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2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA)最新文献

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Classification of ECG signals of normal and abnormal subjects using common spatial pattern 利用共同空间模式对正常与异常受试者的心电信号进行分类
Latifah M. Aljafar, T. Alotaiby, Rand R. Al-Yami, S. Alshebeili, J. Zouhair
In this paper, an ECG signal classification method is presented to classify multi-lead ECG signals into normal and abnormal classes using Common Spatial Pattern (CSP) as the feature extraction algorithm. The method consists of two main stages: CSP-based feature extraction and classification. After segmenting the signal into non-overlapping segments, each segment is projected onto a CSP projection matrix to extract the training and testing feature vectors. These vectors are used in the classification stage. In this study, three classifiers — linear discriminant analysis (LDA), naive Bayes (NB), and support vector machine (SVM)—were used. The proposed approach was evaluated using 104 subjects' recordings (52 normal and 52 abnormal) from the Physikalisch-Technische Bundesanstalt (PTB) dataset. The three classifiers achieved accuracy rates of 80.65%, 84%, and 100%, respectively.
本文提出了一种利用公共空间模式(CSP)作为特征提取算法,将多导联心电信号分为正常和异常两类的心电信号分类方法。该方法主要包括两个阶段:基于csp的特征提取和分类。将信号分割成不重叠的片段后,将每个片段投影到CSP投影矩阵中,提取训练和测试特征向量。这些向量用于分类阶段。本研究使用了线性判别分析(LDA)、朴素贝叶斯(NB)和支持向量机(SVM)三种分类器。使用来自物理-技术-联邦数据集(PTB)的104名受试者记录(52名正常和52名异常)对所提出的方法进行了评估。这三种分类器的准确率分别为80.65%、84%和100%。
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引用次数: 5
Multilevel inverter operated by voltage orientation control 多电平逆变器由电压方向控制操作
A. Elnady, A. Adam
This paper presents an innovative control scheme for the multilevel inverter that is connected to the power grid as a Distributed Generation unit, DG. The paper demonstrates novel application for the voltage orientation control, also called voltage vector control, so as to precisely control active and reactive power injected by the distributed generation units in a normal operation of the system, (grid-connected mode), and it works as a voltage source in an islanding mode. The adopted topology for the DG is the diode clamped multilevel inverter structure in order to minimize the injected harmonics and get rid of a sophisticated passive filter. The utilization of the voltage vector control scheme is optimized so that the DG unit can precisely control the instantaneous power injected to the power grid. The presented simulation results verify the capability of the suggested control to precisely adjust the active and reactive power based on set-values.
本文提出了一种创新的多电平逆变器控制方案,该方案作为分布式发电机组(DG)接入电网。本文论证了电压定向控制的新应用,即电压矢量控制,在系统正常运行(并网模式)时,精确控制分布式发电机组注入的有功和无功功率,并在孤岛模式下作为电压源。DG采用的拓扑结构是二极管箝位的多电平逆变器结构,以尽量减少注入谐波并摆脱复杂的无源滤波器。优化了电压矢量控制方案的利用,使DG机组能够精确控制瞬时注入电网的功率。仿真结果验证了所提控制方法能够根据设定值精确调节有功和无功功率。
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引用次数: 5
Development of a low power robot prototype for cleaning of Linear Fresnel concentrator mirrors 用于清洁线性菲涅耳聚光镜的低功率机器人样机的研制
C. Chen, Zaki Iqbal
Middle East and North Africa (MENA) region experiences very harsh weather condition mainly as it comes to dust and humidity. Structural errors, dust deposition, tracking errors are some of the parameters that needs to be analyzed to evaluate the sensitivity of the energy yield [1]. Dust and humidity are one of the environmental factors. The effect of these conditions can adversely affect the efficiency of the solar based system, most importantly the concentrated solar power system which relies on the reflection of the light on the line or point focal point. Hence soiling for the reflectors can hugely effect the overall viability of the technology in this region. This study aims to achieve it by carrying out a detailed study of effect of dust and its composition. Further the use of combination of methods available in the market to mitigate them. Finally conceive the design based on the initial tests and approaches to make the cleaning robot for the Linear Fresnel concentrated Mirror.
