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2018 9th IEEE Control and System Graduate Research Colloquium (ICSGRC)最新文献

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Computer Motherboard Component Recognition Using Texture and Shape Features 利用纹理和形状特征识别计算机主板组件
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657579
Nurbaity Sabri, Mahfuzah Mukim, Z. Ibrahim, Noraini Hasan, Shafaf Ibrahim
In this modernized era, computer visualization is a powerful means to discover. It is used in translating from visual into digital information, analog to digital signal, and to name a few. A computer motherboard refers to a circuit board that holds the essential processing parts of a computer. Every part of the component has its own purpose, either to communicate with other component or to receive power. However, the components on a motherboard are difficult to detect due to the similarity and complexity of the design. Thus, a study of computer motherboard component recognition using a combination of texture and shape features is presented. The Gray Level Co-occurrence Matrices (GLCM) and Connected Region were implemented as the features extraction techniques. On the other hand, the classification is performed using a technique of Support Vector Machine (SVM). The computer motherboard components are classified into four components which are chipset, CPU socket, expansion slot, and memory slot. From the testing conducted, it is observed that 90% overall mean of recognition accuracy is achieved which proved that the proposed techniques are applicable for the computer motherboard component recognition.
在这个现代化的时代,计算机可视化是一种强大的发现手段。它用于将视觉信息转换为数字信息,将模拟信号转换为数字信号等等。计算机主板是指容纳计算机基本处理部件的电路板。组件的每个部分都有自己的用途,要么与其他组件通信,要么接收电源。然而,由于设计的相似性和复杂性,主板上的组件很难检测。因此,本文提出了一种结合纹理和形状特征的计算机主板部件识别方法。采用灰度共生矩阵(GLCM)和连通区域作为特征提取技术。另一方面,使用支持向量机(SVM)技术进行分类。计算机主板组件分为芯片组、CPU插槽、扩展插槽和内存插槽四个组件。测试结果表明,该方法的识别准确率达到90%,证明该方法适用于计算机主板部件识别。
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引用次数: 3
Usability Features for Arabic Assistive Technology for Dyslexia 阿拉伯语阅读障碍辅助技术的可用性特征
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657536
Balqees Aldabaybah, S. Jusoh
Dyslexia is a common type of language disability which results in difficulty with reading, writing, spelling, word comprehension, math and communication, all skills which are necessary for understanding language. Assistive technology is seen as a great tool to build individual strength and improve academic achievements among dyslexia students. However, studies on designing and developing tools to support dyslexics in Arabic are very limited. The main issue in any kind of computer applications including an assistive technology is usability. The aim of this paper is to propose a set of required usability features for the Arabic assistive technology. The presented work consists of two steps. Step one identify the required features by conducting experiments on normal educational technologies and gain feedback from dyslexia students. Step two consider the development of a low-fidelity prototype and its evaluation. The experiments were conducted in two types of participants (dyslexics and normal students) to extract the usability features. Features extracted regards feedback, accessibility, navigation, representative icons and menus.
阅读障碍是一种常见的语言障碍,它会导致阅读、写作、拼写、单词理解、数学和交流方面的困难,这些都是理解语言所必需的技能。辅助技术被视为一个伟大的工具,以建立个人力量和提高学习成绩的困难学生。然而,设计和开发支持阿拉伯语阅读障碍的工具的研究非常有限。包括辅助技术在内的任何类型的计算机应用程序的主要问题是可用性。本文的目的是为阿拉伯语辅助技术提出一套所需的可用性特征。所提出的工作包括两个步骤。第一步,通过在正常的教育技术上进行实验来确定所需的特征,并从阅读障碍学生那里获得反馈。第二步考虑低保真原型的开发及其评估。实验以两种类型的被试(阅读障碍和正常学生)为对象,提取可用性特征。提取的功能包括反馈、可访问性、导航、代表性图标和菜单。
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引用次数: 13
Braille Image Recognition for Beginners 盲文图像识别初学者
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657490
Shafaf Ibrahim, Nor Azrin Tarmizi, Nurbaity Sabri, Nur Farahin Mohd Johari, A. F. Ahmad Fadzil
Braille is a tactile that consists of dots which is used by visually impaired people in reading. Braille pattern of alphabet consists of its own pattern in which some of it does not even relate to the alphabet. Thus, it is difficult for normal people to detect and recognize the braille pattern. This paper presents a study of braille image recognition for beginners. The outcome of this study is expected to translate a braille image patterns into a readable alphabet text. A technique of Bag of Features (BOF) is proposed for the recognition of the braille image. On the other hand, the image classification is done using a Support Vector Machine (SVM) technique. Seventy-eight of braille images is tested. From the testing performed, it is found that 97.44% of correct recognition accuracy is achieved which revealed that the proposed techniques are applicable for braille image recognition.
