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2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)最新文献

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Sliding coefficients estimation for fixed frequency sliding mode control of boost converter 升压变换器定频滑模控制的滑动系数估计
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133890
M. Teodorescu, D. Stanciu
{"title":"Sliding coefficients estimation for fixed frequency sliding mode control of boost converter","authors":"M. Teodorescu, D. Stanciu","doi":"10.1109/ATEE.2015.7133890","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133890","url":null,"abstract":"The paper presents and analyses a control system for the Boost converter in which sliding mode control and classical PWM are combined into a fixed frequency sliding mode control system that emphasizes the advantages of both control methods. This leads to good responses of the power converter in dynamic and in steady-state regime, but a proper estimation of the control parameters is needed. Thus the fixed frequency sliding mode control is analyzed, the control function, the existence conditions and the stability conditions are calculated. Based on this calculations the conditions for the sliding mode coefficients are determined and interpreted for design purposes. Finally a algorithm for the estimation of sliding mode coefficients is proposed and the stated considerations are verified through simulation.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128627305","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
Design and finite element analysis of high-density torque induction motor for traction applications 牵引用高密度转矩感应电动机的设计与有限元分析
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133766
L. Livadaru, A. Munteanu, A. Simion, Codrin-Gruie Cantemir
{"title":"Design and finite element analysis of high-density torque induction motor for traction applications","authors":"L. Livadaru, A. Munteanu, A. Simion, Codrin-Gruie Cantemir","doi":"10.1109/ATEE.2015.7133766","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133766","url":null,"abstract":"The paper presents the design and FEM simulation of a novel induction motor intended as a specialized drive for electric traction and/or airborne propulsion applications. Several particular requirements related to the size, weight and dynamics did rise non-conventional challenges and therefore a less-than classical approach have been considered. The proposed solution consists in a combination of an external rotor mated with an internal stator with ring coils. Furthermore, the coils arrangement may be reconfigured on-the-fly, allowing operation with two distinct synchronous speeds (different number of poles), solution which largely fulfills all the requirements.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129106304","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: 11
Measurement data analysis of power quality for industrial loads 工业负载电能质量测量数据分析
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133928
G. Oprea, H. Andrei
{"title":"Measurement data analysis of power quality for industrial loads","authors":"G. Oprea, H. Andrei","doi":"10.1109/ATEE.2015.7133928","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133928","url":null,"abstract":"This paper raises awareness about the energy consumption in a industrial site, how we can improve its efficiency and power quality of our factories whilst reducing our environmental footprint. The analysis the non-sinusoidal regime for a real industrial consumer in order to identify the equipments that pollute and affect the power quality is carried out by using a complex on-line data acquisitions system. Each type of technological process of the factory is modeled by curve fitting procedure of Matlab. Finally are proposed actions to increase the power quality.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129128702","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
Determination of the power generated by a wind turbine in constant wind and variable wind 确定风力发电机在恒风和变风条件下的发电功率
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133919
B. Ioan, Balan Horia, Oros Pop Teodora Susana
{"title":"Determination of the power generated by a wind turbine in constant wind and variable wind","authors":"B. Ioan, Balan Horia, Oros Pop Teodora Susana","doi":"10.1109/ATEE.2015.7133919","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133919","url":null,"abstract":"Given the growing number of wind turbines that are installed in both Romania and global knowledge is of particular importance behavior of a wind turbine power before it is mounted. It is also very important to know the average wind speed in the location of the wind farm. With average wind speed, wind turbine power and energy prices we can appreciate while recovering investment in wind turbine.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114274915","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
Contributions regarding operation of induction machine supplied with two frequencies 关于双频率感应电机运行的贡献
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133761
A. Câmpeanu, R. Munteanu, A. Graur, G. Liuba
{"title":"Contributions regarding operation of induction machine supplied with two frequencies","authors":"A. Câmpeanu, R. Munteanu, A. Graur, G. Liuba","doi":"10.1109/ATEE.2015.7133761","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133761","url":null,"abstract":"Supply of an induction machine with two frequencies in stator is a method of thermic verification (Ytterberg) for factories. For establishing the most suitable values for voltages and frequencies of two sources, a detailed analysis of the corresponding electric and magnetic stresses of induction machine is necessary. The simulations provide detailed coherent information, difficult or impossible to be obtained experimentally.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114860131","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
UAV-WSN communication algorithm with increased energy autonomy 增强能量自主性的无人机-无线传感器网络通信算法
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133937
M. Nicolae, D. Popescu, R. Dobrescu
