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Age-sensitive differences in single and dual walking tasks from footprint floor sensor data 来自足迹地板传感器数据的单步和双步行走任务的年龄敏感差异
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-25 DOI: 10.1109/ICSENS.2017.8234299
Omar Costilla-Reyes, Patricia J. Scully, K. Ozanyan
{"title":"Age-sensitive differences in single and dual walking tasks from footprint floor sensor data","authors":"Omar Costilla-Reyes, Patricia J. Scully, K. Ozanyan","doi":"10.1109/ICSENS.2017.8234299","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8234299","url":null,"abstract":"Gait can provide insights of executive function decline. We present experiments and methodology for analysing age-sensitive differences in changes of walking patterns on 3 volunteers from three age groups: a young adult, an adult and a mature adult, by using an original footprint imaging floor sensor. The effect of cognitive load tasks in spatio-temporal walking patterns of the volunteers is captured in the experiments. Classification models based on Support Vector Machines (SVM) are applied to raw gait sensor data activities, including single tasks, such as normal and fast walk, as well as dual tasks. For single tasks, we report classifications with a top F-score of 93.36 ± 5.56. Competitive classification performance was obtained for the fine-grained walking variability in the dual task experiments.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"43 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84056553","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: 5
Axial magnetic field sensing for pulsed magnetic flux leakage hairline crack detection and quantification 轴向磁场传感用于脉冲漏磁发际裂纹检测与定量
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-25 DOI: 10.1109/ICSENS.2017.8233983
Chukwunonso K. Okolo, T. Meydan
{"title":"Axial magnetic field sensing for pulsed magnetic flux leakage hairline crack detection and quantification","authors":"Chukwunonso K. Okolo, T. Meydan","doi":"10.1109/ICSENS.2017.8233983","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8233983","url":null,"abstract":"The Magnetic Flux Leakage (MFL) testing method is a well-established branch of electromagnetic non-destructive testing technology extensively used to observe, analyze and estimate the level of imperfections (cracks, corrosions, pits, dents, etc.) affecting the quality of ferromagnetic steel structures. However the conventional MFL (DCMFL) method are not capable of estimating the defect sizes and orientation, hence an additional transducer is required to provide the extra information needed. This paper takes the detection and quantification of tangentially oriented rectangular surface and far-surface hairline cracks as the research objective. It uses an optimized pulsed magnetic flux leakage probe system to establish the location and geometries of such cracks. The results gathered from the approach show that data using the axial (Bx) field component can provide detailed locational information about hairline cracks especially the shape, size and orientation when positioned perpendicular to the applied field.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"22 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86499938","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: 8
Live demonstration: Energy autonomous electronic skin for robotics 现场演示:机器人的能源自主电子皮肤
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-25 DOI: 10.1109/ICSENS.2017.8234033
C. Garcia-Núñez, W. Navaraj, Xiangpeng Liang, R. Dahiya
{"title":"Live demonstration: Energy autonomous electronic skin for robotics","authors":"C. Garcia-Núñez, W. Navaraj, Xiangpeng Liang, R. Dahiya","doi":"10.1109/ICSENS.2017.8234033","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8234033","url":null,"abstract":"An electronic skin (e-skin) is an artificial smart skin that can provide similar sense of touch to robots and artificial prostheses by mimicking some of the features of human skin. In this regard, tactile e-skin is needed for accurate haptic perception in robots, amputees, as well as, wearable electronics. For example, a flexible e-skin provided with touch/pressure sensors will allow robots to detect the strength and location of the pressure exerted on the skin surface by surrounding objects. Energy autonomy, or also called self-powering, is also a critical feature for an e-skin, enabling portability and longer operation times without human intervention. Further, making the e-skin transparent adds an extra dimension in the functional design space of e-skin, allowing the integration of a solar cell underneath the skin while preserving light energy harvesting. Recent advances in photovoltaics are oriented towards the development of solar cells on stretchable/flexible substrates which will benefit the realization of suggested self-powered technology. Accordingly, the novel approach presented in this demo consists in a vertical layered stack structure, comprising a solar cell attached to the back plane of a transparent tactile skin, where e-skin transparency being a crucial feature that allows light pass through, making the building-block unique, and opening a new promising line of energy autonomous devices for portable flexible electronics.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"107 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2017-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87053911","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