盲文是一种由点组成的触觉,是视障人士在阅读时使用的。盲文字母模式由其自己的模式组成,其中一些模式甚至与字母无关。因此,普通人很难检测和识别盲文图案。本文介绍了一种面向初学者的盲文图像识别方法。这项研究的结果有望将盲文图像模式翻译成可读的字母文本。提出了一种基于特征包的盲文图像识别技术。另一方面,使用支持向量机(SVM)技术对图像进行分类。测试了78张盲文图像。测试结果表明,该方法的识别正确率达到97.44%,表明该方法适用于盲文图像识别。
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引用次数: 1
RRUs and RF Combining Circuit Sharing Solution for Sites with Space Constraint 空间受限站点的rru和RF结合电路共享解决方案
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657500
M. Mohamad, Mohd Yusdee Yusoff, S. S. Sarnin, N. F. Naim
Base station network infrastructure cost continues to be among the biggest CAPEX for mobile operators. One of the options to optimize the cost is by sharing the infrastructure with other operators. Elements which can be considered for sharing are structure space for antennas, equipment space for radio equipment and incoming power supply. Radio equipment will take up more than half of the space at site. And among the radio equipment installed at site, Remote Radio Unit (RRU) is the unit which usually occupies the biggest space due to the quantity of items which are, physically heavy and bulky, multiple based on technology deployed and they generate a lot of heat. This proposal will provide one of the RRUs sharing solution for sites with space constraints but need to accommodate a high number of RRUs and accessories.
基站网络基础设施成本仍然是移动运营商最大的资本支出之一。优化成本的方法之一是与其他运营商共享基础设施。可考虑共享的要素有天线的结构空间、无线电设备的设备空间和进线电源。无线电设备将占据现场一半以上的空间。而在现场安装的无线电设备中,远程无线电设备(RRU)通常是占用空间最大的设备,因为设备的数量很大,体积很大,根据部署的技术,它们会产生大量的热量。该方案将为空间有限但需要容纳大量rru和附件的站点提供一种rru共享解决方案。
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引用次数: 0
BER Comparison of OFDM with M-QAM Modulation Scheme of AWGN and Rayleigh Fading Channels AWGN和瑞利衰落信道下OFDM与M-QAM调制方案的误码率比较
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657503
A. Farzamnia, Ngu War Hlaing, M. Mariappan, M. K. Haldar
The wireless channel environment is critical to develop wireless communication. In Quadrature Amplitude Modulation (QAM), the constellation points are in square grid with equal vertical and horizontal spacing. Because of higher order modulation formats, more bit per symbol can be transmitted. M-QAM is the efficient digital modulation method because of its higher constellation points. In this paper, the Bit Error Rate (BER) performance of Orthogonal Frequency Division Multiplexing (OFDM) systems and different arrays of QAM (4, 8, 16, and 64-QAM) modulation techniques has been compared under the Rayleigh fading and Additive White Gaussian Noise (AWGN) channels. All the simulations are carried out in MATLAB. The investigation results shows that the Quadrature Phase Shift Keying (QPSK) modulation scheme gives the best performance in term of BER in OFDM system compared to the M-QAM modulation scheme.
