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2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)最新文献

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Real-Time Sag Estimation of Overhead Power Lines Based on Approximate Magnetic Field Model 基于近似磁场模型的架空线路暂降实时估计
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751249
Nemanja Kitić, P. Matić, Đorđe M. Lekić, Predrag Mršić, Bojan Erceg, Č. Zeljković, V. Starčević
{"title":"Real-Time Sag Estimation of Overhead Power Lines Based on Approximate Magnetic Field Model","authors":"Nemanja Kitić, P. Matić, Đorđe M. Lekić, Predrag Mršić, Bojan Erceg, Č. Zeljković, V. Starčević","doi":"10.1109/INFOTEH53737.2022.9751249","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751249","url":null,"abstract":"In contemporary electrical power systems real-time power line monitoring and supervision are commonly performed using simple non-invasive devices with contactless magnetic field measurement. Measured magnetic fields are commonly employed for fault detection in fault passage indicators, but they can also be used to determine electrical and non-electrical power line variables. In this paper a novel adaptive method for conductor sag estimation is proposed, using magnetic field measurement. The method is based on the properly calibrated approximate power line magnetic field model, in which catenary-shaped conductors are modeled by tilted straight-line conductors of infinite length. By this approximation, the overhead power line model can be used in simple devices for power line monitoring in real-time. Applicability and accuracy of the proposed method for power line conductor sag estimation is verified by computer simulations and measurements on a three-phase overhead line model, scaled to laboratory conditions.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"11 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90176286","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
Continued Supporting a Systematic Literature Review by Applying Text Mining Methods 继续支持应用文本挖掘方法进行系统的文献综述
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751318
T. Georgieva-Trifonova
{"title":"Continued Supporting a Systematic Literature Review by Applying Text Mining Methods","authors":"T. Georgieva-Trifonova","doi":"10.1109/INFOTEH53737.2022.9751318","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751318","url":null,"abstract":"In the present paper, a framework for the continued supporting a systematic literature review (SLR) is proposed, which includes the application of text mining methods in order to automate the classification of scientific publications and the more in-depth analysis of their content. For this purpose, a dataset is created from the titles, abstracts and keywords of papers, included in a systematic literature review on the application of semantic technologies in bibliographic databases. Data analytics methods are applied - frequency analysis of words and word combinations; linear regression for trend exploration; text classification, where the categories are the applied semantic technologies or the researched problems in accordance with a pre-defined classification framework. The vector space model enriched with PMI (pointwise mutual information) measure is used for the classification. An assessment of the text classification performance in terms of various measures is made and the obtained results are summarized.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"1 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78730016","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
Database Model for Monitoring the Exchange of Data Between Participants in the Electricity Market According to the EDI Standard 基于EDI标准的电力市场参与者数据交换监控数据库模型
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751290
Dragoljub Krneta, Sofija Krstev
{"title":"Database Model for Monitoring the Exchange of Data Between Participants in the Electricity Market According to the EDI Standard","authors":"Dragoljub Krneta, Sofija Krstev","doi":"10.1109/INFOTEH53737.2022.9751290","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751290","url":null,"abstract":"In this paper, we present an approach to designing database model for monitoring the exchange of data according to the EDI (Electronic Data Interchange) standard in the reformed electricity market. Based on the proposed model, a part of the database was created to support the monitoring of data exchange between participants in the retail electricity market. Fast and secure data exchange is of great importance in supporting the part business processes of all participants in the electricity market. Since a large number of messages are exchanged every day, quality monitoring of data exchange is necessary.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"49 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74433027","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
Analysis of the Cooperative NOMA performance systems with Energy Harvesting strategies 基于能量收集策略的协同NOMA性能系统分析
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751269
C. Soumali, M. Belattar
