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2020 8th International Conference on Intelligent and Advanced Systems (ICIAS)最新文献

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Domestic Electrical Energy Monitoring and Alerting Using SCADA and IoT 基于SCADA和物联网的家用电能监测与报警
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642519
Ching Yee Yong, K. Hamid, Jung Heng Chieng
SCADA stands for Supervisory Control and Data Acquisition. It helps industrials to control process remotely, monitor the real time data, interact directly with transmitter, control valves, motor through human interface technology and lastly to record data. Most of the SCADA system was installed for industrial automation. In housing distribution switchboard (DB), it is not common to install SCADA system. A DB with SCADA system that is capable to collect and transmit data to the control unit such as personal computer (PC) or smartphone and further remote control was proposed. Since it is dangerous when there is sudden cut-off of power supply of the main switch. Some user may face difficulty to re-activate the circuit breaker or main switch. The main objective is to integrate the serial communication between the IoT and the control unit. The fault alarm message will be sent to user when there is fault. The first domestic system for electrical energy monitoring by remote controlling using SCADA and human machine interface was developed. The main component of the proposed system is Arduino Uno, 8 channels relay module, miniature circuit breaker (MCB), auto manual AC contactor, and switch mode power supply (SMPS). Main supply is from the AC voltage 240V to the switchboard. The main switch is connected to the auto manual AC contactor for the auto and manual control of the electrical flow. A smart domestic switchboard was designed with the function of sending out the fault alarm message when overload (over current) happened. The proposed system is reliable, safer, environmentally sound and achieved 80% of accuracy for notification sent out and 100% of tripped if overload was detected.
SCADA代表监控和数据采集。它帮助工业远程控制过程,监控实时数据,通过人机界面技术直接与变送器,控制阀,电机进行交互,最后记录数据。大多数SCADA系统是为工业自动化而安装的。在住宅配电配电盘中,安装SCADA系统并不常见。提出了一种具有SCADA系统的数据库,该系统能够收集数据并将数据传输到个人计算机或智能手机等控制单元,并进一步实现远程控制。因为总开关突然断电是很危险的。有些用户在重新启动断路器或总开关时可能会遇到困难。主要目标是集成物联网和控制单元之间的串行通信。当发生故障时,将故障告警信息发送给用户。研制了国内首个基于SCADA和人机界面的电能远程监控系统。该系统的主要组成部分是Arduino Uno、8通道继电器模块、微型断路器(MCB)、自动手动交流接触器和开关模式电源(SMPS)。主电源是从交流电压240V到配电板。主开关与自动手动交流接触器连接,用于自动和手动控制电流。设计了一种具有过载(过流)报警功能的智能家用配电板。该系统可靠、安全、环保,发出通知的准确率达到80%,检测到过载时跳闸率达到100%。
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引用次数: 0
Fractional Stochastic Gradient Descent Based Learning Algorithm For Multi-layer Perceptron Neural Networks 基于分数阶随机梯度下降的多层感知器神经网络学习算法
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642687
A. Sadiq, N. Yahya
Neural Networks are indispensable tools in adaptive signal processing. Multi-layer perceptron (MLP) neural network is one of the most widely used neural network architecture. The performance is highly subjective to the optimization of learning parameters. In this study, we propose a learning algorithm for the training of MLP models. Conventionally back-propagation learning algorithm also termed as (BP-MLP) is used. It is a type of stochastic gradient descent algorithm where performance is governed by eigen spread of the input signal correlation matrix. In order to accelerate the performance, we design a combination of integral and fractional gradient terms. The proposed fractional back-propagation multi-layer perceptron (FBP-MLP) method is based on fractional calculus and it utilizes the concept of fractional power gradient which provides complementary information about the cost function that helps in rapid convergence. For the validation of our claim, we implemented leukemia cancer classification task and compared our method with standard BPMLP method. The proposed FBP-MLP method outperformed the conventional BP-MLP algorithm both in terms of convergence rate and test accuracy.
