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2013 8th International Conference on Electrical and Electronics Engineering (ELECO)最新文献

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Input and output matched SiGe RF mixer with high dynamic range 输入输出匹配SiGe射频混频器，高动态范围
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-14 DOI: 10.1109/MMS.2013.6663108
Zehra Gulru Cam, O. Palamutçuogullari
{"title":"Input and output matched SiGe RF mixer with high dynamic range","authors":"Zehra Gulru Cam, O. Palamutçuogullari","doi":"10.1109/MMS.2013.6663108","DOIUrl":"https://doi.org/10.1109/MMS.2013.6663108","url":null,"abstract":"An active mixer operating at 2.15 GHz which is based on the Gilbert Mixer topology is designed by using the transistors which are realized by using 0.25um SiGe technology. The symetrical driving circuit at the input is realized by using the CB(common base) and CE(common emitter) transistors which operate interactively. The passive capacitive voltage-series feed-forward circuit is applied to CB circuit and an almost perfect broadband matching is obtained at the input. Mixer is simulated with AWR software environment. 5V DC supply voltage is used, OIP3 of 24.7 dBm and the Conversion Gain of 3 dB is obtained for the -2.5 dBm of LO power. The noise figure of the circuit is simulated as 11.75 dB.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114685168","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
Decomposition of the time delay systems with one delay: The simultaneous similarity of two matrices 单延迟时滞系统的分解:两个矩阵的同时相似度
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713890
Afshin Mesbahi, M. Haeri
{"title":"Decomposition of the time delay systems with one delay: The simultaneous similarity of two matrices","authors":"Afshin Mesbahi, M. Haeri","doi":"10.1109/ELECO.2013.6713890","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713890","url":null,"abstract":"The time delay equations are frequently used to model real systems since they can describe the after-effect phenomenon. It is usually difficult to analyze the properties of time delay systems. Thus it would be beneficial to make the systems as simple as possible. For this purpose, the decomposition of the systems into some separate or cascaded sub-systems with smaller dimension is introduced as the solution of the mentioned complex task. The decomposition of the time delay systems with one delay is directly related to simultaneous similarity of two matrices. In this regard, necessary and sufficient conditions are derived for the existence of a common similar block diagonal or triangular form for two matrices. Finally, the applications of the obtained results for time delay systems are illustrated via two examples.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125501940","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
Simulation of a novel approach of accurate solar Photovoltaic array 一种新型精确太阳能光伏阵列的仿真方法
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713908
O. C. Ozerdem, H. H. Abbas
{"title":"Simulation of a novel approach of accurate solar Photovoltaic array","authors":"O. C. Ozerdem, H. H. Abbas","doi":"10.1109/ELECO.2013.6713908","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713908","url":null,"abstract":"There is a need for an accurate method for modeling the Photovoltaic (PV) cell, because the modeling of PV cell is based on manufacturer datasheet. The manufacturer datasheet is recorded under standard test condition (STC) and under laboratory conditions, especially the PV cell temperature, where the temperature used in modeling is ambient temperature, but in the real operation of a PV cell, there are huge differences between ambient temperature and PV cell temperature. Therefore, in this paper a novel approach is used for modeling a PV array by the use of back of panel temperature and real life recorded data (outdoor data). The developed model gives a real life operation condition according to the simulation results, which is compared with validation data (real life data).","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122392646","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
Investigation of the effect of pole shape on braking torque for a low power eddy current brake by finite elements method 用有限元法研究了小功率涡流制动器极形对制动力矩的影响
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713844
M. O. Gulbahce, D. Kocabas, Fatmanur Nayman
{"title":"Investigation of the effect of pole shape on braking torque for a low power eddy current brake by finite elements method","authors":"M. O. Gulbahce, D. Kocabas, Fatmanur Nayman","doi":"10.1109/ELECO.2013.6713844","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713844","url":null,"abstract":"The principle of electromagnetic braking involves the conversion of kinetic energy into thermal energy. When a non-magnetic or magnetic conductive material rotates into static magnetic field, eddy currents are induced in material. Paths of induced eddy currents depend on the geometrical configuration of moving conductive material and also its electromagnetic properties. However, due to electrical resistance of the conductive material, the eddy currents are disrupted into heat and braking torque occurs. In practice, eddy current brakes are frequently used for motor testing because of the easiness of braking torque control. It is also used as supplementary retardation equipment in addition regular friction brakes on heavy vehicles. Mathematical