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Online Quality Assurance of Microchannels in Roll-to-Roll by Optical Coherence Tomography 基于光学相干层析成像的卷对卷微通道在线质量保证
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9128465
J. Lauri, C. Liedert, R. Liedert, T. Fabritius
{"title":"Online Quality Assurance of Microchannels in Roll-to-Roll by Optical Coherence Tomography","authors":"J. Lauri, C. Liedert, R. Liedert, T. Fabritius","doi":"10.1109/I2MTC43012.2020.9128465","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9128465","url":null,"abstract":"Roll-to-roll (R2R) process is an emerging technology to manufacture printed electronics, microfluidics, biochemical sensors etc. The requirements for high quality and small tolerances at the manufacturing phase are of the essence for such products. To verify the quality and guarantee the high production yield, high speed, non-destructive testing methods are needed. In this paper, optical coherence tomography (OCT) device is used at the R2R-line to measure online hot embossed microchannel structures at speed of 1 m/min, which is typical for the hot embossing process. The channel’s width and shape are determined along the web. The applicability of OCT for topography measurements is demonstrated in an actual R2R environment.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127913286","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
Real-time Measurement of Electrical Conductivity for Aluminium Wires Using a Novel Calibration Method 一种新型校准方法实时测量铝线电导率
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9129145
Shuang Zhu, J. S. Avila, W. Yin, A. Peyton, J. Ding, S. Williams
{"title":"Real-time Measurement of Electrical Conductivity for Aluminium Wires Using a Novel Calibration Method","authors":"Shuang Zhu, J. S. Avila, W. Yin, A. Peyton, J. Ding, S. Williams","doi":"10.1109/I2MTC43012.2020.9129145","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9129145","url":null,"abstract":"This paper presents a strategy for non-contact measurement of the conductivity of Aluminum wires used in wire + arc additive manufacture. A cylindrical electromagnetic sensor consisting of coil pair (an excitation and a receiver coil) is designed and the change in the mutual inductance due to the presence of the wire inside the sensor is measured at multiple frequencies. A novel calibration method is proposed. It was found that the calibrated inductance agrees well with the inductance measured by a commercial instrument. Moreover, the phase of the inductance is linearly related to the conductivity of the wire measured via a contact four-terminal measurement method. This technique can be potentially applied to the real-time in-situ inspection of metal wires by measuring their conductivity variation, which could contribute to the quality control of wire + arc additive manufacture processes.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131456221","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
Bumble Bee Traffic Monitoring Using Acoustics 利用声学监测大黄蜂的交通
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9129582
David Heise, Zach Miller, Mackenzie Wallace, C. Galen
{"title":"Bumble Bee Traffic Monitoring Using Acoustics","authors":"David Heise, Zach Miller, Mackenzie Wallace, C. Galen","doi":"10.1109/I2MTC43012.2020.9129582","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9129582","url":null,"abstract":"This paper describes an automated system for acoustically monitoring bumble bee arrivals and departures from nests. In the last two decades, ecological research has demonstrated a widespread decline of bumble bees (Bombus spp.). Given that bumble bees are one of the most ecologically and economically important groups of pollinators, it is a priority to develop tools for detecting changes in worker foraging rate as \"real-time\" indicators of colony health. To collect data for developing these tools, we constructed and deployed artificial domiciles for queens to naturally take as residence. A single microphone was placed inside each nest to record intra-colony acoustics, and the audio from these microphones was processed to automatically report arrivals to and departures from the nest by resident bees. The described system reports time of each arrival or departure along with other features (especially fundamental frequency), providing a foundation for ongoing improvements in remote monitoring that will yield greater insights into bumble bee behavior and colony development.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132373117","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
An Enhanced Oscillator Model for Clock Synchronization Protocols 时钟同步协议的增强型振荡器模型
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9128710
B. Renczes, T. Kovácsházy
