2017 International Conference on Electrical, Computer and Communication Engineering (ECCE)最新文献

A new approach of noise elimination methodology for ECG signal 一种新的心电信号去噪方法

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-04-26 DOI: 10.1109/ECACE.2017.7913035

J. R. Mou, Sheikh Md. Rabiul Islam, Xu Huang, K. Ou

引用次数: 3

A high capacity synchronous buck converter for highly efficient and lightweight charger of electric easy bikes 一种高容量同步降压变换器，用于高效轻便的电动自行车充电器

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7912936

Mohammad Rejwan Uddin, Zaima Tasneem, Saila Ishrat Annie, K. M. Salim

{"title":"A high capacity synchronous buck converter for highly efficient and lightweight charger of electric easy bikes","authors":"Mohammad Rejwan Uddin, Zaima Tasneem, Saila Ishrat Annie, K. M. Salim","doi":"10.1109/ECACE.2017.7912936","DOIUrl":"https://doi.org/10.1109/ECACE.2017.7912936","url":null,"abstract":"For simple structure and lower maintenance cost, electric vehicles are popular in this sub-continent. As passenger vehicles, easy bikes are being widely used in Bangladesh. Mainly, iron core transformer based bulky chargers with efficiency lower than 80% are used to charge more than 10 million easy bikes. These inefficient chargers cause huge power losses to national utility grid. Moreover, manual controls of such conventional charger are bothersome to its user. Implementations of power electronics based chargers are able to operate in more than 90% efficiency which can reduce the power losses from utility grid. A high capacity synchronous buck converter based charger with built in intelligent system is proposed in this paper. An automated charging current control system is initiated. After the simulation by using PSIM software, a lightweight prototype of easy bike charger is built and its performance is evaluated for high output current. The efficiency and its maximum rated power is observed and compared with the conventional charger.","PeriodicalId":333370,"journal":{"name":"2017 International Conference on Electrical, Computer and Communication Engineering (ECCE)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116644956","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: 22

True three-phase bidirectional switch based buck AC voltage controller topology 基于真三相双向开关的降压交流电压控制器拓扑结构

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7913005

M. R. T. Hossain, M. Faisal, M. A. Choudhury

引用次数: 5

Bangla text compression based on modified Lempel-Ziv-Welch algorithm 基于改进Lempel-Ziv-Welch算法的孟加拉文文本压缩

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7913022

Linkon Barua, P. K. Dhar, Lamia Alam, I. Echizen

{"title":"Bangla text compression based on modified Lempel-Ziv-Welch algorithm","authors":"Linkon Barua, P. K. Dhar, Lamia Alam, I. Echizen","doi":"10.1109/ECACE.2017.7913022","DOIUrl":"https://doi.org/10.1109/ECACE.2017.7913022","url":null,"abstract":"Text compression algorithm performs compression at the character level. Bangla text has some unique features such as no distinct upper and lower case letter, consonant cluster (CC) and consonant with dependent vowel sign (CV) etc. The conventional Lempel-Ziv-Welch (LZW) algorithm is not suitable for compressing Bangle text. Therefore, in this paper, we propose a modified LZW (MLZW) algorithm which can compress Bangla text effectively and efficiently. In our proposed method, a dictionary with Unicode ranges from 1–90 is used for Bangla characters. The compression process is started with checking the input character. If input character is a part of CC or CV, then CC or CV is considered as a character and search it in the dictionary. If the character to be encoded is already in dictionary, encode it with the dictionary index. Otherwise, the character is added to the dictionary and is encoded with its corresponding dictionary index. Simulation results indicate that the proposed MLZW algorithm compresses Bangla text effectively and efficiently. We observed that the proposed MLZW provides higher compression rate approximately 3% for dictionary index and 33% for output sequence compared with LZW algorithm.","PeriodicalId":333370,"journal":{"name":"2017 International Conference on Electrical, Computer and Communication Engineering (ECCE)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126054175","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: 14

Underwater vehicle communication using electromagnetic fields in shallow seas 浅海中利用电磁场的水下航行器通信

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7912875

Manik Dautta, Md Imrul Hasan

{"title":"Underwater vehicle communication using electromagnetic fields in shallow seas","authors":"Manik Dautta, Md Imrul Hasan","doi":"10.1109/ECACE.2017.7912875","DOIUrl":"https://doi.org/10.1109/ECACE.2017.7912875","url":null,"abstract":"Some unavoidable shortcomings of acoustic wave based communications leads to the use of low frequency electromagnetic (EM) waves for underwater vehicle communication. Electric conductivity, causing frequency dependent attenuation, limits communication distance and data transfer rate in sea environment. An enhancement in range and bandwidth can be achieved by: 1) allowing EM signals to cross seawater-to-air boundary and achieve long-range horizontal communication using air path, followed by air to water signal transmission, if needed, and 2) exploring guided waves phenomenon at the water side of the seawater-air interface. A computational investigation to compare the EM wave propagation characteristics in seawater, in both sides of the seawater-air interface within a thin layer, and in air after crossing interface, in order to determine the optimum operating frequencies, ranges of communication, antenna orientation, and vertical offset of submerged antenna is presented in this paper. It is shown that with approximately 70 dB loss of signal strength, guided electric fields through air-water interface can be transmitted to a distance of 1 km at 10 KHz when the transmitter is 5 m below the interface.","PeriodicalId":333370,"journal":{"name":"2017 International Conference on Electrical, Computer and Communication Engineering (ECCE)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126961506","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: 18

A multiband MIMO antenna for future generation handset applications 用于下一代手机应用的多频段MIMO天线

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7912886

F. Ahmed, Md. Halim Miah Chowdhury, Aurangzib Md. Abdur Rahman

引用次数: 7

Variable speed PMSM drive with DC link voltage controller for light weight electric vehicle 轻型电动汽车用直流电压控制器变速永磁同步电机驱动

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7912896

A. M. Saleque, A. Khan, Siam Hasan Khan, E. Islam, Md. Nazmul Chowdhury

引用次数: 18

Improvement of photo-current density of P3HT:PCBM bulk heterojunction organic solar cell using periodic nanostructures 利用周期纳米结构改善P3HT:PCBM体异质结有机太阳能电池的光电流密度

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7912900

F. Hakim, M. K. Alam

引用次数: 1

An improved steganographic technique based on diamond encoding method 一种改进的基于菱形编码的隐写技术

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7912972

M. Haque, Jobayer Sheikh, Md. Jihan Al Rashid

引用次数: 3

Specific absorption rate (SAR) analysis using plastic substrate based negative indexed metamaterial shielding 基于负折射率超材料屏蔽的塑料衬底比吸收率分析

2017 International Conference on Electrical, Computer and Communication Engineering (ECCE) Pub Date : 2017-02-01 DOI: 10.1109/ECACE.2017.7912979

T. Alam, M. S. Alam, M. R. Islam, M. Islam, M. A. Ullah, F. Ashraf, M. Faruque

引用次数: 4