2020 IEEE Region 10 Symposium (TENSYMP)最新文献_第10页

Electronic and Optical Properties of Sn Doped Hexagonal BN Monolayer: A First-principles Study 锡掺杂六方氮化硼单层的电子和光学性质:第一性原理研究

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230995

Md. Sakib Hasan Khan, Farha Islam Mime, M. Islam

{"title":"Electronic and Optical Properties of Sn Doped Hexagonal BN Monolayer: A First-principles Study","authors":"Md. Sakib Hasan Khan, Farha Islam Mime, M. Islam","doi":"10.1109/TENSYMP50017.2020.9230995","DOIUrl":"https://doi.org/10.1109/TENSYMP50017.2020.9230995","url":null,"abstract":"In this paper, first-principles based density functional theory (DFT) calculation is applied for studying the electronic and optical properties of Tin (Sn) doped hexagonal boron nitride (hBN) monolayer. Two configurations were used for doping Sn atom in hBN monolayer. In the first structure, Boron atom (B) was replaced with Sn atom (sample 1) and in the second structure, Nitrogen (N) atom was replaced by Sn atom (sample 2). Formation energy calculation has been done on both samples and they are energetically favorable. It is observed that Sn atom substitution in hBN layer develops impurity states due to the valance bands pushing up at the Fermi energy (EF) level which results in a semi-metallic hBN monolayer. Some inter-band transitions caused by the impurity states initiate some anomalous trends in the optical properties of hBN monolayer. All the optical properties precisely, absorption coefficient, reflectivity, refractive index, dielectric function and loss function for Sn atom doped hBN structures were investigated using DFT. Pure hBN monolayer has insignificant absorption from 400 to 700 nm visible spectrum. When Sn atom is substituted, a significant value of absorption coefficient is attained in the visible wavelength range plus in the whole solar spectra in both samples. Relatively low static reflectivity is achieved in the visible spectrum because of Sn atom replacement in hBN monolayer. Other optical properties explicitly dielectric functions, refractive index and loss function show comparatively high-values in the visible spectrum.","PeriodicalId":6721,"journal":{"name":"2020 IEEE Region 10 Symposium (TENSYMP)","volume":"19 1","pages":"230-233"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89670112","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

A Single Phase to Single Phase Step-Down Cycloconverter for Variable Speed Drive Applications 用于变速驱动应用的单相到单相降压环变换器

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230912

Md. Shihab Uddin, S. P. Biswas, M. K. Hosain

{"title":"A Single Phase to Single Phase Step-Down Cycloconverter for Variable Speed Drive Applications","authors":"Md. Shihab Uddin, S. P. Biswas, M. K. Hosain","doi":"10.1109/TENSYMP50017.2020.9230912","DOIUrl":"https://doi.org/10.1109/TENSYMP50017.2020.9230912","url":null,"abstract":"In industrial community, there is a growing interest of using single-phase cycloconverters for variable speed drive applications. To employ cycloconverter in variable speed drive applications, the harmonic components of cycloconverter output voltage which is always expressed in terms of total harmonic distortion (THD) should be low to ensure good power quality. Different type of switching pulse width modulation techniques is available to compensate the THD, but the complex modulation techniques increase the complexity of gate drive circuit and hardware implementation process. In this paper, a modified single-phase to single-phase mid-point type cycloconverter topology is proposed which significantly reduces the THD of output voltage for one-third and one-four of 50 Hz frequency conversion without using any type of pulse width modulation techniques for switching. The proposed topology offers promising performances in terms of THD and it also lowers the complexity of gate drive circuit compared to existing solutions. To verify the feasibility of the proposed converter, a laboratory prototype is developed besides MATLAB/Simulink simulation.","PeriodicalId":6721,"journal":{"name":"2020 IEEE Region 10 Symposium (TENSYMP)","volume":"35 1","pages":"1148-1151"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88295840","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

