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2022 XXVIII International Conference on Information, Communication and Automation Technologies (ICAT)最新文献

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Prediction of cardiovascular disease 心血管疾病预测
Fejsal Perva, Harun Tucakovic, Muhammed Musanovic, Emine Yaman
Nowadays, cardiovascular diseases are one of the leading causes of death. Earlier and better detection of such diseases would lead to earlier treatment and eventually to better chances of patients being able to overcome those diseases. Machine learning algorithms have been proven useful in detecting several medical conditions based on patients’ characteristics. In this paper, we are trying to predict whether a patient has a cardiovascular disease based on their characteristics. Using decision trees (C4.5), k-NN, and Naïve Bayes, in combination with cross-validation and holdout methods, we were able to achieve relatively good results. Even better results were achieved, for some specific cases such as patients having hypertension stage 2 or 3.
如今,心血管疾病是导致死亡的主要原因之一。更早和更好地发现这些疾病将导致更早的治疗,并最终使患者有更好的机会战胜这些疾病。机器学习算法已被证明在根据患者特征检测几种医疗状况方面很有用。在本文中,我们试图根据患者的特征来预测他们是否患有心血管疾病。使用决策树(C4.5)、k-NN和Naïve贝叶斯,结合交叉验证和保留方法,我们能够获得相对较好的结果。对于某些特殊情况,如高血压2期或3期患者,甚至取得了更好的结果。
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引用次数: 0
Alternator with controllable frequency and amplitude 频率和幅度可控的交流发电机
V. Utkin, Isaac Chairez
The article discusses two types of power converters for obtaining sinusoidal signals at the output with the desired amplitude and frequency. In the first case, the source of energy is a constant voltage, in the second - a three-phase voltage source. In both cases, the output value of the converter is a sinusoidal voltage without higher harmonics. In the second version, the power factor of the consumed energy is one. Low power part of the alternator is nonlinear dynamic system generating the desired signal in sliding mode. Then the signal is tracked in high power part in sliding mode as well.
本文讨论了两种功率变换器,用于在输出端获得具有所需幅度和频率的正弦信号。在第一种情况下,能量源是恒定电压,在第二种情况下-三相电压源。在这两种情况下,转换器的输出值都是没有高次谐波的正弦电压。在第二个版本中,所消耗能量的功率因数为1。交流发电机的低功率部分是非线性动态系统,以滑模方式产生所需的信号。然后在高功率部分对信号进行滑模跟踪。
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引用次数: 0
Human-like Hitting Strategies for a Ball Bouncing Robot 弹球机器人的类人击球策略
Chi-Cheng Cheng, Yi-Min Chiu, An Liu
Hand-eye coordination control is one of the dexterous operational skills of mankind. This study reproduces human-like hitting strategies based on hand-eye coordination techniques for bouncing a ping pong ball with a robotic manipulator holding a paddle and an RGB-D camera. The target ball and the background are first separated by using the color information. The target ball’s position in the world coordinate frame can therefore be obtained by incorporating the depth information. Analysis of forces exerted on the ball is able to predict its future motion trajectory. In addition, a to-the-center and an adaptive learning hitting strategies based on manipulation skills of humans are developed to overcome difficulties caused by uncertainties and unknown parameters for the successive bouncing task. The to-the-center strategy tends to bounce the ball towards the center of the paddle, not just vertically upwards in a classical approach, in order to maintain the ball in the reachable region. However, the adaptive learning strategy provides controls of the inclination and the hitting force for the paddle according to previous bounce behavior of the ball. Actual bouncing experiments with a three degrees-of-freedom robotic wrist were conducted using three different bouncing strategies: the classical vertical approach, the to-the-center strategy, and the adaptive learning strategy. Experimental results demonstrate that the proposed adaptive learning hitting strategy displays best bouncing performance in terms of average bouncing number of times and average distance of contact point away from the center.
