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Measuring Heart Rate with a Heat Flux Sensor 用热通量传感器测量心率
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9459914
Antti Immonen, Saku Levikari, Heikki Peltonen, Mika Silvennoinen, H. Kyröläinen, A. Mityakov, P. Silventoinen, M. Kuisma
{"title":"Measuring Heart Rate with a Heat Flux Sensor","authors":"Antti Immonen, Saku Levikari, Heikki Peltonen, Mika Silvennoinen, H. Kyröläinen, A. Mityakov, P. Silventoinen, M. Kuisma","doi":"10.1109/I2MTC50364.2021.9459914","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9459914","url":null,"abstract":"Different wearable biosignal measurement applications require minimally obtrusive and highly sensitive sensors and methods of transducing the heart pulse into an electric signal. At the same time, the sensors should have minimal power consumption and preferably provide information about more than just the heart rate. In this study, a method employing a heat flux sensor for recording the pulsatile cardiac component of an arterial pulse waveform is presented. The output signals of a conventional photoplethysmography (PPG) sensor and a heat flux sensor were recorded and compared with one another. The results show that a heat flux sensor can be used for measurement of heart pulse, in addition to previously reported advantages of using the sensor for wearable metabolic heat measurement.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"3 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78528249","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
Measurement of Very Fast Transient Overvoltages in Current Transformers at Open Air HV Substations 露天高压变电站电流互感器快速瞬态过电压的测量
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9459941
D. Slomovitz, M. Brehm, R. Sandler, C. Faverio, L. Trigo, Alejandro Santos, G. Aristoy
{"title":"Measurement of Very Fast Transient Overvoltages in Current Transformers at Open Air HV Substations","authors":"D. Slomovitz, M. Brehm, R. Sandler, C. Faverio, L. Trigo, Alejandro Santos, G. Aristoy","doi":"10.1109/I2MTC50364.2021.9459941","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9459941","url":null,"abstract":"Very fast transient overvoltages appear when switches operate in high voltage networks. In some cases, they can affect near current transformers (CT). In this paper, a new methodology for measuring these transients is proposed. It uses the stray capacitance of the CT between its high voltage winding and all other parts at ground potential. The current through this capacitance is measured by a specially designed Rogowski coil, and a reconstruction algorithm calculates the input voltage. Our proposal does not need to separate the CT from its base, as proposed in other works. Tests on a high voltage capacitor corroborate this method.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"1225 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81300485","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
Effect of image acquisition and processing parameters on the estimation of crowd-induced dynamic loading on stadium grandstands 图像采集和处理参数对体育场看台人群动态载荷估计的影响
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9460021
S. Turrisi, E. Zappa, A. Cigada, Miguel Ruiz Vivanco, Nerea Carrera Avin
{"title":"Effect of image acquisition and processing parameters on the estimation of crowd-induced dynamic loading on stadium grandstands","authors":"S. Turrisi, E. Zappa, A. Cigada, Miguel Ruiz Vivanco, Nerea Carrera Avin","doi":"10.1109/I2MTC50364.2021.9460021","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9460021","url":null,"abstract":"In recent years, an increasing number of studies have been developed to assess the dynamic response of structures induced by human loading. Among them, stadiums or sport arenas raise the major interest because of the presence of active people during matches and concerts, leading to high levels of vibrations on the grandstands. To deal with these problems and to guarantee safety during events, the prediction of the force generated by the motion of a large crowd becomes a relevant task. Thanks to its ability to provide full-field displacements even in case of low-resolution images and crowded areas, many studies demonstrate the effectiveness Digital Image Correlation (DIC) for the estimation of crowd motion and induced loading. In this work, a detailed study of the most influencing image acquisition and processing parameters on the accuracy of DIC measurements is presented, in case of images acquired during real events like concerts or football matches. Some values are recommended to be used for future works involving this type of applications.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"69 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78898696","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 Zero Offset Reduction Method for RTD-based Thermal Flow Sensors 基于rtd的热流传感器零偏移减小方法
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9459961
Jun Long, Yong Li, Xuhui Liu
