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2019 7th International Conference on Mechatronics Engineering (ICOM)最新文献

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ICOM'19 Keynote Speaker 国际博协2019年主题演讲
Pub Date : 2019-10-01 DOI: 10.1109/icom47790.2019.8952031
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引用次数: 0
Deep Learning Methods for Facial Expression Recognition 面部表情识别的深度学习方法
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952056
C. M. M. Refat, N. Azlan
Deep learning is very popular methods for facial expression recognition (FER) and classification. Different types of deep learning algorithms have been used for FER such as deep belief network (DBN) and convolutional neural network (CNN). In this paper, we analyze various deep learning methods and their results. We have chosen Deep convolutional neural network as the best algorithms for facial expression detection and classification. In our study, we have tested the algorithm using Japanese Female facial expressions database (JAFFE) datasets by anaconda software. The deep convolution neural networks with JAFFE datasets accuracy rate around 97.01%.
深度学习是一种非常流行的面部表情识别和分类方法。不同类型的深度学习算法已被用于深度学习,如深度信念网络(DBN)和卷积神经网络(CNN)。在本文中,我们分析了各种深度学习方法及其结果。我们选择深度卷积神经网络作为面部表情检测和分类的最佳算法。在我们的研究中,我们使用anaconda软件使用日本女性面部表情数据库(JAFFE)数据集对算法进行了测试。深度卷积神经网络在JAFFE数据集上的准确率约为97.01%。
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引用次数: 6
Assumptions of Lateral Acceleration Behavior Limits for Prediction Tasks in Autonomous Vehicles 自动驾驶汽车预测任务的横向加速度行为极限假设
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952059
Peter Zechel, Ralph Streiter, K. Bogenberger, U. Göhner
This paper presents an analysis of the euroFot data set to determine limits for the typical lateral acceleration behavior of drivers. Since recent studies indicate that lateral accelerations close to the physically possible limit are rarely used by drivers, predictions tasks for autonomous driving could consider a smaller, so-called natural lateral acceleration interval (NLAI) instead of all physically possible lateral accelerations. This NLAI should be as small as possible while still fulfilling all safety aspects. Therefore, valid assumptions are required on which the interval can be derived. Since a valid assumption which leads to minimal NLAI is yet unknown, four different assumptions concerning the lateral acceleration behavior are derived and evaluated in this paper. Thereby, detailed examinations regarding the relative frequencies of violations are presented. Finally, two assumptions are recommended for introducing an NLAI, depending on prediction time and safety requirements. Additionally, the advantages of utilizing an NLAI instead of all physically possible lateral accelerations are highlighted by comparing the results of an occupancy prediction approach.
本文提出了euroft数据集的分析,以确定驾驶员的典型横向加速行为的限制。由于最近的研究表明,驾驶员很少使用接近物理可能极限的横向加速度,因此自动驾驶的预测任务可以考虑较小的所谓自然横向加速度间隔(NLAI),而不是所有物理上可能的横向加速度。该NLAI应尽可能小,同时仍然满足所有安全方面。因此,需要有效的假设来推导区间。由于导致最小NLAI的有效假设尚不清楚,因此本文推导并评估了有关横向加速度行为的四种不同假设。因此,对违反事件的相对频率进行了详细的审查。最后,根据预测时间和安全要求,推荐引入NLAI的两个假设。此外,通过比较占用率预测方法的结果,突出了利用NLAI而不是所有物理上可能的横向加速度的优势。
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引用次数: 1
Performance Evaluation of Scenerio-aware Protocol for Producer Mobility Support in NDN 面向NDN生产者移动支持的场景感知协议性能评估
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952040
M. Z. Ahmed, A. M. Hassan, A. H. Alkali, A. H. Hashim, O. Khalifa, H. Ramli
A scenario-aware is a type of protocol designed to enable NDN applications have specific interest/data naming convention and specific message exchange. Location update and Handoff analysis are the two basic classes of managing network mobility in both IP and NDN. Location update focus mainly on updating producer's mobility/movement information while handoff focus mainly on ensuring network access as the mobile producer continues to relocate/change its (Point of Attachment) PoA to another. Thus, the frequent mobility of the NDN producer is one high significant features of network mobility in an NDN environment. In this paper, the mobile producer is anchorless and is required to frequently change its Care of Address (CoA) as it relocates between multiple NDN access networks. This then has absolute effect on network performance of the mobility management at mobile producer's handoff. Therefore, a performance analysis for the mobile producer handoff between different NDN access networks using NDN scenario-aware protocol is presented using analytical approach and to be supported with simulation. Simulations were carried out using ndnSim 2.1 NS3-based. Analysis were estimated for delay during handoff and packet loss for interest/data exchange between mobile producers.