无线信道环境是无线通信发展的关键。在正交调幅(QAM)中,星座点在垂直和水平间距相等的正方形网格中。由于采用了高阶调制格式,每个符号可以传输更多的比特。M-QAM具有较高的星座点,是一种高效的数字调制方法。本文比较了正交频分复用(OFDM)系统和不同QAM(4、8、16和64-QAM)调制技术阵列在瑞利衰落和加性高斯白噪声(AWGN)信道下的误码率(BER)性能。所有的仿真都在MATLAB中进行。研究结果表明,在OFDM系统中,与M-QAM调制方案相比,正交相移键控(QPSK)调制方案具有最好的误码率。
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引用次数: 16
Performance Comparison of Active Suspension for Ride Comfort Using Linear Quadratic Regulator (LQR) and Fuzzy Logic Controller (FLC) 线性二次型调节器(LQR)与模糊控制器(FLC)的平顺性主动悬架性能比较
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657528
M. H. Harun, A'zraa Afhzan Ab. Rahim, Ili Shairah Abdul Halim, N. E. Abdullah
The main purpose of a suspension is to reduce the vibration that occurs when driving on the road. However, this vibration still exists in passive suspension which contain high frequency causing reduced ride comfort and driveability. Besides that, the effects of using passive suspension can also cause damage to certain components of a car when passing through holes on the road and when there is a high bump. To overcome this problem, a comparison has been made based on the performance between passive suspension, Linear Quadratic Regulator (LQR) and Fuzzy logic Controller (FLC) that used specific model parameters based on previous studies. This investigation focusses on two-degree of freedom (DOF) quarter car suspension using the MATLAB / SIMULINK toolbox. Several road profiles were used, and analysis based on car body displacement, car body acceleration, suspension travel and space rattle were carried out. The result of the analysis shows that both controllers can reduce vibration. However, FLC provides the best performance compared to LQR.
悬架的主要目的是减少在道路上行驶时产生的振动。然而,这种振动在被动悬架中仍然存在,它含有高频率,导致乘坐舒适性和驾驶性能降低。除此之外,使用被动悬架的效果也会对汽车的某些部件造成损坏,当通过道路上的洞和当有一个高颠簸。为了克服这一问题,在前人研究的基础上,对被动悬架、线性二次型调节器(LQR)和模糊逻辑控制器(FLC)使用特定模型参数的性能进行了比较。本文利用MATLAB / SIMULINK工具箱对四分之一汽车二自由度悬架进行了研究。采用几种道路剖面,进行了基于车身位移、车身加速度、悬架行程和空间振动的分析。分析结果表明,两种控制器都能有效地减小振动。然而,与LQR相比,FLC提供了最好的性能。
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引用次数: 4
Offline LabView-based EEG Signals Analysis for Human Stress Monitoring 基于labview的离线脑电信号分析在人体应激监测中的应用
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657606
N. Sulaiman, Beh See Ying, M. Mustafa, M. Jadin
Stress is often known as a state of mental or emotional tension resulting from adverse circumstances. Consequently, people nowadays are facing stress where different people will have a different level of stress. Hence, EEG technology is invented to assist people to determine the level of stress by using brain signals. This paper describes the development of a LabVIEW-based system that can determine the level of stress based on the analysis of brain signals in LabView. In this study, 1-channel EEG amplifier is employed to record EEG signals from five subjects at three different cognitive states which are closed eyes (do nothing), playing game and doing IQ test. The eegID application in mobile phone is used to capture recorded EEG signals from EEG amplifier and then the captured EEG signals are analysed in LabView. The result shows that the average centroid which was applied on the EEG Power Spectrum of Alpha band is higher than Beta band when the subject is at relax cognitive state meanwhile the average centroid of EEG Power Spectrum of Beta band is higher than Alpha band when the subject is at stress cognitive state. Thus, it can be concluded that the subject are in the stress cognitive state when playing game and doing IQ test. At the end of this project, the LabVIEW Graphical User Interface (GUI) is created to display the level of stress for each subject after undergoing several mental exercises. Beside LabViewGui, a device is constructed to display the level of stress in offline manner.