{"title":"A Zero Offset Reduction Method for RTD-based Thermal Flow Sensors","authors":"Jun Long, Yong Li, Xuhui Liu","doi":"10.1109/I2MTC50364.2021.9459961","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9459961","url":null,"abstract":"Zero offset, which is caused by unavoidable asymmetrical structures of thermal flow sensors, commonly reduces the practical performance of thermal flow sensors. In this work, a zero offset reduction method for thermal flow sensors based on resistive temperature detectors (RTD) is proposed. A micro-machined thermal flow sensor consists of four thick-film resistors is adopted in this work. Among these four resistors, two of them are acted as heaters placed between the other pair of RTDs. An unbalanced heater driving strategy is adopted to cancel the zero offset and a new measurement model is proposed for mass flow rate measurement. Experimental results show that the zero offset has been significantly reduced and the mass flow rate measurement error is less than ±1% F.S. (Full Scale) within the range of 0 mg/s to 0.1 mg/s.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"20 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87747939","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
High speed and high precision electrocardiographic and plethysmographic measurement front-end 高速高精度的心电图和脉搏波测量前端
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9459797
H. Herrmann, H. Ewald
{"title":"High speed and high precision electrocardiographic and plethysmographic measurement front-end","authors":"H. Herrmann, H. Ewald","doi":"10.1109/I2MTC50364.2021.9459797","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9459797","url":null,"abstract":"The measurements of electrocardiographic and plethysmographic signals are two of the standard measurement techniques which are performed as noninvasive spot check methods of human health condition in hospitals, home-care or other health care facilities. Therefore, specialised electronic systems exist, which perform either of the two measurements. For the separate analysis of one signal at a time this is a sufficient approach, but if the correlation of the two signals is of particular interest it might be better to combine the measurement systems into one system as a signal delay between the different measurements is avoided. This paper aims to describe a specialised hardware frontend, which is capable of high speed, high precision, concurrent and time synchronised recording of the electrocardiographic and plethysmographic signals. It makes it possible to correlate both signals and to generate new data such as the pulse transit time. This parameter is presumed to be a marker of blood pressure or stress and is therefore of high interest of being investigated.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"114 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88066578","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
Joint Carrier and 2D-DOA Estimation for L-Shaped Array Based on Sub-Nyquist Sampling 基于子奈奎斯特采样的l形阵列联合载波和二维doa估计
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9460096
Siyi Jiang, Ning Fu, Zhiliang Wei, Liyan Qiao, Xiyuan Peng
{"title":"Joint Carrier and 2D-DOA Estimation for L-Shaped Array Based on Sub-Nyquist Sampling","authors":"Siyi Jiang, Ning Fu, Zhiliang Wei, Liyan Qiao, Xiyuan Peng","doi":"10.1109/I2MTC50364.2021.9460096","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9460096","url":null,"abstract":"The joint carrier frequency and two-dimensional direction of arrival (2D-DOA) estimation is a significant problem for radar and communication systems. With the development of information technology, the spectrum of signal is wider and wider, but the effective occupied bandwidth is narrower. The traditional sampling methods based on Shannon-Nyquist theorem bring great pressure to sampling and storage devices. In this paper, a new joint carrier frequencies and 2D-DOAs estimation method is proposed. The transmissions received and sampled by a L-shape delay arrays architecture based on modulated wideband convertor (MWC) system. The estimation algorithm is based on the CANDECOMP/PARAFAC (CP) decomposition method, no additional parameter pairing steps are required. Simulation results verify that the proposed method can estimate the carrier frequencies and 2D-DOAs from sub-Nyquist samples.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"49 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86438012","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
Homogeneous light stimulation of melanopsin and cones with a Maxwellian view device for the human eye 用麦克斯韦式人眼观察装置对黑视素和视锥细胞的均匀光刺激
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9459940
Flückiger Patrick, Schmid Jessica, Evéquoz Gilles, Bressy Pierre, Geiser Martial
{"title":"Homogeneous light stimulation of melanopsin and cones with a Maxwellian view device for the human eye","authors":"Flückiger Patrick, Schmid Jessica, Evéquoz Gilles, Bressy Pierre, Geiser Martial","doi":"10.1109/I2MTC50364.2021.9459940","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9459940","url":null,"abstract":"We designed and tested a device to stimulate specifically one photoreceptor type, or a combination of some of them, of the human eye by using up to six primaries. The device produces a homogeneous light field over 40° which is projected onto the retina through a Maxwellian view optical system. It avoids the use of an artificial pupil, does not need pupil dilation and retinal illumination can be easily controlled. We successfully tested it with four primaries for melanopsin and S-cone stimulation while maintaining other photoreceptors at a fixed level in photopic regime.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"26 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83978107","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
