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Intelligent Fish Tank Control System Based on Internet of Things Cloud Computing Platform 基于物联网云计算平台的智能鱼缸控制系统
Zheng Jiangbin, Chen Rui, Zhu Hao, Zhang Lei, M. Chunyan
This paper designed a cloud-based platform for the Internet of Things (IoT) family intelligent fish tank[14] control system. The system consists of three parts: an aquarium component consisting of a microcontroller and a sensor, two-way cloud computing platform for data transmission of the IoT and users to operate the fish tank by Android App. The control system uses sensors and single-chip microcontroller to collect data and sends data to the cloud computing platform through HTTP[5] protocols.
本文设计了一种基于云平台的物联网(IoT)家庭智能鱼缸[14]控制系统。该系统由三部分组成:由单片机和传感器组成的水族组件、物联网双向数据传输的云计算平台和用户通过Android App对鱼缸进行操作。控制系统利用传感器和单片机采集数据,并通过HTTP[5]协议将数据发送到云计算平台。
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引用次数: 4
Exploring the Demand Side Flexibility of a New Residential Building 探索新住宅建筑的需求侧灵活性
Chuhao Jiang, Y. Zong, Wenjing Su, Zhiyuan Qi
In the future energy system, the share of renewable energy will increase. The intermittent renewable energy will challenge the stability of the energy system, hence, it requires the demand side has the flexibility to meet the fluctuation of energy production, and buildings are accountable for 40% of total energy consumption within the world. The building could be a flexibility supplier for the energy system; also the large thermal mass of the building is ideal energy storage. This paper presents a new construction low energy building located in Copenhagen, Denmark, to demonstrate the energy flexibility possibility by utilizing the new building's thermal mass; and the effect of weather impactors and internal gains in an indoor environment will be discussed.
在未来的能源体系中,可再生能源的比重将会增加。间歇性的可再生能源将挑战能源系统的稳定性,因此,它要求需求方具有灵活性,以满足能源生产的波动,而建筑占世界总能耗的40%。该建筑可以成为能源系统的灵活供应商;此外,建筑的大热质量是理想的能量储存。本文介绍了位于丹麦哥本哈根的一座新型低能耗建筑,通过利用新建筑的热质量来展示能源柔性的可能性;并讨论了室内环境中天气影响因素和内部增益的影响。
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引用次数: 1
A New Qualitative language for Qualitative Simulation 用于定性仿真的一种新的定性语言
Slim Medimegh, Jean-Yves Pierron, Frédéric Boulanger
Cyber physical systems are specified in a hybrid form, with discrete and continuous parts. Simulating such systems requires precise data and synchronization of continuous changes and discrete transitions. However, in the first design steps, missing information forbids numerical simulation. We present here a new qualitative language for qualitative simulation of cyber physical systems, which consists in computing the relationships between the system variables. This language is implemented in the Diversity symbolic execution engine to build the traces of the system. We apply this approach to the analysis of SysML models, using an M2M transformation from SysML to a pivot language, an M2T transformation from this language to Diversity and an analysis of the traces obtained by Diversity to build the qualitative behaviors of the system.
网络物理系统以混合形式指定,具有离散和连续的部分。模拟这样的系统需要精确的数据和连续变化和离散过渡的同步。然而,在最初的设计步骤中,信息缺失阻碍了数值模拟。我们在这里提出了一种新的定性语言,用于网络物理系统的定性模拟,它包括计算系统变量之间的关系。该语言在Diversity符号执行引擎中实现,以构建系统的跟踪。我们将这种方法应用于SysML模型的分析,使用从SysML到pivot语言的M2M转换,从该语言到Diversity的M2T转换以及对Diversity获得的轨迹的分析来构建系统的定性行为。
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引用次数: 0
Impact of Virtualization on Cloud Computing Energy Consumption: Empirical Study 虚拟化对云计算能耗影响的实证研究
Saleh Atiewi, Abdullah Abuhussein, Mohammad A. Saleh
Global warming, which is currently one of the greatest environmental challenges, is caused by carbon emissions. A report from the Energy Information Administration indicates that approximately 98% of CO2 emissions can be attributed to energy consumption. The trade-off between efficient and ecologically sound operation represents a major challenge faced by many organizations at present. In addition, numerous companies are currently compelled to pay a carbon tax for the resources they use and the environmental impact of their products and services. Therefore, an energy consumption system can generate actual financial payback. Green information technology involves various approaches, including power management, recycling, telecommunications, and virtualization. This paper focuses on comparing and evaluating techniques used for reducing energy consumption in virtualized environments. We first highlight the impact of virtualization techniques on minimizing energy consumption in cloud computing. Then we present an experimental comparative study between two common energy-efficient task scheduling algorithms in cloud computing (i.e., the green scheduler, the power saver scheduler). These algorithms are discussed briefly and analyzed. The three metrics used to evaluate the task scheduling algorithms are (1) total power consumption, (2) data center load, and (3) virtual machine load. This work aims to gauge and subsequently improve energy consumption efficiency in virtualized environments.
