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2023 3rd International Conference on Robotics, Electrical and Signal Processing Techniques (ICREST)最新文献

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Performance Analysis of the AVR Using An Artificial Neural Network and Genetic Algorithm Optimization Technique 基于人工神经网络和遗传算法优化的AVR性能分析
Niloy Goswami, Md. Redowan Habib, A. Shatil, Kazi Firoz Ahmed
The Automatic Voltage Regulator (AVR) is required to maintain a steady output voltage from the generator, and it relies heavily on the Proportional Integral Derivative (PID) controller. For the function of controlling industrial loops, a controller known as the PID controller is frequently used on account of its straightforward architecture, uncomplicated implementation, and excellent dependability. Traditional approaches to tuning the PID controller have their limits, but those limits may be overcome by incorporating more sophisticated tuning approaches. The main aim of this study is to provide the ideal design for tuning a PID controller using a Genetic Algorithm (GA) and an Artificial Neural Network (ANN) in order to further improve the PID-based AVR system. The performance of the suggested approach is afterward compared with one another. The results of a simulation carried out in MATLAB show that GA tuning techniques give better performance.
自动电压调节器(AVR)需要保持发电机的稳定输出电压,它在很大程度上依赖于比例积分导数(PID)控制器。对于控制工业回路的功能,一种被称为PID控制器的控制器由于其结构简单,实现简单,可靠性好而经常被使用。传统的PID控制器调优方法有其局限性,但这些局限性可以通过结合更复杂的调优方法来克服。本研究的主要目的是利用遗传算法(GA)和人工神经网络(ANN)对PID控制器进行优化设计,以进一步改进基于PID的AVR系统。然后,对所建议方法的性能进行了比较。在MATLAB中进行的仿真结果表明,遗传算法调谐技术具有更好的性能。
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引用次数: 0
Brain tumor detection by Kapton Polyimide based on-body patch antenna in K band 基于K波段卡普顿聚酰亚胺贴片天线的脑肿瘤检测
Sumit Hassan Eshan, Raja Rashidul Hasan, Abdullah Al Mamun Sarker, Sadia Zabin, Raja Tariqul Hasan Tusher, M. Rahman
This paper is all about to design an antenna for brain tumor detection using a novel material Kapton polyimide. A brain tumor, which has the potential to spread throughout the body and result in cancer, is one of the worst disorders. Using a novel material and observing variation in the S1,1 parameter to spot brain cancers is the main objective of this paper. An on-body microstrip patch antenna constructed in the K band and a three-size brain tumor in a brain phantom model were employed to identify the existence of brain tumor. This antenna can operate between 4 and 14 GHz. The resonance frequency of the proposed antenna was discovered to be 12.96 GHz in free space. A VSWR of 1.00 and −92.06 dB S1,1 was also measured in this area. S1,1 is −49.93 dB at 8.58 GHz in the Normal Brain and −40.51 dB at 11.87 GHz in the Tumor Affected Brain.
本文是关于用一种新型材料卡普顿聚酰亚胺设计一种脑肿瘤检测天线。脑肿瘤是最严重的疾病之一,它有可能扩散到全身并导致癌症。利用一种新的材料和观察S1参数的变化来发现脑癌是本文的主要目的。采用K波段的体上微带贴片天线和脑幻影模型中三个尺寸的脑瘤来识别脑瘤的存在。这种天线可以在4到14 GHz之间工作。该天线在自由空间的谐振频率为12.96 GHz。在该区域还测量到1.00和- 92.06 dB S1,1的VSWR。S1,1在正常脑8.58 GHz处为- 49.93 dB,在肿瘤影响脑11.87 GHz处为- 40.51 dB。
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引用次数: 0
A Smart Helmet: Ensuring Safety of Bike Riders 智能头盔:确保骑车者的安全
Jannatul Ferdous Riya, Md. Tanvir Hossain Chowdhury, Sabrin Akter Usha, Sujan Howlader, Shameem Ahmad, Mohammad Zohurul Islam
The number of bike accidents is rising daily. Numerous people have suffered serious injuries and lost their lives as a result of bike accidents. Bike riders can reduce their risk of collisions by wearing helmets. The advantages of smart helmets include a decrease in the number of bike accidents. The primary cause of fatality in the majority of accidents is a lack of quick first aid and emergency medical assistance. One of the primary causes of this might be the ambulance's late arrival, with no one at the scene of the accident to provide information to the ambulance. The objective of this paper is to develop a smart helmet powered by renewable energy that will ensure the safety of bikers. The helmet includes an Arduino as a microprocessor, Global System for Mobile communication (GSM) for phone calls, Global Positioning System (GPS) for tracking, and vibration sensors to detect accidents within a minute of detecting the accident, the system calls the registered number with a message and the precise position. Furthermore, if the user exceeds the average speed limit, the speed sensors will warn them. The rider can summon help in an emergency by activating the emergency switch. If the rider is not wearing a helmet, the bike will not start. Solar energy powers the prototype in its entirety. From the result analysis, it has been found that the developed helmet can provide safety to the bikers by conveying accurate and real-time information on accidents within minutes.
