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IEEE EUROCON 2019 -18th International Conference on Smart Technologies最新文献

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Grid-connected Converter PCC Voltage Control During Grid Disturbances 电网扰动下并网变换器PCC电压控制
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861756
Ivan Todorović, I. Isakov, S. Grabic
{"title":"Grid-connected Converter PCC Voltage Control During Grid Disturbances","authors":"Ivan Todorović, I. Isakov, S. Grabic","doi":"10.1109/EUROCON.2019.8861756","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861756","url":null,"abstract":"Grid voltage deviations caused by different grid disturbances could force the grid-connected converter disconnection. It is necessary to secure safe and prolonged connection in order to mitigate the disturbance consequences, to facilitate the disturbance recovery and improve grid integrity. Seamless integration of these disturbance dedicated objectives and objectives defined for nominal conditions is enabled by the procedure developed in this paper. Specifically, the proposed control structure results in bounded phase currents that modify the point of common coupling (PCC) voltages in a desired manner, while simultaneously maximizing power production in order to utilize primary energy source as much as possible. The validation of the concept was done in hardware-in-the loop environment.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125059870","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
A CAD System for Brain Haemorrhage Detection in Head CT Scans 头颅CT扫描中脑出血的CAD检测系统
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861833
J. Napier, C. J. Debono, P. Bezzina, F. Zarb
{"title":"A CAD System for Brain Haemorrhage Detection in Head CT Scans","authors":"J. Napier, C. J. Debono, P. Bezzina, F. Zarb","doi":"10.1109/EUROCON.2019.8861833","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861833","url":null,"abstract":"Medical imaging is an important medical diagnostic tool that provides visual information of the interior of the human body. In recent years computer-aided detection/diagnosis (CAD) systems became a key component of routine clinical practice in several medical areas, such as mammography and colonoscopy. However, research on brain CAD systems is still limited compared to other areas. This paper presents a solution that uses image processing techniques on brain computed tomography (CT) scans to create a CAD system that detects fresh bleeds. The system also features a basic classification method that distinguishes between an intra-axial and an extra-axial haemorrhage with the only limitation being subarachnoid haemorrhage (SAH), which is not always properly classified due to its complex structure. The techniques implemented include noise reduction methods, morphological operations and segmentation algorithms. The developed CAD system was tested on 36 brain CT sets obtained from the general hospital in Malta. Results show that the system achieves a sensitivity of 94.4%, a specificity of 94.4%, a precision of 91.259% and a classification accuracy of 88.89%.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"323 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132455113","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
LTCC Dual-band Bandpass Filter Based on SPPlike Propagation in Substrate Integrated Waveguide 基于基片集成波导中sppllike传播的LTCC双带带通滤波器
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861607
Z. Sakotic, M. Drljača, G. Kitic, N. Janković, N. Cselyuszka
{"title":"LTCC Dual-band Bandpass Filter Based on SPPlike Propagation in Substrate Integrated Waveguide","authors":"Z. Sakotic, M. Drljača, G. Kitic, N. Janković, N. Cselyuszka","doi":"10.1109/EUROCON.2019.8861607","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861607","url":null,"abstract":"This paper presents a low-temperature co-fired ceramic (LTCC) dual-band bandpass filter based on surface plasmon polariton (SPP) like propagation. The filter consists of a three-layer substrate integrated waveguide (SIW), where the layers represent sub-SIW structures whose effective dielectric constants have opposite signs in different frequency ranges. In that manner, SPP-like propagation occurs at two different frequencies, providing dual-band filtering operation. The SPP-like concept and filter design are explained in detail, together with the numerical analysis, fabrication procedure and measurement results. The filter operates at 4.1/4.9 GHz and it is characterized by excellent in-band performance, high-selectivity, and robust fabrication.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132486084","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
Learning of Robotic Throwing at a Target using a Qualitative Learning Reward 利用定性学习奖励学习机器人投掷目标
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861589
Zvezdan Loncarevic, Rok Pahič, Mihael Simonič, A. Ude, A. Gams