全球变暖是目前最大的环境挑战之一,它是由碳排放引起的。美国能源情报署(Energy Information Administration)的一份报告表明,大约98%的二氧化碳排放可归因于能源消耗。在有效和无害生态的操作之间进行权衡是目前许多组织面临的一个重大挑战。此外,许多公司目前被迫为他们使用的资源以及他们的产品和服务对环境的影响支付碳税。因此,能源消耗系统可以产生实际的财务回报。绿色信息技术涉及各种方法,包括电源管理、回收、电信和虚拟化。本文的重点是比较和评估在虚拟环境中用于降低能耗的技术。我们首先强调虚拟化技术对最小化云计算中的能源消耗的影响。然后,我们对云计算中两种常见的节能任务调度算法(即绿色调度和节能调度)进行了实验比较研究。对这些算法进行了简要的讨论和分析。用于评估任务调度算法的三个指标是:(1)总功耗、(2)数据中心负载和(3)虚拟机负载。这项工作旨在衡量并随后提高虚拟化环境中的能源消耗效率。
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引用次数: 14
A Case Study on Granularity of Industrial Vision Services 基于工业视觉服务粒度的案例研究
Martin Rudorfer, Tessa J. Pannen, J. Krüger
Software engineering paradigms such as service-oriented architectures are increasingly often applied in the field of factory automation. Functions like robot motion planning or object recognition are provided by cloud services. A crucial architectural aspect is the granularity, i.e. the scope and size of individual services. In our case study, we examine a service-based object recognition application for a robotic assembly use case. We implement three different granularity levels, measure their communication and computation times and discuss further architectural features. The fine-granular approach encapsulates individual image processing operations as services, which have high reusability but impose large communication overheads. The medium granularity approach is object-wise and offers best reuse efficiency and cohesion. The coarse solution offers the best performance.
软件工程范式,如面向服务的体系结构,越来越多地应用于工厂自动化领域。机器人运动规划或物体识别等功能由云服务提供。一个关键的体系结构方面是粒度,即单个服务的范围和大小。在我们的案例研究中,我们为机器人装配用例检查基于服务的对象识别应用程序。我们实现了三种不同的粒度级别,测量了它们的通信和计算时间,并讨论了进一步的架构特性。细粒度方法将单个图像处理操作封装为服务,具有很高的可重用性,但会带来很大的通信开销。中等粒度方法是面向对象的,提供了最佳的重用效率和内聚性。粗溶液的性能最好。
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引用次数: 0
Android Mobile Audiometry Test 安卓手机测听测试
Aldo Adiputra, D. H. Hareva, D. Krisnadi
The use of devices that can produce audio such as a pair of earphones and headphones in the maximum audio volume can cause damage to our hearing due to hearing loss. Hearing loss will affect a person's hearing quality to hear low volume or intensity. There is an Audiometry Test to check one's hearing quality whether it is still above or below the normal hearing threshold. It utilizes a special tool and is very useful for detecting a person's hearing loss early. The test's procedure is to play a tone that has a different frequency and intensity. Advancement of mobile technology makes a possibility to provide Audiometric Test on a smartphone device. This method will provide a convenience and an access rights for anyone to know early if they have hearing impairment without the needs of special devices. To find out the possibilities, we made an application by designing and testing 3 different smartphones and 4 pairs of earphones. The experimental results were tested using the Wilcoxon Signed-Rank Test to test the stability of mobile applications when using smartphones and earphones from different factories. Statistical tests are conducted to find the type of hardware that is suitable for use in a mobile application. This is done based on the availability of the hardware during the study. The sample was carried out on 30 people using convenience sampling method through Test Audiometry of mobile application. The procedure used on application of Audiometric Test comes from Mayfield Clinic standard. The results prove that the Test Audiometry application on mobile devices can run according to standard procedures. The testing results proved that the application can run as a simulation of an audiometry test. Statistic tests results suggest that a difference of the smartphones used in this testing does not have any effect on the outcome of the audiometry test result, but in-ear earphones show higher stability rate than regular earphones.