{"title":"Analysis of the Cooperative NOMA performance systems with Energy Harvesting strategies","authors":"C. Soumali, M. Belattar","doi":"10.1109/INFOTEH53737.2022.9751269","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751269","url":null,"abstract":"In this paper, we propose a novel wireless-powered hybrid (downlink and uplink) NOMA system to enable uplink NOMA transmission. By means of harvested energy from radio frequencies, two scenarios are proposed to feed energy to NOMA users. In the first scenario a power beacon transmit energy signal to different NOMA users, such users deploy harvested energy to transmit their own information signals in uplink to the base station. However in the second scenario, the base station transmit information signal in downlink to the users in the first time, then the base station feeds the users in the second time, in the third time users transmit their own information signals in uplink to the base station.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"160 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91385018","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
File system performance for type-1 hypervisors on the Xen and VMware ESXi Xen和VMware ESXi上1类虚拟化环境的文件系统性能
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751288
Borislav Đorđević, V. Timčenko, Dušan Sakić, Nikola Davidovic
{"title":"File system performance for type-1 hypervisors on the Xen and VMware ESXi","authors":"Borislav Đorđević, V. Timčenko, Dušan Sakić, Nikola Davidovic","doi":"10.1109/INFOTEH53737.2022.9751288","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751288","url":null,"abstract":"This paper presents results obtained for the performance comparison of two type 1 hypervisors, ESXi 6.5 and Xen 8.0. We tested their performance through file system testing procedures using software Filebench, which is a benchmark for file and storage systems evaluation. Both analyzed hypervisors were tested while keeping equal software and hardware conditions. Centos 8.5 is chosen as the guest operating system, and it was installed on the generated virtual machines. To obtain valid results, the hypervisor performances are compared for systems with one, two, and three virtual machines. Initially, we defined the mathematical modeling of the workloads, set up hypervisor environment and hypotheses related to expected behavior, and later confirmed with the obtained results.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"8 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84242087","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
Research and Development on Mobile Powered Upper-Body Exoskeletons for Industrial Usage 工业用移动动力上肢外骨骼的研究与开发
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751255
F. Dengiz
{"title":"Research and Development on Mobile Powered Upper-Body Exoskeletons for Industrial Usage","authors":"F. Dengiz","doi":"10.1109/INFOTEH53737.2022.9751255","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751255","url":null,"abstract":"This work is completed as a part of an exoskeleton project that was started to solve a specific problem. The scope covers the research and development of a lightweight mobile active upper-body exoskeleton for industrial workers who are lifting heavy loads on daily basis. It shall be a powered electromechanical device to decrease the musculoskeletal fatigue on the user with human augmentation properties. There will be certain constraints such as body part, mobility, and activity. The proposed design is the most optimized version that can be produced with the current state of the related studies.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"17 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89232112","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
Benchmark of a Method for Instrumented Tests Parallelization in Android Applications Android应用中仪器化测试并行化方法的基准测试
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751252
Amer Ratković, Šeila Bećirović, Irfan Prazina, V. Okanović
{"title":"Benchmark of a Method for Instrumented Tests Parallelization in Android Applications","authors":"Amer Ratković, Šeila Bećirović, Irfan Prazina, V. Okanović","doi":"10.1109/INFOTEH53737.2022.9751252","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751252","url":null,"abstract":"In this paper, the design and implementation of parallel instrumented tests of Android applications are presented. Instrumented unit tests are tests that run on physical devices and emulators, and they can take advantage of the Android framework APIs. Android is the leading mobile operating system worldwide and the quality of mobile applications is as important as in any other desktop or web application. Evaluation and quality of those applications are accomplished by using automated testing tools. Parallel testing radically reduces the cost and time with regard to traditional testing methodologies. The paper uses a method and tools developed by Roman Kushnarenko from Medisafe. All the tools are available on the author's GitHub repository under the MIT license. The method is benchmarked on a simple application with different devices and emulators. Experiments show how tests parallelization scales with a different number of tests and devices.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"46 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76544229","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
