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2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)最新文献

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Glycine-based Flexible Biocompatible Piezoelectric Pressure Sensor for Healthcare Applications 医疗保健应用的甘氨酸柔性生物相容性压电压力传感器
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239575
Ensieh S. Hosseini, Libu Manjakkal, D. Shakthivel, R. Dahiya
{"title":"Glycine-based Flexible Biocompatible Piezoelectric Pressure Sensor for Healthcare Applications","authors":"Ensieh S. Hosseini, Libu Manjakkal, D. Shakthivel, R. Dahiya","doi":"10.1109/FLEPS49123.2020.9239575","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239575","url":null,"abstract":"This work presents biocompatible flexible piezoelectric composite fabricated by self-assembly of amino acid glycine molecules inside natural chitosan polymer. Piezoelectric composite film consists of glycine spherulite structure embedded in chitosan matrix. The x-ray diffraction confirms the crystallization of stable $beta$-glycine inside the composite and hence its piezoelectric nature. As a result, a simple solvent-casting technique have been used to fabricate the biodegradable composite of $beta$-glycine/chitosan with significant piezoelectric response. We show that the piezoelectric sensor can precisely measure pressure in the range of 0-40 kPa with sensitivity of $sim 4.7$ mV kPa$^{-1}$. The devices based on bio-based functional material such as glycine offer huge potential for disposable wearable health applications such as monitoring the pressure in a compression bandage.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130619197","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
3D Printed Capacitive Tilt Sensor 3D打印电容式倾斜传感器
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239573
Oliver Ozioko, Habib Nassar, Christopher Muir, R. Dahiya
{"title":"3D Printed Capacitive Tilt Sensor","authors":"Oliver Ozioko, Habib Nassar, Christopher Muir, R. Dahiya","doi":"10.1109/FLEPS49123.2020.9239573","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239573","url":null,"abstract":"This work presents 3D printed tilt sensor to measure fluid level and tilt sensing in robotics. It comprises of four 3D printed interdigitated capacitive sensors printed as a single structure and immersed in liquid $mathrm{E}mathrm{c}mathrm{o}mathrm{f}mathrm{l}mathrm{e}mathrm{x}^{mathrm{T}mathrm{M}}$ (part A only). When the orientation of the sensor changes, the level of fluid in contact with the sensors also changes and this causes a change in the capacitance. The sensors were first printed individually and change in capacitance measured for different fluid levels. The response of the individual capacitive sensors shows a stable response for a dip and remove cyclic test in fluid at frequency of 0. 625Hz. The results of the tilting experiments show a relative change in capacitance ($Delta$ ClC $theta$ $sim$ 0.1% per degree for an angle range of $sim-20^{0}$ to $sim+20^{0}$. With $sim$ $6.7^{0}$ detected per mm of the level of fluid in contact with the sensor, the result shows the capability to achieve a measurement range of at least $simpm 93.8^{0}$ (for a sensor of length of $sim$12mm). The study carried out in this work finds application in tilt sensing in robotics as well as in fluid-level sensing in which case the sensor could be printed as part of the structure of the fluid container.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"157 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116971439","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
Printed Nitrogen-Doped Reduced Graphene Oxide Based Sensor For Uric Acid Detection 印刷氮掺杂还原氧化石墨烯传感器用于尿酸检测
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239567
Ammara Ejaz, Saoirse Dervin, R. Dahiya
{"title":"Printed Nitrogen-Doped Reduced Graphene Oxide Based Sensor For Uric Acid Detection","authors":"Ammara Ejaz, Saoirse Dervin, R. Dahiya","doi":"10.1109/FLEPS49123.2020.9239567","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239567","url":null,"abstract":"This paper presents a flexible printed sensor for the accurate detection of uric acid (UA) by a simple chemical route synthesis. The sensitive nanomaterial (N-rGO) was prepared from the dual interaction of 1,4-xylenediamine (XDA) and Graphene oxide (GO) by covalent and $pi-pi$ stacking interaction. N-rGO was printed on a flexible polyvinyl chloride (PVC) substrate and analyzed in 0.1 M PBS, pH 7.4 electrolyte for different concentrations of UA. The sensor exhibited a wide segmented linear range of $3-40times 10^{-5}M$ and $1-8{mathrm {x}}10^{-3}{mathrm {M}}$ with a sensitivity of 0.733 ${mathrm {mAmM^{-1}}}$ and 0.0277 ${mathrm {mAmM^{-1}}}$ respectively. The 0.0077% standard deviation from 30 consecutive measurements suggests that the sensor exhibits excellent reproducibility. Thus, the presented sensor is an alternative to currently available commercial bulky UA sensors.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114975468","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
