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2021 18th International Multi-Conference on Systems, Signals & Devices (SSD)最新文献

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New Method for Detection of Ventricular Suction in an Implantable Pump Using Recursive DFT Algorithm 基于递推DFT算法的植入式泵心室吸力检测新方法
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429458
M. El-Fandi, Kholoud El-Henqari, Abulgasim Shallof
In this paper, a brand new technique for detection of ventricular suction in a Rotary Left Ventricular Assist Device (LVAD) helping a failing cardiovascular gadget the usage of recursive DFT algorithm is presented. The algorithm is developed by the author and used in different frequency data measurement. The suction detection is primarily based on-line frequency data measurement of a periodic signals. The algorithm is computationally easy with a small variety of mathematical parameters and comparatively easy to implement. Simulation were carried out on a fifth-order lumped parametric circuit which can produce the cardiovascular system combined with a rotary pump to illustrate responsiveness and robustness of the algorithm.
本文介绍了一种利用递推DFT算法检测左心室吸力的新方法——旋转左心室辅助装置(LVAD)。该算法由作者自行开发,并应用于不同频率的数据测量。吸力检测主要是基于在线频率数据测量的一种周期信号。该算法计算简单,数学参数变化少,相对容易实现。仿真结果表明,该算法具有较好的响应性和鲁棒性。
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引用次数: 0
Deep Batch-normalized eLU AlexNet For Plant Diseases Classification 基于深度批归一化eLU AlexNet的植物病害分类
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429404
Hmidi Alaeddine, J. Malek
In early work, the automatic recognition problem of plant diseases relied on traditional machine learning techniques such as Multilayer Perceptrons (MLP) and Support Vector Machines (SVM). However, in recent years new approaches have moved towards the application of Deep Learning (DL) and convolutional neural network which is described as a dominant tool in this field. In this work, we introduce a model with an architecture based on the AlexNet model for the plant diseases classification from leaf images. We present a deeper version of AlexNet with size (3x3) convolution, normalization, regularization, and linear exponential unit (eLU) layers. The training and testing of the proposed model was performed on a PlantVillage dataset. This proposed model obtained precision and a high gain in convergence learning speed. It achieved 99.48% classification accuracy with 17.54x fewer parameters compared to AlexNet.
在早期的工作中,植物病害的自动识别问题依赖于传统的机器学习技术,如多层感知器(MLP)和支持向量机(SVM)。然而,近年来新的方法已经转向深度学习(DL)和卷积神经网络的应用,这被描述为该领域的主导工具。在这项工作中,我们引入了一个基于AlexNet模型的基于叶片图像的植物病害分类模型。我们提出了AlexNet的更深层次版本,其大小为(3x3)卷积、规范化、正则化和线性指数单元(eLU)层。在PlantVillage数据集上对所提出的模型进行了训练和测试。该模型在收敛学习速度上具有较高的精度和增益。与AlexNet相比,它的分类准确率达到99.48%,参数减少了17.54倍。
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引用次数: 4
Improvement of Data Searching in MongoDB with the Use of Oracle Database 使用Oracle数据库改进MongoDB的数据查询
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429468
Roman Ceresnák, K. Matiaško, A. Dudáš
In the 1950s, the demand for useful data storage gained importance and with it relational databases started to play an essential role in many sectors. Nowadays, relational databases cannot effectively fulfill the demands for interactive web and mobile applications, which demand flexibility and scalability for a data model. With the term NoSQL, we cover all the non-relational databases which provide no scheme and scaling model. NoSQL Databases, also called internet databases, are nowadays used by such significant organizations as Google, Amazon, Facebook and many others. Different classes of databases NoSQL, specifically couples of key-value pairs, documentary, column-oriented databases and graph databases, allow programmers to model the data near the format used in their application. One of the disadvantages, resulting from a free structure, is the security of effective searching in the non-relational databases. Several studies dealt with the effective way of searching in the non-relational databases. These studies examined the model data in the non-relational database MongoDB with the help of a relational model. In this paper, we introduce a method which searches for the data stored in the non-relational database MongoDB using the model with the permanent structure in relational database Oracle. Even though efficiency of our solution could be debated while using smaller datasets, with growing size of data the efficiency of presented solution increases.
