K. A. Khalid, M. I. Fahmi, H. F. Liew, M. Z. Aihsan, M. Saifizi
{"title":"Total Harmonic Distortion Comparison Analysis between High-Power Density Inverter and Multilevel Inverter","authors":"K. A. Khalid, M. I. Fahmi, H. F. Liew, M. Z. Aihsan, M. Saifizi","doi":"10.1109/SCOReD53546.2021.9652687","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652687","url":null,"abstract":"The inverter is one of the most common things in converting electrical energy supply and it is a very important concept in the current modern electrical power system to utilize the maximum potential by generating the unit while considering the environment within the surrounding area and avoid pollution is the most ideal concept of energy management. The main purpose of this study is to consider which one of the inverters is more suitable for energy saving. There are two kinds of inverter that have been tested for this research which are the High-power density inverter (HPDI) and Multilevel inverter (MLI). In High-power density inverter (HPDI) it uses electrical components such as Insulated-gate Bipolar Transistor (IGBT) as the main component. As for the Multilevel inverter (MLI) it uses electrical components Metal- oxide-semiconductor field-effect-transistor (MOSFET) as the main component. Both inverters are being implemented and running by using MATLAB Simulink software. Besides that, the result is obtained by comparing the Total Harmonic Distortion (THD), the output of the waveform and energy efficiency for both inverters.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"os-41 1","pages":"228-232"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87227807","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}
{"title":"Malay Tweets: Discovering Mental Health Situation during COVID-19 Pandemic in Malaysia","authors":"Ramadani Anwar Sabaruddin, Suhaila Saee","doi":"10.1109/SCOReD53546.2021.9652759","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652759","url":null,"abstract":"During the unprecedented of COVID-19 pandemic, numbers of research had been conducted on mental health in social media worldwide. Past research has shown interest in Twitter sentiment analysis by using keywords, geographical area, and range of ages. Up to the authors’ analysis, there is no research conducted on mental health using keyword in the case of Malaysia. A Malay Tweet dataset was built for analysing mental health tweets during the first Movement Control Order period using unique keywords. Machine learning algorithms namely, Naïve Bayes classifier and Support Vector Machine were used to predict the sentiment of tweets. The classifiers were evaluated using 10-fold cross-validation, accuracy, precision, and F1-score. The data then visualized in charts and WordCloud. The results shows that Support Vector Machine performed better than Naïve Bayes classifier for both test set and 10-fold cross-validation in terms of performances in n-gram TF-IDF. The visualized data could provide insights to the authority pertaining the mental health issues, in which it relates to local news and situations during the periods.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"7 1","pages":"58-63"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87685237","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}
{"title":"Advanced Encryption Standard Mobile Application to Improve College Entrance Security in UNIMAS","authors":"A. A. Julaihi, T. P. Ping, Fateen Afeefa Md Nor","doi":"10.1109/SCOReD53546.2021.9652788","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652788","url":null,"abstract":"Rafflesia College is one of the colleges in UNIMAS located outside of campus in Desa Ilmu, Kota Samarahan. Currently, the college does not have a clear log for visitors who enter and leave the college. There is also the chance that the visitor will enter the college using a fake identity. This paper implements improved entrance security with the Advanced Encryption Standard (AES) algorithm. In addition, this solution also ensures the confidentiality of the visitors’ data. This system has three users which are administrators, students, and security officers. This enhanced entrance security allows the students to put in a request for the visitor by giving the visitor’s to the security officer for approval. This proposed system is an Android-based application developed using the Waterfall methodology. This application also tracks the entrance and leave time of the visitors. A questionnaire was conducted during the process and about 95% of the respondents find the application improves the security of the entrance.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"56 1","pages":"152-156"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73525143","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}
