2019 13th International Conference on Sensing Technology (ICST)最新文献

{"title":"Machine learning-based fall detection system for the elderly using passive RFID sensor tags","authors":"K. Toda, N. Shinomiya","doi":"10.1109/ICST46873.2019.9047732","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047732","url":null,"abstract":"The percentage of elderly people in the world population has been rapidly increasing. Accordingly, the demand for special nursing homes and professional caregivers has also been growing to support the elderly's daily activities. Since elderly people are often unable to get up without assistance after falling, the failure to detect falling accidents can further lead to serious injuries. Hence, early fall detection is crucial to reduce the risk of the elderly's hospitalization and death caused by accidents. In order to promote early fall detection, monitoring services for elderly people based on IoT have been developed. In this paper, the proposed system uses passive RFID sensor tag is composed RFMicron's Magnus S chip, which can measure not only RSSI but also pressure. In our approach, those tags are attached to the indoor footwear and obtain a change of RSSI and pressure values during activity. Our experiment is conducted by extracting features from raw data and classifying activities with machine learning. This paper shows two training models with a different feature set developed in order to evaluate the effectiveness of passive sensor tags. Moreover, the results demonstrate the accuracy of person-dependent and person-independent with the dataset from different subjects.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"52 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123708146","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}

{"title":"Highly Sensitive Fluorometric Imaging System “Sniff-CAM” for Analysis of Volatile Organic Compounds from Skin and Breath","authors":"T. Arakawa, Kenta Iitanr, Naoki Mizukoshi, Koji Toma, K. Mitsubayashi","doi":"10.1109/ICST46873.2019.9047709","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047709","url":null,"abstract":"Various volatile organic compounds can be found in human transpiration, breath and body odor. Progress in the analysis of volatile organic compounds, such as those found in the breath and transdermal gas, creates an increasing potential for the application of this concept to the medical field. In this study, a novel two-dimensional fluorometric imaging system, known as a “sniffer-cam” for ethanol vapor released from human breath and palm skin was constructed and validated. This imaging system measures ethanol vapor concentrations as intensities of fluorescence through an enzymatic reaction induced by alcohol dehydrogenase. The imaging system consisted of multiple ultra violet light emitting diode excitation sheet, an enzyme immobilized mesh substrate and a high-sensitive CCD camera. This imaging system uses alcohol dehydrogenase for recognition of ethanol vapor. It measures ethanol vapor by measuring fluorescence of nicotinamide adenine dinucleotide (NADH), which is produced by an enzymatic reaction on the mesh. The fluorescent properties of NADH (ex. 340 nm, fl. 490 nm), combining an excitation light source with a high-sensitivity camera allows us to detect and visualize NADH generated by the enzyme reaction when the ethanol gas is loaded. Based on this principle, we developed an imaging system that uses a fluorometric method for human breath and skin gas.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122439680","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}

{"title":"Indoor positioning framework for visually impaired people using Internet of Things","authors":"P. T. Mahida, S. Shahrestani, Hon Cheung","doi":"10.1109/ICST46873.2019.9047704","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047704","url":null,"abstract":"To overcome the limitation of Global positioning system (GPS) in indoor environments, various indoor positioning system have been developed using Wi-Fi, Bluetooth, Ultrawideband (UWB) and radio-frequency identification (RFID). Amongst them, Wi-Fi technologies are most commonly used for indoor navigation. Wi-Fi signals may be unavailable in some areas due to obstacles and unreachable coverages. Despite of it, the accuracy achieved by Wi-Fi is between 5–15 m that is unfavorable for visually impaired people. The popularity of beacons for positioning and smartphones with built-in inertial sensors plays a vital role in developing potential indoor navigation system. This paper presents a framework for visually impaired person (VIP) based on inertial sensors of smartphones and Bluetooth beacons. Beacons/proximity sensors in a building can help a pedestrian to navigate between two landmarks/points of interest via turn-by-turn navigation. However, there are certain areas in the building where external sensing is absent in a big hallway or dark alley. This model demonstrates that inertial sensors are useful to track a VIP in dark areas. Also. minimizes the use of external sensors between two landmarks/beacons. The performance of the proposed framework with the fusion algorithm in an android application is examined by conducting trajectory test on a smartphone. The experimental results of the walking traces show that the system has high accuracy with almost 1.5-2 m mean position error which could be improved further by implementing magnetometer based position learning techniques.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130671016","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}