使用耳机、耳机等能产生最大音量音频的设备,会因听力损失而对我们的听力造成损害。听力损失会影响一个人听到低音量或强度的听力质量。有一个听力测试,以检查一个人的听力质量是否仍然高于或低于正常的听力阈值。它利用一种特殊的工具,对早期发现一个人的听力损失非常有用。测试的程序是播放不同频率和强度的音调。移动技术的进步使得在智能手机上提供听力测试成为可能。这种方法将为任何人提供便利和访问权,使他们能够在不需要特殊设备的情况下及早知道自己是否有听力障碍。为了找出可能性,我们设计并测试了3种不同的智能手机和4对耳机,制作了一个应用程序。使用Wilcoxon Signed-Rank Test对实验结果进行测试,以测试使用不同厂家的智能手机和耳机时移动应用程序的稳定性。进行统计测试以找到适合在移动应用程序中使用的硬件类型。这是基于研究期间硬件的可用性来完成的。样本采用移动应用程序Test Audiometry的便捷抽样方法对30人进行抽样。听力测试应用程序来自梅菲尔德诊所标准。结果表明,该测试测听应用程序在移动设备上可以按照标准程序运行。测试结果证明,该应用程序可以作为听力测试的模拟运行。统计测试结果表明,本次测试中使用的智能手机的不同对听力测试结果的结果没有任何影响,但入耳式耳机的稳定率高于普通耳机。
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引用次数: 0
Summary of the Actuators of the FAST Active Reflector FAST主动反射器致动器概述
Qiming Wang, Mingchang Wu, Zheng Lei, Lei Yang, Yong Wang, Qingmei Wang, M. Zhu, Qing Zhao
2225 hydraulic actuators are used to support the deformation of FAST(Five-hundred-meter Aperture Spherical radio Telescope) active reflector. For hydraulic actuator of different design schemes, the design based on bi-directional gear pump is selected based on prototype test, reliability and maintainability. Of the 2225 actuators, 2075 are designed to meet maximal load of 7 tons, 140 of load 10 tons, and 10 of load 15 tons. In operation of observation, for each of the time ticks(Interval 500ms), the piston position precision of the hydraulic actuator is controlled to be better than 0.25mm, which is over ten times better than the typical node precision requirement of the active reflector. Each of the actuator is physically connected to the control room by optical cable for transmission of control commands and actuator status. Each of the actuators is further designed to meet the shield effect requirement for the radio telescope. With both good reliability and easy maintainability, the actuators worked well to support the scientific observation of the giant telescope.
采用2225个液压作动器支撑500米口径球面射电望远镜(FAST)主动反射面变形。针对不同设计方案的液压执行机构,根据样机试验、可靠性和可维护性,选择了基于双向齿轮泵的设计方案。在2225个执行器中,2075个设计用于满足最大负载7吨,140个负载10吨,10个负载15吨。在观测运行中,每一个时间刻度(间隔500ms),控制液压执行器活塞位置精度优于0.25mm,比主动反射器典型节点精度要求提高十倍以上。每个执行器通过光缆与控制室物理连接,用于传输控制命令和执行器状态。为了满足射电望远镜的屏蔽效应要求,进一步设计了各作动器。执行机构工作良好,可靠性好,易于维护,为大型望远镜的科学观测提供了保障。
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引用次数: 0
Parsing and Extracting Features from OPC Unified Architecture in Industrial Environments 工业环境下OPC统一体系结构特征的解析与提取
Ricardo Hormann, Sebastian Nikelski, Sinisa Dukanovic, Eric Fischer
OPC Unified Architecture (OPC UA) is considered as a significant part of future industrial networks to provide a modular and well-structured access to machine data. In this paper, we proposed a method for parsing OPC UA binary content and a novel two-phase approach for extracting features from OPC UA. The developed method is able to parse OPC UA content sequentially and to transfer data in a structured way. For extracting features from the payload based on a new string representation, an algorithm extracts all numbers from strings and processes them separately to the letters in the first phase. The used regular expression replaces all integers and floating-point numbers with a special character. In case of not identical strings, the representation is done by an ASCII-distribution as well as an edit-distance in the second phase. On the one hand this approach documented how OPC UA data is parsed and how to use the data in subsequent steps to run analyses. On the other hand the extracted string representations are more accurate than any existing approaches and thus, are usable for machine learning algorithms.
