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2019 11th International Conference on Electrical and Electronics Engineering (ELECO)最新文献

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Privacy Concerns on Mobile Applications for Google Play Store Market 关于Google Play商店市场手机应用的隐私问题
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/eleco47770.2019.8990578
Ala Rabea, Meltem Mutlutürk, B. Metin
{"title":"Privacy Concerns on Mobile Applications for Google Play Store Market","authors":"Ala Rabea, Meltem Mutlutürk, B. Metin","doi":"10.23919/eleco47770.2019.8990578","DOIUrl":"https://doi.org/10.23919/eleco47770.2019.8990578","url":null,"abstract":"Since the introduction of smartphones and mobile applications, privacy concerns have been rapidly rising. Today, over one billion people use smartphones. Millions of different apps are being used and installed on daily basis. Whether it’s Android, IOS, Windows, or any other mobile operating system, an app might need to request extra permissions to access more data on the user’s phone. In this study, Android apps from Google Play Store are examined. Python scraping code was used to collect details about over 5,000 apps including different parameters such as permissions requested, number of installs, reviews, and several other details. The data was then analyzed using SPSS. The analyses made included descriptives and correlation. The data analysis was fruitful and different hypothesis were supported at high significance. The results showed that number of permissions requested by an app is correlated with several other variables such as number of reviews, number of installs, and review score. Limitations are mentioned in the conclusion.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"9 1","pages":"968-972"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82049165","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
Design of a New Single-Phase Multilevel Voltage Source Inverter Based on Series Connection of Basic Units 基于基本单元串联的新型单相多电平电压源逆变器的设计
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990448
R. Choupan, Mahyar Hassanifar, S. Golshannavaz, Y. Neyshabouri, D. Nazarpour
{"title":"Design of a New Single-Phase Multilevel Voltage Source Inverter Based on Series Connection of Basic Units","authors":"R. Choupan, Mahyar Hassanifar, S. Golshannavaz, Y. Neyshabouri, D. Nazarpour","doi":"10.23919/ELECO47770.2019.8990448","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990448","url":null,"abstract":"A novel multilevel inverter (MLI) structure is introduced in this paper. Since one of the crucial factors in designing and usability of an MLIs is the ratio of the total number of semiconductor devices to the output voltage levels, this ratio is reduced in the proposed structure in comparison to the conventional MLIs. The less utilized devices mean, the lower the cost of implementation, size of the system, required installation area, control complexity, and also higher reliability. The proposed structure is modular and can operate in two modes (symmetric and asymmetric), which are discussed in this paper. To express the worthiness of the presented structure, a comparison with the conventional cascade H-bridge MLI is presented. Also, the nearest level control (NLC) switching technique is applied to generate the output voltage waveform. The computer-aided simulation is made to prove the feasibility and performance of the suggested structure. The analytical results are carried out by the Simulink of MATLAB.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"421 1","pages":"255-259"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78168214","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
Performance Analysis of NOMA in Drone Communication 无人机通信中的NOMA性能分析
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990531
A. Ayranci, Emre Bacanlı, H. Ilhan
{"title":"Performance Analysis of NOMA in Drone Communication","authors":"A. Ayranci, Emre Bacanlı, H. Ilhan","doi":"10.23919/ELECO47770.2019.8990531","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990531","url":null,"abstract":"As wireless communication technology has been advanced and the number of devices that requires wireless connection has been increased, it creates a massive demand for ubiquitous coverage, high data rate, and greater capacity. Drone communication with Non-Orthogonal Multiple Access (NOMA) can be a solution for these demands entirely. Drones can be used as aerial base stations with their high mobility, and better coverage provides communication whenever and wherever it’s required. Also, NOMA has several advantages over conventional Orthogonal Multiple Access (OMA) techniques. These advantages are spectral efficiency, low latency, and better sum rate. These advantages make the NOMA perfect solution for today’s communication demands in 5G and beyond. In this paper, the performance of NOMA in drone communication is investigated. Individually, the capacity and fairness index’s changes in the considered system with different power allocation (PA) schemes have been examined.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"3 1","pages":"1070-1074"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79169176","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
Fabrication of ß-GaiO3/Si Solar-Blind UV Photodiode via Sol-Gel Method 溶胶-凝胶法制备ß-GaiO3/Si日盲紫外光电二极管
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990517
Nur Efşan Köksal, A. Atilgan, Ugur Harmanci, A. Yildiz
