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The Impact of Covid-19 on Human Rescue Operations: A Review on Past Unmanned - Water Rescue Boats (U-Wrb) and Adopting Them to The New Norm 2019冠状病毒病对人类救援行动的影响:回顾过去的无人水上救援艇(U-Wrb)并将其纳入新规范
Journal of Engineering Technology and Applied Physics Pub Date : 2022-03-15 DOI: 10.33093/jetap.2022.4.1.2
U. Nirmal, Alif Zulfakar, Saijod Lau Tze Way, Mohd Megat Hamdan Megat Ahmad, M. Y. Yaakob, Jasspeed Singh, Mohd Fairozan
{"title":"The Impact of Covid-19 on Human Rescue Operations: A Review on Past Unmanned - Water Rescue Boats (U-Wrb) and Adopting Them to The New Norm","authors":"U. Nirmal, Alif Zulfakar, Saijod Lau Tze Way, Mohd Megat Hamdan Megat Ahmad, M. Y. Yaakob, Jasspeed Singh, Mohd Fairozan","doi":"10.33093/jetap.2022.4.1.2","DOIUrl":"https://doi.org/10.33093/jetap.2022.4.1.2","url":null,"abstract":"Recently, the drowning cases of human beings are at an alarming rate. The current work presents a dedicated review on U-WRB for human rescue operations subjected to drowning. The review from year 1996 to 2018 highlights the key factors such as advantages and limitations of the developed U-WRB’s. Having completed the review, the work further proposes new research pathways that could be beneficial to the scientific community living in the new norm; COVID-19 where minimal contact between humans are of concern when it comes to human rescue operations. Possible new research pathways include but not limited to the type of sensors used, material selection, incorporation of state-of-the-art attachments to the U-WRB and customizable attachments to the main unit based on a given real time rescue operation are proposed.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115397119","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
Study of Electrical Performance of Hetero-Dielectric Gate Tunnel Field Effect Transistor (HDG TFET): A Novel Structure for Future Nanotechnology 异质介电栅隧道场效应晶体管(HDG TFET)的电性能研究:未来纳米技术的新结构
Journal of Engineering Technology and Applied Physics Pub Date : 2022-03-15 DOI: 10.33093/jetap.2022.4.1.6
Tan Chun Fui, A. Kumar Singh, Lim Way Soong
{"title":"Study of Electrical Performance of Hetero-Dielectric Gate Tunnel Field Effect Transistor (HDG TFET): A Novel Structure for Future Nanotechnology","authors":"Tan Chun Fui, A. Kumar Singh, Lim Way Soong","doi":"10.33093/jetap.2022.4.1.6","DOIUrl":"https://doi.org/10.33093/jetap.2022.4.1.6","url":null,"abstract":"Although, dynamic power in portable mobile devices can be reduced by reducing power supply VDD on the cost of increased leakage current. Therefore, maintaining low leakage current in the device is serious issue for minimizing overall power consumption of the circuit and improving the battery life. The conventional Metal Oxide Field Effect Transistor (MOSFET) requires at least 60 mV of gate voltage for better current drive at room temperature which is difficult to achieve due to thermal limit. This limitation of gate voltage requirement degrades the performance of the device at lower VDD. Tunnel Field Effect Transistor (TFET) is a potential candidate to replace CMOS in deep-submicron region due to its lower subthreshold slope SS (< 60 mV/decade) at room temperature. Steep switching in TFET can extend the supply voltage scaling with improved energy efficiency for both digital and analog applications. Despite those advantages, TFETs are suffering from lower ON current and larger ambipolar current. To overcome these shortcomings, a new structure, known as Hetero-dielectric gate TFET (HDG TFET), has been proposed in the literature. Since, in the absence of the compact analytical model, it is difficult to understand the electrical behaviour of the HDG TFET device, therefore, the present paper presents an analytical model of transconductance parameter of HDG TFET device. The electrical performance analysis of HDG TFET device reflects that on current can be increased considerably by choosing gate material of higher work function near the source region which also suppresses the ambipolar current. It is also observed that a thinner silicon film and larger drain bias result in larger transconductance value.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"310 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116610358","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
Internet of Things in E-Healthcare System 电子医疗系统中的物联网
Journal of Engineering Technology and Applied Physics Pub Date : 2022-03-15 DOI: 10.33093/jetap.2022.4.1.1
Varshni Sivarajan, Pang Wai Leong, Chan Kah Yoong, Lee It Ee, Chung Gwo Chin, Wong Sew Kin
{"title":"Internet of Things in E-Healthcare System","authors":"Varshni Sivarajan, Pang Wai Leong, Chan Kah Yoong, Lee It Ee, Chung Gwo Chin, Wong Sew Kin","doi":"10.33093/jetap.2022.4.1.1","DOIUrl":"https://doi.org/10.33093/jetap.2022.4.1.1","url":null,"abstract":"Health awareness is important with increasingly complex challenges towards maintaining good health, especially during the COVID-19 pandemic. Regular health monitoring is a must for everyone during the pandemic. This project proposed an IoT based E-Healthcare system to monitor the body temperature, blood pressure and heartbeat rate. The temperature sensor was connected to a Raspberry Pi microcontroller and the readings were stored in the SQLite database management system. The blood pressure and heartbeat rate readings were retrieved from the wrist blood pressure sensor and the readings were entered into the database. The user can access the health data record through a smartphone.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123692105","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