Flexible Linear Absolute Encoder System for Force Localization in Soft Environments 软环境下力定位的柔性线性绝对编码器系统
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239519
Kuter Erdil, Doğukan Korkut, Ö. G. Akcan, B. Muslu, Y. D. Gökdel, Eray A. Baran
{"title":"Flexible Linear Absolute Encoder System for Force Localization in Soft Environments","authors":"Kuter Erdil, Doğukan Korkut, Ö. G. Akcan, B. Muslu, Y. D. Gökdel, Eray A. Baran","doi":"10.1109/FLEPS49123.2020.9239519","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239519","url":null,"abstract":"This paper proposes a novel disposable linear absolute encoder system and its peripheral electronic readout circuitry to be used for the localization of force in a continuum media such as a flexible robotic arm. The proposed structure relies on the design of graphite layers on a flexible surface that shows varying resistance based on the applied strain. The proposed topology can localize the force applied on a continuous paper based sensor having the geometry of an absolute encoder system. The successful results obtained from the experiments prove the efficacy of the proposed system while opening new paradigms for the possibility of contact force localization in flexible structures like soft robots.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"280 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115665006","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
Stomatal Transpiration Monitoring using a Wearable Leaf Sensor 利用可穿戴叶片传感器监测气孔蒸腾
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239465
Sanjog Joshi, Tejas R. Naik, Rajul S. Patkar, M. Baghini
{"title":"Stomatal Transpiration Monitoring using a Wearable Leaf Sensor","authors":"Sanjog Joshi, Tejas R. Naik, Rajul S. Patkar, M. Baghini","doi":"10.1109/FLEPS49123.2020.9239465","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239465","url":null,"abstract":"In this work, we demonstrate, for the first time, a direct approach for transpiration monitoring using a simple screen-printed flexible paper sensor. Filter paper acts as an excellent sensing material and provides a change in capacitance owing to change in its dielectric constant with moisture absorption and desorption. We measure the transient response of the sensor and accordingly define an appropriate sampling to monitor the transpiration by measuring capacitance over a period of time. The low cost flexible paper-based sensor provides a simple, efficient, and smart way to monitor transpiration.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"255 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122924719","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
Variation-Tolerant Digital Circuit Design for Printed/Flexible Electronics (Invited Paper) 印刷/柔性电子器件的容差数字电路设计(特邀论文)
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239438
J. Chang, T. Ge, Tong Lin
{"title":"Variation-Tolerant Digital Circuit Design for Printed/Flexible Electronics (Invited Paper)","authors":"J. Chang, T. Ge, Tong Lin","doi":"10.1109/FLEPS49123.2020.9239438","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239438","url":null,"abstract":"Contemporary digital circuits are synchronous-logic and are operationally error-free because they are designed to complete their operation within a predefined time period. In some applications, such as the MOST operating in ultra-deep subthreshold or in flexible electronics where the TFT is printed, the ensuing operation of digital circuits is prone to error. This is because the variations of the delay of the transistor are very high and the ensuing predefined time period is difficult to ascertain. In the case of the printed TFT where its substrate is flexible and hence possibly bent, the delay is possibly intractable, in part because the profile of the bending may not be known. In this paper, we will discuss the commonality between ultra-deep subthreshold and printed TFTs in terms of their variations. We describe the application of the esoteric asynchronous-logic Quasi-Delay-Insensitive (QDI) signaling protocol to design digital circuits that innately accommodate intractable delay characteristics, i.e., error-free operation despite intractable variations. To mitigate the hardware, power and timing overheads of QDI, we will present our proposed modified signaling protocol named Pseudo-QDI and our proposed Pre-Charged-Static-Logic design style.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124147079","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