{"title":"Learning of Robotic Throwing at a Target using a Qualitative Learning Reward","authors":"Zvezdan Loncarevic, Rok Pahič, Mihael Simonič, A. Ude, A. Gams","doi":"10.1109/EUROCON.2019.8861589","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861589","url":null,"abstract":"Autonomous learning and adaptation of actions is critical for robots to operate in unstructured, everyday environments. Reinforcement learning (RL) methods are often applied for this. However, efficient RL requires the determination of an appropriate reward function, which is a complex problem even for domain experts. In this paper we investigate if a standard robotics reinforcement learning method called PoWER can be effectively utilized with a simple, qualitatively determined reward, instead of with a complex reward function. Our use-case example is robotic throwing at a target. However, for increased complexity, we perform throwing with a 7 degree of freedom arm of a humanoid robot, and a two-dimensional target space, i.e., the target is placed arbitrarily on the plain in front of the robot, which needs to learn the direction and the distance. Results show that learning with a simplified reward function that practically assigns a qualitative reward, just as a person would, can still be effectively used for RL using PoWER.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130324409","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
Identification of association rules in orders of distribution companies’ clients 配送公司客户订单关联规则的识别
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861951
Armin Nogo, E. Žunić, D. Donko
{"title":"Identification of association rules in orders of distribution companies’ clients","authors":"Armin Nogo, E. Žunić, D. Donko","doi":"10.1109/EUROCON.2019.8861951","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861951","url":null,"abstract":"The identification of association rules is the problem of finding associations between different items in the same transactions. In this paper, performance comparison of different variants of Apriori, FP-Growth and ECLAT algorithms was performed over the real transactional data set of the distribution company by using R programming language and its appropriate packages, and the results obtained are later on explained. Then, the identification and visualization of the association rules of the said real data set was performed.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131088776","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
Power Harmonics Measurements Based on Modified Newton-Raphson Procedure 基于改进牛顿-拉夫逊法的电力谐波测量
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861625
P. Petrović, Dimitrije Rozgic
{"title":"Power Harmonics Measurements Based on Modified Newton-Raphson Procedure","authors":"P. Petrović, Dimitrije Rozgic","doi":"10.1109/EUROCON.2019.8861625","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861625","url":null,"abstract":"The paper proposes new algorithm for power harmonics parameters measurement based on modified Newton-Raphson method. The main modification is achieved through reconfiguration of the Jacobian matrix, and direct calculation of its characteristic coefficients without need to obtain inversion. The zero-crossing method is used to compute the frequency roughly for initial frequency estimation. With additional digital filtering, the parameters can be initialized properly and the updating steps can be supervised for fast convergence of Newton-Raphson iterations. With this combined approach, both high accuracy and good tracking speed can be achieved. It significantly reduces the computation complexity and makes the programming easier as well. The proposed algorithm has the quadratic convergence. Reliability and effectiveness of the proposed method was confirmed through simulation tests and results.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131990038","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
Very Fast Prediction of MMF Harmonics Content in Multiphase Electrical Machines 多相电机中毫米波谐波含量的快速预测
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861728
G. Madescu, Erhard Berwanger, M. Biriescu, M. Mot, M. Greconici
{"title":"Very Fast Prediction of MMF Harmonics Content in Multiphase Electrical Machines","authors":"G. Madescu, Erhard Berwanger, M. Biriescu, M. Mot, M. Greconici","doi":"10.1109/EUROCON.2019.8861728","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861728","url":null,"abstract":"Multiphase windings or other special windings (fractional-slot, tooth-concentrated, multilayer) have been gained a great interest over the last years due to some advantages that this type of windings provides for alternative current (a.c.) electrical machines. This paper aims to help the machine designer to select the proper winding configurations and to sort out the best winding layout. The classical method based on star of slots and Fourier-series expansion of the air-gap MMF wave was implemented on the computer to quickly determine the values of the main winding factor, space harmonic content and differential leakage coefficient in order to identify the optimal winding structure. Thus, the proposed application becomes a helpful tool in the design process and can be applied for any type of single or multiphase winding layout irrespective of number of layer or number of conductor per slot. The paper also describes how to use this new and original application that is free available on the website www.sarlota. de/RunFastMMF56.html.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133772116","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
