2021 IEEE Sensors最新文献

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Numerical and Experimental Study of a Phononic-Fluidic Sensor Using a Cubic Unit Cell with Spherical Void 球面孔洞立方胞体声子-流体传感器的数值与实验研究
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639587
Y. Belahurau, J. S. Jensen, F. Lucklum
{"title":"Numerical and Experimental Study of a Phononic-Fluidic Sensor Using a Cubic Unit Cell with Spherical Void","authors":"Y. Belahurau, J. S. Jensen, F. Lucklum","doi":"10.1109/SENSORS47087.2021.9639587","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639587","url":null,"abstract":"This paper presents a design study of a phononic-fluidic cavity sensor to measure volumetric properties of different liquids. A 3D finite element model shows that the sensor performance drastically depends on the lattice constant of a phononic crystal unit cell. As a result, the numerical model predicts the quality factor up to 200. As proof of concept, we fabricated several sensors using microstereolithography printing, and performed their experimental characterization. We achieved a good match of resonance frequency in the numerical model and experiments. Our experimental results displays a quality factor up to 55, and clearly separated resonance frequencies for different liquids in the cavity, with frequency shifts corresponding to differences in density and speed of sound.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"15 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80287964","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}
引用次数: 1
Sensor for In-situ Detection of Bacteria in Urinary Tract Infection 尿路感染细菌原位检测传感器
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639501
W. Yi, Jiachen Liu, Z. Cheng, Tung-Shi Huang, Kenny V. Brock
{"title":"Sensor for In-situ Detection of Bacteria in Urinary Tract Infection","authors":"W. Yi, Jiachen Liu, Z. Cheng, Tung-Shi Huang, Kenny V. Brock","doi":"10.1109/SENSORS47087.2021.9639501","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639501","url":null,"abstract":"Detection of bacteria in urine is essential for the early diagnosis of infectious diseases, especially urinary tract infection (UTI). Traditional methods of UTI detection are time-consuming and require a series of steps for sample processing and nurses’ intervene. In this work, a novel type of biosensor that uses antibodies as the bio-probe and magnetostrictive particles (MSPs) as the sensor platform is developed. The biosensor significantly simplifies the UTI detection into one step without any intervene or sample processing by nurses. No cell cultivation or lysis process is needed. Escherichia coli was used in the experiments to demonstrate the advantages of the biosensor. That is, Escherichia coli in urine is monitored by the sensor signal - resonant frequency shift of the MSP. It experimentally demonstrated that the sensors could generate stable signals in urine environments and the observed frequency shift was almost instantly and became increasingly apparent in as short as 20 minutes.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"10 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81279682","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}
引用次数: 0
New heterostructured Ni3S2-rGO based room temperature NH3 sensor 新型异质结构Ni3S2-rGO室温NH3传感器
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639478
B. Tlhaole, Neil J. Coville, E. Linganiso, N. Redon, C. Duc, J. Wojkiewicz, Thomas Fagniez
{"title":"New heterostructured Ni3S2-rGO based room temperature NH3 sensor","authors":"B. Tlhaole, Neil J. Coville, E. Linganiso, N. Redon, C. Duc, J. Wojkiewicz, Thomas Fagniez","doi":"10.1109/SENSORS47087.2021.9639478","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639478","url":null,"abstract":"Two-dimensional (2D) layered transition metal chalcogenide nanomaterial (rhombohedral phase Ni3S2) hybridized with reduced graphene oxide layers to form a new mesoporous 2D heterostructure framework was fabricated using simple chemical methods. A thin layer of the prepared heterostructure was deposited onto gold electrodes which were fixed into polyethylene terephthalate (PET) flexible substrates. The prepared device showed a reproducible room temperature sensitivity to 80 ppb ammonia concentration at 50 % relative humidity.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"12 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90224572","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}
引用次数: 1
Adding Object Manipulation Capabilities to Social Robots by using 3D and RGB Cameras Data 通过使用3D和RGB相机数据为社交机器人添加对象操作功能
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639608
G. Mezzina, D. Venuto