自行车事故的数量每天都在上升。由于自行车事故,许多人受了重伤,失去了生命。骑自行车的人可以戴上头盔来降低碰撞的风险。智能头盔的优点包括减少自行车事故的数量。在大多数事故中,死亡的主要原因是缺乏快速的急救和紧急医疗援助。造成这种情况的主要原因之一可能是救护车迟到,事故现场没有人向救护车提供信息。本文的目标是开发一种可再生能源驱动的智能头盔,以确保骑自行车者的安全。该头盔包括Arduino作为微处理器,用于通话的全球移动通信系统(GSM),用于跟踪的全球定位系统(GPS),以及用于检测事故的振动传感器,在检测到事故的一分钟内,系统呼叫注册号码并发送消息和精确位置。此外,如果用户超过平均速度限制,速度传感器将警告他们。在紧急情况下,车手可以通过启动紧急开关来呼叫帮助。如果骑手不戴头盔,自行车将无法启动。整个原型机的动力来自太阳能。从结果分析中发现,所开发的头盔可以在几分钟内准确实时地传递事故信息,为骑车人提供安全保障。
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引用次数: 0
Analysis of Layered Shielding for Capacitive Wireless Power Transfer Application 电容式无线电力传输应用的分层屏蔽分析
Minhazur Rahman, Kaushik Ahmed, Md. Ikramul Islam Nuhin, M. T. Ali
Capacitive wireless power transfer (CPT) offers the potential for a variety of applications, ranging from consumer electronics to military applications because of the use of electric fields instead of magnetic fields for power transfer. In this work, three distinct shielding materials (Cu, Al, and Zr) were investigated for solid shielding and multi-layered shielding anal-ysis to reduce radiation exposure to electronics and humans. Despite the fact that typical single-layer shielding can work well, three-layer shielding performed better in this investigation in terms of decreasing the field values on the receiving side. With two proposed layered shielding techniques, the field values were lowered to 151.28 V/m and 169.71 V/m from 309.56 V/m and 279.50 V/m for solid shielding with copper and aluminum. Ansys HFSS finite element analysis was utilized to calculate the field for four shields, two of which consist of Cu and Zr layered shielding. The study demonstrates that layered shielding is superior in terms of field distribution and field exposure outside the shielding. Concerning the efficacy of this various shielding strategies, additional research is required with a focus on Specific Absorption Rate (SAR) estimation.
