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A modified adaptive step-size affine projection algorithm based on QR-decomposition 基于qr分解的改进自适应步长仿射投影算法
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075870
S. Sitjongsataporn, Piyaporn Nurarak
{"title":"A modified adaptive step-size affine projection algorithm based on QR-decomposition","authors":"S. Sitjongsataporn, Piyaporn Nurarak","doi":"10.1109/IEECON.2017.8075870","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075870","url":null,"abstract":"In this paper, we present an adaptive step-size affine projection algorithm with QR-decomposition for single-carrier frequency-domain equalisation systems. The QR-decomposition mechanism is introduced how to derive the modified inverse autocorrelation matrix based on inverse square-root approach to reduce the complexity. The adaptive step-size mechanism is presented with the increasing prediction estimate error vector to improve the fast convergence. Simulation results depict that the proposed algorithm can indicate clearly the superior performance compared with the conventional affine projection algorithm.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128027926","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
The micro-grid connected single-phase photovoltaic inverter with simple MPPT controller 微网并网单相光伏逆变器，简单MPPT控制器
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075751
Supattra Sukatjasakul, S. Po-ngam
{"title":"The micro-grid connected single-phase photovoltaic inverter with simple MPPT controller","authors":"Supattra Sukatjasakul, S. Po-ngam","doi":"10.1109/IEECON.2017.8075751","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075751","url":null,"abstract":"A photovoltaic (PV) source is reliable and emission free. The benefits of the micro-grid include high reliability. Therefore, a micro-grid connected PV system is a feasible source for electricity. However, nowadays the efficiency of a PV array is remains low. In the proposed MPPT algorithm, it was very simple under changing light intensity by only regulating the photovoltaic voltage. The control method was designed to make a sinusoidal current with minimal harmonics distortions, and also the unity power factor to be supplied to the micro-grid too. The performance of the proposed micro-grid connected single-phase photovoltaic inverter with simple MPPT controller was confirmed by simulation.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128532631","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
Silicon-carbide MOSFET based synchronous DC/DC boost converter 基于碳化硅MOSFET的同步DC/DC升压转换器
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075800
Xiancheng Zheng, H. Zaman, Xiaohua Wu, Husan Ali, Shahbaz Khan
{"title":"Silicon-carbide MOSFET based synchronous DC/DC boost converter","authors":"Xiancheng Zheng, H. Zaman, Xiaohua Wu, Husan Ali, Shahbaz Khan","doi":"10.1109/IEECON.2017.8075800","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075800","url":null,"abstract":"This paper presents a high efficiency synchronous dc-dc boost converter. The Silicon-Carbide (SiC) MOSFET belongs to the family of wide-bandgap devices and has the inherit property of lower switching and conduction losses as compared to the silicon counter part. The employement of SiC MOSFETs enables the operation of converter at higher switching frequencies, significantly reducing the inductive and capaictive filter values. The switching frequency of the proposed converter is 250kHz. The peak-current mode control (PCMC) is employed for ensuring the load voltage regulation under steady state and for mitigating the effects of source and load transients. The 200W protype for 24V to 28V step up operation has been developed to validate the proposed system. The results in steady state and transient state are presented which depicts the satisfactory performance of the proposed converter.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126715301","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
Implementation of WiFi-based single phase smart meter for Internet of Things (IoT) 基于wifi的单相物联网智能电表的实现
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075793
W. Hlaing, Somchai Thepphaeng, Varunyou Nontaboot, Natthanan Tangsunantham, Tanayoot Sangsuwan, C. Pira