神经网络是自适应信号处理中不可缺少的工具。多层感知器(MLP)神经网络是应用最广泛的神经网络结构之一。性能对学习参数的优化具有高度的主观性。在本研究中,我们提出了一种用于MLP模型训练的学习算法。传统上使用的是反向传播学习算法(BP-MLP)。它是一种随机梯度下降算法,其性能由输入信号相关矩阵的特征扩展决定。为了提高性能,我们设计了积分梯度项和分数梯度项的组合。所提出的分数阶反向传播多层感知器(FBP-MLP)方法基于分数阶微积分,并利用分数阶幂梯度的概念,该概念提供了关于代价函数的补充信息,有助于快速收敛。为了验证我们的说法,我们实施了白血病癌症分类任务,并将我们的方法与标准BPMLP方法进行了比较。本文提出的FBP-MLP方法在收敛速度和测试精度方面都优于传统的BP-MLP算法。
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引用次数: 0
2-D Modes Analysis of Micro-Ring Resonator: In case of chemical vapor sensing 微环谐振器的二维模态分析:用于化学蒸汽传感
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642688
H. Ramza, Emas Fiqry Nurdwiprasetio, Aditya Ervansyah, Sugianto, Saeed Salem Bahashwan, M. Khir
This paper describes 2-D modes analysis on the waveguide structure. Micro-Ring Resonator formation was simulated to able the chemical vapor detection by using COMSOL Multiphysics application. We present the simulation of mode analysis from a Micro-ring Resonator as sensing the chemical vapor. By implementing the device parameters. We have seen from the simulator that the optical mode is handled equally within the ring. Using the variation of effective refractive index, our simulator result of ring resonator generated the mode analysis in two-dimension perspective. We conclude that the ring resonator device has potential for generating the certain wavelength.
本文对波导结构进行了二维模态分析。利用COMSOL Multiphysics软件模拟了微环谐振腔的形成,实现了化学蒸汽的探测。本文提出了用微环谐振器对化学蒸汽进行模态分析的模拟。通过实现设备参数。我们从模拟器中看到,光学模式在环内被平等地处理。利用有效折射率的变化,我们的环形谐振器仿真结果产生了二维角度的模态分析。我们得出结论,环形谐振器装置具有产生一定波长的潜力。
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引用次数: 0
Identification of Epileptic Seizures using Autoencoders and Convolutional Neural Network 使用自编码器和卷积神经网络识别癫痫发作
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642570
P. Divya, B. Aruna Devi, Srinivasan Prabakar, K. Porkumaran, R. Kannan, N. M. Nor, I. Elamvazuthi
Contemporary application of machine learning has paved a way for the medical diagnosis automation without any manual intervention. Once such application is early deduction of the epileptic seizures. Earlier identification of seizures aids specialists towards diagnosis. This paper analyzes on the detection of EEG epileptic seizures using Autoencoders, Convolutional Neural Network (CNN), and a multi class Stacked Autoencoder-CN model. These prediction models were analyzed on the intracranial EEG data set from15 real time patients, CHB-MIT dataset and P300 dataset. The results in python, proved for Stacked Autoencoder-Convolution Neural (SAE-CN) model to give optimum and effective solution in terms of higher speed and reduction in training time of the classifier and better probability of 0.925. This analysis proposes the idea of pre-prepared systems for other EEGrelated applications.
机器学习的当代应用为无需人工干预的医疗诊断自动化铺平了道路。一旦这样应用是癫痫发作的早期推断。早期发现癫痫发作有助于专家做出诊断。本文分析了利用自编码器、卷积神经网络(CNN)和多层堆叠自编码器-神经网络模型检测脑电图癫痫发作的方法。这些预测模型分别在15例实时患者的颅内脑电图数据集、CHB-MIT数据集和P300数据集上进行分析。python实验结果证明,对于Stacked Autoencoder-Convolution Neural (SAE-CN)模型,在分类器训练速度更快、训练时间更短、概率为0.925的情况下,给出了最优有效的解决方案。这种分析提出了为其他与eegreated相关的应用程序预先准备系统的想法。
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引用次数: 1
High-Efficiency Inductive Charging For High Frequency Wireless Power Transfer 高频无线电力传输的高效感应充电技术
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642545
F. E. Chinda, C. Sovuthy, M. Begam
This paper aims to demonstrate the design which improves the performance of RF Wireless Power Transfer (WPT) and charging system on the ground which can extend the charging voltage up to S.5 V and 12V for the transmitter to emit a low-power radio waves at the frequency of 500 MHz to 900 MHz the efficiency of 93% and the resonant frequency of 700 MHz at the surrounding space diameter of 300 mm are obtained.