An Unsupervised Approach for Road Surface Crack Detection 路面裂纹检测的一种无监督方法

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9231023

Sadia Mubashshira, Md. Rasel Azam, Sk. Md. Masudul Ahsan

{"title":"An Unsupervised Approach for Road Surface Crack Detection","authors":"Sadia Mubashshira, Md. Rasel Azam, Sk. Md. Masudul Ahsan","doi":"10.1109/TENSYMP50017.2020.9231023","DOIUrl":"https://doi.org/10.1109/TENSYMP50017.2020.9231023","url":null,"abstract":"Road surface distress is one of the major concerns for safety in transportation management. Surface crack is the initial stage for the structural breakdown of the asphalt pavement which may gradually deteriorate to potholes resulting in huge reforming cost in the later stage. So, detection of road surface cracks needs a good extent of attention for avoiding these inconsistency of transportation sector. Traditional manual inspection usually performed through human visualization which requires huge amount of time. So, in order to automate this inspection, an unsupervised approach has been proposed in order to detect the pavement cracks. Therefore, a method has been proposed to detect the road surface domain on the basis of color histogram analysis of pavement surfaces. K-means clustering algorithm followed by Otsu thresholding has been done for segmentation purpose in order to detect cracks on 2D road surface image. The presented algorithm provides a satisfactory result in case of detecting and localizing the crack of an image. It can effectively remove the noise and preserve edges which is very useful to attain an accuracy of good extent.","PeriodicalId":6721,"journal":{"name":"2020 IEEE Region 10 Symposium (TENSYMP)","volume":"16 1","pages":"1596-1599"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88037946","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

Identification of Epileptic Seizure in EEG Signals Using DWT and ANN 应用小波变换和神经网络识别脑电图信号中的癫痫发作

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230746

Ramendra Nath Bairagi, M. Maniruzzaman

引用次数: 1

A Novel Design of A Dual-Powered Automatic Peltier Effect Cooler 一种新型双动力自动珀耳帖效应冷却器的设计

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9231037

N. Islam, Rakibul Islam, Juwel Rana, Hasan U. Zaman

{"title":"A Novel Design of A Dual-Powered Automatic Peltier Effect Cooler","authors":"N. Islam, Rakibul Islam, Juwel Rana, Hasan U. Zaman","doi":"10.1109/TENSYMP50017.2020.9231037","DOIUrl":"https://doi.org/10.1109/TENSYMP50017.2020.9231037","url":null,"abstract":"This paper presents the design of a dual powered automatic Peltier Effect cooler that uses the thermoelectric effect for heat transfer. This device minimizes energy consumption by automatically switching between two available sources, namely the solar source and grid power, based on the availability of the sources. As a result, this device can be used both in remote places where grid power is not available and in places where grid power is available. The switching between the sources is automatic without the need for any human intervention. An MPPT (Maximum Power Point Tracking) charge controller is used to protect the battery from overdrive and to ensure efficient usage of solar power. Two Peltier elements are tactfully mounted in a heat-conductive copper chamber, so the minimum temperature is reached in the quickest possible time during start-up, but during normal operations usually one Peltier is used to maintain the low temperature. To avoid crossing the freezing point, a temperature threshold range has been implemented, below which all the power sources are automatically disconnected and reconnected again when necessary. The effective but simplistic design of this device makes it a good candidate for general usage and mass production.","PeriodicalId":6721,"journal":{"name":"2020 IEEE Region 10 Symposium (TENSYMP)","volume":"13 1","pages":"287-290"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86633782","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

Smart Glass for Awareness of Important Sound to People with Hearing Disability 智能眼镜让听障人士能够感知重要的声音

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230986

Md Latifur Rahman, S. Fattah

引用次数: 1

Design and implementation of a low-power 1V, 77.26µW 6-bit SAR ADC in Cadence 90nm CMOS process for biomedical application 基于Cadence 90nm CMOS工艺的低功耗1V 77.26µW 6位SAR ADC的设计与实现

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230608

Suva Banik, M.M.H Rasel, Tanjir Mahmud, M. Hasanuzzaman

引用次数: 4

An Artificial Intelligence Based Day Lag Technique for Day Ahead Short Term Load Forecasting 基于人工智能的日滞后技术用于日前短期负荷预测

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230805

Azfar Inteha, Nahid-Al-Masood, S. R. Deeba

引用次数: 2

A Proposed Architecture to Suspect and Trace Criminal Activity Using Surveillance Cameras 一种利用监控摄像头来怀疑和追踪犯罪活动的拟议架构

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230901

Sheikh Tanjila Naurin, Antora Saha, Khadija Akter, Sabbir Ahmed

引用次数: 2

Efficient Triple Junction Organic Solar Cell 高效三结有机太阳能电池

2020 IEEE Region 10 Symposium (TENSYMP) Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230594

Farha Islam Mime, Md. Sakib Hasan Khan, S. Asaduzzaman, Nusrat Karim, M. Islam

引用次数: 1