压力通常被认为是由不利环境导致的精神或情绪紧张状态。因此,现在的人们面临着压力,不同的人会有不同程度的压力。因此,人们发明了脑电图技术,利用大脑信号来帮助人们确定压力水平。本文介绍了一个基于LabView的系统的开发,该系统可以根据LabView对大脑信号的分析来确定压力水平。本研究采用1通道脑电放大器记录5名被试在闭眼(不做任何事)、玩游戏和做智商测试三种不同认知状态下的脑电信号。利用eegID在手机上的应用,从脑电信号放大器捕获记录的脑电信号,然后在LabView中对捕获的脑电信号进行分析。结果表明:受试者处于放松认知状态时,Alpha波段脑电功率谱的平均质心高于Beta波段;受试者处于紧张认知状态时,Beta波段脑电功率谱的平均质心高于Alpha波段。由此可见,被试在玩游戏和做智商测试时处于应激认知状态。在本项目结束时,创建了LabVIEW图形用户界面(GUI)来显示每个受试者在进行几次心理练习后的压力水平。除了LabViewGui之外,还构建了一个以离线方式显示应力水平的设备。
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引用次数: 11
DC-DC q-ZSC with Buck-Boost Converter Gain Buck-Boost变换器增益的DC-DC q-ZSC
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657553
Muhammad Ado, A. Jusoh, Mohd Junaidi Abdul Aziz, M. Kermadi, A. U. Mutawakkil
In this paper, a DC-DC buck-boost converter (BBC) based on the quasi Z-source converter (q-ZSC) topology is proposed. The converter is classified as buck-boost because their gains are the same. It is also classified as an impedance source converter (ISC) because it is based on q-ZSC topology. These shared properties of the buck-boost and q-ZSC gives it advantages over each of these two converters. The gain curve gives it advantages over a corresponding regular q-ZSC because for a given duty ratio, it has a higher gain, while it's topology edge it over a corresponding BBC thus permitting higher frequency operation, elimination of dead time, shoot-through effects etc. MATLAB/SIMULINK was used to compare its performance and corresponding BBC for a buck mode and boost mode operation. The simulation results show that their responses are very much similar.
本文提出了一种基于准z源变换器(q-ZSC)拓扑结构的DC-DC降压-升压变换器(BBC)。转换器被分类为降压升压,因为它们的增益是相同的。它也被归类为阻抗源转换器(ISC),因为它是基于q-ZSC拓扑。buck-boost和q-ZSC的这些共享特性使其优于这两个转换器中的每一个。增益曲线使其优于相应的常规q-ZSC,因为对于给定的占空比,它具有更高的增益,而它的拓扑边缘超过相应的BBC,从而允许更高的频率操作,消除死区时间,穿透效应等。在降压模式和升压模式下,用MATLAB/SIMULINK对其性能和相应的BBC进行了比较。仿真结果表明,它们的响应非常相似。
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引用次数: 6
Empirical Investigation of RRIM Clone Series Identification Based on Visible Spectrum Using Spectrometer 基于可见光谱的RRIM克隆系列鉴定的实证研究
Pub Date : 2018-08-01 DOI: 10.1109/ICSGRC.2018.8657539
Kamal A'riffin Wan Mahzan, N. E. Abdullah, N. K. Madzhi, IIi Shairah Abdul Halim, Siti Lailatul, M. Hassan
According to the rapidity of rubber tree sector, the demand of rubber manufacturing product is rising and expected to continue increase all over the world. Thus, the identification of rubber tree clone is important in order to increase the productivity of latex and it is going to be large investment for farmer in rubber tree plantation. There are at least five RRIM clone that have been selected according to Malaysia Rubber Board suggestion. The characteristic of these clones will be examined based on its visible light spectrum properties using MCS 600 spectrometer. Then, the inference analysis of the relationship between color spectrum properties of rubber tree clones and latex are obtained statistically in this work. Therefore, the outcomes of this work have concluded that the proposed technique is able to use for differentiate various rubber tree clones.
根据橡胶业的快速发展,世界各地对橡胶制品的需求正在上升,预计将继续增长。因此,橡胶树无性系的鉴定对提高胶乳产量具有重要意义,将成为橡胶树种植业的一项重大投资。根据马来西亚橡胶委员会的建议,至少有五个RRIM克隆被选中。利用mcs600光谱仪对这些克隆的可见光谱特性进行分析。在此基础上,对橡胶树无性系与乳胶的色谱特性进行了统计推理分析。因此,本工作的结果表明,所提出的技术能够用于区分不同的橡胶树无性系。
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引用次数: 0
期刊
2018 9th IEEE Control and System Graduate Research Colloquium (ICSGRC)
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