth-immobilized optical fiber-based surface plasmon resonance (SPR) biosensor for the rapid detection of zinc nitrate contamination. The sensor design incorporates a ZBLAN core, NaF cladding, silver (Ag) as a plasmonic metal, and bismuth (Bi) to enhance detection sensitivity. In our work, we compared the sensor performance of the proposed bismuth-immobilized SPR biosensor with the conventional Ag-based sensor design. The performance of the proposed Ag-Bi sensor model is compared with the conventional Ag-based sensor. To improve the sensitivity and FOM, Ag layer thickness is varied between 50 and 80 nm with respect to the zinc nitrate concentrations of 0%, 1%, and 5%. Using the angular interrogation method, the resonance wavelength shifts are correlated to changes in refractive index (RI). The Bi-immobilized Ag layer achieved a maximum sensitivity of 5680 nm/RIU at 5% zinc nitrate concentration and an FOM of 95.2381 RIU −1 at 1%. While conventional Ag-based sensors attained a maximum sensitivity of 5240 nm/RIU and an FOM of 90.345 RIU −1 at 80 nm Ag thickness. The above results demonstrate that the Ag-Bi layer SPR biosensor is highly suitable for simultaneously detecting zinc nitrate and other heavy metal contaminants in water, providing a cost-effective solution for heavy metal contamination detection in aquatic industry.
{"title":"Bismuth-Immobilized Optical Fiber-Based SPR Nanosensor for Detection of Zinc Nitrate Contamination in Aquaculture Industry","authors":"Yesudasu Vasimalla;Nasih Hma Salah;Baljinder Kaur;Hogr M. Rasul;Chella Santhosh;Ramachandran Balaji;S.R. Srither;Santosh Kumar","doi":"10.1109/OJNANO.2024.3479869","DOIUrl":"https://doi.org/10.1109/OJNANO.2024.3479869","url":null,"abstract":"Zinc nitrate, a toxic substance usually found in industrial waste and agricultural residues, poses a serious threat to the aquaculture industry due to the poor water quality and harmful aquatic life. Effective monitoring of zinc nitrate contamination is essential to protect aquatic ecosystems and also ensures the safety of aquaculture products. This study presents a bismuth-immobilized optical fiber-based surface plasmon resonance (SPR) biosensor for the rapid detection of zinc nitrate contamination. The sensor design incorporates a ZBLAN core, NaF cladding, silver (Ag) as a plasmonic metal, and bismuth (Bi) to enhance detection sensitivity. In our work, we compared the sensor performance of the proposed bismuth-immobilized SPR biosensor with the conventional Ag-based sensor design. The performance of the proposed Ag-Bi sensor model is compared with the conventional Ag-based sensor. To improve the sensitivity and FOM, Ag layer thickness is varied between 50 and 80 nm with respect to the zinc nitrate concentrations of 0%, 1%, and 5%. Using the angular interrogation method, the resonance wavelength shifts are correlated to changes in refractive index (RI). The Bi-immobilized Ag layer achieved a maximum sensitivity of 5680 nm/RIU at 5% zinc nitrate concentration and an FOM of 95.2381 RIU\u0000<sup>−1</sup>\u0000 at 1%. While conventional Ag-based sensors attained a maximum sensitivity of 5240 nm/RIU and an FOM of 90.345 RIU\u0000<sup>−1</sup>\u0000 at 80 nm Ag thickness. The above results demonstrate that the Ag-Bi layer SPR biosensor is highly suitable for simultaneously detecting zinc nitrate and other heavy metal contaminants in water, providing a cost-effective solution for heavy metal contamination detection in aquatic industry.","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":"5 ","pages":"80-88"},"PeriodicalIF":1.8,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10715639","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142595070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-14DOI: 10.1109/JSEN.2024.3476289
Shichao Li;Zhiqiang Yu;Lian Chen
Compared with the terrestrial network, the air-ground integrated network composed of unmanned aerial vehicles (UAVs) and high-altitude platforms (HAPs) has the advantages of large coverage, high capacity, and seamless connectivity, which can provide effective communication services for the Internet of Remote Things (IoRT) sensors. In this article, considering two transmission modes for two types of data with different delay requirements, and the limited battery capacity of UAV, we formulate a joint resource allocation and UAV trajectory design problem in clustered nonorthogonal multiple access (C-NOMA) air-ground integrated IoRT sensors network to maximize the data collection efficiency. For the formulated nonconvex problem, the deep deterministic policy gradient (DDPG) method can solve it. However, the DDPG method has the Q-value overestimation problem; in order to alleviate the problem, the twin-delayed DDPG (TD3) method with a double critic network is applied, and a TD3-based resource allocation algorithm is proposed to solve the primal problem. Simulation results verify that the proposed algorithm has better performance in terms of improving the data collection efficiency than other benchmark methods.