{"title":"Adding Object Manipulation Capabilities to Social Robots by using 3D and RGB Cameras Data","authors":"G. Mezzina, D. Venuto","doi":"10.1109/SENSORS47087.2021.9639608","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639608","url":null,"abstract":"This paper outlines the design and implementation of novel object manipulation for a social robot, here Pepper by SoftBank Robotics. It is primarily designed for verbal interaction and has therefore not been equipped with object manipulation capabilities. The proposed routine exploits the built-in RGB and 3D cameras. First, semantic segmentation based on the Mini-YOLOv3 neural network is run on the RGB image. Next, 3D sensor data are used to position the hand over the object, implementing a novel routine to grab the object and to scan it for recognition purposes. To preserve patient and location sensitive data, the here-proposed architecture operates automatically and offline, running on the robot’s operating system. Experimental results on 370 grabbing processes showed how the manipulation routine achieves a grabbing success rate of up to 96%. They also proved that the success rate remains unaltered if the target object is positioned in a rectangular area of ± 6 cm × ± 3 cm centered in the nominal position provided by an initial positioning grid. The grabbing success rate remains above 80% even if the object to be grabbed is stored with an angle that ranges between 10° and 45° within the above-reported area.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"707 ","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91449074","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}
引用次数: 0
Acoustic and Ultrasonic Characterisation of Blockages and Defects in Underground Pipes 地下管道堵塞和缺陷的声学和超声表征
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639823
Alex Towlson, Yicheng Yu, G. Sailor, K. Horoshenkov, A. Croxford, B. Drinkwater
{"title":"Acoustic and Ultrasonic Characterisation of Blockages and Defects in Underground Pipes","authors":"Alex Towlson, Yicheng Yu, G. Sailor, K. Horoshenkov, A. Croxford, B. Drinkwater","doi":"10.1109/SENSORS47087.2021.9639823","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639823","url":null,"abstract":"This paper explores sensing methodologies for the detection and characterisation of blockages in pipes by small robotic platforms. It proposes the use of low frequency acoustic measurements to detect blockages at range, while a higher frequency ultrasonic array is used to characterise them at closer range. The paper explores how these systems may be optimised for such a process, through the number of elements in both the acoustic and Ultrasonic array. This ensures that the developed sensing approach is suitable for application in this difficult environment.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"18 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84919015","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}
引用次数: 1
Detecting Charge Separation in Optoelectronic Materials and Devices Using Planar Microwave Resonators: An Overview 利用平面微波谐振器检测光电材料和器件中的电荷分离:综述
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639735
M. Rana, K. Shankar
{"title":"Detecting Charge Separation in Optoelectronic Materials and Devices Using Planar Microwave Resonators: An Overview","authors":"M. Rana, K. Shankar","doi":"10.1109/SENSORS47087.2021.9639735","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639735","url":null,"abstract":"The advent of high Q-factor planar microwave resonators has opened up new possibilities for the electronic characterization of semiconductor heterojunctions and hot carrier plasmonic devices. The high sensitivity of planar microwave resonators to changes in the complex permittivity of semiconductor materials placed in the resonator coupling gap allows detection of both mobile and trapped carriers. Therefore, long-lived excess carriers in relaxation-type semiconductors occurring either due to photoexcitation or hot carrier injection from a plasmonic sensitizer can be detected and quantified. Application of a large signal DC bias on top of the small-signal microwave bias further enables differentiation between trapped electrons and trapped holes. In most cases, characteristic lifetimes for trap-mediated processes can also be extracted.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"97 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77952914","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}
引用次数: 0
Effects of Sensor Cover Damages on Point Clouds of Automotive Lidar 传感器罩损伤对汽车激光雷达点云的影响
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639697
Birgit Schlager, T. Goelles, D. Watzenig
{"title":"Effects of Sensor Cover Damages on Point Clouds of Automotive Lidar","authors":"Birgit Schlager, T. Goelles, D. Watzenig","doi":"10.1109/SENSORS47087.2021.9639697","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639697","url":null,"abstract":"Safe automated driving requires reliable perception sensors with low fault rates. Detecting perception sensor faults before path planning avoids fault propagation through the processing pipeline of automated vehicles. As the basis for further development of fault detection algorithms, the present work presents effects of damaged lidar sensor covers considering scratches, cracks, and holes. We used an automotive lidar, which provides point clouds, and calculated deviations between the lidar points on a target and an ideal plane representing the target to evaluate the effect of damaged covers. Results show that sensor cover damages have an effect on point cloud data.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"111 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80645032","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}
引用次数: 1
Enhanced gas sensing characteristics of metal doped WS2 nanoflowers 金属掺杂WS2纳米花增强气敏特性
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639580
Aanchal Alagh, F. Annanouch, E. Llobet