{"title":"UAV-WSN communication algorithm with increased energy autonomy","authors":"M. Nicolae, D. Popescu, R. Dobrescu","doi":"10.1109/ATEE.2015.7133937","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133937","url":null,"abstract":"Nowadays an extensive attention is given to UAVs and their applications. One applications category can be underserved by hybrid systems composed from UAV and ground WSN. UAV can gather data from ground WSN which, at its turn could be initially deployed by the UAV itself. Ground nodes are limited in battery life, therefore, an efficient communication algorithm will improve their energy autonomy. This paper presents an algorithm with this purpose which makes use of directional antenna for ground nodes together with a novel communication synchronization mechanism. The paper also presents the necessary assumptions related to directional antennas.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126649887","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
Practice of peer-review and the innovative engineering school 同行评议实践与创新工程学院
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133683
D. Isoc, Teodora Isoc
{"title":"Practice of peer-review and the innovative engineering school","authors":"D. Isoc, Teodora Isoc","doi":"10.1109/ATEE.2015.7133683","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133683","url":null,"abstract":"This paper approaches the need to transform the traditional engineering school into a functional, closer to the actual professional requirements, engineering school. We shall define a basic training scheme, based upon developing ones peerreview compilation and use ability. Next, we shall extrapolate to a secondary training network, part of the innovative engineering school. The structure working shall define by introducing a procedure we shall comment in depth. A case study, along with the experiment results indicate to an increased training quality for the organized professional group, an increased student responsibility and a decrease of the professors conventional involvement, as their role shifts towards mediating and training.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124898510","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
Electrostatic separation of polymeric granular mixtures from medium and low voltage cables 中、低压电缆中聚合物颗粒混合物的静电分离
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133854
L. Dumitran, P. Notingher, L. Dascalescu
{"title":"Electrostatic separation of polymeric granular mixtures from medium and low voltage cables","authors":"L. Dumitran, P. Notingher, L. Dascalescu","doi":"10.1109/ATEE.2015.7133854","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133854","url":null,"abstract":"Recycling of electrical and electronic equipments is one of the most important topics that have a great significance for environmental protection. Currently, the most part of electrical cables used for power delivery contains huge amounts of conductors and polymeric materials. Therefore, every year thousands of kilometers of cables are disaffected and the polymeric insulation and metals are recovered for other applications. Generally, the electrical insulation and polymeric sheath of the most part of medium and low voltage cables are made of polyvinyl chloride (PCV) and polyethylene (PE). In view to recycling the mixtures that result from cables chopping, an effective method widely used is the electrostatic separation. The present paper is focused on the electrostatic separation of granular mixtures containing two different PCV sorts that are used for insulation and sheaths of cables. A laboratory-scaled roll-type electrostatic separator is used in order to process a specially prepared granular mixture that consists of particles of sheath and insulations PCV. The results show that the particles of PCV used for conductors' insulation can be sorted from those resulting from PCV sheath chopping. Also, it is observed that, the separation efficiency can be increased by adjusting the applied voltage and the rotation speed of the roll electrode.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124987414","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
PLC controlled elevator drive system PLC控制电梯驱动系统
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133775
Pierre Bernard, I. Deaconu, S. Popescu, C. Ghita, A. Deaconu, A. Chirilă
{"title":"PLC controlled elevator drive system","authors":"Pierre Bernard, I. Deaconu, S. Popescu, C. Ghita, A. Deaconu, A. Chirilă","doi":"10.1109/ATEE.2015.7133775","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133775","url":null,"abstract":"This paper presents a control method for an advanced electrical drive system for transportation, namely an elevator. For cost efficiency the control is performed with the simplest appropriate PLC. Thus, the software code was wisely developed to be fast and small size. Starting from an educational platform, which models a two floor elevator using a DC electrical drive, different sensors types and a PLC, the development of the actual driving sequences and PLC program, written using ladder diagram language, is detailed. In order to account for various normal operation and malfunctioning scenarios, some testing techniques are presented as well as their implemented into the PLC's program. Thereby, the paper has also an instructive aspect for engineers working in the automation field.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122230648","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
Wind system with storage in electrical accumulators 储存在蓄电池中的风系统
2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI: 10.1109/ATEE.2015.7133911
S. Musuroi, C. Șorândaru, G. Erdodi, D. Petrescu
{"title":"Wind system with storage in electrical accumulators","authors":"S. Musuroi, C. Șorândaru, G. Erdodi, D. Petrescu","doi":"10.1109/ATEE.2015.7133911","DOIUrl":"https://doi.org/10.1109/ATEE.2015.7133911","url":null,"abstract":"The aim of this paper is to obtain the energy stored in the electric accumulators (EA), for a wind system operating at a time-variable wind speed. Mechanical energy captured by the wind turbine (VT) is converted into electric energy by permanent magnet synchronous generator, PMSG. The synchronous generator provides energy into an electric accumulator, by using a rectifier, in two ways: uncontrolled rectifier and controlled rectifier and adjusted load. The simulations performed in this paper can highlight the differences between the two situations.","PeriodicalId":103513,"journal":{"name":"2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131867830","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
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