Implementation of IoT System for Securing Telecommunications Infrastructure Based on LoRaWAN Operator’s Network 基于LoRaWAN运营商网络保障电信基础设施安全的物联网系统实现
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861632
Marko Lj. Jovanovic, M. Koprivica, Nataša Neškovi
{"title":"Implementation of IoT System for Securing Telecommunications Infrastructure Based on LoRaWAN Operator’s Network","authors":"Marko Lj. Jovanovic, M. Koprivica, Nataša Neškovi","doi":"10.1109/EUROCON.2019.8861632","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861632","url":null,"abstract":"This paper considers a practical IoT (Internet of Things) solution implemented in a LoRaWAN (Long Range Wide Area Network) network of the Serbian telecommunications operator Telekom Srbija. The IoT solution was developed to secure the operator’s infrastructure located in manholes and prevent stealing. The paper presents methods and techniques, which telecommunications operator has used to incorporate LoRaWAN technology into the existing IP/MPLS (Internet Protocol/Multi-Protocol Label Switching) network. The results of this technology implementation are shown and significance of it is pointed out.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"194 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114213500","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: 6
Four Pillars of IoT in Health Application 物联网在健康应用中的四大支柱
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861954
Tamara Skoric, K. Katzis, Sladjana Jovanovic
{"title":"Four Pillars of IoT in Health Application","authors":"Tamara Skoric, K. Katzis, Sladjana Jovanovic","doi":"10.1109/EUROCON.2019.8861954","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861954","url":null,"abstract":"The internet of everything (IoE) is a concept that resides upon four distinctive pillars: people (connecting people in more relevant, valuable ways), data (converting data into intelligence to make better decisions), process (delivering the right information to the right person or right machine at the right time) and things (devices and objects connected to each other, also known as internet of things, IoT). The purpose of this contribution is to align the four IoE pillars to the available mobile data sources in order to create a database of significant size, available for the medical research society. Each one of the four pillars is analyzed and the possibilities, advantages and disadvantages are discussed.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123192691","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
Overview of software tools for integration and active management of high penetration of DERs in emerging distribution networks 在新兴的分销网络中，用于集成和主动管理高渗透的分布式存储的软件工具概述
IEEE EUROCON 2019 -18th International Conference on Smart Technologies Pub Date : 2019-07-01 DOI: 10.1109/EUROCON.2019.8861765
N. Petrovic, L. Strezoski, B. Dumnic
{"title":"Overview of software tools for integration and active management of high penetration of DERs in emerging distribution networks","authors":"N. Petrovic, L. Strezoski, B. Dumnic","doi":"10.1109/EUROCON.2019.8861765","DOIUrl":"https://doi.org/10.1109/EUROCON.2019.8861765","url":null,"abstract":"Emerging types of software and communication systems that manage distributed energy resources (DERs) such as solar photovoltaic, wind turbines, flywheels, battery storage systems, etc. are termed Distributed Energy Resources Management Systems (DERMS). When properly deployed, their capabilities provide multiple benefits to both, utilities and their customers. DERMS consists of a set of software management tools that allow distribution companies and operators to manage a range of DERs, and offer almost real-time network control. DERMS can help tremendously in integrating, managing, and controlling flexible and intermittent DERs and electric demand. These analyses contribute to keeping the transmission and distribution system in sync with the efficient and reliable balance of supply and demand that should lead to ideally optimization of power flows, electric demand, DERs, and traditional centralized generation. Moreover, in order to handle distributed generation (DG) and to intensify its visibility within power markets, the idea of virtual power plant (VPP) has emerged. Dynamic, automated, and cost-effective management of the distribution system is achieved with DERMS tools that are presented in this paper. Moreover, various hierarchy-levels of DERMS tools co-exist nowadays, such as DER aggregator, VPP, Utility DERMS, and they all can tremendously improve efficiency of Active Distribution Networks (ADN). This paper presents an overview of the current state-of-the-art regarding various DERMS tools, and their capabilities to increase the overall distribution system efficiency.","PeriodicalId":232097,"journal":{"name":"IEEE EUROCON 2019 -18th International Conference on Smart Technologies","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125200436","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
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