本文旨在展示一种提高地面射频无线电源传输(WPT)和充电系统性能的设计,该设计可将充电电压扩展到S.5 V和12V,使发射机发射500 ~ 900 MHz频率的低功率无线电波,效率为93%,周围空间直径为300 mm时的谐振频率为700 MHz。
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引用次数: 0
Design & Simulation of Waveguide Filter for 5G Application 5G波导滤波器的设计与仿真
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642678
J. Tan, S. Cheab, G. S. Ng, S. Soeung
With the increasing demand of high-speed wireless communication, filter design plays an important role in selecting the targeted frequency spectrum to support higher data rates. This paper presents dual-mode waveguide filter with the aim to minimize the size of filter by having two modes in one single resonator and at the same time maintaining its performance in terms of losses and power handling capability. The filer is realized based on fourth-order Chebyshev polynomial. For demonstration, a dual-mode circular waveguide filter operated in 3.9 GHz is designed and simulated using the ANSYS High Frequency Structure Simulator (HFSS) software. It depicts a low passband insertion loss of 0.14 dB, good return loss performance of 15.11 dB within the passband and 30 dB of stopband rejection at 3.4 GHz, with all four transmission poles are observed within the passband. Both theoretical and simulation response are in good agreement with each other.
随着高速无线通信需求的不断增加,滤波器设计在选择目标频谱以支持更高的数据速率方面起着重要作用。本文提出了一种双模波导滤波器,其目的是通过在一个谐振腔中具有两个模式来减小滤波器的尺寸,同时保持其在损耗和功率处理能力方面的性能。该滤波器是基于四阶切比雪夫多项式实现的。为了验证这一点,设计了一个工作频率为3.9 GHz的双模圆波导滤波器,并利用ANSYS高频结构模拟器(HFSS)软件进行了仿真。它具有0.14 dB的低通带插入损耗,良好的通带内回波损耗为15.11 dB, 3.4 GHz时阻带抑制性能为30 dB,并且在通带内观察到所有四个传输极。理论响应和仿真响应吻合较好。
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引用次数: 0
Power Quality Improvement Using UPQC for Grid Interconnected Renewable Energy Sources 利用UPQC改善并网可再生能源电能质量
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642647
R. Kannan, Bharanidharan Krishnan, Karantaraj Porkumaran, Srinivasan Prabakar, I. Elamvazuthi, Krishnamurthy Srinivasan
In most of the renewable energy sources power electronics devices are incorporated which introduce harmonics in grid connected system. In this paper, renewable energy sources are interconnected to grid by means of smart voltage source inverter which reduces harmonics. The main objective of this proposed work is to reduce Total Harmonic Distortion (THD). The smart voltage source inverter using Unified Power Quality Conditioner (UPQC) injects the power to the grid from photovoltaic sources to compensate reactive power demand. The effectiveness of the proposed schemes is demonstrated using MATLAB Simulink and provides better THD of grid connected Photovoltaic UPQC (PVUPQC).
在大多数可再生能源中都加入了电力电子装置,这些装置在并网系统中引入了谐波。本文采用智能电压源逆变器将可再生能源接入电网,降低了电网的谐波。这项工作的主要目的是减少总谐波失真(THD)。采用统一电能质量调节器(UPQC)的智能电压源逆变器将光伏电源的电能注入电网,以补偿无功需求。通过MATLAB Simulink验证了所提方案的有效性,为并网光伏UPQC (PVUPQC)提供了较好的THD。
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引用次数: 0
Responsivity of Fluxgate Sensing Element Under Different Excitation Conditions 磁通门传感元件在不同激励条件下的响应性
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642605
M. Elkattan, H. Mostafa, A. Khalil
Fluxgate magnetic sensors measure weak magnetic fields in the range of 0.01nT to 1mT. They are one of the most used sensors in a wide range of applications because of their advantages over other types of sensors in a certain area of measured intensities and frequencies. The principle of operation of Fluxgate magnetometers is based on manipulating a nonlinear magnetic material as the sensing element to measure the strength of a surrounding dc or low-frequency ac magnetic field. During fluxgate design, the magnetic core is the most important element that determines the performance of the sensor. In this paper, evaluation of the response of the fluxgate core is done through numerical simulations under variable operating conditions. The fluxgate core is modeled using finite element method to involve the nonlinear hysteretic characteristics of the core into the conducted simulations. Thus, the proposed model helps to produce more reliable results about the behavior of the fluxgate sensing element. Furthermore, several simulations were conducted in this paper to provide a performance map for the fluxgate core that will help designers to choose the best operation conditions for the desired design.