{"title":"Joint Resource Allocation and UAV Trajectory Design for Data Collection in Air-Ground Integrated IoRT Sensors Network With Clustered NOMA","authors":"Shichao Li;Zhiqiang Yu;Lian Chen","doi":"10.1109/JSEN.2024.3476289","DOIUrl":"https://doi.org/10.1109/JSEN.2024.3476289","url":null,"abstract":"Compared with the terrestrial network, the air-ground integrated network composed of unmanned aerial vehicles (UAVs) and high-altitude platforms (HAPs) has the advantages of large coverage, high capacity, and seamless connectivity, which can provide effective communication services for the Internet of Remote Things (IoRT) sensors. In this article, considering two transmission modes for two types of data with different delay requirements, and the limited battery capacity of UAV, we formulate a joint resource allocation and UAV trajectory design problem in clustered nonorthogonal multiple access (C-NOMA) air-ground integrated IoRT sensors network to maximize the data collection efficiency. For the formulated nonconvex problem, the deep deterministic policy gradient (DDPG) method can solve it. However, the DDPG method has the Q-value overestimation problem; in order to alleviate the problem, the twin-delayed DDPG (TD3) method with a double critic network is applied, and a TD3-based resource allocation algorithm is proposed to solve the primal problem. Simulation results verify that the proposed algorithm has better performance in terms of improving the data collection efficiency than other benchmark methods.","PeriodicalId":447,"journal":{"name":"IEEE Sensors Journal","volume":"24 22","pages":"38540-38550"},"PeriodicalIF":4.3,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The intense atmospheric background in near-earth space has huge interference on the star detection for all-time star sensors. To observe and track stars, traditional all-time star sensors with narrow field of view (FOV) must be installed on turntable platforms, which cannot achieve autonomous celestial attitude measurement. The innovative all-time star sensor based on FOV-gated technology controls the microshutter and microlens array, enabling rapid switching to subdivide the wide FOV and gate a narrow FOV. This system ensures the detection of multiple stars simultaneously by suppressing atmospheric background radiation, thereby achieving autonomous attitude determination. For the all-time star sensor, the accuracy of attitude measurement is not only related to system parameters but also to atmospheric radiation and transmission. Current parameter optimization methods are constrained by specific observation conditions, limiting their applicability across diverse scenarios and temporal variations. To overcome these limitations, we developed an analytical model that accounts for the distribution of spatiotemporal observation conditions, including the probability distribution of the solar zenith angle. Based on this model, the attitude accuracy of the star sensor under all spatiotemporal conditions is weighted and employed as the global optimization objective. An optimal design scheme was provided through optimization, leading to the fabrication of an actual optical lens, which was subsequently used to assemble a prototype. A ground-based experiment was conducted to validate the accuracy of the star detection model, followed by a simulation that confirmed the proposed design satisfies the requirements in the entire celestial sphere.