在20世纪50年代,对有用数据存储的需求变得越来越重要,因此关系数据库开始在许多部门发挥重要作用。目前,关系数据库不能有效地满足交互式web和移动应用程序对数据模型的灵活性和可扩展性的要求。使用术语NoSQL,我们涵盖了所有不提供方案和伸缩模型的非关系数据库。NoSQL数据库,也被称为互联网数据库,如今被谷歌、亚马逊、Facebook等许多重要组织所使用。不同类型的数据库NoSQL,特别是键值对、文档数据库、面向列的数据库和图形数据库,允许程序员按照应用程序中使用的格式对数据进行建模。自由结构导致的缺点之一是在非关系数据库中进行有效搜索的安全性。一些研究讨论了在非关系数据库中搜索的有效方法。这些研究在关系模型的帮助下检查了非关系数据库MongoDB中的模型数据。本文介绍了一种利用关系型数据库Oracle中具有永久结构的模型对非关系型数据库MongoDB中的数据进行搜索的方法。尽管我们的解决方案的效率在使用较小的数据集时可能存在争议,但随着数据规模的增加,所提出的解决方案的效率也会增加。
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引用次数: 0
MicroRNA expression classification for human disease prediction MicroRNA表达分类用于人类疾病预测
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429451
Ines Slimene, Imen Messaoudi, A. Oueslati, Z. Lachiri
Recent research has shown that microRNA plays an important role in human disease specification. Study of miRNA expression helps to accelerate the diagnosis of diseases and to anticipate treatment. However experimental identification of diseases from microRNA expression such as RPM poses difficulties. Nowadays, we haven't enough bioinformatics algorithm to predict the association between miRNA and diseases. Herein, we present a machine learning based approach for distinguishing patient from normal person based on miRNA expression. In this paper, we compare different machine learning algorithms such as SVM, KNN and logistic regression to predict infected gene from miRNAs RPM values.
近年来的研究表明,microRNA在人类疾病规范中起着重要的作用。miRNA表达的研究有助于加快疾病的诊断和预测治疗。然而,从微小rna表达(如RPM)来实验鉴定疾病存在困难。目前,我们还没有足够的生物信息学算法来预测miRNA与疾病之间的关系。在这里,我们提出了一种基于机器学习的方法,基于miRNA表达来区分患者和正常人。在本文中,我们比较了不同的机器学习算法,如SVM, KNN和逻辑回归,以预测miRNAs RPM值的感染基因。
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引用次数: 0
Chaotic encryption system based on pixel value and position transformation for color images 基于像素值和位置变换的彩色图像混沌加密系统
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429368
Atheer J. Mansoor, Hikmat N. Abdullah, M. F. Al-Gailani, H. Ziboon
In this paper, a full image encryption system is proposed. The proposed system depends on changing the value and coordinates of the pixels at the same time. The system has the ability to be applied on all types of images with any dimensions. The results of the system were tasted and compared with the traditional algorithms. The results that have been obtained from the simulation show that the proposed system has higher degree of security and faster encryption time.
本文提出了一种完整的图像加密系统。该系统依赖于同时改变像素的值和坐标。该系统具有适用于所有类型的图像与任何尺寸的能力。并与传统算法进行了比较。仿真结果表明,该系统具有更高的安全程度和更快的加密时间。
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引用次数: 0
A Comparative Analysis Study of Tunisian and Algerian Grid Codes Relevant to PV Solar Energy Installations 突尼斯和阿尔及利亚光伏太阳能装置相关电网规范的比较分析研究
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429443
Gaith Baccouche, A. S. Saidi, C. B. Salah, S. Makhloufi, A. H. Hamida
This article provides a comparative study of the technical requirements applied by the two Tunisian and Algerian countries. This comparison including Low Voltage Ride-Through (LVRT) and High Voltage Ride-Through (HVRT) is provided and discussed. As well, each country establishes its own network code to meet the minimum technical criteria required and revises it frequently to cope with new modifications of the public service, to keep the protection, the quality of the power supply, the reliability and the stability. This comparison showed that the two countries have a great similarity in their grid codes almost 90% and almost 100% in certain intervals. All results have been checked and carried out using real electrical parameters data.
本文对突尼斯和阿尔及利亚两国的技术要求进行了比较研究。给出并讨论了低电压穿过(LVRT)和高电压穿过(HVRT)的比较。此外,每个国家都制定了自己的网络代码,以满足所需的最低技术标准,并经常对其进行修订,以应付公共服务的新变化,以保持电力供应的保护、质量、可靠性和稳定性。这一比较表明,两国在网格代码上有很大的相似性,在一定的间隔内几乎达到90%和100%。所有结果都用实际的电气参数数据进行了校核和验证。
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引用次数: 0
Random forest-based nonlinear improved feature extraction and selection for fault classification 基于随机森林的非线性改进特征提取与选择的故障分类
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429351
R. Fezai, Kais Bouzrara, M. Mansouri, H. Nounou, M. Nounou, M. Trabelsi
In this paper, Interval Gaussian Process Regression (IGPR)-based Random Forest (RF) proposed for fault detection and diagnosis (FDD) due to its effectiveness in handling uncertain industrial process data, which are often with high nonlinearities and strong correlations. This technique aims to extract the features from raw data using IGPR technique. Then, the interval mean vector and the interval variance matrix obtained from IGPR technique are used as inputs to the Random Forest (RF) classifier. The results show the effectiveness of the features and the classifiers in detection of faults of Wind Energy Conversion (WEC) Systems.