磁通门磁传感器测量0.01nT到1mT范围内的弱磁场。由于它们在测量强度和频率的特定区域比其他类型的传感器具有优势,因此它们是广泛应用中使用最多的传感器之一。磁通门磁强计的工作原理是基于操纵非线性磁性材料作为传感元件来测量周围直流或低频交流磁场的强度。在磁通门设计中,磁芯是决定传感器性能的最重要的元件。本文通过数值模拟对磁通门铁心在不同工况下的响应进行了评价。采用有限元法对磁通门磁芯进行建模,将磁通门磁芯的非线性滞回特性纳入到仿真中。因此,所提出的模型有助于对磁通门传感元件的行为产生更可靠的结果。此外,本文还进行了几次仿真,以提供磁通门铁心的性能图,帮助设计人员选择理想设计的最佳工作条件。
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引用次数: 0
DR-Net with Convolution Neural Network 基于卷积神经网络的DR-Net
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642615
A. B. Aujih, M. I. Shapiai, F. Mériaudeau, T. Tang
Deep learning had become the leading methodology for detecting diabetic retinopathy (DR) from fundus images. Given a large samples of fundus images with labelled medical condition i.e., diabetic retinopathy, an efficient convolution neural network (CNN) classifier can be trained. Progress had been made previously by researchers to developed a good automatic detection of DR using deep learning architecture like convolution neural network (CNN). However, previously proposed architecture for detecting DR (DR-Net) are mainly based on previous architecture developed for natural images. Not much attention had been given on configuring DR-Net hyper-parameter i.e., depth. This paper developed a new CNN-based DR-Net architecture from scratch to detect referable diabetic retinopathy (rDR) from fundus images. This paper also report analysis of different number of DR-Net’s depth configuration. Compare to previous work on DR-Net, proposed architecture is simpler in terms of number of network layers while maintaining a considerably good performance.
深度学习已经成为从眼底图像中检测糖尿病视网膜病变(DR)的主要方法。给定大量带有标记医疗状况的眼底图像样本,例如糖尿病视网膜病变,可以训练出有效的卷积神经网络(CNN)分类器。研究人员此前已经取得了进展,利用卷积神经网络(CNN)等深度学习架构开发了一种良好的DR自动检测。然而,之前提出的DR检测体系结构(DR- net)主要是基于之前针对自然图像开发的体系结构。对DR-Net超参数即深度的配置没有给予太多关注。本文从无开始开发了一种新的基于cnn的DR-Net架构,用于从眼底图像中检测可参考糖尿病视网膜病变(rDR)。本文还对不同数量的DR-Net深度配置进行了分析。与以前在DR-Net上的工作相比,所提出的体系结构在网络层数量方面更简单,同时保持了相当好的性能。
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引用次数: 0
Balancing a Rotary Double Inverted Pendulum using Two-loops Adaptive Controller based on Dynamic Inversion Technique 基于动态反演技术的双环自适应控制器平衡旋转式双倒立摆
Pub Date : 2021-07-13 DOI: 10.1109/ICIAS49414.2021.9642673
Mohd Heidir Mohd Shah, I. Mehedi, U. Al-Saggaf, A. H. Milyani, N. Saad, N. Yahaya
Balancing control of a double inverted pendulum is a great challenge as it is an unstable and non-linear system that requires fast control reaction. In this paper, a dynamic inversion controller is proposed for balancing control of a rotary double inverted pendulum system. The controller consists of two loops where the outer loop is responsible for generating desired position command while the inner loop takes the command to produce the actual control action. The robustness of the controller is added by the introduction of the sliding surface vector function. The effectiveness of the proposed controller is investigated through numerical simulations with two other types of controllers that are also tested for comparison purposes. The results prove that the proposed controller capable of balancing the rotary double inverted pendulum under the influence of disturbances, while comparisons with Sliding Mode Controller (SMC) and Linear Quadratic Regulator (LQR) in various scenarios suggested that the proposed controller was the most consistent controller as opposed to the other two.
由于双倒立摆是一个不稳定的非线性系统,需要快速的控制反应,其平衡控制具有很大的挑战性。本文提出了一种动态逆控制器,用于旋转双倒立摆系统的平衡控制。控制器由两个环组成,其中外环负责生成期望的位置命令,而内环则负责生成实际控制动作的命令。通过引入滑动面矢量函数,增加了控制器的鲁棒性。通过与另外两种类型的控制器的数值模拟来研究所提出的控制器的有效性,这些控制器也进行了测试以进行比较。结果表明,所提出的控制器能够在扰动影响下平衡旋转双倒立摆,而与滑模控制器(SMC)和线性二次型调节器(LQR)在各种场景下的比较表明,所提出的控制器与其他两种控制器相比是最一致的控制器。
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引用次数: 0
期刊
2020 8th International Conference on Intelligent and Advanced Systems (ICIAS)
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