Localized surface plasmon resonance modified with molecularly imprinted sol-gel sensor for cis-jasmone vapor detection 分子印迹溶胶-凝胶传感器修饰的局部表面等离子体共振用于顺式茉莉气相检测
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-21 DOI: 10.1109/ICSENS.2017.8234422
L. Shang, Chuanjun Liu, K. Hayashi
{"title":"Localized surface plasmon resonance modified with molecularly imprinted sol-gel sensor for cis-jasmone vapor detection","authors":"L. Shang, Chuanjun Liu, K. Hayashi","doi":"10.1109/ICSENS.2017.8234422","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8234422","url":null,"abstract":"The detection of cis-jasmone is meaningful to sense potential threat in agriculture. In present study, a nanocomposite imprinted LSPR sensor was developed for determination of cis-jasmone vapors. Molecular imprinted sol-gels (MISG) were fabricated on the surface of Au nano-islands via spinning coating. For enhancing the sensitives of sensors, AuNPs was sputtered on the MISG layers. The sensitives and selectivelies of samples recoated divers thickness of AuNPs were compared and discussed. The result indicated that the sensitivity of AuNPs/MISG/AuNPs was higher than that of AuNPs/MISG. In addition, AuNPs/MISG coated with 3 nm AuNPs shown a better sensitive and selectively. In-situ response was verified to be fast, selective and reversible. The absorbance spectra of cis-jasmone vapors linearly increased with its concentration in the range of 10 to 75 ppm, with the limit of detection of 3.45 ppm (S/N=3). The research offered useful technologies for developing cis-jasmone sensor in agriculture area.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"17 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75532027","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
Sensing range improvement of brillouin optical time domain reflectometry (BOTDR) using inline erbium-doped fibre amplifier 利用内联掺铒光纤放大器提高布里渊光时域反射仪(BOTDR)的传感范围
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-21 DOI: 10.1109/ICSENS.2017.8233878
Nageswara Lalam, W. P. Ng, X. Dai, Q. Wu, Y. Fu
{"title":"Sensing range improvement of brillouin optical time domain reflectometry (BOTDR) using inline erbium-doped fibre amplifier","authors":"Nageswara Lalam, W. P. Ng, X. Dai, Q. Wu, Y. Fu","doi":"10.1109/ICSENS.2017.8233878","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8233878","url":null,"abstract":"In this paper, we demonstrate sensing range improvement of Brillouin optical time-domain reflectometry (BOTDR) using an inline erbium-doped fibre amplifier to compensate the sensing fibre loss. In addition, a passive depolarizer is used based on the polarization beam splitter to suppress the polarization noise. The proof-of-concept is demonstrated experimentally using a 50 km sensing fibre with a 5 m spatial resolution. The strain and temperature errors at end of the sensing fibre are 23 με and 1.08°C, respectively.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"74 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75217152","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: 5
Adaptive visible light communication LED receiver 自适应可见光通信LED接收器
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-21 DOI: 10.1109/ICSENS.2017.8234237
Shuai Li, A. Pandharipande, F. Willems
{"title":"Adaptive visible light communication LED receiver","authors":"Shuai Li, A. Pandharipande, F. Willems","doi":"10.1109/ICSENS.2017.8234237","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8234237","url":null,"abstract":"We consider a visible light communication (VLC) system with light emitting diodes (LEDs), wherein LEDs are used for information transmission as well as reception while providing illumination. At the transmitter, a combination of a pulse width modulation (PWM) signal and a redundant run-length limited encoded on-off keying (OOK) signal is used for data transmission. The LED receiver uses OOK and the OFF periods therein for VLC reception. The range of such a system is however affected by ambient light changes and device portability. To address this problem, we propose a two-step decoder with edge detection followed by K-means clustering and adaptive threshold detection. We show that the proposed system achieves about 33% higher range in comparison to a non-adaptive VLC system.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"34 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83182934","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: 10
Development of a capacitive-type 6-axis force-torque sensor 电容式六轴力-扭矩传感器的研制
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-21 DOI: 10.1109/ICSENS.2017.8234153
S. Somlor, A. Schmitz, Jinsun Hwang, Tito Pradhono Tomo, S. Sugano