Screen-Printed Flexible Carbon versus Silver Electrodes for Electrochemical Sensors 用于电化学传感器的丝网印刷柔性碳与银电极
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239549
F. F. Franco, Libu Manjakkal, R. Dahiya
{"title":"Screen-Printed Flexible Carbon versus Silver Electrodes for Electrochemical Sensors","authors":"F. F. Franco, Libu Manjakkal, R. Dahiya","doi":"10.1109/FLEPS49123.2020.9239549","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239549","url":null,"abstract":"This paper presents the carbon-based screen-printed electrodes (C-SPEs) and compares them with conventional SPEs made of Ag. The electrochemical performance of the two types of electrodes is compared in the presence of common salts found in water bodies (e.g. NaCl, NaNO3) by performing the cyclic voltammetry (CV), differential pulse voltammetry (DPV) and electrochemical impedance spectroscopy (EIS) studies. We observed that while C-SPEs stay mostly inert in salt solutions, Ag seems to interact with salts, showing faradaic and non-faradaic responses. The results show the potential for development of electrochemical sensors with sustainable materials such as carbon and their application in water quality monitoring.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126486748","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
3D-Printing of a Lemon Battery via Fused Deposition Modelling and Electrodeposition 通过熔融沉积建模和电沉积的柠檬电池的3d打印
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239462
A. Dijkshoorn, Luka Šćulac, R. Sanders, W. Olthuis, S. Stramigioli, G. Krijnen
{"title":"3D-Printing of a Lemon Battery via Fused Deposition Modelling and Electrodeposition","authors":"A. Dijkshoorn, Luka Šćulac, R. Sanders, W. Olthuis, S. Stramigioli, G. Krijnen","doi":"10.1109/FLEPS49123.2020.9239462","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239462","url":null,"abstract":"This paper introduces the fabrication of a lemon battery enabled through Fused Deposition Modelling (FDM) with commercially available filaments in combination with electrodeposition. The battery consists of a printed polylactic acid (PLA) structure with two 3D-printed, conductive polymer composite electrodes with a layer of deposited copper and zinc, immersed into a citric acid electrolyte. The current battery shows a capacity of at least 0.23 mWh, where the high internal resistance of around 310 ohms still poses a performance issue. The combined FDM and electrodeposition fabrication method presents a first step towards fabrication of arbitrarily shaped batteries without the need for parts assembly or chemical treatment of filaments, potentially powering co-printed electronics.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128040535","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
Emerging sustainable sensors based on nanostructures on flexible and disposable substrates 基于柔性和一次性衬底的纳米结构的新兴可持续传感器
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/FLEPS49123.2020.9239509
M. Willander, O. Nur, R. Dahiya
{"title":"Emerging sustainable sensors based on nanostructures on flexible and disposable substrates","authors":"M. Willander, O. Nur, R. Dahiya","doi":"10.1109/FLEPS49123.2020.9239509","DOIUrl":"https://doi.org/10.1109/FLEPS49123.2020.9239509","url":null,"abstract":"This paper gives an overview of recently demonstrated sensors based on the nanomaterials synthesized on different flexible and disposable substrates. The sensors to be presented are for wide range of applications, e.g. detection of toxic heavy metals, diagnostic applications etc. During the talk, the suitable different nanomaterials synthesis methods are to be also presented. The advantages and superiority of the emerging sensors using sustainable materials will also be discussed.","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133867926","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
[FLEPS 2020 Front cover] [FLEPS 2020封面]
2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) Pub Date : 2020-08-16 DOI: 10.1109/fleps49123.2020.9239592
{"title":"[FLEPS 2020 Front cover]","authors":"","doi":"10.1109/fleps49123.2020.9239592","DOIUrl":"https://doi.org/10.1109/fleps49123.2020.9239592","url":null,"abstract":"","PeriodicalId":101496,"journal":{"name":"2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114947811","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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