{"title":"Parameter Optimization for an All-Time Star Sensor Based on Field of View Gated Technology","authors":"Shaoyuan Zhong;Xinguo Wei;Jie Jiang;Jian Li;Gangyi Wang;Guangjun Zhang;Liang Fang","doi":"10.1109/JSEN.2024.3476311","DOIUrl":"https://doi.org/10.1109/JSEN.2024.3476311","url":null,"abstract":"The intense atmospheric background in near-earth space has huge interference on the star detection for all-time star sensors. To observe and track stars, traditional all-time star sensors with narrow field of view (FOV) must be installed on turntable platforms, which cannot achieve autonomous celestial attitude measurement. The innovative all-time star sensor based on FOV-gated technology controls the microshutter and microlens array, enabling rapid switching to subdivide the wide FOV and gate a narrow FOV. This system ensures the detection of multiple stars simultaneously by suppressing atmospheric background radiation, thereby achieving autonomous attitude determination. For the all-time star sensor, the accuracy of attitude measurement is not only related to system parameters but also to atmospheric radiation and transmission. Current parameter optimization methods are constrained by specific observation conditions, limiting their applicability across diverse scenarios and temporal variations. To overcome these limitations, we developed an analytical model that accounts for the distribution of spatiotemporal observation conditions, including the probability distribution of the solar zenith angle. Based on this model, the attitude accuracy of the star sensor under all spatiotemporal conditions is weighted and employed as the global optimization objective. An optimal design scheme was provided through optimization, leading to the fabrication of an actual optical lens, which was subsequently used to assemble a prototype. A ground-based experiment was conducted to validate the accuracy of the star detection model, followed by a simulation that confirmed the proposed design satisfies the requirements in the entire celestial sphere.","PeriodicalId":447,"journal":{"name":"IEEE Sensors Journal","volume":"24 22","pages":"38015-38024"},"PeriodicalIF":4.3,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Structural health monitoring (SHM) serves to safeguard the operational safety of building structures; however, the high cost of SHM nodes limits its large-scale applications. In this article, we propose a novel computational model that integrates the physical model of SHM sensing to generate “virtual” sensor nodes with reliable data output at zero additional deployment cost, thereby enabling cost-efficient sensing for SHM systems. To achieve this, we build a generative adversarial network (GAN) combined with the physical model and design a discriminator to ensure that the generated virtual sensor node data aligns with the authentic physical characteristics. The generator employs a 1-D convolutional layer in a convolutional neural network (CNN) and a bi-long short-term memory network (LSTM) model to capture spatial-temporal correlations, along with a weighted smoothing algorithm to reduce noise while preserving data integrity. To support the model, we design a spatial-channel attention mechanism to enhance robustness. We conduct tests on the real-world dataset of the Belgian railway bridge KW51, and the results indicate that our system can generate virtual sensor nodes with 98.2% accuracy toward the ground truth without the need to deploy new devices (with no additional deployment cost). Hence, with its reliable sensing and cost-efficient features, we believe that our system could be helpful in facilitating the large-scale application of SHM systems, thereby providing effective safety monitoring for a wider range of buildings.
{"title":"A Reliable Virtual Sensing Architecture With Zero Additional Deployment Costs for SHM Systems","authors":"Chong Zhang;Ke Lei;Xin Shi;Yang Wang;Ting Wang;Xin Wang;Lihu Zhou;Chuanhui Zhang;Xingjie Zeng","doi":"10.1109/JSEN.2024.3474678","DOIUrl":"https://doi.org/10.1109/JSEN.2024.3474678","url":null,"abstract":"Structural health monitoring (SHM) serves to safeguard the operational safety of building structures; however, the high cost of SHM nodes limits its large-scale applications. In this article, we propose a novel computational model that integrates the physical model of SHM sensing to generate “virtual” sensor nodes with reliable data output at zero additional deployment cost, thereby enabling cost-efficient sensing for SHM systems. To achieve this, we build a generative adversarial network (GAN) combined with the physical model and design a discriminator to ensure that the generated virtual sensor node data aligns with the authentic physical characteristics. The generator employs a 1-D convolutional layer in a convolutional neural network (CNN) and a bi-long short-term memory network (LSTM) model to capture spatial-temporal correlations, along with a weighted smoothing algorithm to reduce noise while preserving data integrity. To support the model, we design a spatial-channel attention mechanism to enhance robustness. We conduct tests on the real-world dataset of the Belgian railway bridge KW51, and the results indicate that our system can generate virtual sensor nodes with 98.2% accuracy toward the ground truth without the need to deploy new devices (with no additional deployment cost). Hence, with its reliable sensing and cost-efficient features, we believe that our system could be helpful in facilitating the large-scale application of SHM systems, thereby providing effective safety monitoring for a wider range of buildings.","PeriodicalId":447,"journal":{"name":"IEEE Sensors Journal","volume":"24 22","pages":"38527-38539"},"PeriodicalIF":4.3,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-11DOI: 10.1109/JSEN.2024.3472568
Lei Wang;Quan Huang;Tao Zhang;Wenxiao Fang;Zhangming Zhu
In this article, a symmetric probe with four ports is proposed for ultrawideband and simultaneous near-field measurement of ${H} _{x}$ and ${H} _{y}$ (along the horizontal direction of the probe) and ${E} _{z}$ (along the normal direction of the probe) components from 0.01 to 15 GHz. The probe incorporates four meticulously designed symmetrical loops, created from vias and traces within a four-layer printed circuit board (PCB), which serve the purpose of detecting radio frequency (RF) electric and magnetic fields. Due to the symmetric design, three orthogonal electromagnetic field components ( ${H} _{x}$ , ${H} _{y}$ , and ${E} _{z}$ ) can be extracted by common and differential calculation of the four signal outputs of the probe. A near-field scanning apparatus, integrated with a microstrip line, is used to characterize the performance of the electromagnetic field probe in application. To further verify the ultrawideband and simultaneous near-field measurement of ${H} _{x}$ , ${H} _{y}$ , and ${E} _{z}$ , the near-field scanning is meticulously executed on a Z-type microstrip interconnect, meticulously capturing the three-surface electric and magnetic fields. The measurement results are validated in simulation. Therefore, the designed ultrawideband probe has excellent features in wideband operation, multicomponent measurement ( ${H} _{x}$ , ${H} _{y}$ , and ${E} _{z}$ ), and electric-field suppression in near-field scanning, which can improve testing efficiency and reduce rotational measurement errors in actual electromagnetic interference (EMI) identification.