{"title":"An Enhanced Oscillator Model for Clock Synchronization Protocols","authors":"B. Renczes, T. Kovácsházy","doi":"10.1109/I2MTC43012.2020.9128710","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9128710","url":null,"abstract":"This paper describes an enhanced oscillator model that is able to handle several disturbing noise sources influencing its instantaneous frequency and/or phase. Besides the well-known white and random walk frequency noises, also flicker noise is generated. It is highlighted that flicker noise can only be applied with limitations. Furthermore, the model is able to accept the temperature dependence of the oscillator as input. Although this is an important influencing parameter, especially for low-cost oscillators, this effect is often neglected. Therefore, with this supplement, a more realistic oscillator model can be achieved. The functionality of the model is demonstrated through simulations. During the tests, three temperature patterns along with generally assumed Gaussian type noise sources are investigated in order to simulate real circumstances. The effects are analyzed by help of Allan variance plots. It is highlighted that for long time intervals, temperature dependence affects the Allan variance of low-cost and temperature compensated crystal oscillators (TCXOs) considerably.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132464206","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
Mass Flow Rate Measurement of Pneumatically Conveyed Particles Through Acoustic Emission Detection and Electrostatic Sensing 基于声发射检测和静电传感的气力输送颗粒质量流量测量
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9128471
Ge Zheng, Yong Yan, Yonghui Hu, Wenbiao Zhang, Long Yang, Lanqi Li
{"title":"Mass Flow Rate Measurement of Pneumatically Conveyed Particles Through Acoustic Emission Detection and Electrostatic Sensing","authors":"Ge Zheng, Yong Yan, Yonghui Hu, Wenbiao Zhang, Long Yang, Lanqi Li","doi":"10.1109/I2MTC43012.2020.9128471","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9128471","url":null,"abstract":"Accurate online mass flow rate measurement of pneumatically conveyed particles is desirable to convert a conventional pulverized fuel fired power station into a smart thermal power plant. This paper presents a novel method for the online measurement of the mass flow rate of pulverized fuel through acoustic emission (AE) detection and electrostatic sensing. An integrated sensing head with an AE probe and three arc-shaped three-electrode electrostatic sensor arrays is developed. The proposed method determines the particle velocity by multiple-channel cross correlation of the sensor signals and extracts the information about mass flow rate from the AE signal arising from impacts of particles with a waveguide protruding into the flow. A theoretical model that relates the energy of the AE signals, the particle velocity and the mass flow rate is established. The sensing head was mounted on a vertical section of a 72-mm bore laboratory-scale test rig conveying fine silica particles. Experimental tests were conducted under a range of flow conditions to assess the performance of the developed measurement system. The results demonstrate that the instrumentation system is capable of measuring the mass flow rate of particles with a relative error within ±6.5% over the mass flow rate from 7 kg/h to 25 kg/h.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132492002","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: 7
I2MTC 2020 Table of Contents I2MTC 2020目录
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/i2mtc43012.2020.9128983
{"title":"I2MTC 2020 Table of Contents","authors":"","doi":"10.1109/i2mtc43012.2020.9128983","DOIUrl":"https://doi.org/10.1109/i2mtc43012.2020.9128983","url":null,"abstract":"","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132517729","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
Handheld Device for Rapid Detection of miRNA based on a Ratiometric Transmittance Scheme 基于比率透过率方案的手持miRNA快速检测装置
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9129284
Jorge Losada Matias, Adrián Sánchez Visedo, M. V. Llopis, F. Ferrero, J. M. Costa-Fernández, M. T. Fernández-Argüelles, Juan Carlos Campo Rodríguez, A. Cabezuelo
{"title":"Handheld Device for Rapid Detection of miRNA based on a Ratiometric Transmittance Scheme","authors":"Jorge Losada Matias, Adrián Sánchez Visedo, M. V. Llopis, F. Ferrero, J. M. Costa-Fernández, M. T. Fernández-Argüelles, Juan Carlos Campo Rodríguez, A. Cabezuelo","doi":"10.1109/I2MTC43012.2020.9129284","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9129284","url":null,"abstract":"MicroRNAs (miRNAs) are a novel class of biomarkers that can be present in different biological samples, which can be related to many diseases. Controlled aggregation of gold nanoparticles (GNPs) in the presence of miRNAs can be used to perform a rapid detection of miRNAs based on color change. Sometimes the color change can be observed with the naked eye; however, this is not always possible. This work proposes the design of a novel instrumental prototype that allows performance of simultaneous transmittance measurements at different wavelengths. Once the signals are obtained, the system calculates the 525nm/650nm transmittance ratio and the miRNA concentration, displaying and recording the results in a smartphone. This prototype has been validated to detect the miRNA \"miR146a,\" which is found in higher concentrations in milk and tissues in cases of bovine mastitis.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130120868","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
