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Development and testing of small aerial vehicles with redundant number of rotors 冗余旋翼小型飞行器的研制与试验
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625241
Igor Cvisic, I. Petrović
{"title":"Development and testing of small aerial vehicles with redundant number of rotors","authors":"Igor Cvisic, I. Petrović","doi":"10.1109/EUROCON.2013.6625241","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625241","url":null,"abstract":"Multiple rotor Unmanned Aerial Vehicles (UAVs) are becoming ubiquitous due to simplicity of their construction, implementation and maintenance. Such UAVs are able to hover, take off and land vertically. In addition, it is relatively straightforward to design an on-board autopilot. In comparison with classical helicopters, multi-rotor aircrafts provide less dangerous testbed in urban and cluttered environments due to their small-size and light-weight blades. In this paper, we present two multi-rotor aircraft prototypes with payload up to one kilogram. In order to achieve greater payload capabilities and increase robustness due to motor failures, the presented prototypes have redundant number of rotors, one has six and other eight rotors. Furthermore, we propose algorithms for data fusion from gyroscopes, accelerometers, magnetometers and GPS for orientation and position estimation. Finally, control algorithms are designed in a multi-loop fashion and successfully tested on the prototypes. The developed UAVs are experimentally tested in real world outdoor environment conditions.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114055602","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
An investigation of usability of common crosstalk models in respect to DSL loop qualification 常用串扰模型在DSL环路鉴定方面的可用性研究
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625051
A. Begovic, N. Behlilovic
{"title":"An investigation of usability of common crosstalk models in respect to DSL loop qualification","authors":"A. Begovic, N. Behlilovic","doi":"10.1109/EUROCON.2013.6625051","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625051","url":null,"abstract":"This paper investigates a usability of several common crosstalk models in respect to DSL loop qualification. Short overviews of both common crosstalk models and testing procedures are introduced. A comparison of crosstalk which is calculated from observing models and obtained by testing of real system is done. Based on that, the possibilities of loop qualification using crosstalk models are discussed.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122477648","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 wide tuning range 11.8 GHz ring oscillator VCO with temperature and process compensation 宽调谐范围11.8 GHz带温度和过程补偿的环形振荡器压控振荡器
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625227
K. Abugharbieh, Mahmoud Abdelfattah, Tareq A. Al-Maaita, Abdallah H. Tahboub
{"title":"A wide tuning range 11.8 GHz ring oscillator VCO with temperature and process compensation","authors":"K. Abugharbieh, Mahmoud Abdelfattah, Tareq A. Al-Maaita, Abdallah H. Tahboub","doi":"10.1109/EUROCON.2013.6625227","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625227","url":null,"abstract":"This paper presents a novel ring based voltage controlled oscillator (VCO) with a wide tuning range (0.6-11.8) GHz. The design implements a new technique that servos the Phase Locked Loop (PLL) control voltage to compensate for PVT variations. By adjusting the size of the VCO's voltage controlled resistors (VCRs), the VCO achieves a wide frequency range without adversely impacting the stability or the natural frequency of the PLL. The KVCO variation is less than 3.9. The design was simulated and extracted in 90nm CMOS technology, uses a 1.2V supply, and consumes a maximum power of 22 mW.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122480421","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
Identification and evaluation of parameters for the prevention of pressure ulcers in hospitalized patients 住院患者压疮预防参数的识别与评价
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625190
E. Marenzi, G. M. Bertolotti, A. Cristiani, Fabrizio De Donno, F. Leporati, G. Danese, M. Bejor
{"title":"Identification and evaluation of parameters for the prevention of pressure ulcers in hospitalized patients","authors":"E. Marenzi, G. M. Bertolotti, A. Cristiani, Fabrizio De Donno, F. Leporati, G. Danese, M. Bejor","doi":"10.1109/EUROCON.2013.6625190","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625190","url":null,"abstract":"The observation and prevention of decubitus sores of patients hospitalized during rehabilitation is an important issue and the commercial devices traditionally used for this purpose seem not sufficient. Therefore, it is necessary to design a new algorithm, implemented in Labview, for the evaluation of these indicators. The program has been tested on a healthy subject and then a protocol has been written to verify the first results on patients. The software shows a good behavior even in a clinical environment and it proposes itself as a tool for the evaluation of pressure ulcers in hospitals and to help medical staff to better take care of such a problem.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122644356","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
Reverse converters for RNSs with diminished-one encoded channels 具有衰减1编码信道的RNSs的反向转换器
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625221
E. Vassalos, D. Bakalis, H. T. Vergos
{"title":"Reverse converters for RNSs with diminished-one encoded channels","authors":"E. Vassalos, D. Bakalis, H. T. Vergos","doi":"10.1109/EUROCON.2013.6625221","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625221","url":null,"abstract":"The diminished-one encoding is often considered when representing the operands in the modulo 2k+1 channels of a Residue Number System (RNS) since it can offer increased arithmetic processing speed. However, limited research is available on the design of residue-to-binary (reverse) converters for RNSs that use the diminished-one encoding in one or more channels. In this paper we introduce a simple methodology for designing such converters which can be applied to reverse converters based on the Chinese Remainder Theorem (CRT) or the New CRT-I method. Efficient converters for three moduli sets, covering different dynamic ranges, are also analytically presented. The proposed converters are shown to be area, delay and power efficient for several moduli sets.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127819082","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
Analysis and visualization of SSH attacks using honeypots 使用蜜罐的SSH攻击分析和可视化
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6624967
Ioannis Koniaris, G. Papadimitriou, Petros Nicopolitidis
