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IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)最新文献

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Creating a GPGPU-accelerated framework for pattern matching using a case study 使用案例研究创建用于模式匹配的gpgpu加速框架
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313740
T. Fekete, G. Mezei
{"title":"Creating a GPGPU-accelerated framework for pattern matching using a case study","authors":"T. Fekete, G. Mezei","doi":"10.1109/EUROCON.2015.7313740","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313740","url":null,"abstract":"Nowadays, general purpose personal computers often contain a separated GPU card. The card can be used to extend the computing power of the CPU. This possibility is getting bigger and bigger focus in several areas such as bioinformatics or audio signal processing. Our goal is to build a heterogeneous GPU-CPU based framework which can search for user defined patterns in a domain-specific model. Efficient pattern matching is useful in various fields, for example in refactoring software systems, or in financial analysis applications. We started building the framework by defining and solving a simple case study to analyze the difficulties in the field and find the keys of success based on a practical example. Several challenges were faced and solved including performance and scalability. At the end, we gained enough experience to create a robust and performant framework. The paper presents the case study, its solution and the architecture of our general, GPU-based pattern matching framework.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115456173","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
Low phase-noise oscillator design using large signal transfer function and complex quality factor 采用大信号传递函数和复杂品质因子的低相位噪声振荡器设计
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313737
G. Selcuk, Sinan Kurt
{"title":"Low phase-noise oscillator design using large signal transfer function and complex quality factor","authors":"G. Selcuk, Sinan Kurt","doi":"10.1109/EUROCON.2015.7313737","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313737","url":null,"abstract":"In this study we use large signal closed loop transfer function and complex quality factor to design a low phase noise feedback oscillator. The method offers two major advantages. First it evaluates the closed loop transfer function, which inherently takes into account the impedance mismatch between the elements of the loop and the nonlinear behavior of the active device. These factors affect the loaded quality factor of the frequency stabilization element, as well as the location of frequency at which minimum phase noise is obtained. Secondly the method uses complex quality factor to estimate the frequency of best phase noise performance. Unlike the conventional quality factor which only uses the derivative of phase response, complex quality factor takes into account both amplitude and phase variations and provide better insight for low noise design. It has been shown experimentally that complex quality factor changes significantly for saturated loop. By using complex quality factor of saturated loop, phase noise performance can be more accurately predicted compared to the methods which do not take saturation effects into account.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115828689","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
Estimation of Weibull parameters from wind measurement data by comparison of statistical methods 比较统计方法对测风数据的威布尔参数估计
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313684
Maja Celeska, K. Najdenkoski, V. Stoilkov, Aneta Buchkovska, Zhivko Kokolanski, V. Dimchev
{"title":"Estimation of Weibull parameters from wind measurement data by comparison of statistical methods","authors":"Maja Celeska, K. Najdenkoski, V. Stoilkov, Aneta Buchkovska, Zhivko Kokolanski, V. Dimchev","doi":"10.1109/EUROCON.2015.7313684","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313684","url":null,"abstract":"In this study, we investigate the wind speed characteristics in the northern part of Republic of Macedonia, using measured wind speed data in the period from August 2012 to March 2015. The two parameter Weibull distribution is widely used for modeling, characterizing and predicting wind resource and wind power, as well as assessing the optimal performance of wind energy conversion systems. Therefore it is very important to precisely estimate the Weibull parameters for any candidate site. We compare four methods for calculating the parameters of Weibull wind speed distribution for wind energy analysis: Method of moments, Empirical method, Maximum likelihood method and Power density method. We apply each method on a sample of hourly averaged wind speed data and estimate its accuracy using statistical methods of analysis. Finaly, we conclude that the Maximum likelihood method gives best results in calculating the shape parameter - k and scale parameter - c for the particular site. Once the Weibull parameters are calculated with high accuracy, further research can be done in using the kinetic wind energy.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121712826","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: 14
A functional coverage approach for direct testing: An industrial IP as a case study 用于直接测试的功能覆盖方法:作为案例研究的工业IP
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313667
Sameh El-Ashry, K. Salah
{"title":"A functional coverage approach for direct testing: An industrial IP as a case study","authors":"Sameh El-Ashry, K. Salah","doi":"10.1109/EUROCON.2015.7313667","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313667","url":null,"abstract":"Tracking the test-plan progress of the direct testing methodology is a manual process. If the test-plan is complicated, the manual tracking effort is huge. In this paper, an automated functional coverage method is proposed to be used along with direct testing in order to automatically track the progress of the test-plan. To the best of our knowledge, it is the first time that functional coverage is proposed to be used with direct testing. Besides, this methodology may predict uncovered corner cases scenarios. The whole universal verification methodology (UVM) hasn't been used because it is a time-consuming process and an infrastructure for direct testing already exists. The time efforts to implement functional coverage only with direct testing are negligible compared to the time efforts needed to implement the whole UVM testbench. An industrial intellectual property (IP) model is used as a case study to demonstrate our findings.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125224398","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: 7
Integrative gene expression analysis of lung cancer based on a technology-merging approach 基于技术融合方法的肺癌综合基因表达分析
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313796
J. M. Soto, Francisco M. Ortuño Guzman, I. Rojas