{"title":"Four-Port Probe for Simultaneous Measurement of Electric and Magnetic Fields in Near-Field Scanning","authors":"Lei Wang;Quan Huang;Tao Zhang;Wenxiao Fang;Zhangming Zhu","doi":"10.1109/JSEN.2024.3472568","DOIUrl":"https://doi.org/10.1109/JSEN.2024.3472568","url":null,"abstract":"In this article, a symmetric probe with four ports is proposed for ultrawideband and simultaneous near-field measurement of \u0000<inline-formula> <tex-math>${H} _{x}$ </tex-math></inline-formula>\u0000 and \u0000<inline-formula> <tex-math>${H} _{y}$ </tex-math></inline-formula>\u0000 (along the horizontal direction of the probe) and \u0000<inline-formula> <tex-math>${E} _{z}$ </tex-math></inline-formula>\u0000 (along the normal direction of the probe) components from 0.01 to 15 GHz. The probe incorporates four meticulously designed symmetrical loops, created from vias and traces within a four-layer printed circuit board (PCB), which serve the purpose of detecting radio frequency (RF) electric and magnetic fields. Due to the symmetric design, three orthogonal electromagnetic field components (\u0000<inline-formula> <tex-math>${H} _{x}$ </tex-math></inline-formula>\u0000, \u0000<inline-formula> <tex-math>${H} _{y}$ </tex-math></inline-formula>\u0000, and \u0000<inline-formula> <tex-math>${E} _{z}$ </tex-math></inline-formula>\u0000) can be extracted by common and differential calculation of the four signal outputs of the probe. A near-field scanning apparatus, integrated with a microstrip line, is used to characterize the performance of the electromagnetic field probe in application. To further verify the ultrawideband and simultaneous near-field measurement of \u0000<inline-formula> <tex-math>${H} _{x}$ </tex-math></inline-formula>\u0000, \u0000<inline-formula> <tex-math>${H} _{y}$ </tex-math></inline-formula>\u0000, and \u0000<inline-formula> <tex-math>${E} _{z}$ </tex-math></inline-formula>\u0000, the near-field scanning is meticulously executed on a Z-type microstrip interconnect, meticulously capturing the three-surface electric and magnetic fields. The measurement results are validated in simulation. Therefore, the designed ultrawideband probe has excellent features in wideband operation, multicomponent measurement (\u0000<inline-formula> <tex-math>${H} _{x}$ </tex-math></inline-formula>\u0000, \u0000<inline-formula> <tex-math>${H} _{y}$ </tex-math></inline-formula>\u0000, and \u0000<inline-formula> <tex-math>${E} _{z}$ </tex-math></inline-formula>\u0000), and electric-field suppression in near-field scanning, which can improve testing efficiency and reduce rotational measurement errors in actual electromagnetic interference (EMI) identification.","PeriodicalId":447,"journal":{"name":"IEEE Sensors Journal","volume":"24 22","pages":"37859-37868"},"PeriodicalIF":4.3,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142636517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-11DOI: 10.1109/JSEN.2024.3475211
Boshan Sun;Jijun Xiong;Yingping Hong;Wenping Zhang;Kun Bi;Miaomiao Zheng;Chen Li
In this article, a high-temperature resistant ac bridge pressure sensor is designed for the application of high temperature and pressure combined environment. The temperature drift error compensation of the pressure sensor is realized by designing and arranging the structure of temperature-sensitive and pressure-sensitive capacitors connected with the bridge. In particular, the sensor alumina ceramic substrate is prepared by the lamination postsintering process of green tapes, and the silver paste is tightly integrated on the alumina ceramic surface by the inkjet printing postsintering process. Among them, the high-temperature and pressure-sensitive compact cavity is formed by the creative carbon film filling process before the multilayer green tapes lamination. Finally, three sets of high temperature and temperature-pressure composite test platforms were built and the comprehensive performance of the sensor was tested. The results show that the sensor can work at a high temperature of not less than $700~^{circ }$ C and can complete the combined high temperature and high pressure test at a high temperature of $23~^{circ }$ C– $400~^{circ }$ C, in which the test error at $400~^{circ }$ C is less than 3.3%.