{"title":"Development of a capacitive-type 6-axis force-torque sensor","authors":"S. Somlor, A. Schmitz, Jinsun Hwang, Tito Pradhono Tomo, S. Sugano","doi":"10.1109/ICSENS.2017.8234153","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8234153","url":null,"abstract":"Force sensing is a crucial task for robots, especially when end effectors such as fingers and hands need to interact with unknown environments; to sense such forces, a force-torque (F/T) sensor is an essential component. In this paper, we propose a small-sized 6-axis F/T sensor with a novel arrangement of 12 transducers using the force transducer we have previously developed. The copper beryllium used in our sensor reduces hysteresis in each transducer. Additionally, the sensor provides digital output via I2C bus to reduce the susceptibility to noise, and reduce the number of required wires. Sensor characteristics such as its sensitivity, signal-to-noise ratio, linearity, and hysteresis are determined. More importantly, we showed that our sensor can detect and measure the 6-axis F/T.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"24 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83295746","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
Electrospun polyvinylidene fluoride nanofiber mats for self-powered sensors 用于自供电传感器的静电纺聚偏氟乙烯纳米纤维垫
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-21 DOI: 10.1109/ICSENS.2017.8233936
Debarun Sengupta, A. Kottapalli, J. Miao, C. Kwok
{"title":"Electrospun polyvinylidene fluoride nanofiber mats for self-powered sensors","authors":"Debarun Sengupta, A. Kottapalli, J. Miao, C. Kwok","doi":"10.1109/ICSENS.2017.8233936","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8233936","url":null,"abstract":"This work reports the optimization of various experimental parameters for electrospinning Polyvinylidene Fluoride nanofiber mats in order to maximize their performance in sensing applications. Due to growing demand for ultra-low power wearable technology, piezoelectric nanofibers are getting special attention for energy harvesting applications. Polyvinylidene Fluoride based piezoelectric nanofibers are particularly promising because of their bio-compatibility and low cost. In this work, a detailed study is carried out to optimize the electrospinning parameters to control the morphology and maximizer the piezoelectric property of Polyvinylidene Fluoride nanofibers mats. Application of optimized nanofiber mat has been demonstrated in the end which will find applications in wearable technology and other passive sensing applications.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"8 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90702904","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
Odorants measurement using hyperspectral imaging and PVC film including multi fluorescent probes 使用高光谱成像和PVC膜包括多荧光探针测量气味
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-21 DOI: 10.1109/ICSENS.2017.8234328
Hirotaka Yoshioka, Shota Ueno, F. Sassa, K. Hayashi
{"title":"Odorants measurement using hyperspectral imaging and PVC film including multi fluorescent probes","authors":"Hirotaka Yoshioka, Shota Ueno, F. Sassa, K. Hayashi","doi":"10.1109/ICSENS.2017.8234328","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8234328","url":null,"abstract":"Odor imaging sensor was developed with odorants sensing mechanism based on the complicated fluorescence interactions between the multi-fluorescent-probes and odorants. In this research, poly vinyl chloride (PVC) films including various fluorescent probe were developed, and fluorescence properties of the film were investigated. Using the multi fluorescent probe film, fluorescence intensity change spectrum to various odorants was measured, and odorants could be clustered by their chemical structure by multi-variate analyses of hyper spectra images.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"31 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80372146","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
Crocodile-inspired dome shaped sensors for underwater object detection 受鳄鱼启发的用于水下物体探测的圆顶传感器
2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff Pub Date : 2017-12-21 DOI: 10.1109/ICSENS.2017.8234231
E. Kanhere, Nan Wang, A. Kottapalli, V. Subramaniam, J. Miao, M. Triantafyllou
{"title":"Crocodile-inspired dome shaped sensors for underwater object detection","authors":"E. Kanhere, Nan Wang, A. Kottapalli, V. Subramaniam, J. Miao, M. Triantafyllou","doi":"10.1109/ICSENS.2017.8234231","DOIUrl":"https://doi.org/10.1109/ICSENS.2017.8234231","url":null,"abstract":"Crocodiles possess dome shaped pressure receptors called integumentary sensory organs (ISOs) on their skin, which assist crocodiles in sensing flows and locating the origin of the disturbances created by movements of other animals. The surface of each ISO is equipped with mechanoreceptors and free nerve endings, which together carry out the task of receiving mechanical stimulus. Inspired by ISOs of crocodiles, a dome with five piezoresistive pressure sensors mounted on its surface is constructed and its ability to detect an object moving in its vicinity is explored. A cylindrical rod is towed towards the dome shaped sensor and the patterns of outputs of five pressure sensors on the dome are investigated for drawing cues about the movement. The experimental results demonstrate that the dome is able to discern speed, distance and direction of the movement. The outcomes of this study serve as a building block for a prospective crocodile-inspired passive hydrodynamic sensing system which can enhance the sensing capabilities of autonomous underwater vehicles.","PeriodicalId":92164,"journal":{"name":"2017 IEEE Sensors Applications Symposium (SAS). IEEE Staff","volume":"1 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73073439","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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