{"title":"Integrative gene expression analysis of lung cancer based on a technology-merging approach","authors":"J. M. Soto, Francisco M. Ortuño Guzman, I. Rojas","doi":"10.1109/EUROCON.2015.7313796","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313796","url":null,"abstract":"Nowadays there are many microarray gene expression datasets which are available by means of public repositories. Nevertheless, the fact is that most of them are low-scale analysis with a little number of samples. Consequently, integrating different data from several independent studies which try to treat a similar disease may be seen as a good option to tackle with the scarce number of samples that can be collected by only one study. In this paper we take a step beyond this approach and we merge also datasets from different microarray technologies, namely both Illumina and Affymetrix. Thanks to that we achieve a bigger database of lung cancer studies in order to obtain more significantly expressed genes in the differential gene expression analysis.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122458996","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
Automated segmentation of brain tumors in MRI using potential field clustering 基于势场聚类的MRI脑肿瘤自动分割
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313670
I. Gondra, I. Cabria
{"title":"Automated segmentation of brain tumors in MRI using potential field clustering","authors":"I. Gondra, I. Cabria","doi":"10.1109/EUROCON.2015.7313670","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313670","url":null,"abstract":"We propose potential field clustering, a new algorithm based on an analogy with the concept of potential field in Physics. By viewing the intensity of a pixel in a FLAIR MRI image as a “mass” that creates a potential field, the algorithm is used for tumor localization. The center of the localized tumor cluster is then used as the initial seed in a region growing segmentation algorithm. We evaluate the performance of this segmentation approach on the publicly available brain tumor image segmentation MRI benchmark. The performance of the proposed approach is compared with that of the Force clustering algorithm by Kalantari et al. (2009). Experimental results show that the proposed algorithm is more accurate in localizing tumor centers, which, in turn, results in better segmentations.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134439392","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
A multi-agent method for periodicity detection in distributed events 分布式事件周期检测的多智能体方法
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313704
A. Opalinski
{"title":"A multi-agent method for periodicity detection in distributed events","authors":"A. Opalinski","doi":"10.1109/EUROCON.2015.7313704","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313704","url":null,"abstract":"Multi-agent systems working in constantly changing environments may be challenged by instantaneous unavailability of their autonomous agents caused e.g. by limited computing resources. A new method of self-organization of distributed service components is proposed, suitable for multi-agent systems. This method relies on particular agents carrying out separate analyzes of their individual processing loads or other specific events. Analysis is done separately by each agent, and is based only on information about agent's own history of involvements in former tasks' execution. Agents can also decide to replace peers should such need arise. The superposition of individual agents' readiness periods emerges as a collective forecast of service load. By individual agents' decisions appropriate amounts of agents get ready to execute forthcoming tasks.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129731464","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
Assessing Lead-Acid battery design parameters for energy storage applications on insular grids: A case study of Crete and São Miguel islands 评估孤岛电网上储能应用的铅酸电池设计参数:以克里特岛和<s:1>米格尔岛为例
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313797
E. Rodrigues, R. Godina, G. Osório, J. Lujano-Rojas, J. Matias, J. Catalão
{"title":"Assessing Lead-Acid battery design parameters for energy storage applications on insular grids: A case study of Crete and São Miguel islands","authors":"E. Rodrigues, R. Godina, G. Osório, J. Lujano-Rojas, J. Matias, J. Catalão","doi":"10.1109/EUROCON.2015.7313797","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313797","url":null,"abstract":"This paper explores an innovative approach to model Lead-Acid battery energy storage systems (BESS) in insular power grid applications. In this context, two insular power networks are employed as real case studies. A critical analysis with regards to some BESS design parameters is performed. Finally, a charging sensibility analysis based criterion is proposed with a view to extend BESS life time.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130779741","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
Primary control operation modes in islanded hybrid ac/dc microgrids 孤岛式交/直流混合微电网的主要控制运行模式
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313681
E. Unamuno, J. Barrena
{"title":"Primary control operation modes in islanded hybrid ac/dc microgrids","authors":"E. Unamuno, J. Barrena","doi":"10.1109/EUROCON.2015.7313681","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313681","url":null,"abstract":"Hybrid ac/dc microgrids are an interesting solution in order to improve the quality of the energy delivered by the electric grid. Typically a hierarchically configured control strategy is adopted, where primary level strategies perform the power control of devices connected to the microgrid. This paper analyzes and compares in simulation five operation modes of primary control strategies in islanded hybrid ac/dc microgrids. The results show that the use of multiple grid-forming units in the ac and dc network of the microgrid requires lower-size energy storage devices and the reliability of the microgrid is improved. The power management of the interface converter between networks is highlighted for improving the performance of the microgrid when different variations of frequency and voltage take place. It is shown that by applying a slightly higher control level strategy to this converter, power variations are shared among all the grid-forming devices and therefore voltage and frequency deviations are balanced.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121942962","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
Data management in research applications used in voltage dips field 电压骤降领域研究应用中的数据管理
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313726
F. Molnar-Matei, M. Iovan, A. Pana, Felicia Baloi
{"title":"Data management in research applications used in voltage dips field","authors":"F. Molnar-Matei, M. Iovan, A. Pana, Felicia Baloi","doi":"10.1109/EUROCON.2015.7313726","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313726","url":null,"abstract":"Computing systems technological development from the last period, both in terms of computing capacity and in terms of storage capacity, created the premises required to produce large databases. Meanwhile, the economic losses due to voltage dips are becoming more significant, and the result of this is an intensification of the research in this area using algorithms more complex that requires large amounts of information. Under these conditions, in this paper it is proposed a professional database realized according to the latest industry standards. The database was created so that it can store all necessary information for voltage dips analysis, including the instantaneous values of voltage waves during the voltage dip.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122165431","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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