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Proceedings of the 2019 3rd International Symposium on Computer Science and Intelligent Control最新文献

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An l1-Norm Regularized Copula Based Feature Selection 基于11范数正则Copula的特征选择
Snehalika Lall, S. Bandyopadhyay
In this paper, we develop a novel feature selection method called RCFS (Regularized Copula based Feature Selection) based on regularized copula. We use l1 regularization, as it penalizes the redundant co-efficient of features and makes them zero, resulting in non-redundant effective features set. Scale-invariant property of copula ensures good performance in noisy data, thereby improving the stability of the method. Three different forms of copula viz., Gaussian copula, Empirical copula, and Archimedean copula are used with l1 regularization. Results prove a significant improvement in the accuracy of the prediction model than any non regularized feature selection method. The number of optimal features to achieve a fixed accuracy value is also less than any other non regularized feature selection techniques.
本文提出了一种基于正则化Copula的特征选择方法RCFS (regulalized Copula based feature selection)。我们使用l1正则化,因为它会惩罚特征的冗余系数并使它们为零,从而产生非冗余的有效特征集。copula的尺度不变性保证了该方法在噪声数据中的良好性能,从而提高了方法的稳定性。结合l1正则化,使用了三种不同形式的copula,即高斯copula,经验copula和阿基米德copula。结果表明,与任何非正则化特征选择方法相比,该模型的预测精度有显著提高。实现固定精度值的最优特征的数量也少于任何其他非正则化特征选择技术。
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引用次数: 2
Epidemic System Conversion on Industry 4.0's Perspective Under Dynamic Network Condition 动态网络条件下工业4.0视角下流行病系统转换
P. Poonpakdee, J. Koiwanit, C. Yuangyai
In large-scale manufacturing operations with increasing global competition, success depends on a reliable network system to complete a value chain transformation. The use of the Industry 4.0 paradigm is increasingly evolving in many areas of different industries to ensure significant increases in factory productivity, flexibility, and efficiency. Consequently, the system transformation requires a shift from single automated node to a fully integrated system. However, selected methodology and results require study to fully understand the digital transformation as well as its characteristics. This investigation presents a system conversion study, between centralized and decentralized systems, using the concept of epidemic membership protocols in the context of Industry 4.0. This paper proposes the method based on membership protocols focusing on the system conversion methodology under dynamic network condition. The experimental results show that the proposed method provides an ability to rewrite the structure of the network topology with optimal accuracy of epidemic application.
在全球竞争日益激烈的大规模制造业务中,成功依赖于可靠的网络系统来完成价值链转型。工业4.0范例的使用在不同行业的许多领域不断发展,以确保工厂生产率、灵活性和效率的显著提高。因此,系统转换需要从单个自动化节点转变为完全集成的系统。然而,所选择的方法和结果需要研究,以充分了解数字化转型及其特点。本研究提出了一项系统转换研究,在工业4.0背景下使用流行病成员协议的概念,在集中式和分散式系统之间进行转换。本文提出了一种基于隶属关系协议的方法,重点研究了动态网络条件下的系统转换方法。实验结果表明,该方法能够以最优精度重写网络拓扑结构。
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引用次数: 0
Naming Anonymous Processes with Test-and-Set Registers 使用测试-设置寄存器命名匿名进程
Layla S. Aldawsari
A system of anonymous processes that have no names assigned to them is considered in both synchronous and asynchronous communication models. The processes are fault free and can only communicate using test-and-set (TAS) registers. The aim of the paper is to assign unique names to all processes using a distributed algorithm. The naming of anonymous processes is studied in eight new problem models based on two categories; the number of TAS registers available, and the knowledge of the number of processes. In this paper, two distributed naming algorithms are developed that can assign unique names to anonymous processes. One is deterministic and the other is randomized. The developed algorithms are optimal in time complexity and namespace size. The Sequential Lookup algorithm, which is a deterministic algorithm, has a time complexity of 0(n2) steps, whereas the Random Lookup algorithm, which is a randomized algorithm, has a time complexity of 0(n log n) steps. Proof of the correctness of each naming algorithm is presented for all categories of the problem model where the number of processes is known. The Random Lookup algorithm has a better time complexity compared to the Sequential Lookup algorithm due to the use of randomness in accessing TAS registers.