{"title":"Enhanced gas sensing characteristics of metal doped WS2 nanoflowers","authors":"Aanchal Alagh, F. Annanouch, E. Llobet","doi":"10.1109/SENSORS47087.2021.9639580","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639580","url":null,"abstract":"Herein, we demonstrate gas sensing characteristics of metal-decorated WS2 towards ammonia (NH3) gas detection at moderate temperature. Chemiresistive sensors are fabricated using a combination of chemical vapor deposition method with sputter deposition technique. WO3 nanowires grown via aerosol assisted chemical vapor deposition technique are sulfurized to form tungsten disulfide nanoflowers. The as grown nanoflowers are then decorated with metal nanoparticles of gold, silver and palladium using the sputtering technique at different deposition time and temperatures. The morphological and structural characteristics were studied using FE-SEM and Raman spectroscopy. The performance of the three fabricated sensors is compared towards NH3 gas detection at room and elevated temperatures. Results show that the synthesized material (WS2/Pd, WS2/Au, WS2/Ag) behaves as a p-type semiconductor towards NH3 gas. Also, the results of NH3 gas sensing characteristics demonstrated the promising effects of palladium decoration for the enhanced response in low-power consumption. Moreover, the room-temperature operation of the three sensors is discussed. Hence, this study demonstrates the realization of a high-performance NH3 gas sensor using a facile route along with low power consumption.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"47 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78408934","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}
引用次数: 0
A Fully Differential PPG Readout Amplifier with a Reconfigurable Bandwidth for Power Minimization 具有可重构带宽的全差分PPG读出放大器,用于功率最小化
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639589
Zeqi Zhang, Shuang Song, Tian Yang, Mengyu Li, Zheng Gu, Yizhao Zhou, Menglian Zhao
{"title":"A Fully Differential PPG Readout Amplifier with a Reconfigurable Bandwidth for Power Minimization","authors":"Zeqi Zhang, Shuang Song, Tian Yang, Mengyu Li, Zheng Gu, Yizhao Zhou, Menglian Zhao","doi":"10.1109/SENSORS47087.2021.9639589","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639589","url":null,"abstract":"This paper presents a low-power, full voltage range, fully differential optical sensor readout amplifier for photoplethysmography (PPG) recordings. The proposed system architecture employs a novel bias circuit together with a three-stage fully differential amplifier based transimpedance amplification stage. The bias circuit provides a DC biasing voltage for photodiode (PD) and isolates the large PD parasitic capacitance from the core amplifier, without reducing the output voltage range. The three-stage amplifier provides a high gain and its output stage exploits a class AB topology, increasing the driving capability. Moreover, the bandwidth of the system can be reconfigurable by changing the feedback components, which can improve the signal to noise ratio (SNR) and reduce the system power consumption. The amplifier and auxiliary circuit are implemented in a standard 55nm CMOS process. The simulation results show that the readout system consumes a total power of 46µA current from 1.2V supply. Also, the correlated double sampling based ambient cancellation functionality is realized successfully.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"312 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78916367","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}
引用次数: 2
A Smart Mandibular Device for Intra-oral Electroencephalogram Monitoring 一种用于口腔内脑电图监测的下颌智能装置
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639704
Shibam Debbarma, S. Bhadra
{"title":"A Smart Mandibular Device for Intra-oral Electroencephalogram Monitoring","authors":"Shibam Debbarma, S. Bhadra","doi":"10.1109/SENSORS47087.2021.9639704","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639704","url":null,"abstract":"Electroencaphalography (EEG) is one of the vital signs monitored during sleep study for patients suffering from obstructive sleep apnea disorder (OSA). OSA is a condition where patients suffer from irregular sleep patterns due to difficulty in breathing. A possible treatment of OSA is use of mandibular advancement devices (MADs). In this manuscript, we present a smart MAD that can monitor intraoral EEG signal. The device acquires intra-oral EEG signal from the mouth-roof. So far very limited research is done in the area of intra-oral EEG monitoring. The proposed smart MAD consists of a MAD, three flexible gold EEG electrodes and an EEG measurement system implemented on a flexible polymide substrate. The measurement system is battery operated and sends EEG data wirelessly using a BLE 5.0 transceiver. The system is validated by acquiring intra-oral EEG signal for \"eye-open\" and \"eye-close\" activities of five volunteers. The frequency domain analysis of the intra-oral EEG signal clearly shows that \"eye-open\" and \"eye-close\" activities can be detected from the data. In future, this smart MAD will be used to acquire intra-oral EEG data during sleep for OSA patients and determine sleep stages.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"49 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76382366","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}
引用次数: 3
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