{"title":"Analysis and visualization of SSH attacks using honeypots","authors":"Ioannis Koniaris, G. Papadimitriou, Petros Nicopolitidis","doi":"10.1109/EUROCON.2013.6624967","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6624967","url":null,"abstract":"In the field of computer security, honeypots are systems aimed at deceiving malicious users who launch attacks against the servers and network infrastructure of various organizations. They can be deployed as protection mechanisms to an organization's real systems, or as research units to study and analyze the methods employed by individual hackers. In this paper we present the results of a research honeypot's operation, which undertook the role of a web trap for attackers who target the SSH service in order to gain illegal server access. The fake system has remained online and fully operational during a course of several consequent months, capturing attacks and logging all malicious activity. During this assessment it was shown that honeypots remain very effective tools in gathering information about SSH attacks. Furthermore, we observed that attackers are constantly targeting servers in the wild employing ready-to-use tools and dictionaries, while their post-compromise actions include mostly pivoting and IRC-related activities. Lastly we present a visualization tool aimed at helping security researchers during the analysis and conclusions drawing phases, for use with the same SSH honeypot implementation software as outlined in this work.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"564 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133610975","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: 36
An ICT based project management learning framework 基于ICT的项目管理学习框架
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625000
F. Alba‐Elías, A. González‐Marcos, Joaquín B. Ordieres Meré
{"title":"An ICT based project management learning framework","authors":"F. Alba‐Elías, A. González‐Marcos, Joaquín B. Ordieres Meré","doi":"10.1109/EUROCON.2013.6625000","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625000","url":null,"abstract":"The objective of this paper is to present a framework that can facilitate the university level learning process in the Project Management of different students who are enrolled in different universities in different locations and attending their own Project Management courses, but running a virtual experience in executing and managing projects. The framework includes both information systems and methodological procedures that are integrated in the information system, making it possible to assess learning performance.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131790351","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 literature review with statistical analysis of electricity price forecasting methods 对电价预测方法进行文献综述与统计分析
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625068
M. Cerjan, I. Krzelj, Marko Vidak, M. Delimar
{"title":"A literature review with statistical analysis of electricity price forecasting methods","authors":"M. Cerjan, I. Krzelj, Marko Vidak, M. Delimar","doi":"10.1109/EUROCON.2013.6625068","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625068","url":null,"abstract":"In today's liberalized and competitive power market, electric utilities, power producers and traders are exposed to increasing price risks and volatility. The growing reliance on renewable sources and their dependence on weather, nuclear uncertainty, market coupling and global financial instability are contributing to importance of accurate price forecast. Considering the fact that power markets are not equally developed, different price forecasting methods have arose. This paper provides an overview of notable price forecasting methods that have been published in research papers. The paper also includes statistical review of applied methods embracing timeframe, geographical background, statistical errors and other specific data. Finally, results are discussed with respect to qualitative and quantitative statistical analysis, with emphasis on the price forecasting accuracy.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134153141","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: 33
Fault location in distribution network using cumulative approach 基于累积法的配电网故障定位
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625154
I. Džafić, I. Muhic, M. Music, I. Rustempasic, N. Lecek
{"title":"Fault location in distribution network using cumulative approach","authors":"I. Džafić, I. Muhic, M. Music, I. Rustempasic, N. Lecek","doi":"10.1109/EUROCON.2013.6625154","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625154","url":null,"abstract":"In distribution system, the subject of fault location has been of considerable interest for a long time. The objective of this paper is to develop Cumulative approach for fault location based on statuses of Fault Indicators (FI), Circuit Breakers (CB), Fuses and Fault Impedances from distance protection devices. This approach is using mainly graph theory algorithms and Area Marking Strategy to resolve fault diagnosis problem in electric power networks. Unlike neighborhood approach where one link only affects the marking of neighbor areas, cumulative approach marks all areas down the link. In many situations, cumulative approach may outperform neighbor approach.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116582263","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: 17
Synchronous reluctance motor without rotor ferromagnetic yoke 无转子铁磁轭的同步磁阻电动机
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625106
L. Lavrinovicha, U. Brakanskis, J. Dirba
{"title":"Synchronous reluctance motor without rotor ferromagnetic yoke","authors":"L. Lavrinovicha, U. Brakanskis, J. Dirba","doi":"10.1109/EUROCON.2013.6625106","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625106","url":null,"abstract":"A new construction of an outer-rotor synchronous reluctance motor without typical rotor ferromagnetic yoke is presented and investigated in this paper. The paper includes a comparative analysis between the new construction of the outer-rotor synchronous reluctance motor and a similar salient-pole motor with outer ferromagnetic yoke. For the comparative analysis the electromagnetic torque-angle characteristics of the both motor types are calculated by the magnetostatic field analysis with the help of computer software QuickField. The comparison results of the both motors under investigation show that higher electromagnetic torque per unit volume can be achieved with the proposed synchronous reluctance motor design without typical rotor ferromagnetic yoke.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"179 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123119729","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
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