The Role of Digital Competencies in the Process of Digital Transformation 数字能力在数字化转型过程中的作用
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751285
Zorana Štaka, M. Vuković, V. Vujovic
{"title":"The Role of Digital Competencies in the Process of Digital Transformation","authors":"Zorana Štaka, M. Vuković, V. Vujovic","doi":"10.1109/INFOTEH53737.2022.9751285","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751285","url":null,"abstract":"Digital transformation represents a connective tissue of the global economic system and therefore is an unavoidable element in the process of improvement, both developed and underdeveloped countries. In contrast to digitalization, which was the initiator of digital transformation and relied exclusively on the introduction of digital technologies, digital transformation is interpreted as much wider and requires a special set of skills and competencies. From the perspective of technological innovations, which is the key segment of this process, it is necessary to recognize relevant elements that ensure that the process of digital transformation runs smoothly. Initially, in order to identify the digital competencies of which the process consists, it is necessary to analyze the process of digital transformation itself. After the analysis, the focus shifts to the digital competencies needed to fulfill the identified skills. In this paper, an analysis of digital transformation is performed and the necessary competencies that employees need to have for this process to be successful within the business ecosystem are identified. Relying on DIGCOMP as guidance for digital competencies, recommendations and suggestions were formed in order to connect these two areas.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"5 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90010341","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
Welding of S690QL steel in the automotive industry 汽车工业中S690QL钢的焊接
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751293
Bożena-Szczucka Lasota, T. Wȩgrzyn, J. Piwnik, W. Tarasiuk, K. I. Wilczyński
{"title":"Welding of S690QL steel in the automotive industry","authors":"Bożena-Szczucka Lasota, T. Wȩgrzyn, J. Piwnik, W. Tarasiuk, K. I. Wilczyński","doi":"10.1109/INFOTEH53737.2022.9751293","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751293","url":null,"abstract":"The article analyzes the possibility of making a proper joint of high yield structural on the example of steel S690QL (1.8928). Various grades of steel are used more and more frequently for the construction of means of transport and they are used to make homogeneous and mixed joints. The aim of the article is the correct selection of parameters for welding the joint of the mobile landing elements made of S690QL steel with a thickness of 6 mm. It was decided to check the influence of welding parameters on the correctness of the joint made. Various additive materials were used, notably the electrode wires and various shielding gases. Non-destructive and destructive tests were performed to check the quality of the mixed joint.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"19 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75048117","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
Real-Time Data Processing Techniques for a Scalable Spatial and Temporal Dimension Reduction 面向可伸缩时空降维的实时数据处理技术
2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH) Pub Date : 2022-03-16 DOI: 10.1109/INFOTEH53737.2022.9751323
Aleksandar Gavrić, Dušan Vujošcvić, Nemanja Radosavljević, Petar Prvulović
{"title":"Real-Time Data Processing Techniques for a Scalable Spatial and Temporal Dimension Reduction","authors":"Aleksandar Gavrić, Dušan Vujošcvić, Nemanja Radosavljević, Petar Prvulović","doi":"10.1109/INFOTEH53737.2022.9751323","DOIUrl":"https://doi.org/10.1109/INFOTEH53737.2022.9751323","url":null,"abstract":"Wireless sensor networks (WSN) often generate data with high frequency per unit time. Values from sensor measurements are often redundant and provide little or no information. Methods of dimension reduction can be applied and thus only data of interest can be preserved for the purpose of effective analysis of wireless sensor networks' data. The authors show experimentally that it is possible to build more successful predictive models by reducing dimensions and discuss the potential advantages of reducing the spatial and temporal dimensions of sensor measurements in different applications. Authors present the implementation and analysis of an efficient distributed system that enables search, ranking, indexing, machine learning analysis and visualization of data from WSNs, processed in real-time.","PeriodicalId":6839,"journal":{"name":"2022 21st International Symposium INFOTEH-JAHORINA (INFOTEH)","volume":"54 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2022-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73890026","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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