{"title":"Implementation of WiFi-based single phase smart meter for Internet of Things (IoT)","authors":"W. Hlaing, Somchai Thepphaeng, Varunyou Nontaboot, Natthanan Tangsunantham, Tanayoot Sangsuwan, C. Pira","doi":"10.1109/IEECON.2017.8075793","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075793","url":null,"abstract":"With the advent of Internet and computational era, not only opportunity to send and receive data between humans, but also among the devices without human control over it. This is known as Internet of Things (IoTs) concept which can be applied for solving the growing issue of power/energy management. A solution is a cheap and easy to implement and manage energy monitoring system for our daily usage of electric power. In order to overcome the human errors, manual labor and cost reducing in energy consumption with more efficiency for the power management system, in this paper, we focus mainly on IoT's energy monitoring. The proposed design is to implement a very low cost wireless sensor network and protocol for smart energy and web application capable of automatically reading the unit and sending the data automatically for the power users to view their current energy meter reading. By using this system, the users will be aware of the electricity usage in his/her home to reduce the power wastage and cost of consumption. The system consists of a digital energy meter, ESP8266 WiFi module and web applications for management system. The ESP8266 WiFi module will be embedded into the meter and implement the TCP/IP protocol for the communications between the meter and web application. The experimental results show that the proposed system works very well with efficiency, and it is feasible to implement in practical applications for very low cost-build automatic energy meter reading.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126847621","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: 70
Performance comparison of multipath TCP data transferring in bottleneck and disjoint-path wired networks connected with Wi-Fi Wi-Fi连接的瓶颈和非连接路径有线网络中多路径TCP数据传输性能比较
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075829
Khemmapath Phejrsuksai, S. Pattaramalai
{"title":"Performance comparison of multipath TCP data transferring in bottleneck and disjoint-path wired networks connected with Wi-Fi","authors":"Khemmapath Phejrsuksai, S. Pattaramalai","doi":"10.1109/IEECON.2017.8075829","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075829","url":null,"abstract":"This paper presents a performance comparison of multipath TCP (MPTCP) data transmission with different packet sizes in two wired network models, Bottleneck (BN) and Disjoint-Path (DP), connected with two Wi-Fi base stations. Using network simulator version 2 (NS-2), the effects of the wired network link parameters, wireless channel, and Wi-Fi end receiver conditions to MPTCP transferring are simulated. Then throughput at wireless receiver is used for both network models performance comparing. Simulation results show that DP network has higher throughputs than BN network when large packet size is used but the maximum throughputs are limited by links connected to Wi-Fi base stations. In addition, throughputs are decreased faster in DP model than BN model when delay time increases in wired links. Also, throughputs are decreased faster in DP than BN when wireless channel is worse and when receiver is further or moving away faster from base stations. Finally, DP and BN models has the same low throughput when there is very high delay time in wired network or when the wireless receiver is far or move away faster from base stations.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132605839","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
Optimal design of 5.5 GHz CMOS LNA using hybrid fitness based adaptive De with PSO 基于混合适应度自适应De和粒子群算法的5.5 GHz CMOS LNA优化设计
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075890
S. Mallick, J. Akhil, A. Dasgupta, R. Kar, D. Mandal, S. Ghoshal
{"title":"Optimal design of 5.5 GHz CMOS LNA using hybrid fitness based adaptive De with PSO","authors":"S. Mallick, J. Akhil, A. Dasgupta, R. Kar, D. Mandal, S. Ghoshal","doi":"10.1109/IEECON.2017.8075890","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075890","url":null,"abstract":"This paper presents a novel approach for the optimal design of a Low Noise Amplifier (LNA) with inductive source degeneration circuit using a novel hybrid optimization technique called fitness based adaptive differential evolution with particle swarm optimization (ADEPSO). The simulation results obtained for the designed LNA confirm the effectiveness of the ADEPSO based approach over PSO in terms of the solution quality, design specifications and design objectives. The optimally designed CMOS LNA circuit implemented in 0.18 μm CMOS technology yields a gain of 22.11 dB and the noise figure of 0.799 dB and the power dissipation of 6.6 mW.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130832113","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
Automated evaluation of online mapping platforms 在线地图平台的自动评估
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075809
Phagasinee Boottho, S. Goldin