A Study on Formulation of Strain-Based Triangular Elements 基于应变的三角形单元的计算方法研究
Journal of Engineering Technology and Applied Physics Pub Date : 2022-03-15 DOI: 10.33093/jetap.2022.4.1.4
Logah Perumal, Palanisamy Chockalingam
{"title":"A Study on Formulation of Strain-Based Triangular Elements","authors":"Logah Perumal, Palanisamy Chockalingam","doi":"10.33093/jetap.2022.4.1.4","DOIUrl":"https://doi.org/10.33093/jetap.2022.4.1.4","url":null,"abstract":"This paper presents formulation of triangular elements based on strain approach. Various formulations of the strain-based elements can be seen in the literature. However, most of them do not clearly describe selection of the suitable strain fields for the elements. Therefore, in this work, some guidance for the formulation of strain-based elements are provided based on simulation results that are obtained by using several polynomial functions from Pascal’s triangle. It is seen that higher order terms in the strain functions do not always guarantee better performance for the case considered in this work.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"5 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130099246","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
Security and Privacy of Contact Tracing Protocols for COVID-19 COVID-19接触者追踪协议的安全性和隐私性
Journal of Engineering Technology and Applied Physics Pub Date : 2022-03-15 DOI: 10.33093/jetap.2022.4.1.5
Zhen Ang Soh, Swee Huay Heng
{"title":"Security and Privacy of Contact Tracing Protocols for COVID-19","authors":"Zhen Ang Soh, Swee Huay Heng","doi":"10.33093/jetap.2022.4.1.5","DOIUrl":"https://doi.org/10.33093/jetap.2022.4.1.5","url":null,"abstract":"Contact tracing is a way to track people who have been in contact with infected patients of COVID-19 and thereby effective control is achieved. Various countries have developed their own contact tracing applications which deploy the same or different protocol. It is of utmost importance to improve public awareness on the potential hidden risks of the respective protocols and applications and instill user confidence. The purpose of this research is to study the security and privacy of the existing contact tracing protocols to ensure that the security and privacy of users can be guaranteed. The protocols used by the applications include DP-3T protocol, TCN protocol, PEPP-PT protocol and BlueTrace protocol. The architecture of the protocols can be classified into centralised and decentralised architectures. In addition, the contact tracing applications in seven selected countries will be briefly analysed and compared. Some common user concerns are also outlined.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"338 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122750680","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
Conceptual Design and Analysis of a Hybrid Walking Cane 一种混合式手杖的概念设计与分析
Journal of Engineering Technology and Applied Physics Pub Date : 2021-12-15 DOI: 10.33093/jetap.2021.3.2.5
Wei Wei Teng, K. W. Liew
{"title":"Conceptual Design and Analysis of a Hybrid Walking Cane","authors":"Wei Wei Teng, K. W. Liew","doi":"10.33093/jetap.2021.3.2.5","DOIUrl":"https://doi.org/10.33093/jetap.2021.3.2.5","url":null,"abstract":"This work is aimed to design and analyze the staircase climbing aid, hybrid with the function of walking cane. The tremendous demand for living space increases the essentiality of staircase, corresponding to the escalation of fall injuries. The handrails complemented along with staircase had provided deficient safeguard for staircase user, particularly senior citizen and people with lower limb disability, who need staircase climbing aid to provide extra support during escalating or declining staircase.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124738233","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
An Improved Backscattering Theoretical Model for Snow Area 一种改进的雪区后向散射理论模型
Journal of Engineering Technology and Applied Physics Pub Date : 2021-12-15 DOI: 10.33093/jetap.2021.3.2.2
Dina Naqiba Nur Ezzaty Abd Wahid, S. Syahali, Muhamad Jalaluddin Jamri
{"title":"An Improved Backscattering Theoretical Model for Snow Area","authors":"Dina Naqiba Nur Ezzaty Abd Wahid, S. Syahali, Muhamad Jalaluddin Jamri","doi":"10.33093/jetap.2021.3.2.2","DOIUrl":"https://doi.org/10.33093/jetap.2021.3.2.2","url":null,"abstract":"Remote sensing has been studied for a long time to monitor the earth terrain. Remote sensing technology has been used globally in many different fields and one of the most popular area of study that uses remote sensing technology is snow monitoring. In previous researches, remote sensing has been modelled on snow area to study the scattering mechanisms of various scattering processes. In this paper, surface volume second order term that was dropped in previous study is derived, included and studied to observe the improvement in the surface volume backscattering coefficient. This new model is applied on snow layer above ground and the snow layer is modelled as a volume of ice particles as the Mie scatterers that are closely packed and bounded by irregular boundaries. Various parameters are used to investigate the improvement of adding the new term. Results show improvement in cross-polarized return, for all the range of parameters studied. Comparison is made with the field measurement result from U.S. Army Cold Regions Research and Engineering Laboratory (CRREL) in 1990. Close agreement is shown between developed model and data field backscattering coefficient result.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116631671","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