场景感知是一种协议类型,旨在使NDN应用程序具有特定的兴趣/数据命名约定和特定的消息交换。位置更新和切换分析是IP和NDN中管理网络移动性的两个基本类别。位置更新主要关注更新制作人的移动/移动信息,而切换主要关注在移动制作人继续搬迁/更改其(附件点)PoA时确保网络访问。因此,NDN生产者的频繁移动性是NDN环境中网络移动性的一个重要特征。在本文中,移动生产者是无锚点的,当它在多个NDN接入网之间移动时,需要频繁地改变其CoA (Care of Address)。这对移动制造商移交时移动管理的网络性能有绝对影响。因此,本文采用分析方法对基于NDN场景感知协议的不同NDN接入网之间的移动生产者切换进行了性能分析,并提供了仿真支持。采用基于ns3的ndnSim 2.1进行仿真。分析估计了切换期间的延迟和移动生产者之间兴趣/数据交换的数据包丢失。
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引用次数: 4
Pneumatic actuation of a firefighting robot: A theoretical Foundation and an Empirical study 消防机器人气动驱动:理论基础与实证研究
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952050
M. T. Ajala, M. R. Khan, M. Salami, A. Shafie, M. Oladokun, M. Nor
In recent times, the need for a self-powered, autonomous firefighting robot, which can cope in fire hot spots, is strongly required in fire emergencies. The obtainable firefighting robots lack efficient performance in such conditions due to less reliability of their electric-powered actuators in the high-temperature environment under fire emergency. Our previous study suggests a gas actuated propulsion system (GAPS) as an alternative to the identified limitations of the existing electric actuated propulsion system. The GAPS drives a carbon dioxide propelled autonomous firefighting robot (CAFFR), which uses dry ice as its power source. However, there still exists a lack of detailed understanding of the working principle of the proposed GAPS. Thus, this study provides a theoretical framework for the novel CAFFR. Upon establishing the working theory and the concept of the CAFFR, the research carried out an empirical analysis of the key influencing design parameters for the CAFFR pneumatic actuation. The study presents a mathematical model of the effects of the design parameters and after that, discusses its implications.
近年来,在火灾紧急情况下,迫切需要能够在火灾热点地区应对的自供电、自主消防机器人。现有的消防机器人由于其电动执行器在火灾应急高温环境下的可靠性较低,在这种情况下缺乏有效的性能。我们之前的研究表明,气体驱动推进系统(GAPS)可以替代现有电动驱动推进系统的局限性。GAPS驱动二氧化碳驱动的自动消防机器人(CAFFR),该机器人使用干冰作为动力来源。然而,人们对拟议的gap的工作原理仍然缺乏详细的了解。因此,本研究为新型CAFFR提供了理论框架。在建立CAFFR工作原理和概念的基础上,对影响CAFFR气动驱动设计参数的关键因素进行了实证分析。本研究提出了设计参数影响的数学模型,并讨论了其意义。
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引用次数: 1
Long Term Load Forecasting using Grey Wolf Optimizer - Artificial Neural Network 基于灰狼优化器-人工神经网络的长期负荷预测
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952051
Z. M. Yasin, N. A. Salim, N. F. Ab Aziz
This paper presents a new technique namely Grey Wolf Optimizer- Artificial Neural Network (GWO-ANN) as a technique to forecast electrical load. GWO is a meta heuristic technique inspired by the hierarchy of leadership of the grey wolf hunting mechanism in nature. Four types of grey wolves such as alpha, beta, delta, and omega are employed for simulating the leadership hierarchy. In addition, the three main steps of hunting, searching for prey, encircling are also imitated in the algorithm. GWO is utilized to determine the optimal momentum rate and learning rate of ANN for accurate prediction. In the ANN configuration, the temperature, humidity, wind speed, maximum power, and average power were used as the input data. While total power was used as the output data. ANN is trained by adjusting the parameters of momentum rate and learning rate until the output data matches the actual data. The performance of GWO-ANN was compared to the performance of ANN and Particle Swarm Optimization - Artificial Neural Network (PSO-ANN). The results showed GWO-ANN provide better result in terms of the Mean Absolute Percentage Error (MAPE) and coefficients of determination (R2) as compared to other methods.
本文提出了一种新的电力负荷预测技术——灰狼优化-人工神经网络(GWO-ANN)。GWO是一种元启发式技术,其灵感来自于自然界灰狼狩猎机制中的领导层级。采用alpha、beta、delta、omega四种灰狼来模拟领导层级。此外,算法还模拟了狩猎、寻找猎物、包围三个主要步骤。利用GWO来确定神经网络的最优动量率和学习率,以实现准确的预测。在人工神经网络配置中,温度、湿度、风速、最大功率和平均功率作为输入数据。而总功率作为输出数据。通过调整动量率和学习率的参数来训练人工神经网络,直到输出数据与实际数据相匹配。将GWO-ANN与人工神经网络和粒子群优化-人工神经网络(PSO-ANN)的性能进行了比较。结果表明,与其他方法相比,GWO-ANN在平均绝对百分比误差(MAPE)和决定系数(R2)方面具有更好的结果。
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引用次数: 6
State-driven Architecture Design for Safety-critical Software Product Lines 安全关键软件产品线的状态驱动架构设计
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952006
Mozamil Ebnauf, W. Abdelmoez, H. Ammar, Aisha Hassan, M. Abdelhamid
The safety is considered one of the most critical issues in the design of cyber-physical systems (CPS). The Software Product-Line (SPL) and reusable software components are suitable approaches for CPS, which are often re-engineered from existing systems. Currently, the influence of architecture in assurance of software safety is being increasingly recognized. However, the safety-based architectural design methods are limited in SPLs because of the complexity and variabilities existing in SPL architectures. A new statechart-based safety pattern and adaptation of our previous SPL Architecture design method are presented in this paper. Also the paper describes a simplified safety assessment model which is used to evaluate the safety improvement in the design of the SPLA after using the proposed safety design pattern. Finally, to illustrate the effect of the design pattern in the PLA design, a simplified automated Electromechanical Braking System (EBS) product line is used as a running example. The results show that there is a considerable improvement in the system safety design after using the proposed safety pattern.