本文将基于区间高斯过程回归(IGPR)的随机森林(Random Forest, RF)用于故障检测与诊断(FDD),因为它可以有效地处理不确定的工业过程数据,这些数据通常具有高非线性和强相关性。该技术旨在利用IGPR技术从原始数据中提取特征。然后,将IGPR技术得到的区间均值向量和区间方差矩阵作为随机森林分类器的输入。结果表明,该特征和分类器在风能转换系统故障检测中的有效性。
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引用次数: 0
New Adaptive Sliding Mode for Unperturbed Forearm and Wrist Rehabilitation Robot 一种无摄动前臂和手腕康复机器人的自适应滑模
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429302
B. Brahmi, Ibrahim El Bojairami, T. Ahmed, M. Rahman, Asif Al Zubayer Swapnil, Javier Dario Sanjuan De Caro
The paper put forth presents the design and validation of a novel adaptive, variable gain, sliding mode control (SMC) reaching law, for the purpose of controlling unperturbed nonlinear systems. The novelty of this law stems from its capability to overcome the main limitations involved with conventional SMCs. In contrast to existing reaching laws, the presented law is potentially able to achieve high system performance, reduce the chattering problem significantly, and ensure fast convergence of system trajectories to equilibrium. The designed law integrates the features of both, the exponential reaching law (ERL) and the power rate reaching law (PRL), meanwhile, it overcomes their limitations. Simulation and comparison case studies against ERL and PRL are also carried out with Forearm and Wrist Rehabilitation Robot to validate the effectiveness and advantages of the proposed reaching law scheme (Proposed RL).
本文提出了一种新的自适应变增益滑模控制(SMC)趋近律的设计和验证,用于控制无摄动非线性系统。这一法律的新颖之处在于它能够克服传统中型管理公司所涉及的主要限制。与现有的趋近律相比,所提出的趋近律有可能实现较高的系统性能,显著减少抖振问题,并确保系统轨迹快速收敛到平衡状态。该律综合了指数趋近律(ERL)和功率趋近律(PRL)的特点,克服了它们的局限性。以前臂和手腕康复机器人为例,对ERL和PRL进行了仿真和对比研究,以验证所提出的到达律方案(proposed RL)的有效性和优势。
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引用次数: 2
Solar Irradiance measuring using PV module and PIC microcontroller based Electronic assembly 基于光电模块和PIC单片机的太阳辐照度测量
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429327
F. Bouazza, A. Kouzou, Kaabeche Hamid
In this paper, a simple and low cost method based on a mathematical equation is used to calculate the solar irradiance (G). It is based on the short circuit currents output and the currents at the maximum power point (MPP) of the PV module at both Standard test conditions (STC) and Actual conditions of irradiation & temperature (G,T). The values of currents at $(STC){I_{sc}(STC); I_{mp}(STC)}$ are read directly on the PV module datasheet, while the other value of currents at ($G, T$) conditions ${I_{sc}(G, T); I_{mp}(G, T)}$ are measured via a data acquisition card equipped with a PIC microcontroller and voltage and current sensors. The used equation with the four currents is programmed using LabView interface. Several irradiances deduced from these four data are displayed on the graphical interface. Three different PV modules have been tested and the obtained solar irradiances have been compared to those displayed by a first class pyranometer. The error calculation confirms the accuracy of the proposed method.
本文采用一种基于数学方程的简单、低成本的方法来计算太阳辐照度(G),该方法是基于光伏组件在标准测试条件(STC)和实际辐照温度条件(G,T)下的短路电流输出和最大功率点(MPP)电流。$(STC){I_{sc}(STC);I_{mp}(STC)}$直接在光伏组件数据表上读取,而在($G, T$)条件下的电流的其他值${I_{sc}(G, T);I_{mp}(G, T)}$通过配备PIC单片机和电压、电流传感器的数据采集卡进行测量。利用LabView接口编写了包含四种电流的使用方程。图形界面上显示了由这四个数据推导出的几个辐照度。测试了三种不同的光伏组件,并将获得的太阳辐照度与一流的辐射计显示的太阳辐照度进行了比较。误差计算证实了该方法的准确性。
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引用次数: 0
Indoor sign Detection System for Indoor Assistance Navigation 用于室内辅助导航的室内标识检测系统
Pub Date : 2021-03-22 DOI: 10.1109/SSD52085.2021.9429495
Mouna Afif, R. Ayachi, Yahia Said, M. Atri
Indoor signage plays an important role in finding specific destinations and way-finding especially for blind and visually impaired people (VIP). In this paper, we developed a new indoor signage classifier using deep convolutional neural Network (DCNN). Computer vision-based systems using cameras-based present a potential intermediate to assist blind and VIP persons on accessing unfamiliar buildings. Experiments were performed on a new dataset taken in an indoor building in France. The proposed dataset present 800 natural images divided into 4 indoor signs. Results achieved show that our proposed approach presents very encouraging results coming to 99.8% as recognition precision rate.
室内标识在寻找特定目的地和寻路方面发挥着重要作用,特别是对于盲人和视障人士(VIP)。本文提出了一种基于深度卷积神经网络(DCNN)的室内标识分类器。基于摄像机的计算机视觉系统提供了一种潜在的中介,可以帮助盲人和贵宾进入不熟悉的建筑物。实验是在法国一座室内建筑中采集的新数据集上进行的。该数据集包含800幅自然图像,分为4个室内标志。实验结果表明,该方法取得了令人鼓舞的结果,识别准确率达到99.8%。
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引用次数: 0
期刊
2021 18th International Multi-Conference on Systems, Signals & Devices (SSD)
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