analysis of the effects of eddy currents is almost impossible due to the complexity of electromagnetic problem. There is no obtained certain relationship which can explain output data in terms of input data since relation includes too many variables including conductive disk areas, conductive disk thickness, conductive disk radius, speed etc. In this study, braking effects of two different eddy current brakes having different pole shapes are compared. Round and rectangular pole shape which have the same pole area are analysed where all numerical design constraints were kept unchanged to compare braking torque vs speed characteristics and total power dissipation on rotating disk. All mentioned designs are analysed by commercial software using finite element method (FEM).","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122602961","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
A novel periodic macrobending hetero-core fiber optic sensor embedded in textiles 一种新型嵌入织物的周期性大弯曲异芯光纤传感器
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713886
Kubra Alemdar, Sumeyra Likoglu, K. Fidanboylu, O. Toker
{"title":"A novel periodic macrobending hetero-core fiber optic sensor embedded in textiles","authors":"Kubra Alemdar, Sumeyra Likoglu, K. Fidanboylu, O. Toker","doi":"10.1109/ELECO.2013.6713886","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713886","url":null,"abstract":"This paper presents the design of a novel periodic macrobending hetero-core fiber optic sensor embedded in textiles. In order to demonstrate the superiority of the proposed sensor, experiments were done on a macrobending sensor constructed from 62.5-50-62.5 hetero-core fiber and a macrobending sensor constructed from 62.5/125 μm multi-mode fiber having different loops. Experimental results show that the sensitivity of the proposed macrobending sensor constructed using hetero-core optical fiber is much higher than the sensor constructed from plain multi-mode optical fiber. It is also shown that, the sensitivity of the sensor increases as the number of loops is increased. In addition, the forward and reverse loading effects of the designed sensor exhibit a very close behavior indicating the reversibility of the fiber optic sensor.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"345 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122163280","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
Particle swarm optimization for pattern synthesis of superconducting antenna array 超导天线阵方向图合成的粒子群优化
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713878
O. Barkat
{"title":"Particle swarm optimization for pattern synthesis of superconducting antenna array","authors":"O. Barkat","doi":"10.1109/ELECO.2013.6713878","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713878","url":null,"abstract":"In this work, particle swarm optimization (PSO) is used to optimize the radiation pattern of non-uniform linear arrays of High superconducting tunable triangular microstrip antennas. Using super-conductors can reduce the insertion loss, and obtain a rather high gain. The full-wave method is used to study the scattering properties of superconducting tunable triangular antennas. Galerkin method is used in the resolution of the electric field integral equation. The far zone radiation fields are derived using Huygens principle and pattern multiplication approach. Also we have presented an optimization technique based on PSO algorithm, which is successfully used to determine the element excitations and/or positions of non-uniform linear antenna arrays, for simultaneous reduction of the side lobe level.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130367417","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
Optical fiber distributed sensing of temperature, thermal strain and thermo-mechanical force formations on OPGW cables under wind effects 风作用下OPGW电缆温度、热应变和热机械力形成的光纤分布式传感
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713885
Abdurrahman Gunday, S. E. Karlik
{"title":"Optical fiber distributed sensing of temperature, thermal strain and thermo-mechanical force formations on OPGW cables under wind effects","authors":"Abdurrahman Gunday, S. E. Karlik","doi":"10.1109/ELECO.2013.6713885","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713885","url":null,"abstract":"Optical ground wire (OPGW) is generally used to protect the phase conductors of the overhead power cables from high discharge currents due to lightning strikes and instantaneous current increase due to short-circuits or breakdowns as well as to provide data transmission for telecommunication purposes. OPGW cables are exposed to effects of environmental factors such as wind, rain, humidity and snow as well as cooling/heating effects of short-circuits and instantaneous current increases occurring on the phase conductor. When the OPGW cable is exposed to those effects, deformations occur on the cable insulation in time. In this study, using Raman effect based optical fiber distributed temperature sensing (DTS) method, temperature and thermal strain variations occurring along the OPGW cable due to environmental conditions, in particular wind speed and wind direction, have been analyzed and simulations have been performed. Furthermore, thermo-mechanical forces occurring on the OPGW cable have been expressed as a function of temperature change and Young modulus variations. Temperature and thermal strain dependencies of thermo-mechanical forces have also been derived. Using results of the theoretical analysis, simulations of thermo-mechanical force variations along the sensing fiber have also been performed considering the wind effect. The simulation model has been built up for central loose tube type OPGW cable containing single mode optical fiber operating at 1550 nm. For wind speed variations between 5.3 m/s and 10.3 m/s, minimum temperature detected on the cable varies between 26.86 °C and 22.41 °C, respectively, minimum thermal strain varies between 184 με and 64.67 με, respectively. Simulation results show that temperature sensitivities of thermo-mechanical forces are 26 times greater than thermal strain sensitivities.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130610297","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