Development of A Soil Resistivity Calculator 土壤电阻率计算器的研制
Journal of Engineering Technology and Applied Physics Pub Date : 2021-12-15 DOI: 10.33093/jetap.2021.3.2.3
Muhd Anas Ezhar, C. L. Siow
{"title":"Development of A Soil Resistivity Calculator","authors":"Muhd Anas Ezhar, C. L. Siow","doi":"10.33093/jetap.2021.3.2.3","DOIUrl":"https://doi.org/10.33093/jetap.2021.3.2.3","url":null,"abstract":"Soil resistivity is an important parameter for designing electrical earthing system. The measurement of soil resistivity is greatly influenced by moisture content, temperature, porosity, degree of saturation, number of soil layer(s), and frequency of lightning current. Researchers have proposed various methodologies to provide an approximation of soil resistivity using the listed parameters. In order to ease the process of estimating soil resistivity at a particular area, there is a pressing need to devise a simple tool that enables the calculation of soil resistivity in the most accurate manner. As such, this research proposes a reliable tool for quick evaluation of soil resistivity based on various methodologies using Microsoft Excel’s built-in-functions and Visual Basic Application (VBA) Next, the developed tool was validated using two methods, in which the output value of the calculator was compared with data retrieved from IEEE Std 142-2007 and data reported in past studies. The validation results revealed that the developed calculator may serve as a significant application in future due to its time-saving and cost-effective attributes.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"76 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126018428","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
Vision Based Indoor Surveillance Patrol Robot Using Extended Dijkstra Algorithm in Path Plannin 基于视觉的室内监控巡逻机器人路径规划扩展Dijkstra算法
Journal of Engineering Technology and Applied Physics Pub Date : 2021-12-15 DOI: 10.33093/jetap.2021.3.2.4
Kiat Teh Choon, Kit Wong Wai, Soe Min Thu
{"title":"Vision Based Indoor Surveillance Patrol Robot Using Extended Dijkstra Algorithm in Path Plannin","authors":"Kiat Teh Choon, Kit Wong Wai, Soe Min Thu","doi":"10.33093/jetap.2021.3.2.4","DOIUrl":"https://doi.org/10.33093/jetap.2021.3.2.4","url":null,"abstract":"Vision based patrol robot has been with great interest nowadays due to its consistency, cost effectiveness and no temperament issue. In recent times, Global positioning system (GPS) has been cooperated with Global Navigation Satellite System (GNSS) to come out with better accuracy quality in positioning, navigation, and timing (PNT) services to locate a device. However, such localization service is yet to reach any indoor facility. For an indoor surveillance vision based patrol robot, such limitation hinders its path planning capabilities that allows the patrol robot to seek for the optimum path to reach the appointed destination and return back to its home position. In this paper, a vision based indoor surveillance patrol robot using sensory manipulation technique is presented and an extended Dijkstra algorithm is proposed for the patrol robot path planning. The design of the patrol robot adopted visual type sensor, range sensors and Inertia Measurement Unit (IMU) system to impulsively update the map’s data in line with the patrol robot’s current path and utilize the path planning features to carry out obstacle avoidance and re-routing process in accordance to the obstacle’s type met by the patrol robot. The result conveyed by such approach certainly managed to complete multiple cycles of testing with positive result.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123140287","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
A Review of Modular Ergonomic Furniture Patents 模块化人体工学家具专利综述
Journal of Engineering Technology and Applied Physics Pub Date : 2021-12-15 DOI: 10.33093/jetap.3.2.1
U. Nirmal, Eric Anton, Poh Kiat Ng, Chee Wen Chin
{"title":"A Review of Modular Ergonomic Furniture Patents","authors":"U. Nirmal, Eric Anton, Poh Kiat Ng, Chee Wen Chin","doi":"10.33093/jetap.3.2.1","DOIUrl":"https://doi.org/10.33093/jetap.3.2.1","url":null,"abstract":"This paper identifies weaknesses in the ergonomics and design advancements of household furniture. This paper suggests recommendations to enhance the satisfaction and support of ergonomic furniture. Furniture and interior wares are the chosen products of interest, and are specifically emphasised in the context of home living. This paper includes an ergonomics focus on the engineering and industrial design of household furniture, but does not include an analysis of biomechanics, physiology and anthropometry. Based on evaluations of patents from 1980 to 2013, this paper suggests that a user-centred design would be an ideal choice for designers as it potentially promotes customer satisfaction and simultaneously improves the health and well-being of users. The paper synthesises the consensuses of furniture consumers which include data from trends, demands, complexities and preferences.","PeriodicalId":441201,"journal":{"name":"Journal of Engineering Technology and Applied Physics","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127853397","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
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