Plastic Optical Fiber Sensors and Magnetic Fluids: Plasmonic Tunability and Sensing properties for Measurements 塑料光纤传感器和磁流体:用于测量的等离子体可调性和传感特性
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9129524
N. Cennamo, F. Arcadio, L. Zeni, B. Andò, S. Baglio, V. Marletta
{"title":"Plastic Optical Fiber Sensors and Magnetic Fluids: Plasmonic Tunability and Sensing properties for Measurements","authors":"N. Cennamo, F. Arcadio, L. Zeni, B. Andò, S. Baglio, V. Marletta","doi":"10.1109/I2MTC43012.2020.9129524","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9129524","url":null,"abstract":"The optical properties of multimode plastic optical fibers (POFs) could be used for both the monitoring of magnetic field and for the tuning of plasmonic phenomenon, when a magnetic fluid was deposited on its cladding and it is connected in input to a plasmonic POF sensor. In this case, a magnetic field exerts a bending force on the POF covered with magnetic fluid, thus producing a variation of light in input to the plasmonic POF sensor and changing the plasmonic phenomenon. In particular, the focus of this work is the assessment of the tuning mechanism for the plasmonic phenomenon, which has been performed through a dedicated measurement approach. Preliminary experimental results are here presented to demonstrate how this approach can be used to change several plasmonic parameters, such as the sensitivity and the signal-to-noise ratio (SNR). This approach could be used in biosensing applications, where even smaller variation of the plasmonic response can significantly improve the detection of substances.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"235 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134131689","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
On Measuring Power Efficiency in DC-DC Converters at Light Load Currents 轻载电流下DC-DC变换器功率效率的测量
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9129171
M. Gasulla, F. Reverter
{"title":"On Measuring Power Efficiency in DC-DC Converters at Light Load Currents","authors":"M. Gasulla, F. Reverter","doi":"10.1109/I2MTC43012.2020.9129171","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9129171","url":null,"abstract":"This paper tackles the problematic issue of measuring the efficiency at DC-DC converters operating in PFM mode, which are used for light loads such as sensor nodes. Such converters present a pulsed input current, which hinders a correct estimation of the average input power. For estimating it, two instruments were used (a power analyzer and a current waveform analyzer) as well as two methods respectively based on the following calculations: 1) exact from the voltage and current samples and 2) approximate from the average values of voltage and current. Tests were performed on a commercial boost converter (TPS61020). With both instruments, the first method provided correct values for the efficiency whereas the second, which is the most commonly used, underestimated the efficiency by a 3 % and 1.5 % for load currents of 10 mA and 70 mA, respectively. Just adding an input capacitor of 100 µF solved that problem. The use of this capacitor was also beneficial for the first method when using the power analyzer since it reduced the instrument uncertainty.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130933100","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
Scalable Retrofit Angular Position Sensor System 可扩展的改进角位置传感器系统
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2020-05-01 DOI: 10.1109/I2MTC43012.2020.9129237
Harald Gietler, Christian Stetco, H. Zangl
{"title":"Scalable Retrofit Angular Position Sensor System","authors":"Harald Gietler, Christian Stetco, H. Zangl","doi":"10.1109/I2MTC43012.2020.9129237","DOIUrl":"https://doi.org/10.1109/I2MTC43012.2020.9129237","url":null,"abstract":"This article presents an angular position measurement system, designed to match the needs of the ever growing field of robotics and automation. Often existing systems should be equipped with sensors to enable autonomous acting. The presented sensor front-end is comprised of a single transmitter and two receiver coils. The mutual inductance between transmitter and receiver coils is spatially modulated using conductive objects. The resulting measurements are the basis for the absolute angle estimation. Here, the entire geometry requires 270° which makes it retrofittable to existing systems. The coil design is based on Finite Element Method simulation. The simulation framework allows for robust design with respect to detrimental effects such as tilt between the coils and modulating objects. Additionally, the sensor front-end is scalable in size to match different devices in automation. The underlying physical principle guarantees for robustness with respect to many detrimental effects such as moisture, bad illumination or oil contamination. Access to the data is provided using CAN bus as well as Bluetooth wireless connection. The applicability of the sensor system is showcased on the example of an industrial log-grasping crane.","PeriodicalId":227967,"journal":{"name":"2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131120068","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: 4
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