电容式无线电力传输(CPT)为各种应用提供了潜力,从消费电子到军事应用,因为使用电场而不是磁场进行电力传输。在这项工作中,研究了三种不同的屏蔽材料(Cu, Al和Zr)用于固体屏蔽和多层屏蔽分析,以减少对电子设备和人类的辐射暴露。尽管典型的单层屏蔽可以很好地工作,但在本研究中,三层屏蔽在降低接收侧场值方面表现更好。采用两种分层屏蔽技术,铜和铝固体屏蔽的场值分别从309.56 V/m和279.50 V/m降低到151.28 V/m和169.71 V/m。利用Ansys HFSS有限元分析计算了四种屏蔽层的场,其中两种屏蔽层分别为Cu层和Zr层。研究表明,层状屏蔽在场分布和屏蔽外的场暴露方面都具有优势。关于这些不同屏蔽策略的有效性,需要进一步的研究,重点是比吸收率(SAR)的估计。
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引用次数: 0
Computational fluid dynamics (CFD) analysis of thermoelectric generator for Regenerative Braking of the Hybrid Electric Vehicle 混合动力汽车蓄热制动用热电发电机的计算流体动力学分析
Md. Zilan Uddin Saif, Md Rasel Ahmed, Md. Abu Hanif, Farhan Tasnim, C. A. Hossain
Electric automobiles are a vital, dynamic, and quickly growing issue that touches on a range of topics, including increased energy demand and consumption, reduced environmental emissions, ensuring the use of renewable energy sources, and so more. Electric vehicles are also becoming more affordable. With the rising amount of research and development being done on electric cars on a worldwide basis, regenerative braking is becoming more and more significant. Using the vehicle's waste heat energy, it is hoped to extend the range of the battery, so providing an additional source of benefit. The goal of this publication is to propose of a Thermoelectric Generator (TEG) model based on an analysis of gas velocity pressure and turbulence kinetic energy at peak temperature to increase the operating range of hybrid electrical vehicles (HEVs) by storing the electrical power output in the battery. According to the regenerative braking system concept, kinetic energy from automobiles that was released into the environment as waste heat energy is converted into electricity using this method.
电动汽车是一个重要的、动态的、快速增长的问题,涉及到一系列的主题,包括增加的能源需求和消耗、减少环境排放、确保使用可再生能源等等。电动汽车也变得越来越便宜。随着世界范围内对电动汽车的研究和开发越来越多,再生制动变得越来越重要。利用车辆的废热能源,希望能延长电池的使用范围,从而提供额外的效益来源。本出版物的目标是提出一种基于峰值温度下气体速度压力和湍流动能分析的热电发电机(TEG)模型,通过将输出的电力存储在电池中来增加混合动力电动汽车(hev)的运行范围。根据再生制动系统的概念,利用这种方法将汽车作为废热释放到环境中的动能转化为电能。
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引用次数: 0
Effect of Pressure on VTe2/NbTe2 Heterostructure in Photonic Applications: A First-Principles Study 光子应用中压力对VTe2/NbTe2异质结构的影响:第一性原理研究
Sheikh Mohd. Ta-Seen Afrid, Ratul Kundu
Formation of transition metal dichalcogenides (TMDs) heterostructure has stimulated wide attraction in nanophotonics and flexible electronics by tuning their unique characteristics. The special physical features of these materials facilitate prominent potential to elevate their modulation performance significantly in nearly all photonic scheme including electro-optical, and thermo-optical modulation. First-principles density functional theory (DFT) calculations were used to validate the pressure induced stability, electrical structure and tunable characteristics of two dimensional VTe2/NbTe2 heterostructure. The changes in their geometrical shape, band structure, magnetism, effective mass and mobility, total density of states and partial density of states, differential charge densities, and dynamic stability under numerous pressure were assessed. Our investigation imparts that phase transitions occurred under 9 GPa and 13 GPa. Total magnetization increased remarkably with increasing pressure applied on VTe2/NbTe2. Other properties like mobility, effective mass and differential charge densities faced gradual change with varying pressure. Pressure modulated VTe2/NbTe2 retained the dynamic stability up to 12 GPa. The results of this work reveal numerous features tunability of pres-sure induced VTe2/NbTe2 heterostructure, in order to improve performance in nanophotonic and nanoelectronic applications.