{"title":"Pre-processing Technique using Colour-based Feature Method to Detect Categories of Leaves Disease","authors":"Siti Haslinda Bt Miasin, Phei-Chin Lim, Jacey-Lynn Minoi","doi":"10.1109/SCOReD53546.2021.9652764","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652764","url":null,"abstract":"Oil palm leaves diseases is caused by various plant pathogens and micronutrient deficiency, and genetic disorders. This problem, if not identified and treated quickly could lead to losses in yield and profitability. The disease on leaves is currently being identified through the different colours, shapes, and forms. Other signs of an infected plant can be seen based on the discolouration on the leaves. In this paper, we present an approach to automatically identify the morphological features of leave diseases in category of healthy to non-healthy based on region of interest of discolouration on young oil palm leaves. Raw leaf images are captured using a built-in digital camera. Pre-processing was done on each of the non-uniform illumination condition raw data images. We tested the colour feature method using RGB (Red, Green Blue) colour filtering in the identification of the leaf region of interest. Next, further segmentation method using HSV (Hue, Saturation, Values) colour filtering approach is employed to remove shadows and to identify the different level of regions of discolouration. The results highlighted that the infected area on the leaves can be identified by 100% based on the discoloured in the region of interest. These regions can be categorised in three different groups – healthy leaves (20% of the discolouration region) to heavily infected (70% of the discolouration region) of the leaves – based on analysis of the pre-processing results. In top of that, the HSV colour feature method could also remove shadow and noise. The results of the detected discolouration will be used oil palm leaves datasets for further classification and recognition research work.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"29 1","pages":"119-124"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77542605","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}
{"title":"Bit Error Rate Comparison for Radio Frequency Interconnection Based on BPSK, PAM and QAM Modulation","authors":"Ngu War Hlaing, A. Farzamnia","doi":"10.1109/SCOReD53546.2021.9652745","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652745","url":null,"abstract":"The advancement of Ultra Large-Scale Integration (ULSI) technology has motivated the need to find an alternative solution such as wireless communication and on-chip Radio Frequency (RF), a popular method to substitute the hardwired metal interconnect that has reached its performance limit due to material limitations. Single-input-single-output schemes such as Binary Pulse Shift Keying (BPSK) modulation, Phase Amplitude Modulation (PAM), and Quadrature Amplitude Modulation (QAM) implemented with the RF interconnect has increased its advantages. However, the type of channel used is still unclear. Thus, this paper evaluated the Bit Error Rate (BER) of these three modulation types under Additive White Gaussian Noise (AWGN) and Rayleigh multipath fading channels. The findings indicate that BPSK delivers the highest BER performance on the AWGN channel, while 8-ary PAM and 64-ary QAM output attain the best BER on the Rayleigh channels, irrespective of its signal-to-noise proportion (SNR). Comparing AWGN and Rayleigh channels shows that AWGN offers the highest BER performance regardless of the modulation techniques and SNR. Thus, BPSK achieves better BER performance in the AWGN channel.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"20 1","pages":"445-449"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85520049","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}
{"title":"Signal Processing Application for Musical Notes Recognition","authors":"K. Othman, Any Arope Zainal Abidin","doi":"10.1109/SCOReD53546.2021.9652762","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652762","url":null,"abstract":"Musical notes are the smallest elements used in composition of musical melody in the area of fine art. Technological advancement introduced digital application in musical composition by utilizing the area of signal processing. This paper presented musical notes recognition technique utilizing signal processing application. Samples of musical notes are composed in real time from chosen musical instruments. The collected musical notes are formed by two different types of guitars which are the acoustic and electric guitars. Signal processing algorithm is developed using MATLAB with the implementation of cepstral analysis method. The musical notes are analyzed by the algorithm to recognize the musical notes played by the instruments. The developed algorithm successfully exhibited the ability to recognize the presence of pitch related to musical notes from sound made by the chosen musical instruments. The outcomes also display that music notes matched perfectly in comparison from both chosen instruments.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"146 1","pages":"135-139"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80640801","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}
Ashaa Supramaniam, M. A. Zakaria, Baarath Kunjunni, M. H. Peeie, A. Nasir, M. I. Ishak