在同步通信模型和异步通信模型中都要考虑没有分配名称的匿名进程系统。进程是无故障的,并且只能使用测试和设置(TAS)寄存器进行通信。本文的目的是使用分布式算法为所有进程分配唯一的名称。在基于两类问题的八种新问题模型中研究了匿名过程的命名;可用的TAS寄存器的数量,以及对进程数量的了解。本文开发了两种分布式命名算法,可以为匿名进程分配唯一的名称。一个是确定的,另一个是随机的。所开发的算法在时间复杂度和命名空间大小上都是最优的。顺序查找算法是一种确定性算法,其时间复杂度为0(n2)步,而随机查找算法是一种随机算法,其时间复杂度为0(n log n)步。对于已知进程数量的问题模型的所有类别,给出了每种命名算法的正确性证明。由于在访问TAS寄存器时使用了随机性,因此Random Lookup算法比Sequential Lookup算法具有更好的时间复杂度。
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引用次数: 1
A General Architecture for a Real-Time Monitoring System Based on the Internet of Things 一种基于物联网的实时监控系统通用架构
Nilakantha Paudel, R. Neupane
Recently there has been significant progress in the real-time monitoring system based on the Internet of Things (IoT). The use rate of IoT has been increasing exponentially because of its enormous application in different areas, with many of them are yet to be explored. This paper explains how to design an IoT system and describes its working mechanism. We present a general architecture of the real-time monitoring system using IoT and related services. We successfully implement our proposed architecture for a single domain. Then, we describe how to use the proposed architecture to monitor the different real-time contextual domains. Also, we present ideas on how to plug the data from a third-party application into the proposed architecture.
近年来,基于物联网(IoT)的实时监控系统取得了重大进展。由于物联网在不同领域的广泛应用,物联网的使用率呈指数级增长,其中许多领域尚未探索。本文阐述了如何设计一个物联网系统,并描述了其工作机制。我们提出了一个使用物联网和相关服务的实时监控系统的一般架构。我们成功地为单个域实现了我们提出的体系结构。然后,我们描述了如何使用所提出的体系结构来监控不同的实时上下文域。此外,我们还介绍了如何将来自第三方应用程序的数据插入所建议的体系结构中的想法。
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引用次数: 11
Octree-Based Hierarchical 3D Pathfinding Optimization of Three-Dimensional Pathfinding 基于八叉树的三维分层寻路优化
Timur Muratov, A. Zagarskikh
Despite the fact that the problem of pathfinding exists for quite a while, most of the related work is focused on methods that are applicable only in 2D environment. However, there is a demand for methods that can provide a solution for pathfinding tasks in 3D working space. These tasks mostly come from area of robotics and game development, where it is often required to get a solution in real-time. The main problem, besides the lack of appropriate methods, is that in 3D environment the working space size increases greatly in comparison with 2D case, and it becomes harder to construct a precise representation of this space while maintaining low size of search graph. To overcome this, methods that lower graph size, whether explicitly or implicitly, are used. This paper provides a brief review on some of existing approaches, comparison of their effectiveness and presentation a new method of real-time pathfinding in 3D environment that can be helpful in real-time calculations (i.e. game development area). This brief review will be referred to when comparing proposed method with existing ones. A proposed method combines advantages of using octree structure as search graph (such as sparce free space representation) and hierarchical path planning (effective reduction of graph size by clustering). Thus, an appreciable speed-up is achieved.
尽管寻径问题已经存在了很长一段时间,但大多数相关工作都集中在只适用于2D环境的方法上。然而,对于能够为3D工作空间中的寻路任务提供解决方案的方法的需求。这些任务大多来自机器人和游戏开发领域,在这些领域通常需要实时获得解决方案。除了缺乏合适的方法外,主要的问题是,在三维环境下,工作空间的大小比二维环境大得多,在保持搜索图的小尺寸的情况下,很难构建该空间的精确表示。为了克服这个问题,可以使用显式或隐式地降低图大小的方法。本文简要回顾了一些现有方法,比较了它们的有效性,并提出了一种在3D环境中有助于实时计算(如游戏开发领域)的实时寻径新方法。在与现有方法进行比较时,将参考这一简要综述。该方法结合了使用八叉树结构作为搜索图(如空间自由空间表示)和分层路径规划(通过聚类有效减少图大小)的优点。因此,实现了明显的加速。
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引用次数: 2
Cloud-Based Battery Digital Twin Middleware Using Model-Based Development 基于模型开发的云电池数字孪生中间件
Lukas Merkle
Following the trends of electrification, the energy storage of vehicles is gaining importance as the most expensive part of an electric car. Since lithium-ion batteries are perishable goods and underlie e. g. aging effects, environmental and operating conditions during manufacturing and car usage need close supervision. With regard to the paradigm of digital twins, data from various life cycle phases needs to be collected and processed to improve the general quality of the system. To achieve this complex task, a suitable framework is needed in order to operate the fleet of digital twins during manufacturing processes, the automotive usage and a potential second life. Based on a literature review, we formulate requirements for a digital twin framework in the field of battery systems. We propose a framework to develop and operate a fleet of digital twins during all life cycle phases. Results feature a case study in which we implement the stated framework in a cloud-computing environment using early stages of battery system production as test a bed. With the help of a self-discharge model of li-ion cells, the system can estimate the SOC of battery modules and provide this information to the arrival testing procedures.