手眼协调控制是人类灵巧的操作技能之一。这项研究基于手眼协调技术再现了类似人类的击球策略,用一个手持球拍的机器人操纵器和一个RGB-D相机来弹乒乓球。首先使用颜色信息将目标球和背景分开。因此,结合深度信息可以得到目标球在世界坐标系中的位置。分析施加在球上的力可以预测它未来的运动轨迹。此外,针对连续弹跳任务中存在的不确定性和未知参数带来的困难,提出了一种基于人的操作技能的向中心和自适应学习的弹跳策略。到中心策略倾向于将球弹向球拍的中心,而不仅仅是在经典的方法中垂直向上,以保持球在可触及的区域。然而,自适应学习策略根据球的先前反弹行为提供了对球拍的倾斜和打击力的控制。以三自由度机器人手腕为实验对象,采用经典垂直弹跳策略、向中心弹跳策略和自适应学习弹跳策略进行了弹跳实验。实验结果表明,所提出的自适应学习击球策略在平均弹跳次数和接触点离中心的平均距离方面表现出最佳的弹跳性能。
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引用次数: 0
3D UAV Registration of Large Scale Environment Using Structure From Motion Based Approach 基于运动结构的大尺度环境三维无人机配准
J. Velagić, Haris Balta
This paper treats the problem of 3D outdoor environment mapping using images acquired by Unmanned Aerial Vehicle (UAV). The main focus is on the generation of 3D model for large scale environments. In order to perform 3D model reconstruction and mapping from 2D aerial images we employed a Structure from Motion (SfM) based approach. The obtained results using this approach for different scenarios, the rubble field and village, are presented. The generated UAV 3D point cloud data are compared with the ground truth using the least square method, where the ground truth represents a reference model with high accuracy geodetic precision. The comparison of the 3D environment models with the rubble field and village scenarios and the ground truth data is also given.
本文研究了利用无人机(UAV)获取的图像进行三维室外环境映射的问题。主要关注的是为大规模环境生成3D模型。为了从2D航拍图像中进行3D模型重建和映射,我们采用了基于运动结构(SfM)的方法。给出了该方法在碎石场和村庄两种不同情况下的结果。利用最小二乘法将生成的无人机三维点云数据与地面真值进行比较,其中地面真值代表具有高精度大地测量精度的参考模型。并将三维环境模型与碎石场和村庄场景以及地面真实数据进行了比较。
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引用次数: 0
Improvement of Confidential Messages Secure Routing over Paths with Intersection in Cyber Resilient Networks 网络弹性网络中具有交叉路径的机密信息安全路由改进
Oleksandr V Lemeshko, Oleksandra Yeremenko, A. Mersni, J. Gazda
The paper presents an improved method of confidential messages secure routing over intersecting paths in cyber resilient networks. It allows making fuller use of the available network resources. Within the method, the level of network security of routes, networks, and confidential messages, in general, was assessed due to the compromise probability of the network links. In turn, the message compromise probability is calculated by the formula of total probability, considering the level of network security of bridges in the network structure without prior calculation of disjoint paths set. According to the numerical study results of the method application, the most significant gain in terms of the message compromise probability has been obtained at a relatively low level of cyber threats in the network. The secure routing method was implemented and presented by software prototypes of secure routing protocols that can form the basis of advanced routing protocols supporting network security metrics.
提出了一种改进的机密信息交叉路径安全路由方法。它允许更充分地利用可用的网络资源。在该方法中,路由、网络和机密消息的网络安全级别通常是根据网络链接的破坏概率来评估的。在不预先计算不相交路径集的情况下,考虑网络结构中网桥的网络安全等级,根据总概率公式计算消息妥协概率。从该方法应用的数值研究结果来看,在网络中相对较低的网络威胁水平下,消息泄露概率的增益最为显著。安全路由方法通过安全路由协议的软件原型实现和呈现,这些安全路由协议可以构成支持网络安全度量的高级路由协议的基础。
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引用次数: 1
A Semantic Mapping System Based on Scene Classification for Indoor Mobile Robots 基于场景分类的室内移动机器人语义映射系统
Xueyuan Song, Xu Liang, Zhijiang Zuo, Huaidong Zhou
With the increasingly complex application scenarios of indoor mobile robots, traditional navigation methods based on metric maps have been unable to meet people’s needs. Mobile robots not only need to perceive the spatial geometric information of the environment, but also need to deeply and comprehensively understand the semantic information of the environment in order to perform tasks such as complex behavioral decision-making and human-computer interaction. In this paper, we propose a semantic mapping system for indoor environments based on a monocular camera and a laser. The semantic mapping system adopts the technique of scene classification to construct the scene semantics of indoor environments, in which the semantic classifier is embedded into a recurrent neural network to better learn the correlation of consecutive frames. Experimental results indicate that the proposed semantic mapping system exhibits great performance in the robustness and accuracy of semantic mapping.