中东和北非(MENA)地区经历了非常恶劣的天气条件,主要是灰尘和湿度。结构误差、粉尘沉降、跟踪误差是评价产能灵敏度时需要分析的一些参数[1]。灰尘和湿度是环境因素之一。这些条件的影响会对太阳能系统的效率产生不利影响,最重要的是依赖于光在线或点焦点上的反射的聚光太阳能系统。因此,对反射器的污染会极大地影响该技术在该地区的整体可行性。本研究旨在通过对粉尘及其成分的影响进行详细的研究来实现这一目标。进一步使用市场上可用的组合方法来减轻它们。最后,在初步试验的基础上,提出了制作直线菲涅耳浓缩镜清扫机器人的设计方案。
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引用次数: 2
Design of decentralized street LED light dimming system 分散式路灯LED调光系统设计
H. Attia, Amjad Omar, Maen Takruri
To reduce power consumption due to street lighting, we propose replacing conventional power consuming High Pressure Sodium Lamps and metal Halide lamps with LED lamps which consume much less power. We also propose employing LED light dimming by modifying the light intensity based on the traffic conditions on the road. Most of the dimming systems currently deployed on the streets use computerized and remotely controlled wireless monitoring systems which suffer from complexity, high cost and a response that is dependent on the network data transfer speed. Unlike these systems, we propose, in this paper, a decentralized street LED light dimming system that is installed on each pole and whose dimming action is controlled by the dimming circuit of the pole itself. This yields faster and more reliable response. In addition, the proposed system does not need any additional infrastructure. It is scalable in the sense that it can be used in small or main streets with any number of poles, and flexible in system specifications based on the selection of the coverage distance of the designed motion detector. Simulations show the effectiveness of the proposed system and in saving energy.
为减少路灯的耗电量,我们建议以耗电量少得多的LED灯取代耗电量大的传统高压钠灯及金属卤化物灯。我们还建议采用LED调光技术,根据道路上的交通状况调整灯光强度。目前在街道上部署的大多数调光系统都使用计算机化和远程控制的无线监测系统,这些系统复杂、成本高、响应依赖于网络数据传输速度。与这些系统不同,我们在本文中提出了一种分散的街道LED灯调光系统,该系统安装在每个灯杆上,其调光动作由灯杆本身的调光电路控制。这将产生更快、更可靠的响应。此外,拟议的系统不需要任何额外的基础设施。它具有可扩展性,可以用于具有任意数量的电线杆的小街道或主要街道,并且根据所设计的运动检测器的覆盖距离的选择,在系统规格上具有灵活性。仿真结果表明了该系统的有效性和节能效果。
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引用次数: 14
Automatic water level sensor and controller system 自动水位传感器和控制系统
B. Getu, H. Attia
In this paper, we investigate the design of a water level sensor device that is able to detect and control the level of water in a certain water tank or a similar water storage system. The system firstly senses the amount of water available in the tank by the level detector part and then adjusts the state of the water pump in accordance to the water level information. This electronic design achieves automation through sequential logic implemented using a flip flop. A seven segment display and a relay-based motor pump driving circuit are part of this integrated design. The water pump automatically turns on and starts filling the tank when the water level is empty or level ONE and turned-off and stop filling the tank when water level reaches maximum-level NINE; furthermore, the water pump will remain in its standstill state from level EIGHT down to TWO when the level is decreasing due to water consumption.