OPC统一架构(OPC UA)被认为是未来工业网络的重要组成部分,为机器数据提供模块化和结构良好的访问。本文提出了一种解析OPC UA二进制内容的方法,并提出了一种新的两阶段OPC UA特征提取方法。所开发的方法能够按顺序解析OPC UA内容,并以结构化的方式传输数据。对于基于新的字符串表示从负载中提取特征,算法从字符串中提取所有数字,并在第一阶段将它们单独处理为字母。使用的正则表达式用一个特殊字符替换所有整数和浮点数。在不相同字符串的情况下,在第二阶段,表示由一个ascii分布和一个编辑距离完成。一方面,这种方法记录了如何解析OPC UA数据以及如何在后续步骤中使用数据来运行分析。另一方面,提取的字符串表示比任何现有方法都更准确,因此可用于机器学习算法。
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引用次数: 2
Rapid PLC-to-Cloud Prototype for Smart Industrial Automation 智能工业自动化的快速plc到云原型
Birol Çapa, Ela Koyaş, Alphan Çamlı, M. Kaya, Yusuf Soyman, Özen Özkaya
In the scope of this study, the main objective is constructing a rapid PLC-to-Cloud prototype which reads data from PLCs and serves them to cloud services. For this purpose, a Raspberry Pi is used as a gateway between a Siemens S7-400 PLC and the Amazon Web Services. The gateway has two main roles: OPC UA client and MQTT publisher. The PLC sends data to the gateway via OPC UA and the gateway transfers it to the cloud via MQTT publish-subscribe application protocol. The data is stored in the cloud-based database DynamoDB. As a result, with this rapid prototype, it is possible to gather and save data from the field that can be used for diagnosis, analysis, and predictive maintenance purposes. This gateway is a rapid, extendible and easy to build solution which has potential to create new data sources for IIoT domain by serving industrial data to cloud.
在本研究的范围内,主要目标是构建一个快速的plc到云原型,从plc读取数据并将其提供给云服务。为此,树莓派被用作西门子S7-400 PLC和Amazon Web Services之间的网关。网关有两个主要角色:OPC UA客户端和MQTT发布者。PLC通过OPC UA向网关发送数据,网关通过MQTT发布-订阅应用协议将数据传输到云。数据存储在基于云的数据库DynamoDB中。因此,通过这种快速原型,可以从现场收集和保存可用于诊断、分析和预测性维护目的的数据。该网关是一种快速、可扩展且易于构建的解决方案,通过将工业数据服务于云,有可能为工业物联网领域创建新的数据源。
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引用次数: 1
The Analysis of Meteorological Innovation Capability in China 中国气象创新能力分析
Danna Shen, Yan Li, Danhong Shen
Meteorological science and technology is an important part of state science and technology innovation system. Therefore, it is very important to study meteorological science and technology and to evaluate the ability. So, based on the index design concept of global innovation index, this paper evaluates and analyzes the meteorological innovation capability by using the method of innovation index and analytic hierarchy process, then proposes the differences in innovation ability among provinces and regions and puts forward some enlightenments and suggestions.
气象科技是国家科技创新体系的重要组成部分。因此,对气象科学技术进行研究和能力评价具有十分重要的意义。因此,本文基于全球创新指数的指标设计理念,运用创新指数法和层次分析法对我国气象创新能力进行了评价和分析,提出了各省、地区间创新能力的差异,并提出了一些启示和建议。
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引用次数: 0
期刊
Proceedings of the 2nd International Symposium on Computer Science and Intelligent Control
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