随着室内移动机器人应用场景的日益复杂,传统的基于度量地图的导航方法已经无法满足人们的需求。移动机器人不仅需要感知环境的空间几何信息,还需要深入全面地理解环境的语义信息,以便执行复杂的行为决策和人机交互等任务。本文提出了一种基于单目相机和激光的室内环境语义映射系统。语义映射系统采用场景分类技术构建室内环境的场景语义,将语义分类器嵌入到递归神经网络中,更好地学习连续帧之间的相关性。实验结果表明,所提出的语义映射系统在语义映射的鲁棒性和准确性方面表现出良好的性能。
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引用次数: 1
Explorative Evaluation of Heart Rate Variability Spectral Analysis Approaches 心率变异性频谱分析方法的探索性评价
A. Tihak, Nahla Salaka, D. Boskovic
The application of spectral analysis methods to the heart rate (HR) signal is challenging due to the nature of the signal itself, which is non-uniform. Methods for non-uniform signals can be applied directly, whilst the methods designed for uniform signals can be used after the signal is adequately preprocessed beforehand. Preprocessing consists of interpolation and resampling. In this paper, we have implemented a tool for explorative evaluation of various spectral analysis methods applied to HR signal. The tool is based on heat maps used for visualization of frequency metrics for the ECG signals selected from the MIT-BIH Arrhythmia Database. Evaluated methods are the Lomb-Scargle method for nonuniform signal analysis and Welch's method which is applied in conjunction with different interpolation approaches. A set of frequency-domain metrics are evaluated with the proposed tool for exploratory analysis. The evaluation indicates that the Lomb-Scargle method produces a loss of information in certain frequency bands. Furthermore, Welch method better demonstrates the difference in spectral power metrics for frequency bands of interest, irrespective of the type of interpolation used.
由于心率信号本身的非均匀性,频谱分析方法在心率信号中的应用具有一定的挑战性。对于非均匀信号的方法可以直接应用,而对于均匀信号设计的方法可以在对信号进行充分预处理后使用。预处理包括插值和重采样。在本文中,我们实现了一个工具,用于探索性评估各种频谱分析方法适用于HR信号。该工具基于热图,用于从MIT-BIH心律失常数据库中选择的ECG信号的频率指标的可视化。评估的方法是用于非均匀信号分析的Lomb-Scargle方法和与不同插值方法结合应用的Welch方法。一组频域指标评估与提出的探索性分析工具。结果表明,Lomb-Scargle方法在某些频段会产生信息丢失。此外,韦尔奇方法更好地展示了频谱功率指标的差异,无论所使用的插值类型如何。
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引用次数: 1
Simulations of Denial of Service Attacks in Quantum Key Distribution Networks 量子密钥分发网络中拒绝服务攻击的模拟
E. Dervisevic, Filip Lauterbach, Patrik Burdiak, J. Rozhon, Martina Slívová, Matej Plakalovic, M. Hamza, P. Fazio, M. Voznák, M. Mehic
A QKD network can be considered an add-on technology to a standard communication network that provides IT-secure cryptographic keys as a service. As a result, security challenges resulting in the suspension of functional work must be addressed. This study analyzes a Denial of Service (DoS) attack on the Key Management System (KMS), one of the critical components of the QKD network in charge of key management and key provisioning to authorized consumers. Through simulation methods performed in the QKDNetSim, we show that legitimate customers experience significantly worse service during an excessive DoS attack on KMS.
可以将QKD网络视为标准通信网络的附加技术,该网络将it安全加密密钥作为服务提供。因此,必须解决导致功能性工作暂停的安全挑战。本研究分析了针对密钥管理系统(KMS)的拒绝服务(DoS)攻击,KMS是QKD网络中负责密钥管理和向授权消费者提供密钥的关键组件之一。通过在QKDNetSim中执行的模拟方法,我们表明合法客户在对KMS的过度DoS攻击期间体验到明显更差的服务。
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引用次数: 3
Calculation of the Electric Field Intensity and Magnetic Flux Density Generated by High Voltage Overhead Transmission Lines 高压架空输电线路产生电场强度和磁通密度的计算
Ajdin Alihodžić, A. Mujezinović, E. Turajlić, Nedis Dautbašić
This paper considers calculation methods for the electric field intensity and magnetic flux density in the vicinity of the overhead transmission lines, as well as the calculation of alternating current (AC) corona onset electric field intensity. Calculations within this paper are made using the 2D algorithms of Charge Simulation Method (CSM) and Biot-Savart (BS) law based method. In order to obtain more accurate results, calculations are made by representing each overhead transmission line conductor with a large number of electric and magnetic field sources. By applying this approach, bundle conductors can be represented in a more realistic way and also singularity problems can be avoided when calculating electric field intensity. The presented methods are applied to a real overhead transmission line configuration, and obtained results are compared with field measurement results over the lateral profile. For considered overhead transmission line, AC corona onset electric field intensity is calculated and compared with calculated electric field intensity on the conductor’s surface. A comparison of calculated and measured results shows that considered calculation methods give satisfactory results.