安全性被认为是网络物理系统(CPS)设计中最关键的问题之一。软件产品线(SPL)和可重用的软件组件是适合于CPS的方法,它们通常是从现有系统重新设计的。目前,体系结构在保证软件安全方面的作用越来越受到人们的重视。然而,由于SPL体系结构的复杂性和可变性,基于安全性的体系结构设计方法在SPL体系结构中受到了限制。本文提出了一种新的基于状态图的安全模式,并对以前的SPL体系结构设计方法进行了改进。此外,本文还建立了一个简化的安全评价模型,用于评价采用所提出的安全设计模式后SPLA设计的安全性改进。最后,以一个简化的自动化机电制动系统(EBS)生产线为例,说明了设计模式在PLA设计中的作用。结果表明,采用所提出的安全模式后,系统的安全设计有了相当大的改进。
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引用次数: 0
Comparison of Machine Learning Classifiers for dimensionally reduced fMRI data using Random Projection and Principal Component Analysis 使用随机投影和主成分分析的机器学习分类器对降维fMRI数据的比较
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952005
Nur Farahana Mohd Suhaimi, Z. Htike
Machine learning has opened up the opportunity for understanding how the brain works. In this paper, functional magnetic resonance imaging (fMRI) data are analyzed with reduced dimension. We have carried out a performance comparison of random projection (RP) and principal component analysis (PCA) with different number of components of fMRI data. In addition to that, six different types of machine learning algorithm have been used. In particular, the Haxby dataset is chosen for our experiment. The dataset comprises 9 classes for object recognition. 10-fold cross validation step has been employed. We have discovered that RP outperforms PCA when the former is paired with logistic regression, Gaussian Naive Bayes and linear support vector machine. The best pair for this study was found to be PCA and k-nearest neighbors. Nevertheless, each algorithm was found to have its own strengths for fMRI classification approach.
机器学习为理解大脑的工作原理提供了机会。本文对功能磁共振成像(fMRI)数据进行降维分析。我们比较了随机投影法(RP)和主成分分析法(PCA)对不同分量数量的fMRI数据的性能。除此之外,还使用了六种不同类型的机器学习算法。特别地,我们的实验选择了Haxby数据集。该数据集包括9个用于目标识别的类。采用10倍交叉验证步骤。我们发现,当RP与逻辑回归、高斯朴素贝叶斯和线性支持向量机配对时,RP的性能优于PCA。发现PCA和k近邻是本研究的最佳组合。尽管如此,我们发现每种算法在fMRI分类方法上都有自己的优势。
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引用次数: 1
Securing Medical Data Transmission Systems Based on Integrating Algorithm of Encryption and Steganography 基于加密与隐写集成算法的医疗数据传输系统安全
Pub Date : 2019-10-01 DOI: 10.1109/ICOM47790.2019.8952061
M. M. Hashim, Mustafa Sabah Taha, A. Aman, A. H. Hashim, M. Rahim, S. Islam
The awareness to secure medical data has significantly increased. Steganographic has binged an important topic especially in this area since it has the capability to avoid medical data breach. This paper proposes a new steganography scheme based on Bit Invert System (BIS) using three control random parameters. The random selection process is performed based on Henon Map Function (HMF). In order to increase the security level, affine cipher and Huffman method is used for encryption as well as to minimize the encrypt data prior to the embedding for high payload ability. This integration is effective due to two main reasons: first, checking, and mapping to determine 0- and 1-bits during embedding, and second, segmenting the secret data to track and map every bit in stego image. The results showed that the presented scheme can assure confidentiality and security of the medical data while maintaining the image quality.
确保医疗数据安全的意识已大大提高。隐写术已经成为一个重要的话题,特别是在这一领域,因为它有能力避免医疗数据泄露。提出了一种基于比特反转系统(BIS)的隐写新方案,该方案采用三个控制随机参数。随机选择过程基于Henon Map Function (HMF)。为了提高安全级别,采用仿射密码和霍夫曼方法进行加密,并尽量减少嵌入前的加密数据,提高有效载荷能力。这种集成之所以有效,主要有两个原因:首先,在嵌入过程中检查和映射以确定0位和1位;其次,分割秘密数据以跟踪和映射隐写图像中的每个位。结果表明,该方案在保证图像质量的前提下,保证了医疗数据的保密性和安全性。
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引用次数: 14
期刊
2019 7th International Conference on Mechatronics Engineering (ICOM)
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