随着电气化的趋势,汽车的储能作为电动汽车最昂贵的部分变得越来越重要。由于锂离子电池是易腐物品,可能会产生老化效应,因此在制造和汽车使用过程中的环境和操作条件需要密切监督。对于数字孪生范式,需要收集和处理来自不同生命周期阶段的数据,以提高系统的总体质量。为了完成这项复杂的任务,需要一个合适的框架,以便在制造过程、汽车使用和潜在的第二次使用期间操作数字双胞胎车队。在文献综述的基础上,我们制定了电池系统领域数字孪生框架的要求。我们提出了一个框架,在所有生命周期阶段开发和操作数字孪生舰队。结果包括一个案例研究,其中我们使用电池系统生产的早期阶段作为测试平台,在云计算环境中实施所述框架。借助锂离子电池的自放电模型,该系统可以估计电池模块的SOC,并为到达测试程序提供这些信息。
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引用次数: 4
Machine Learning Techniques for Classification of Spambase Dataset: A Hybrid Approach 垃圾数据集分类的机器学习技术:一种混合方法
Shikha Verma, A. Gautam
Email has become a necessity for this new generation for official communication purposes. As the use of Internet is becoming more and more the risk of being caught into its darker side is so common. The major concern is spam, which is growing exponentially, and the users are becoming victim of it on daily basis. This paper proposes a hybrid machine learning classification model for the spam classification on the spambase dataset. This model uses the four classification algorithms namely Ensemble Classification, Decision Tree, Random Forest and Support Vector Machine (SVM). There are two phases; First phase deals with the classification of spambase dataset in two classes i.e. spam and ham with Decision Tree machine learning algorithm and the second phase comprises of classification improvisation of the output produced by phase one with four machine learning algorithms i.e. Decision Tree, Random Forest, Support Vector Machine (SVM) and Ensemble Learning. The experiment shows a very promising result with improvised accuracy in second phase.
电子邮件已经成为新一代官方沟通的必需品。随着互联网的使用越来越多,陷入其阴暗面的风险是如此普遍。主要的问题是垃圾邮件,它呈指数级增长,用户每天都成为它的受害者。本文提出了一种基于spambase数据集的混合机器学习分类模型。该模型采用了集成分类、决策树、随机森林和支持向量机四种分类算法。有两个阶段;第一阶段使用决策树机器学习算法将垃圾邮件数据集分为两类,即垃圾邮件和火腿;第二阶段使用决策树、随机森林、支持向量机(SVM)和集成学习四种机器学习算法对第一阶段产生的输出进行分类。在第二阶段的实验中,我们得到了一个非常有希望的结果。
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引用次数: 1
A Meta-Heuristic Computation Offloading Strategy for IoT Applications in an Edge-Cloud Framework 边缘云框架下物联网应用的元启发式计算卸载策略
Xuezhen Huang, Yang Yang, Xinglu Wu
Edge-cloud computing provides performance guarantees for IoT applications which are real-time or security sensitive. The new placement of edge-cloud services leverages resources both in Cloud Data Centers (CDC) and at the edge of the network. A computation task can be divided into subtasks and offloaded to different edge/cloud servers, which are donated as offloading destinations. Offloading destination heterogeneity and different architecture of Edge Data Center (EDC) and CDC bring challenges to computation offloading. One critical issue in edge-cloud computing is energy consumption in computation offloading. The existing computation offloading strategies either ignored energy consumption or ignored delay and/or security constraints. Meta-heuristic strategies have been used widely to design heuristic resource allocation algorithms in CDC. This paper aims to explore meta-heuristic energy-efficient computation offloading (EE-CO) approaches with the objective to meet the delay and security constraints, while minimizing energy consumption. To achieve the goal, we investigated the performance of the Ant-Colony-Optimization (ACO) strategies combining with mixed integer programming (MIP). We propose an ACO-based computation offloading strategy, which including two algorithms, called EA-OMIP and EA-RMIP, respectively. The only difference of them is the construction method of integer programming models. Simulations are carried out to value the performance of proposed two algorithms. We also give an analysis of the experimental results in terms of the subtask acceptance ratio, revenue of the cloud service provider (CSP), and the resource utilization.