在本文中,我们研究了一种水位传感器装置的设计,该装置能够检测和控制某个水箱或类似的储水系统中的水位。系统首先通过液位检测部件感知水箱的可用水量,然后根据水位信息调整水泵的状态。该电子设计通过使用触发器实现的顺序逻辑实现自动化。一个七段显示和一个基于继电器的电机泵驱动电路是这个集成设计的一部分。当水位为空或水位为1时,水泵自动开启并开始向水箱注水,当水位达到最高水位9时,水泵自动关闭并停止向水箱注水;此外,当水位因耗水量下降时,水泵将保持从8级到2级的静止状态。
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引用次数: 34
Design and implementation of low cost multi threaded haptic feedback device 低成本多线程触觉反馈装置的设计与实现
Fawad Ahmad, Tanveer ul Haq, Faraz Akram
This paper presents a novel approach to haptics, as a proof of concept designed a haptic feedback device seven times cheaper than OS (Operating System) based microcontroller. This paper addresses problem in two domains first a haptic feedback device and second multithreaded system on a low-end microcontrollers like PIC (Peripheral Interface Controller). The concept of implementing multithreading system on PIC is a novel approach that is not implemented in past. The circuit of device is simulated on Proteus Design Suite and experimentally verified on actual device after fabrication. Furthermore a protocol is designed to transfer data between host and device known as haptic sequence. This device can be connected to computers and smart phones using USB (Universal Serial Bus) or Bluetooth. It has large number of applications from assistive technologies to medical purposes.
本文提出了一种新的触觉方法,作为概念验证,设计了一种比基于OS(操作系统)的微控制器便宜七倍的触觉反馈设备。本文讨论了两个领域的问题:第一是触觉反馈装置,第二是基于PIC(外设接口控制器)等低端微控制器的多线程系统。在PIC上实现多线程系统的概念是一种过去没有实现过的新方法。制作完成后,在Proteus Design Suite上对器件电路进行了仿真,并在实际器件上进行了实验验证。此外,还设计了一种在主机和设备之间传输数据的协议,称为触觉序列。该设备可以通过USB(通用串行总线)或蓝牙连接到电脑和智能手机。它有大量的应用,从辅助技术到医疗目的。
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引用次数: 0
Multi-classifier decision fusion for enhancing melanoma recognition accuracy 多分类器决策融合提高黑色素瘤识别准确率
Maen Takruri, M. Rashad, H. Attia
This paper proposes an automated non-invasive multi-classifier system for skin cancer (melanoma) detection. The proposed system fuses the results obtained from three classification systems to enhance the melanoma detection rate. All of the classification systems use Support Vector Machine classifier. However, the image feature sets used in each classification system are different. The features sets used are Wavelets and Color features, Curvelets features and Grey Level Co-occurrence Matrices features. The output class labels or class probabilities of the three classification systems are combined using Majority Voting or Averaging Fusion to obtain enhanced classification rates. The dataset used include digital images for benign and malignant skin lesions. Experimental results show that the proposed multi-classifier fusion method outperforms standalone Skin Lesion classification systems in terms of recognition accuracy. Consequently, this can increase the chances of non-invasive melanoma detection from digital images.
本文提出了一种用于皮肤癌(黑色素瘤)检测的自动无创多分类器系统。该系统融合了三种分类系统的结果,以提高黑色素瘤的检出率。所有的分类系统都使用支持向量机分类器。然而,每个分类系统中使用的图像特征集是不同的。使用的特征集有小波和颜色特征、曲波特征和灰度共生矩阵特征。三种分类系统的输出分类标签或分类概率使用多数投票或平均融合进行组合,以获得增强的分类率。使用的数据集包括良性和恶性皮肤病变的数字图像。实验结果表明,所提出的多分类器融合方法在识别精度上优于单独的皮肤病变分类系统。因此,这可以增加从数字图像中检测非侵入性黑色素瘤的机会。
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引用次数: 12
Vehicle safety distance alarming system 车辆安全距离报警系统
H. Attia, Shereen S. Ismail, H. Y. Ali
In this paper, a vehicle safety distance alarming system is proposed especially for disabled drivers who need a clear visually and/or audibly alarm. The proposed system is continuously monitoring the actual speed of host vehicle and the actual distance between host vehicle and front vehicle. The system methodology works on adapting the two parameters values, displaying the adapted values digitally, and comparing and manipulating the actual values with the reference values to produce the necessary alarms in order to avoid or reduce the chance of vehicle accidents. Many engineering solutions are proposed in literature review based on microcontrollers, DSP units, or FPGAs. To avoid complexity, special ICs dependence, and to have quick response, the proposed system design is done based on discrete components, and the design is promising an effective and heavy duty system.