{"title":"Estimation of Electric Vehicle Turning Radius Through Machine Learning for Roundabout Cornering","authors":"Ashaa Supramaniam, M. A. Zakaria, Baarath Kunjunni, M. H. Peeie, A. Nasir, M. I. Ishak","doi":"10.1109/SCOReD53546.2021.9652676","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652676","url":null,"abstract":"This paper presents an alternative approach for estimating the turning radius using machine learning technique. While on-board sensors are unable to offer adequate information on vehicle states to the algorithm, vehicle states other than those directly detected by on-board sensors can be inferred using machine learning (ML) approaches based on the collected data. A compact electric vehicle model is used to obtain data and measurements of the vehicle states for different sets of road radius. The augmented basic measurements is fed to an Extra Tree Regression to predict the turning radius of the vehicle. The feasibility of the developed algorithm was tested and validated using performance metrics. The results show that the regression accuracy for the turning radius is 99% and can be obtained with sufficient vehicle dynamics information.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"80 1","pages":"329-332"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84445706","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}
{"title":"A Review of Surface EMG in Clinical Rehabilitation Care Systems Design","authors":"B. Chan, I. Saad, N. Bolong, Kang Eng Siew","doi":"10.1109/SCOReD53546.2021.9652736","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652736","url":null,"abstract":"Surface electromyography in clinical rehabilitation care systems are widely used in the rehabilitation center. Basically, it is used to record the electrical activity generated from the motor units. sEMG has not yet been fully successfully implemented in clinical practice due to several issues. The reliability of clinical signal extraction is still being discussed among researchers. In this review article, the electromyography, electrodes, features of the signal, noises and artifacts, classification, and the designs were deliberated. The enhancement of EMG signal analysis is essential to contribute a further description of the signal. There are many useful clinical applications related to sEMG that has been developed. However, the sEMG amplitudes still lack of study. Therefore, emphasis on sEMG amplitudes and related study can help improve the quality of the clinical applications and quality of life.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"23 1","pages":"371-376"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83772175","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}
Laura Ambrosio, Pedro Lucas Siqueira Paulino, João Antiquera, G. Aquino, Evandro César Vilas Boas
{"title":"EcoWaste: A Smart Waste Platform Enabling Circular Economy","authors":"Laura Ambrosio, Pedro Lucas Siqueira Paulino, João Antiquera, G. Aquino, Evandro César Vilas Boas","doi":"10.1109/SCOReD53546.2021.9652721","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652721","url":null,"abstract":"This work presents an IoT-based platform to enable a circular economy through waste recycling focus on logistics systems. The IoT platform allows connecting the waste picker and dispensers. The former is the user responsible for waste recycling, and the second is the user who generates the waste. The platform hardware comprises a selective collection bin equipped with microcontrollers, sensors, and communication modules. The hardware allows monitoring the bin filling level, reporting its longitude and latitude, and lock/unlock it. The user interface is a mobile application, which offers different access functions according to the user type. The waste picker has access to the city map containing the bins ready to be collected and can reserve them for a scheduled collection. The dispensers are encouraged to recycle based on a trash weight gamification approach. The MQTT (Message Queuing Telemetry Transport) protocol enables the platform entities to communicate through a broker server.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"50 1","pages":"411-415"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78379015","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}
Abdulrahman Ahmed Ghaleb Amer, S. Z. Sapuan, N. Nasimuddin
{"title":"Wide-Coverage Suspended Metasurface Energy Harvester for ISM Band Applications","authors":"Abdulrahman Ahmed Ghaleb Amer, S. Z. Sapuan, N. Nasimuddin","doi":"10.1109/SCOReD53546.2021.9652779","DOIUrl":"https://doi.org/10.1109/SCOReD53546.2021.9652779","url":null,"abstract":"A wide-coverage suspended metasurface (MS) electromagnetic (EM) energy harvester for ISM band applications is designed and analyzed. The proposed MS harvester is printed on a thin and low-loss substrate material and suspended with an air gap to increase the efficiency of the MS harvester. At normal-incidence, the proposed MS harvester is achieved a higher absorption response of about 90% across the frequencies from 2.14 GHz to 2.64 GHz. At oblique incidence angles, the AC power efficiency of 93.7%, 77.2% and 64% is achieved at incident angles of 15 o, 30 o and 45 o, respectively.","PeriodicalId":6762,"journal":{"name":"2021 IEEE 19th Student Conference on Research and Development (SCOReD)","volume":"8 1","pages":"87-90"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90996623","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}