Progress in Real-Time Capacitance Tomography of Multiphase Flows Based on the Maxwell-Wagner-Sillars Effect 基于Maxwell-Wagner-Sillars效应的多相流实时电容层析成像研究进展
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9459866
R. Rasel, F. Teixeira, Q. Marashdeh
{"title":"Progress in Real-Time Capacitance Tomography of Multiphase Flows Based on the Maxwell-Wagner-Sillars Effect","authors":"R. Rasel, F. Teixeira, Q. Marashdeh","doi":"10.1109/I2MTC50364.2021.9459866","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9459866","url":null,"abstract":"Multiphase flow tomography involves the decomposition and continuously monitoring of different phase components in a multiphase flow mixture. This work summarizes recent progress on electrical capacitance tomography (ECT) exploiting the Maxwell-Wagner-Sillars (MWS) effect at various frequencies. The MWS effect is used to distinguish and monitor different phases of a water-dispersed multiphase flow. Alternatively, it enables ECT to monitor non-conducting phases in water-continuous multiphase flows. We illustrate the application of the method in a three-phase flow of air and water dispersed in oil (water-dispersed case) and in a two-phase flow of oil dispersed in water (water-continuous case) using a conventional ECT measurement sensor hardware. It is observed that the proposed method inherits the high speed of acquisition of ECT, including the potential for real-time monitoring.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"53 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82906922","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
Identifying Pristine and Processed Animal Fibers using Machine Learning 使用机器学习识别原始和加工的动物纤维
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9460000
Oliver Rippel, Niclas Bilitewski, K. Rahimi, Juliana Kurniadi, A. Herrmann, D. Merhof
{"title":"Identifying Pristine and Processed Animal Fibers using Machine Learning","authors":"Oliver Rippel, Niclas Bilitewski, K. Rahimi, Juliana Kurniadi, A. Herrmann, D. Merhof","doi":"10.1109/I2MTC50364.2021.9460000","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9460000","url":null,"abstract":"Animal fiber identification is a crucial aspect of fabric production, as specialty fibers such as cashmere are often targeted by adulteration attempts. Since animal fiber identification is difficult, it is currently performed by human experts using Scanning Electron Microscopy (SEM). Many algorithms have been proposed to tackle the automated identification of animal and specialty fibers in SEM images. While ever-increasing classification performance is reported, the adulteration resistance of the proposed methods has not yet been evaluated. In our work, we perform such an evaluation for the first time. Lacking known ground truth adulterations, we construct a dataset containing specialty as well as conventional animal fibers in a chemically treated and untreated setting, where treated and untreated state differ slightly. We subsequently benchmark the ability of proposed state-of-the-art methods to correctly identify animal fibers including treatment status as a surrogate for adulteration resistance. Our results reveal that not all methods are equally capable at distinguishing treated and untreated fibers. Therefore, future research on animal fiber identification should additionally focus on adulteration resistance.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"2004 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82956357","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
Design of a QCM-sensor for on-line monitoring biofilm growth 用于生物膜生长在线监测的qcm传感器的设计
2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2021-05-17 DOI: 10.1109/I2MTC50364.2021.9459952
M. Amer, Marc Navarro, A. Turó, M. Garcia-Hernandez, J. Salazar, J. Chávez
{"title":"Design of a QCM-sensor for on-line monitoring biofilm growth","authors":"M. Amer, Marc Navarro, A. Turó, M. Garcia-Hernandez, J. Salazar, J. Chávez","doi":"10.1109/I2MTC50364.2021.9459952","DOIUrl":"https://doi.org/10.1109/I2MTC50364.2021.9459952","url":null,"abstract":"In order to measure bacterial culture growth, an improved holder design for a QCM sensor has been developed. Aspects related to losses produced by the crystal support on the holder, assembly stability, airtightness, measurement specificity and compatibility of holder material with biological culture media have been taken in account. Experimental measurements have shown a good agreement with theoretical values and good stability over time. For this reason, this QCM sensor holder design is going to be used in a novel affordable multichannel measurement instrument for continuous monitoring of bacterial biofilm growth.","PeriodicalId":6772,"journal":{"name":"2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"42 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86732801","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
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