{"title":"Interdigital sensing system for detection of levels of creatinine from the samples","authors":"S. Prabhu, S. Mukhopadhyay, C. Gooneratne, Andrew S. Davidson, Guozhen Liu","doi":"10.1109/ICST46873.2019.9047672","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047672","url":null,"abstract":"Creatinine is a biological waste that is diffused in the blood and filtered by the kidneys to reduce blood waste content-oriented toxicity for maintaining homeostasis in the living body. In the current research, we have developed a sensing system for early detection of side effects of brain cancer chemotherapy on human kidneys by monitoring the rise in creatinine levels. High creatinine levels can lead to permanent incurable conditions such as acute kidney damage or acute kidney failure. The proposed research is related to the real-time detection of creatinine in an aqueous medium. The sensing system is able to determine concentrations within the range of 0.1 – 50 ppm. The sensitivity % curve presented aids in finding an unknown sample concentration from resistance values at a frequency of 100 Hz using the electrical impedance spectroscopy (EIS) technique. The results highlight the future possibility of modifying this system for early levels of creatinine rise for preventing life-threatening conditions and providing indications to doctors in the form of parts per million (ppm) unit results where they can change the chemotherapy medicines or reduce the total drug regiments.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123943672","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}

{"title":"Differential Pressure Transmitter Based on Programmable System-on-Chip (PSoC)","authors":"I. S. Nadezhdin, Aleksey G. Goryunov","doi":"10.1109/ICST46873.2019.9047690","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047690","url":null,"abstract":"Differential pressure is an important technological parameter, one urgent task of which is control and measurement. To date, the lion's share of research in this area has focused on the development and improvement of differential pressure transmitters. This study builds on the literature in its aim to develop a differential pressure transmitter with improved operational and metrological characteristics. The measuring unit of the developed pressure transmitter is based on two strain gauge sensors. To achieve the stated aim, modern methods and technologies were used in the development of the electronics unit of the pressure transmitter. The Programmable System-on-Chip (PSoC) technology was used to develop the electronics unit. Due to the use of PSoC technology, it was possible to increase the noise immunity of the developed differential pressure transmitter, as well as provide an unparalleled combination of flexibility, integration analog and digital functionality.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124167102","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}

{"title":"Localisation of thin- film resistive sensors for force sensing applications","authors":"Samta Sapra, A. Nag, Tao Han, C. Gooneratne","doi":"10.1109/ICST46873.2019.9047720","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047720","url":null,"abstract":"This paper presents the fabrication and implementation of novel resistive sensors for force-sensing applications. The sensors were developed from specific proportions of graphite and polydimethylsiloxane to form thin-film layers. Localisation was done on the sensors to determine the variation in their responses with respect to different locations and magnitude of the force. The ideology behind these sensors is their uses as tactile sensors for industrial applications and electronic skins for healthcare applications. These sensors showed significant response with a high R2 value for forces ranging from 1 N to 5 N. The podium provided by these sensors could be used as a reference to enhance the ideology on resistive sensing for localisation of the thin-film prototypes.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123332810","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}

{"title":"Noninvasive Blood Flow Sensing from Surface Skin Measurements","authors":"I. Marinova, V. Mateev","doi":"10.1109/ICST46873.2019.9047719","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047719","url":null,"abstract":"Electromagnetic flow sensing method is proposed for non-invasive vascular measurements from surface skin. Method is performed by multielectrode voltage measurements acquired over skin surface. A forward 3D electromagnetic, finite element method model (FEM) is developed for skin voltage distribution calculation. FEM model represents the anatomically precise geometrical model of human leg with known blood flow speed in its vessels and tissue electrical conductivities. Induced voltages on leg surface are measured by multielectrode measurement system. Using these data an inverse source problem is formulated and solved. Inverse source problem uses the Green's function for Helmholtz's equation.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125562044","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}