边缘云计算为实时或安全敏感的物联网应用提供了性能保证。边缘云服务的新布局利用了云数据中心(CDC)和网络边缘的资源。计算任务可以分成子任务并卸载到不同的边缘/云服务器上,这些服务器作为卸载目的地被捐赠。边缘数据中心(EDC)和边缘数据中心(CDC)的卸载目标异构性和不同的体系结构给计算卸载带来了挑战。边缘云计算的一个关键问题是计算卸载过程中的能耗。现有的计算卸载策略要么忽略了能耗,要么忽略了延迟和/或安全约束。元启发式策略被广泛用于设计启发式资源分配算法。本文旨在探索元启发式节能计算卸载(EE-CO)方法,以满足延迟和安全约束,同时最小化能耗。为了实现这一目标,研究了结合混合整数规划(MIP)的蚁群优化(ACO)策略的性能。本文提出了一种基于蚁群算法的计算卸载策略,该策略包括EA-OMIP和EA-RMIP两种算法。它们之间唯一的区别是整数规划模型的构造方法。通过仿真对两种算法的性能进行了评价。从子任务接受率、云服务提供商(CSP)收入、资源利用率等方面对实验结果进行了分析。
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引用次数: 9
Robotic Grasp Pose Estimation Oriented Deep Learning Algorithm Based on Residual Network 基于残差网络的机器人抓取姿势估计深度学习算法
Fan Bai, Renjie Yao, Maoning Chen, Zhexin Cui
Autonomous manipulator grasp is an important issue in robotics research. To obtain the optimal grasp pose, we combine manipulator vision and deep learning to realize the artificial intelligence of the manipulator grasp. We adopt the idea of using residual network to improve the generative grasping convolutional neural network (GG-CNN). Firstly, we build a convolution residual module. By piling multi-layer of residual modules, we can build the residual network and deepen the depth of the convolutional neural network, which is used as the main part to improve GG-CNN. Improved GG-CNN based on deep residual network enhances the accuracy of the optimal grasping pose generation of the manipulator. Experimental results show that the accuracy of the improved GG-CNN model based on residual network reaches 88%, which is much higher than the original model's accuracy of 72%. It significantly improves the accuracy of the model to predict the optimal grasp pose of the manipulator.
自主机械手抓取是机器人研究中的一个重要课题。为了获得最佳抓取姿势,我们将机械手视觉与深度学习相结合,实现了机械手抓取的人工智能。我们采用残差网络的思想来改进生成抓取卷积神经网络(GG-CNN)。首先,我们构建了一个卷积残差模块。通过堆叠多层残差模块,我们可以构建残差网络,加深卷积神经网络的深度,并将其作为改进 GG-CNN 的主要部分。基于深度残差网络的改进型 GG-CNN 提高了机械手最佳抓取姿势生成的准确性。实验结果表明,基于残差网络的改进型 GG-CNN 模型的准确率达到了 88%,远高于原始模型 72% 的准确率。这大大提高了模型预测机械手最佳抓取姿势的准确性。
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引用次数: 1
Face Recognition for Attendance System Using Neural Networks Technique 基于神经网络技术的考勤系统人脸识别
D. Prangchumpol
Face recognition have come from considering various aspects of this specialized perception problem such as apply for help checking attendant. In order to solve this problem, many systems have been completely changed due to this evolve to achieve more accurate results. This research aims to develop the facing attendant system to be more effective and the mechanic of the system, which students can easily verify. The cloud storage was used for Attendance System. The experiment of this research is to find the way to recognize the face by using the technique of Neural Networks, which can correctly recognize up to 95%. This model can apply with school and university.
人脸识别是从多方面考虑这一专门的感知问题而来的,如申请帮助检查服务员。为了解决这个问题,许多系统已经完全改变了,因为这种演变,以获得更准确的结果。本研究的目的在于开发更有效的面向学生的陪读系统,并使系统的机制更易于学生验证。考勤系统采用云存储。本研究的实验目的是寻找利用神经网络技术进行人脸识别的方法,其识别率高达95%。这种模式适用于中学和大学。
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引用次数: 3
期刊
Proceedings of the 2019 3rd International Symposium on Computer Science and Intelligent Control
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