{"title":"Fabrication of ß-GaiO3/Si Solar-Blind UV Photodiode via Sol-Gel Method","authors":"Nur Efşan Köksal, A. Atilgan, Ugur Harmanci, A. Yildiz","doi":"10.23919/ELECO47770.2019.8990517","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990517","url":null,"abstract":"In this paper, a new SnO<inf>2</inf>/Ga<inf>2</inf>O<inf>3</inf>/Si heterostructure has been designed and fabricated via sol-gel spin coating method. The electrical property of SnO<inf>2</inf>/Ga<inf>2</inf>O<inf>3</inf>/Si heterostructure is investigated in the dark and under UV illumination with a wavelength of 254 nm by means of the current-voltage (I-V) measurements. It is clearly seen that the photodiode is sensitive to UV light and it also has to rectify behavior. The fabricated solar-blind UV photodiode is a promising candidate to detect UV light. The temporal response to UV light obviously shows that the good reproducibility of the photodiode.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"27 1","pages":"406-408"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75444495","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 LiDAR and UWB based Source Localization and Initialization Algorithms for Autonomous Robotic Systems 基于激光雷达和超宽带的自主机器人系统源定位和初始化算法
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/eleco47770.2019.8990648
Bekir Bostanci, S. Tekkok, Emre Soyunmez, Pinar Oguz-Ekim, F. Yeganli
{"title":"The LiDAR and UWB based Source Localization and Initialization Algorithms for Autonomous Robotic Systems","authors":"Bekir Bostanci, S. Tekkok, Emre Soyunmez, Pinar Oguz-Ekim, F. Yeganli","doi":"10.23919/eleco47770.2019.8990648","DOIUrl":"https://doi.org/10.23919/eleco47770.2019.8990648","url":null,"abstract":"This paper covers the source localization algorithm based on the least squares techniques and the squared range measurements obtained from ultra-wide band (UWB) sensors to locate the robot in an indoor environment. Additionally, the initialization algorithm which is based on light detection and Ranging (LiDAR) scans is proposed. It takes the advantage of the estimated location to find the initial orientation of the robot with respect to the previously obtained map. Thus, the crucial problem of the autonomous initialization and localization in robotics is solved. To enable wide-spread adoption, we provide an open source implementation of our algorithms and the modules for the robot operating system (ROS) for real environment. Furthermore, an open source simulation environment is created for applications which employ UWB/LiDAR data.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"12 1","pages":"900-904"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75544113","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
Multi Input DC-DC Converters for Rooftop PV Power Systems 用于屋顶光伏发电系统的多输入DC-DC转换器
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990389
Gökhan Bayraktar, Ahmet Çabri, D. Yıldırım
{"title":"Multi Input DC-DC Converters for Rooftop PV Power Systems","authors":"Gökhan Bayraktar, Ahmet Çabri, D. Yıldırım","doi":"10.23919/ELECO47770.2019.8990389","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990389","url":null,"abstract":"The rate of using solar power as electrical energy source is increasing dramatically nowadays and with the development of semiconductor technologies it is expected that a significant proportion of electrical energy production will depend on this field of study. Therefore, there are many researches in order to have efficient usage of solar power.In this paper, a power electronics system that is employed for transforming the electrical energy of PV panel to a suitable form, is presented. The system consists of four separate PV panel and for each panel four DC-DC push-pull converters whose outputs are parallel connected at the end. On the other hand, control of the system includes incremental conductance methods for maximum power point tracking (MPPT) and interleaving technique where the control of whole system is achieved with a single DSP.In order to predict system operation, detailed simulation has been created in MATLAB/Simulink environment. According to result, at least 94% efficiency across the push-pull converters and 99% of MPPT efficiency are achieved. Additionally, it is observed that sustainability and efficiency are increased by paralleling four separate PV system and using interleaving technique which results in reduction of output filter size.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"31 1","pages":"230-234"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73773059","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
A Cost-Effective Low-Voltage Moulded-Case Circuit Breaker Test Jig 一种低成本的低压模壳断路器试验夹具
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990527
Johan Venter, D. van Niekerk