本文提出了一种车辆安全距离报警系统,专门针对需要清晰的视觉和/或声音报警的残疾驾驶员。该系统持续监测主车的实际速度以及主车与前车之间的实际距离。该系统的工作原理是对这两个参数值进行调整,并将调整后的数值以数字方式显示,并将实际值与参考值进行比较和操作,从而产生必要的报警,以避免或减少车辆事故的发生。文献综述中提出了基于微控制器、DSP单元或fpga的许多工程解决方案。为了避免复杂性、对特定集成电路的依赖以及快速响应,提出了基于离散元件的系统设计方案,有望成为一种高效、高负荷的系统。
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引用次数: 8
An improved technique for LIDAR data reduction 一种改进的激光雷达数据缩减技术
Hadeer M. Sayed, S. Taie, Reda A. El-Khoribi
Light detection and ranging (LIDAR) is a technology of remote imaging technologies. Currently, it is the most important technology for accruing elevation points with a high density in the form of digital elevation model (DEM) construction. However, the high-density data leads to time and memory consumption problems during data processing. In this paper, we depend on radial basis function (RBF) with Gaussian interpolation method to carry out LIDAR data reduction by select the most important points from the unprocessed data to remain the constructed DEMs with high accuracy as possible. Comparing the results with respect to the accuracy using Structural Similarity Index (SSIM) with Multiquadric and TPS interpolation methods. The results showing that Gaussian method is the most accurate method with 5.49% regardless each Multiquadric and TPS methods.
光探测与测距(LIDAR)是一种远程成像技术。目前,以数字高程模型(DEM)构建的形式获取高密度高程点是最重要的技术。但是,高密度的数据会导致数据处理过程中的时间和内存消耗问题。本文利用径向基函数(RBF)和高斯插值方法对激光雷达数据进行约简,从未处理的数据中选择最重要的点,以保持尽可能高精度的构造dem。比较了结构相似指数(SSIM)与多重插值法和TPS插值法的精度。结果表明,无论Multiquadric方法还是TPS方法,高斯方法的准确率都最高,为5.49%。
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引用次数: 1
Experiment on PV panels tilt angle and dust 光伏板倾斜角度与粉尘试验
M. Ashhab, O. Akash
The performance of PV solar panels depend on dust accumulated on them and tilt angle. For every location in the world there is an optimum tilt angle of dust free PV panels for best performance. However, in some areas of the world dust is an obstacle for PV panels operation. Examples of such areas are the middle east and the Arabian gulf countries. Accumulation rate of dust depends on the location as well as the tilt angle of the PV panel. In this project, the dependence of PV panels performance on dust accumulation in addition to tilt angle will be studied for a given location. Relevant data are collected and analyzed towards enhancing the efficiency of PV panels in the presence of dust.
光伏太阳能电池板的性能取决于其上积聚的灰尘和倾斜角度。对于世界上的每个地方,都有一个最佳的无尘光伏板倾斜角度,以获得最佳性能。然而,在世界上的一些地区,灰尘是光伏电池板运行的一个障碍。这些地区的例子是中东和阿拉伯海湾国家。灰尘的积累速率取决于光伏板的位置和倾斜角度。在本项目中,将研究给定位置的光伏板性能除了对倾斜角度的影响外,对积尘的依赖关系。收集并分析相关数据,以提高光伏板在有粉尘情况下的效率。
{"title":"Experiment on PV panels tilt angle and dust","authors":"M. Ashhab, O. Akash","doi":"10.1109/ICEDSA.2016.7818490","DOIUrl":"https://doi.org/10.1109/ICEDSA.2016.7818490","url":null,"abstract":"The performance of PV solar panels depend on dust accumulated on them and tilt angle. For every location in the world there is an optimum tilt angle of dust free PV panels for best performance. However, in some areas of the world dust is an obstacle for PV panels operation. Examples of such areas are the middle east and the Arabian gulf countries. Accumulation rate of dust depends on the location as well as the tilt angle of the PV panel. In this project, the dependence of PV panels performance on dust accumulation in addition to tilt angle will be studied for a given location. Relevant data are collected and analyzed towards enhancing the efficiency of PV panels in the presence of dust.","PeriodicalId":247318,"journal":{"name":"2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126340120","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: 16
期刊
2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA)
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