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2019 International Conference on Electromechanical and Energy Systems (SIELMEN)最新文献

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Electrical Buses: Development and Implementation in Chisinau Municipality, Moldova 电动巴士:摩尔多瓦基希讷乌市的发展和实施
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905794
V. Eşanu, Al. Motroi, I. Nuca, Iurie Nuca
{"title":"Electrical Buses: Development and Implementation in Chisinau Municipality, Moldova","authors":"V. Eşanu, Al. Motroi, I. Nuca, Iurie Nuca","doi":"10.1109/SIELMEN.2019.8905794","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905794","url":null,"abstract":"The paper refers to the elaboration, implementation and use of electric buses. The main particularities and trends in the field are examined and presented, after which the developed general structure of the traction and battery charging systems for the electric buses is presented. The economic analysis of the implementation and use in the municipality of Chisinau demonstrates the possibility of obtaining a high profitability even with limited resources. For the successful implementation of the presented technology, the necessary basic factors are also liste","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126614487","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
Study Upon Specific Absorption Rate Values for Different Generations of Mobile Phones by Using a SATIMO-COMOSAR Evaluation Dosimetry System 利用SATIMO-COMOSAR评估剂量学系统研究不同代手机的比吸收率值
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905798
O. Bejenaru, C. Lazarescu, A. Sălceanu, V. David
{"title":"Study Upon Specific Absorption Rate Values for Different Generations of Mobile Phones by Using a SATIMO-COMOSAR Evaluation Dosimetry System","authors":"O. Bejenaru, C. Lazarescu, A. Sălceanu, V. David","doi":"10.1109/SIELMEN.2019.8905798","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905798","url":null,"abstract":"The problem of the human exposure to different types of electromagnetic field sources is a challenging one and should be considered an up to date issue, especially due to the actual trends and progress in mobile communications technology. The here presented paper proposed a study on the measured values of specific absorption rate (SAR) for three mobile phones, GSM-900 and GSM-1800 MHz bandwidths, using a SATIMOCOMOSAR system, provided by an accredited laboratory. A comparison of the SAR values determined by measurements with those from standards has been also done and the conclusions have been taken for different cases of exposure scenarios.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117075363","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
Using Mono and Stereo Camera System for Static and Moving Objects Detection 使用单声道和立体摄像机系统进行静态和运动物体检测
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905820
C. Damian, Daniel Grigorescu, Iulian Ghindă, Maria Robu
{"title":"Using Mono and Stereo Camera System for Static and Moving Objects Detection","authors":"C. Damian, Daniel Grigorescu, Iulian Ghindă, Maria Robu","doi":"10.1109/SIELMEN.2019.8905820","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905820","url":null,"abstract":"Obstacle detection is a very important component for an autonomous vehicle, but since it is still a long way until this type of vehicle can be legally and safely present on the public roads, we can focus on a system that can aid the driver during long trips in order to make sure that he will get safe at his destination.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115502545","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
A Digital Companion with FPGA 带FPGA的数字伴侣
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905861
M. Hnatiuc, B. Hnatiuc
{"title":"A Digital Companion with FPGA","authors":"M. Hnatiuc, B. Hnatiuc","doi":"10.1109/SIELMEN.2019.8905861","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905861","url":null,"abstract":"Prototyping is the basis of development and innovation and it doesn't necessarily have to start in a fully equipped laboratory. The concept of our project represent digital companion that can execute a set of tasks. It can simplify the work in home laboratory. The main objective is to create a system that can execute specific tasks that are part of the developer's routine. Tasks like soldering and drilling holes in the printed circuit board can also be done by the robot system in the presence of the user, the FPGA technology making this possible. The function of the system is the process of soldering the components on the test board after the user previously mounted them in the desired pattern. The user selects the desired pads to be soldered through a VGA (Video Graphics Array) monitor interface which simulate the real PCB (Printed circuit board). The selection is made by handling a two axis joystick that move the cursor to the desired solder pad and select it by pushing the buttons of the joystick.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122577621","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
Generating Programmable Analog Signals using FPGA 用FPGA生成可编程模拟信号
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905870
C. Zet, C. Fosalau
{"title":"Generating Programmable Analog Signals using FPGA","authors":"C. Zet, C. Fosalau","doi":"10.1109/SIELMEN.2019.8905870","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905870","url":null,"abstract":"The present paper presents the possibilities of using FPGAs to generate analog signals and it makes an estimation of the accuracy of the output. Two ways of generating analog signals are analyzed: PWM (pulse width modulation) with passive analog filter and R2R resistive network. Besides the digital circuits, the accuracy of signals and the limitations are analyzed.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129800084","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
Remote Data Acquisition and Monitoring for an Integrated Air Pollutant Monitoring System 空气污染物综合监测系统的远程数据采集与监测
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905878
Pascu Mihail Sebastian, C. Romeo, Simionescu Ramona