{"title":"A Cost-Effective Low-Voltage Moulded-Case Circuit Breaker Test Jig","authors":"Johan Venter, D. van Niekerk","doi":"10.23919/ELECO47770.2019.8990527","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990527","url":null,"abstract":"A practical method to test post-manufactured mechanical thermal and thermal-magnetic low voltage Moulded Case Circuit Breakers (MCCBs) is presented in this paper. Many standards pertaining to the ratings of low voltage MCCBs exist, but little literature exists on how to verify its specified rating post-manufacturing. In this work, a variable voltage over fixed cable and MCCB switch contact resistance test method is used to verify ratings. This method uses two variable transformers driven by two separate stepper motors controlled by a microcontroller with a final step-down toroid transformer. To measure the circuit breaker, trip current level an accurate Hall-Effect current sensor was used and the trip time is determined by a microcontroller-based peripheral timer. Testing was conducted on four different types of circuit breakers, namely: C6, D10, C16, and C20 in order to verify the test jig functionality with good results.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"46 1","pages":"121-125"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74170742","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
Hardware Acceleration of FreeRTOS Network Stack for IoT Edge Devices 物联网边缘设备的FreeRTOS网络堆栈硬件加速
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990374
Burak Batmaz, A. Doğan
{"title":"Hardware Acceleration of FreeRTOS Network Stack for IoT Edge Devices","authors":"Burak Batmaz, A. Doğan","doi":"10.23919/ELECO47770.2019.8990374","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990374","url":null,"abstract":"Number of network-connected small devices is becoming significant and they implement a communication protocol stack for this connectivity. These devices are usually expected to operate a couple of years without any intervention and this makes power consumption a critical issue for them. Power consumption of these devices can be reduced by improving the system performance through accelerating specific functions by hardware. System on Chip (SoC) FPGAs are widely used for hardware acceleration on Internet of Things (IoT) environment. A network stack accelerator is proposed in this study and implemented on a Microsemi SoC FPGA. Experimental results show that in best case 80% of the time consumed for encapsulation can be saved.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"20 1","pages":"484-487"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74207387","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
Vector Control of PMSM in Circulation Pump Application and an Adaptive Approach for EEI Optimization 永磁同步电机在循环泵中的矢量控制及自适应优化方法
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990438
Mutullah Eşer, C. Kasnakoğlu, Behiza Bilgen Benli
{"title":"Vector Control of PMSM in Circulation Pump Application and an Adaptive Approach for EEI Optimization","authors":"Mutullah Eşer, C. Kasnakoğlu, Behiza Bilgen Benli","doi":"10.23919/ELECO47770.2019.8990438","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990438","url":null,"abstract":"In this study, the vector control application of a circulation pump with a wet rotor permanent magnet synchronous motor (PMSM) and the control algorithm developed to reduce the energy efficiency index (EEI) of the pump group is presented. In order to meet the needs of the market, vector control was used in the control of the motor. In addition, system parameters such as flow and head can be estimated by means of axis currents. Proposed control method in this study was named as semi-analytical because at the beginning of the analysis experimental data were required. The basis of the control algorithm is based on the creation of a speed lookup table with different flow rate references for the PMSM to optimize the EEI value. Proposed optimization method was analyzed in the Mathcad and compared with the test results. The suggested control method was applied on a wet rotor circulation pump with an EEI of 0.23 and EEI was reduced to 0.20. With this vector control based optimization method developed, a feasible solution is presented to manufacturers who cannot meet EEI standard despite using high efficiency PMSM and impeller.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"41 1","pages":"749-753"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74586316","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
Energy Quality Analysis of Grid-Connected Solar Inverter Topologies 并网太阳能逆变器拓扑结构的电能质量分析
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990392
Şüheda Özli, H. Çiftçi, Onur Ayan, B. Türkay
{"title":"Energy Quality Analysis of Grid-Connected Solar Inverter Topologies","authors":"Şüheda Özli, H. Çiftçi, Onur Ayan, B. Türkay","doi":"10.23919/ELECO47770.2019.8990392","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990392","url":null,"abstract":"Due to the increasing energy demand all over the world and the damage caused to the environment by many of the installed electric power plants, the importance of renewable energy sources is increasing. Solar power plants have an important place among these renewable energy sources. In this direction, grid-connected solar power plants and the effects of these power plants on the network are increasing day by day. Photovoltaic cells produce direct voltage which has to be convert to alternating voltage in order to connect to grid. Therefore, design of inverters is important parameter for the energy quality of solar power plants. In this paper, two-level and multi-level inverter topologies, which provide required standards, have been designed on MATLAB / Simulink program. Moreover, energy quality of solar inverters have been examined, when FFT and THB analysis performed.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"51 1","pages":"997-1001"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76508250","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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