过渡金属二硫族化合物(TMDs)异质结构的形成通过调整其独特的特性在纳米光子学和柔性电子学中引起了广泛的关注。这些材料的特殊物理特性使得它们在包括电光和热光调制在内的几乎所有光子方案中具有显著提高调制性能的突出潜力。利用第一性原理密度泛函理论(DFT)计算验证了二维VTe2/NbTe2异质结构的压力诱导稳定性、电结构和可调谐特性。研究了它们的几何形状、能带结构、磁性、有效质量和迁移率、态总密度和态偏密度、电荷差密度以及在多种压力下的动态稳定性的变化。我们的研究表明,相变发生在9 GPa和13 GPa下。随着VTe2/NbTe2施加压力的增加,总磁化强度显著增加。其他性质如迁移率、有效质量和差电荷密度随着压力的变化而逐渐变化。压力调制后的VTe2/NbTe2在12 GPa下仍保持动态稳定性。本工作的结果揭示了压力诱导VTe2/NbTe2异质结构的许多可调性特征,以提高其在纳米光子和纳米电子应用中的性能。
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引用次数: 3
ReChain-A Blockchain Network for Review and Rating System rechain -一个用于审查和评级系统的区块链网络
Rayhan Ahmed, Md. Sajedul Islam, Sabbir Osmani, Md. Ahanab Shakil, Md. Mazid-Ul-Haque, Md. Al-Amin
Review and rating is a very important movement for online purchases and also it's an overview of a company's service. The most popular online platform provides a section called reviews and ratings. In this research, a blockchain based technology has been proposed that is fully decentralized but can be implemented inside a centralized system. It has been noticed for a long time that because of the company's image, some people are using it negatively, and fake or paid reviews are very common among them. There are many flaws in conventional systems for review and rating. After finding the flaws, a totally new blockchain network is designed to overcome them. This is a consortium blockchain network that contains hybrid blockchain features. In this proposed model, complexity has been reduced, and it is going to be cost-efficient as well because this decentralized system can be used in any centralized system.
评论和评级是在线购物中非常重要的一项活动,也是对一家公司服务的概述。最受欢迎的在线平台提供了一个名为评论和评分的部分。在这项研究中,提出了一种基于区块链的技术,该技术完全去中心化,但可以在中心化系统内实现。我们很早就注意到,由于公司的形象,一些人在负面使用它,其中虚假或付费评论非常普遍。传统的审查和评级系统存在许多缺陷。在发现漏洞后,一个全新的区块链网络被设计来克服它们。这是一个包含混合区块链功能的联盟区块链网络。在这个提出的模型中,复杂性已经降低,而且它也将具有成本效益,因为这个分散的系统可以在任何集中的系统中使用。
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引用次数: 0
Comparative Simulation of GaAs and AlGaAs Based On Triple Barriers-Resonant Tunneling Diode 基于三势垒-共振隧道二极管的GaAs与AlGaAs的对比仿真
Rupa Paul, Lamia Mannan, Tahseen Asma Meem, Md.Mehedi Hasan
This research shows the comparison of GaAs and AlGaAs Based triple Barrier Resonant Tunneling Diode. In this paper, the proposed model includes GaAs primarily based on a triple Barrier-Resonant Tunneling Diode (TBRTD) mannequin and it is compared with AlGaAs totally based on Quantum TBRTDs at room temperature. Two specific models are introduced in the proposed system. Firstly, the semi-classical Thomas-Fermi model and secondly, the Hartree quantum cost model to consider the performance of this mannequin in one-of-a-kind temperature. The RTD's performance at extreme low temperatures can be improved with the help of this examination. The results suggest high-height modern technology equipped with AlGaAs RTD and accomplish a high peak to valley ratio in comparison to GaAs RTD. They are based entirely on non-equilibrium Green's characteristic formalization inside ballistic limits. Additionally, contrast aids in comparing each model's higher system. The system was simulated using nanoHuB.org and a related tool that supports the numerous implications discussed in this study.