{"title":"Remote Data Acquisition and Monitoring for an Integrated Air Pollutant Monitoring System","authors":"Pascu Mihail Sebastian, C. Romeo, Simionescu Ramona","doi":"10.1109/SIELMEN.2019.8905878","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905878","url":null,"abstract":"There is more and more talk of climate change affecting humans, nature and economics. To eliminate the magnitude of these changes we must fight for the reduction of global greenhouse gas emissions. In this regard, it is necessary to take concrete measures that require an understanding of the complex system of links between emissions from different sources and their impact at national or regional level. As the industry develops, economic activities release in the atmosphere increasing quantities of greenhouse gases (CO2), quantities that cannot be captured in the natural carbon circuit. Earth observation systems permanently monitor carbon dioxide concentrations, which in 2016 the number of parts per million (ppm) exceeded the 400ppm threshold. The European Environment Agency, through the measures taken, endeavors to improve and design new valuation measures and air quality monitoring. This papert shows how these pollutants can be monitored and interrogated through a friendly interface.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129844557","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
Comparative Study Between Extended Gopinath Observer and Back EMF-MRAS Speed Observer Coupled with Gopinath Rotor Flux Observer for Sensorless Vector Control of Induction Motor Drives 扩展Gopinath观测器与后置EMF-MRAS速度观测器耦合Gopinath转子磁链观测器在异步电机无传感器矢量控制中的比较研究
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905916
O. Stoicuta, T. Pana
{"title":"Comparative Study Between Extended Gopinath Observer and Back EMF-MRAS Speed Observer Coupled with Gopinath Rotor Flux Observer for Sensorless Vector Control of Induction Motor Drives","authors":"O. Stoicuta, T. Pana","doi":"10.1109/SIELMEN.2019.8905916","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905916","url":null,"abstract":"The article presents a comparison a two observers used in the simultaneous estimation of the speed, position and phasor modulus of the rotor flux of an induction motor. The analysed observers are: extended Gopinath observer (EGO) and assembly consisting of the reduced order Gopinath observer and the Peng speed observer. Both observers are used in sensorless vector control systems with direct rotor flux orientation. Comparative tests are realized by numerical simulation using the Matlab-Simulink.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128280169","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
Current-Feedback Control at Constant Sampling Frequency Applied in Rotor -Field-Oriented Induction Machine Drives 恒采样频率电流反馈控制在转子磁场定向感应电机驱动中的应用
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905804
C. Szabo, N. Szekely, E. Szoke, Vlad Zacharias
{"title":"Current-Feedback Control at Constant Sampling Frequency Applied in Rotor -Field-Oriented Induction Machine Drives","authors":"C. Szabo, N. Szekely, E. Szoke, Vlad Zacharias","doi":"10.1109/SIELMEN.2019.8905804","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905804","url":null,"abstract":"Current-feedback modulation based procedures offer the fastest response and provide accurate current control, without tracking errors. The two modulation procedures presented in this paper are working with constant sampling frequency given by a fixed frequency clock signal. Sequential motion of the voltage space phasor can be achieved if the sampling signal is shifted with 1/3 of the sampling period for each phase, that will guarantee only adjacent and zero voltage vector selection. The proposed techniques were tested by simulation as part of a rotor-field oriented vector control structure for a cage induction motor drive.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126453267","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
Power Output Experimental Evaluation of Fixed Photovoltaic Systems when using Adjustable Tilt Angles 可调倾角固定光伏系统输出功率实验评估
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905822
D. Machidon, Roxana Oprea, M. Istrate
{"title":"Power Output Experimental Evaluation of Fixed Photovoltaic Systems when using Adjustable Tilt Angles","authors":"D. Machidon, Roxana Oprea, M. Istrate","doi":"10.1109/SIELMEN.2019.8905822","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905822","url":null,"abstract":"Traditionally, the fixed photovoltaic (PV) systems are using a yearly optimum tilt angle. However, such an angle would provide best performance in terms of energy output only in some of the months of the year. Adjusting the PV panels’ tilt angle on a regular base, such as twice per year, seasonally or even monthly will definitely ensure higher values of the incident solar radiation and thus a certain growth in terms energy output. In this paper specific optimum tilt angles are used on a PV panel laboratory model in order to evaluate the gains in terms of PV panel’s current intensity and power output.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122314299","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
Qualitative and Quantitative Models Used for Faults Diagnosis of Power Converters 定性和定量模型用于电力变流器故障诊断
2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI: 10.1109/SIELMEN.2019.8905834
V. Ivanov, M. Brojboiu, S. Ivanov
{"title":"Qualitative and Quantitative Models Used for Faults Diagnosis of Power Converters","authors":"V. Ivanov, M. Brojboiu, S. Ivanov","doi":"10.1109/SIELMEN.2019.8905834","DOIUrl":"https://doi.org/10.1109/SIELMEN.2019.8905834","url":null,"abstract":"Fault Diagnosis for Engineering Systems gives a complete presentation of basic essentials of fault diagnosis, and takes a look at the cutting-edge discipline of intelligent fault diagnosis for condition-based maintenance. The paper presents a defect detection system based on development the tree faults analysis for a power rectifier. The tree fault method is used for quantitative and qualitative analysis of system reliability. For the qualitative analysis of the faults, the tree of faults is developed, based on symptoms, considered to be the most frequent ones during the operation of the power rectifiers. The paper describes the steps of the diagnostics system and the results obtained after the quantitative and qualitative analysis with the tree fault method for the three phase power rectifier.","PeriodicalId":129030,"journal":{"name":"2019 International Conference on Electromechanical and Energy Systems (SIELMEN)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127455741","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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