{"title":"Automated evaluation of online mapping platforms","authors":"Phagasinee Boottho, S. Goldin","doi":"10.1109/IEECON.2017.8075809","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075809","url":null,"abstract":"Web mapping services have been offered by many companies. To choose an appropriate online mapping platform, it is important to be able to quantify and compare the quality of the different platforms, in different geographic areas. Most previous research comparing the quality of online maps has used a manual approach. Manual quality evaluation is labor-intensive and difficult to replicate in new geographic areas or using new online map providers. In our research, we have developed a framework and a set of automated tools for evaluating the quality of online mapping results. We use the online map provider APIs to perform repeatable queries then compare the results to reference data, which could be gathered by ground survey or based on external sources. In this paper, we explain our methodology and present example results for two test areas, a highly urbanized area and an area in a provincial town.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134628964","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
Blocking rate based call admission control for call dropping mitigation and QoS based prioritization 基于阻塞率的呼叫允许控制和基于QoS的优先级
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075852
Sahawat Namwanta, N. Ruangchaijatupon
{"title":"Blocking rate based call admission control for call dropping mitigation and QoS based prioritization","authors":"Sahawat Namwanta, N. Ruangchaijatupon","doi":"10.1109/IEECON.2017.8075852","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075852","url":null,"abstract":"Long Term Evolution (LTE) users with high mobility often experience poor communication issues, such as call dropping and call blocking effects. These issues, which are resulted from the frequent handover, can be mitigated by a call admission control (CAC) algorithm. Located inside the base station (eNB), CAC algorithm is responsible for determining whether to accept or to reject incoming calls. In this paper, a CAC algorithm is proposed to reduce call dropping rate for LTE users who need to handover their calls frequently. The proposed algorithm can also be designed to make the overall system more efficient by accepting more calls with higher priority, specifically, calls with higher quality of service (QoS) requirement and calls with good channel quality.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133361643","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
Improving the quality of the speech signal using a FIR band pass filter with Fast Fourier transform 利用快速傅立叶变换的FIR带通滤波器改善语音信号的质量
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075880
Aekkarat Suksukont, J. Srinonchat
{"title":"Improving the quality of the speech signal using a FIR band pass filter with Fast Fourier transform","authors":"Aekkarat Suksukont, J. Srinonchat","doi":"10.1109/IEECON.2017.8075880","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075880","url":null,"abstract":"Noise and echo is a key factor for the quality of speech signal that the listener will be less effective. This article proposes an improving the quality of speech signal using FIR band pass filter with Fast Fourier Transform (FFT) to filter the noise and echo signal. Each speech signal from 54 positions in a room is used to be the input signal in this experiment. These speech signal are then pass through the FIR band pass filter N = 80 and also uses the FFT to analysis the frequency speech. The experiment results show that the FIR band pass filter N = 80 can reduce the noise and echo speech signal in the range of 500 Hz–2.5 kHz when comparing in the frequency domain with FFT. It provides the approximately 80% improving of the quality speech signal.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127961938","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
Comparison of PV module power output measurements 光伏组件功率输出测量值对比
2017 International Electrical Engineering Congress (iEECON) Pub Date : 2017-03-01 DOI: 10.1109/IEECON.2017.8075787
Aekkawat Bupi, Songkiate Kittisontirak, K. Sriprapha, Chabar Suriyaammaranon, W. Titiroongruang, S. Niemcharoen
{"title":"Comparison of PV module power output measurements","authors":"Aekkawat Bupi, Songkiate Kittisontirak, K. Sriprapha, Chabar Suriyaammaranon, W. Titiroongruang, S. Niemcharoen","doi":"10.1109/IEECON.2017.8075787","DOIUrl":"https://doi.org/10.1109/IEECON.2017.8075787","url":null,"abstract":"This paper describes the objective of the model to produce electricity from solar program. MATLAB / SIMULINK Compared with actual production data from electricity plants. This information is taken from the program PVSYST (crawlers electricity from real factories). The models created from an analysis of the equivalent circuit model of a diode, solar cell, with 5 parameters are the main factors used in the calculations were called 1 D5 P. The comparison takes into account the impact on solar irradiance and module temperature. The result of the comparison. The model has high accuracy and is close to the actual data to generate electricity.","PeriodicalId":196081,"journal":{"name":"2017 International Electrical Engineering Congress (iEECON)","volume":"165 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121411276","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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