本文研究了GaAs与AlGaAs基三势垒共振隧道二极管的比较。本文提出的模型包括主要基于三势垒共振隧道二极管(TBRTD)模型的GaAs,并在室温下与完全基于量子TBRTD的AlGaAs进行了比较。提出了两种具体的模型。首先,采用半经典Thomas-Fermi模型,其次,采用Hartree量子成本模型来考虑该模型在特殊温度下的性能。在这种测试的帮助下,RTD在极低温下的性能可以得到改善。结果表明,与GaAs RTD相比,AlGaAs RTD具有较高的峰谷比。它们完全基于弹道极限内的非平衡格林特征形式化。此外,对比有助于比较每个模型的高级系统。使用nanoHuB.org和一个支持本研究中讨论的众多含义的相关工具对该系统进行了模拟。
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引用次数: 0
Performance Analysis of Load Frequency Control for Power Plants Using Different Optimization Techniques 采用不同优化技术的电厂负荷频率控制性能分析
Niloy Goswami, A. Shatil
In this paper, several optimization techniques including the Particle Swarm Optimization (PSO) technique, the Genetic Algorithm (GA), and the Adaptive Neuro-Fuzzy Inference System (ANFIS) are applied to determine the most efficient output for load frequency control. These optimization techniques analyze the optimal level of system performance. The goal of this paper is to identify the most effective optimization technique for this sophisticated LFC system. In this research, three strategies (PSO, GA, ANFIS) are used in the LFC system to analyze frequency fluctuation and compare the load change rate. The model consists of the transfer function of the governor, turbine, rotating mass, and load. In this analysis, the ideal performance is examined across three separate case scenarios. The MATLAB/SIMULINK software simulates the performance analysis, which offers more realistic data and is generally preferred in this sort of optimization strategy work.
本文采用粒子群优化(PSO)技术、遗传算法(GA)和自适应神经模糊推理系统(ANFIS)等优化技术来确定负载频率控制的最有效输出。这些优化技术分析了系统性能的最优水平。本文的目标是为这种复杂的LFC系统确定最有效的优化技术。在本研究中,采用PSO、GA、ANFIS三种策略对LFC系统进行频率波动分析和负荷变化率比较。该模型由调速器、汽轮机、旋转质量和负荷的传递函数组成。在这个分析中,理想的性能将在三个独立的场景中进行检查。MATLAB/SIMULINK软件对性能分析进行了仿真,提供了更真实的数据,是这类优化策略工作的首选。
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引用次数: 1
Two-Bit Magnitude Comparator Design Using Gate Diffusion Input Technique and Static CMOS Logic 基于门扩散输入技术和静态CMOS逻辑的二位幅度比较器设计
Upal Barua Joy, Avishek Chakraborty, Preyonti Biswas, Arka Das, Swagata Sen, Afra Tasnim
Magnitude comparison is an elementary operation of Arithmetic Logic Unit (ALU) of modern processors. Due rapid increased use of portable devices, circuit designs having optimal performance level have become crucial. A novel design of a two-bit magnitude comparator is presented in this paper using Gate Diffusion Input (GDI) technique and Static CMOS (S-CMOS) logic. To determine the performance aspects, the proposed circuit was implemented and simulated in Cadence Virtuoso environment. The proposed work showed 0.212 ns propagation delay and 7.801 uW average power (AP) In order to compare the proposed work, the existing two-bit magnitude comparators were also simulated using Cadence software. 90 nm technology with a supply voltage of 1.0 V have been used in all simulation cases. In accordance to simulation result, the magnitude comparator presented in this paper displayed notable enhancement in all performance aspects.
幅度比较是现代处理器算术逻辑单元(ALU)的一项基本操作。随着便携式设备使用的迅速增加,具有最佳性能水平的电路设计变得至关重要。本文采用门扩散输入(GDI)技术和静态CMOS (S-CMOS)逻辑,设计了一种新的二位幅度比较器。为了确定性能方面,所提出的电路在Cadence Virtuoso环境中实现和模拟。该算法的传输延迟为0.212 ns,平均功率为7.801 uW。为了对算法进行比较,利用Cadence软件对现有的2位幅度比较器进行了仿真。在所有的仿真案例中都采用了电源电压为1.0 V的90nm技术。仿真结果表明,本文提出的幅度比较器在各性能方面都有显著的提高。
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引用次数: 0
期刊
2023 3rd International Conference on Robotics, Electrical and Signal Processing Techniques (ICREST)
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