{"title":"Using IR-based sensors to monitor fugitive greenhouse gas emissions in the Australian context","authors":"M. Myers, M. Mainson, B. Maney, Stuart J Day, C. Ong","doi":"10.1109/ICST46873.2019.9047718","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047718","url":null,"abstract":"For the same amount of power generated, natural gas has approximately 50 to 60 percent less emissions relative to coal. However, methane (the main constituent of natural gas) has a greenhouse warming potential approximately 30 times higher than CO2. In the transition to lower emissions for energy generation, the contribution to overall greenhouse gas emissions is expected to increase for natural gas as its demand increases when coal is replaced. However, given the potency of methane as a greenhouses gas, fugitive emissions monitoring and an accurate assessment is very important. Agriculture, bushfires, wetlands and termites are also significant contributors to methane emissions and have significant seasonal and spatial variations. In recent surveys either conducted or supported in Australia by CSIRO, a variety of approaches (e.g. vehicle-based survey, fixed-site monitoring stations) and technologies (e.g. near-IR cavity ring down spectroscopy) for fugitive emissions monitoring have been tested and implemented. In general, to be suitable for field work in the Australian context, sensors need to be very stable and robust under very harsh conditions as well as being able to selectively detect ppb or even sub-ppb variations in gas concentrations. More recently, alternatives to the older cavity ring down spectroscopy approach have been developed which use mid-IR region of the spectra. These have improved sensor cost, robustness and performance as well as lowering size and power requirements. These new commercially available technologies based on mid-IR lasers provide an opportunity to deploy these sensors at fixed stations on a much wider scale. This paper will examine the different approaches used in different survey scenarios comparing their effectiveness within the Australian context. This includes new approaches that have recently become possible with these new advances in technology. Based on the survey work that has been conducted, some of the common findings that have been found through surveys in Western Australia, Victoria, Queensland and the Northern Territory will be presented to demonstrate the capabilities of these sensors.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134014651","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}

{"title":"Index","authors":"","doi":"10.1109/icst46873.2019.9047740","DOIUrl":"https://doi.org/10.1109/icst46873.2019.9047740","url":null,"abstract":"","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134180461","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}

{"title":"Highly Stretchable Strain Sensors Based on AgNWs/PV A Nanocomposite Hydrogels","authors":"Shohreh Azadi, Shuhua Peng, M. Asadnia, Chun H. Wang, Shuying Wu","doi":"10.1109/ICST46873.2019.9047721","DOIUrl":"https://doi.org/10.1109/ICST46873.2019.9047721","url":null,"abstract":"Here, we report the design, fabrication, and sensing application of highly flexible, conductive hydrogels by embedding conductive silver nanowires (AgNWs) into polyvinyl alcohol (PVA). Two different configurations have been designed including a single layer composite structure and a bilayer structure. The single layer composite was fabricated by direct mixing AgNWs with PVA solution of high concentration (20 wt%). In contrast, a bilayer structure consisted of a bottom PVA layer (20 wt%) and a top layer made of AgNWs and PVA solution of much lower concentration (6 wt%). Both structures exhibited outstanding mechanical properties with high stretchability up to 500% and 600% strain for single layer composite and bilayer structure, respectively. The bilayer hydrogel exhibited a sensitivity (gauge factor) of 0.23 in the strain range of 50 to 250% while the single layer composite structure showed a sensitivity of 0.1 in this range. Overall, the bilayer structure displayed better performance including higher electrical conductivity and piezoresistive sensitivity, larger stretchability, and more stable piezoresistivity. These findings make the PV A-AgNWs/PVA bilayer composite as a potential candidate for strain sensor application.","PeriodicalId":344937,"journal":{"name":"2019 13th International Conference on Sensing Technology (ICST)","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128816800","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}