本文设计了一种耐高温交流电桥压力传感器，用于高温和高压组合环境的应用。通过设计和布置与电桥相连的温敏电容和压敏电容的结构，实现了压力传感器的温漂误差补偿。其中，传感器的氧化铝陶瓷基板采用绿色胶带层压后烧结工艺制备，银浆采用喷墨打印后烧结工艺紧密结合在氧化铝陶瓷表面。其中，在多层绿色胶带层压之前，通过创造性的碳膜填充工艺形成高温压敏致密腔体。最后，搭建了三套高温、温压复合试验平台，对传感器的综合性能进行了测试。结果表明，传感器能在不低于 700~^{circ }$ C 的高温下工作，并能在 23~^{circ }$ C- 400~^{circ }$ C 的高温下完成高温高压复合测试，其中在 400~^{circ }$ C 时的测试误差小于 3.3%。
{"title":"AC Bridge Pressure Sensor With Temperature Compensation for High Temperature and Pressure Composite Environment","authors":"Boshan Sun;Jijun Xiong;Yingping Hong;Wenping Zhang;Kun Bi;Miaomiao Zheng;Chen Li","doi":"10.1109/JSEN.2024.3475211","DOIUrl":"https://doi.org/10.1109/JSEN.2024.3475211","url":null,"abstract":"In this article, a high-temperature resistant ac bridge pressure sensor is designed for the application of high temperature and pressure combined environment. The temperature drift error compensation of the pressure sensor is realized by designing and arranging the structure of temperature-sensitive and pressure-sensitive capacitors connected with the bridge. In particular, the sensor alumina ceramic substrate is prepared by the lamination postsintering process of green tapes, and the silver paste is tightly integrated on the alumina ceramic surface by the inkjet printing postsintering process. Among them, the high-temperature and pressure-sensitive compact cavity is formed by the creative carbon film filling process before the multilayer green tapes lamination. Finally, three sets of high temperature and temperature-pressure composite test platforms were built and the comprehensive performance of the sensor was tested. The results show that the sensor can work at a high temperature of not less than \u0000<inline-formula> <tex-math>$700~^{circ }$ </tex-math></inline-formula>\u0000C and can complete the combined high temperature and high pressure test at a high temperature of \u0000<inline-formula> <tex-math>$23~^{circ }$ </tex-math></inline-formula>\u0000C–\u0000<inline-formula> <tex-math>$400~^{circ }$ </tex-math></inline-formula>\u0000C, in which the test error at \u0000<inline-formula> <tex-math>$400~^{circ }$ </tex-math></inline-formula>\u0000C is less than 3.3%.","PeriodicalId":447,"journal":{"name":"IEEE Sensors Journal","volume":"24 22","pages":"36579-36586"},"PeriodicalIF":4.3,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142636228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gaze movement is a crucial index of human attention and thus shows great potential in human-computer interaction. Head-mounted devices (HMDs) are developing rapidly and show a great demand for head-mounted gaze-tracking techniques. However, the lack of slippage robustness and excessive calibration time still bother current gaze-tracking systems. This article proposes STARE, a head-mounted real-time gaze tracking system with slippage-robust gaze estimation and minimal calibration. STARE leverages the eyeball kinematics, specifically Listing’s law and Donder’s law, to propose a mapping function for slippage robust gaze estimation that holds physical significance. Our succinct mapping function minimizes personal calibration time to its lowest. The experimental results of 40 subjects demonstrate that our system achieves a mean angular error of ${0}.{71}^{circ } $ under varying levels of device slippage and decreases the personal calibration time to less than 1 s. STARE outperforms state-of-the-art methods in gaze tracking accuracy and precision. Our system is convenient for practical usage and shows excellent potential for gaze tracking.