本文研究了架空输电线路附近电场强度和磁通密度的计算方法,以及交流电晕起始电场强度的计算方法。本文采用二维电荷模拟法(CSM)和Biot-Savart (BS)法进行计算。为了得到更精确的计算结果,将每条架空输电线路导体表示为具有大量电场和磁场源的导体。利用这种方法可以更真实地表示束导体,避免了计算电场强度时的奇异性问题。将所提出的方法应用于实际架空输电线路的配置,并与横向剖面的现场测量结果进行了比较。对于所考虑的架空输电线路,计算了交流电晕起始电场强度,并与计算的导体表面电场强度进行了比较。计算结果与实测结果的比较表明,所考虑的计算方法得到了令人满意的结果。
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引用次数: 0
Estimation of Washing Performance in Washing Machines with Neural Networks 用神经网络估计洗衣机的洗涤性能
Yakup Aktaş, Merve Acer Kalafat
There are many standard procedures that washing machines must provide. One of them is the washing performance, which shows the cleanliness of the laundry. This measurement, called the washing performance index, must meet the criteria determined according to the relevant standard in repeated tests. However, the washing and cleaning process is a complex process affected by many parameters such as mechanical effects, chemical effects, temperature, and amount of water. We propose an approach to determine the effect of these multi-parameter effects on washing performance and estimate the washing performance of the washing machine without the need for trial tests before the algorithm design. The approach uses artificial neural network algorithms to estimate washing performance by varying the relevant input parameters accurately. In order to establish the structure of the neural network, we have performed experimental tests on washing machines with different features and different input parameters and used them for training, validation, and test sets. According to the results obtained, it has been shown that it is possible to predict the washing performance index with neural networks accurately.
洗衣机必须提供许多标准程序。其中之一是洗涤性能,它显示了衣物的清洁度。这种测量,称为洗涤性能指标,必须符合根据相关标准在反复试验中确定的标准。然而,洗涤和清洗过程是一个复杂的过程,受许多参数的影响,如机械效应、化学效应、温度和水量。我们提出了一种方法来确定这些多参数影响对洗涤性能的影响,并估计洗衣机的洗涤性能,而不需要在算法设计之前进行试验测试。该方法采用人工神经网络算法,通过改变相关输入参数来准确估计洗涤性能。为了建立神经网络的结构,我们对具有不同特征和不同输入参数的洗衣机进行了实验测试,并将其用于训练、验证和测试集。结果表明,利用神经网络对洗涤性能指标进行准确预测是可行的。
{"title":"Estimation of Washing Performance in Washing Machines with Neural Networks","authors":"Yakup Aktaş, Merve Acer Kalafat","doi":"10.1109/ICAT54566.2022.9811214","DOIUrl":"https://doi.org/10.1109/ICAT54566.2022.9811214","url":null,"abstract":"There are many standard procedures that washing machines must provide. One of them is the washing performance, which shows the cleanliness of the laundry. This measurement, called the washing performance index, must meet the criteria determined according to the relevant standard in repeated tests. However, the washing and cleaning process is a complex process affected by many parameters such as mechanical effects, chemical effects, temperature, and amount of water. We propose an approach to determine the effect of these multi-parameter effects on washing performance and estimate the washing performance of the washing machine without the need for trial tests before the algorithm design. The approach uses artificial neural network algorithms to estimate washing performance by varying the relevant input parameters accurately. In order to establish the structure of the neural network, we have performed experimental tests on washing machines with different features and different input parameters and used them for training, validation, and test sets. According to the results obtained, it has been shown that it is possible to predict the washing performance index with neural networks accurately.","PeriodicalId":414786,"journal":{"name":"2022 XXVIII International Conference on Information, Communication and Automation Technologies (ICAT)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132828179","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: 2
期刊
2022 XXVIII International Conference on Information, Communication and Automation Technologies (ICAT)
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