The VDDDA in multifunction filterwith mutually independent Q and ω0 control feature 多功能滤波器中的VDDDA具有相互独立的Q和ω0控制特性
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713935
J. Koton, N. Herencsar, K. Vrba, B. Metin
{"title":"The VDDDA in multifunction filterwith mutually independent Q and ω0 control feature","authors":"J. Koton, N. Herencsar, K. Vrba, B. Metin","doi":"10.1109/ELECO.2013.6713935","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713935","url":null,"abstract":"The paper focuses on the application possibilities of the newly presented voltage differencing active building block called voltage differencing differential difference amplifier - VDDDA. Using this active element, a multifunction frequency filter is designed featuring the possibility of mutually independent control of quality factor Q and characteristic frequency ω0 by means of active elements. The structure of the filter is based on the idea of the Akerberg-Mossberg (AM) filter, i.e. the integrators in the structure are always realized only by two active elements. This fact results in better phase compensation for the filter. Compared to the AM opamp based filter, the newly proposed structure features high-impedance inputs, low-impedance output, and all basic frequency responses. The performance of the proposed structure has been verified by SPICE simulations using the TSMC 0.18 μm level-7 SCN018 CMOS process parameters with ±0.9 V supply voltage.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132843795","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: 9
A comparison between perfectly and imperfectly competitive downstream electricity markets under the effect of upstream fuel market price 上游燃料市场价格影响下的完全竞争与不完全竞争下游电力市场比较
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713821
Osman Bayindir, Yong-heng Lu, John N. Jiang
{"title":"A comparison between perfectly and imperfectly competitive downstream electricity markets under the effect of upstream fuel market price","authors":"Osman Bayindir, Yong-heng Lu, John N. Jiang","doi":"10.1109/ELECO.2013.6713821","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713821","url":null,"abstract":"Upstream fuel markets can affect the production strategies of power producers, and further the market equilibrium, as well as the social welfare. In this paper, we present a study on the impacts of fuel price on electricity market in perfect and imperfect competitive environments. The differences between the power producers' strategies, and benefit transference among different market participants under the effect of fuel price are investigated and compared. It is found that fuel-dependent power producers' production responses with respect to the fuel price are similar in these two competition markets, but the incentives are very different. Moreover, the production strategies of non-fuel-dependent power producers have different effects on the fuel producer's profit. In addition, we show that the essence of the upstream fuel market's impact on the social welfare in the downstream electricity market is benefit transference among the producers, as well as between the producers and consumers.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130807400","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
On the realization of memristor based RC high pass filter 基于忆阻器的RC高通滤波器的实现
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713933
Hasan Sozen, U. Çam
{"title":"On the realization of memristor based RC high pass filter","authors":"Hasan Sozen, U. Çam","doi":"10.1109/ELECO.2013.6713933","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713933","url":null,"abstract":"In 1971, Prof. Leon Chua proposed and described memristor which defines the relationship between flux and charge. Stanley Williams and his group realized a practical device that fulfills the memristor properties. In this paper, a memristor based high pass filter is presented. A comparative analysis between resistor and memristor based high pass filters is performed. The cut off frequency dependency of the high pass filter with memristor configuration is investigated. SPICE simulation results which are obtained using a memristor SPICE model with nonlinear dopant drift are included to verify theoretical analyses. The effect of change in the input frequency and initial condition of the length of doped region on the cut off frequency of the given high pass filter is investigated. The memory effect of memristor is represented by simulation results.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115517529","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: 12
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