{"title":"Eyeball Kinematics Informed Slippage Robust Gaze Tracking","authors":"Wei Zhang;Jiaxi Cao;Xiang Wang;Pengfei Xia;Bin Li;Xun Chen","doi":"10.1109/JSEN.2024.3475009","DOIUrl":"https://doi.org/10.1109/JSEN.2024.3475009","url":null,"abstract":"Gaze movement is a crucial index of human attention and thus shows great potential in human-computer interaction. Head-mounted devices (HMDs) are developing rapidly and show a great demand for head-mounted gaze-tracking techniques. However, the lack of slippage robustness and excessive calibration time still bother current gaze-tracking systems. This article proposes STARE, a head-mounted real-time gaze tracking system with slippage-robust gaze estimation and minimal calibration. STARE leverages the eyeball kinematics, specifically Listing’s law and Donder’s law, to propose a mapping function for slippage robust gaze estimation that holds physical significance. Our succinct mapping function minimizes personal calibration time to its lowest. The experimental results of 40 subjects demonstrate that our system achieves a mean angular error of \u0000<inline-formula> <tex-math>${0}.{71}^{circ } $ </tex-math></inline-formula>\u0000 under varying levels of device slippage and decreases the personal calibration time to less than 1 s. STARE outperforms state-of-the-art methods in gaze tracking accuracy and precision. Our system is convenient for practical usage and shows excellent potential for gaze tracking.","PeriodicalId":447,"journal":{"name":"IEEE Sensors Journal","volume":"24 22","pages":"37620-37629"},"PeriodicalIF":4.3,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-11DOI: 10.1109/JSEN.2024.3473612
Yangyang Xu;Xian Zhang;Xiao-Song Zhu;Yi-Wei Shi
The dual recognition method has been applied extensively as an attractive strategy, which effectively improved the specificity of detection. Herein, a novel silver-coated hollow fiber (HF) surface plasmon resonance (SPR) sensor based on a dual-recognition strategy for high-sensitivity detection of dopamine (DA) was presented. The 4-mercaptophenylboronic acid (PMBA) monolayer was self-assembled on the silver film surface in the sensor as the recognition layer. Meanwhile, 4-mercaptobenzoic acid (4-MBA)-modified gold nanoparticles (AuNPs) were adopted as the signal amplification tag to enhance the wavelength shift of the SPR phenomenon excited by the light transmitted in the wall of the HF sensor. Experiments of detection for DA were taken in the concentration range of 0.1 nM– $10~mu text { M}$ to investigate the performance of the biosensor. The influences of concentrations of palladium chloride (PdCl2) in pretreatment and the AuNPs size were investigated to improve the performance of the HF SPR sensor. The experimental results showed that the limit of detection (LOD) for DA achieved as low as 0.1 nM. The presented HF SPR sensor with a dual-recognition structure based on self-assembled recognition monolayer and AuNPs shows a large potential for the detection of small biomolecules in biosensing.
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Pub Date : 2024-10-11DOI: 10.1109/JPHOTOV.2024.3466214
Takaya Sugiura;Yuta Watanabe
In this study, we demonstrates a self-powered self-generated nanoampere current source using a semi-open-circuit photovoltaic cell. This cell was designed by connecting a large resistance to a photovoltaic cell that enabled the output of a very small current. By changing load resistances, the output current can be linearly modified. We have conducted the numerical simulations to validate the concept and discussed effects of load resistance, cell area and light source to output current. Our experiment demonstrated that a sufficiently stable current output can be obtained using different light sources, and inversely linear relationship between the output current and the load resistance was obtained. We anticipate that sufficient photocurrent would be required to stabilize the output current.
{"title":"Photovoltaic-Generated Nanoampere Current Source Designed on Silicon LSIs","authors":"Takaya Sugiura;Yuta Watanabe","doi":"10.1109/JPHOTOV.2024.3466214","DOIUrl":"https://doi.org/10.1109/JPHOTOV.2024.3466214","url":null,"abstract":"In this study, we demonstrates a self-powered self-generated nanoampere current source using a semi-open-circuit photovoltaic cell. This cell was designed by connecting a large resistance to a photovoltaic cell that enabled the output of a very small current. By changing load resistances, the output current can be linearly modified. We have conducted the numerical simulations to validate the concept and discussed effects of load resistance, cell area and light source to output current. Our experiment demonstrated that a sufficiently stable current output can be obtained using different light sources, and inversely linear relationship between the output current and the load resistance was obtained. We anticipate that sufficient photocurrent would be required to stabilize the output current.","PeriodicalId":2,"journal":{"name":"ACS Applied Bio Materials","volume":"14 6","pages":"901-906"},"PeriodicalIF":2.5,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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