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2018 3rd International Conference on Intelligent Green Building and Smart Grid (IGBSG)最新文献

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Reliability evaluation of generation system with micro-grid based on glowworm swarm optimization 基于萤火虫群优化的微电网发电系统可靠性评估
Shan Cheng, Zhen Liu
Because of emissions of carbon dioxide from consumption of fossil fuels and consideration of the security of energy supply, renewable energy sources such as wind power generation and solar power generation have increased significantly in recent years and are expected to play more important role in electric power system in the near future. However, their drawbacks such as intermittence and unpredictable variability are likely to result in negative effects on the reliability of the power system. This study proposed a hybrid power generation system (HPGS) composed of wind power generation and solar power generation systems and established its model based on Monte Carlo sampling. In order to demonstrate the reliability promotion resulted from the HPGS, with introduction of Glowworm Swarm Optimization (GSO) algorithm, indices including loss of load expectation, loss of energy expectation, and loss of load probability of the micro grid are evaluated. Simulation results based on proposed method indicated that the proposed HPGS can effectively improve the adequacy of the micro grid. Compared with the results that generated by sequential Monte Carlo, the GSO algorithm outperforms with less computation time and higher convergence accuracy.
由于化石燃料消耗所产生的二氧化碳排放以及对能源供应安全的考虑,近年来风力发电、太阳能发电等可再生能源显著增加,并有望在不久的将来在电力系统中发挥更重要的作用。然而,它们的间歇性和不可预测的变异性等缺点很可能对电力系统的可靠性造成负面影响。本文提出了一种由风力发电和太阳能发电系统组成的混合发电系统(HPGS),并建立了基于蒙特卡罗采样的混合发电系统模型。为了验证HPGS对微网可靠性的提升效果,引入GSO算法,对微网的负荷预期损失、能量预期损失和负荷损失概率等指标进行了评估。仿真结果表明,该方法能有效提高微网的充分性。与序列蒙特卡罗算法的结果相比,GSO算法具有计算时间短、收敛精度高的优点。
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引用次数: 0
Design and implementation of a power consumption management system for smart home over fog-cloud computing 基于雾云计算的智能家居能耗管理系统的设计与实现
Yan-Da Chen, Muhammad Zulfan Azhari, Jenq-Shiou Leu
Smart home becomes a part of the trend in a vast Internet of Things (IoT) field. However, according to International Data Corporation, IDC, every house generated 2 TB amount of data on average by 2014, and this number is estimated to rise up to 10 TB by 2020. With a huge amount of data, cloud-only architecture could not keep up with the volume and velocity of this data across the network. Therefore, we provide the reference architecture for smart home which is based on fog computing using Zigbee protocol. We can treat fog computing as the extension of the cloud. It can ease a load of cloud, improve its performance and efficiency, and also provide real-time calculating service. Furthermore, the cloud can provide insight and configuration to fog computing architecture to enhance the home-automated function and optimize system intelligent. Our approach can effectively address the data amount issues and reduce the response latency to secure the safety for the family member in real-time processing needed situation, and monitor the usage of electricity for each member to implement the home energy management system. Each home fog network can communicate with each other and become a bigger architecture for the smart city in the future.
智能家居在广阔的物联网(IoT)领域成为趋势的一部分。然而,根据国际数据公司IDC的数据,到2014年,每个家庭平均产生2tb的数据量,预计到2020年这一数字将上升到10tb。由于数据量巨大,纯云架构无法跟上网络上数据的数量和速度。因此,我们为基于Zigbee协议的雾计算智能家居提供了参考架构。我们可以把雾计算看作是云的延伸。它可以减轻云的负载,提高其性能和效率,并提供实时计算服务。此外,云可以为雾计算架构提供洞察和配置,以增强家庭自动化功能,优化系统智能。我们的方法可以有效地解决数据量问题,减少响应延迟,确保家庭成员在实时处理所需情况时的安全,并监控每个成员的用电量,实现家庭能源管理系统。每个家庭雾网络可以相互通信,成为未来智慧城市的更大架构。
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引用次数: 16
The study of 3D design and protection characteristics of household power distribution switches 家用配电开关三维设计及保护特性研究
Shi Mingjie, X. Zhihong
The safety and reliability of household power distribution switch is very important, how to design a power distribution switch with strong breaking ability and reliable work is the goal of most designers. In this paper, a miniature circuit breaker of rated current 63A is used as the research object. From the perspective of virtual simulation, through the thought of 3D analysis of the calculation model of the overcurrent tripping mechanism, the combination of dynamics software and finite element analysis software to design a prototype of the virtual design and analysis platform. The design prototype uses interactive data transmission technology for structural design, platform can automatically add constraint, realize the electromagnetic field calculation, through the design platform, and the related parameters were analyzed in order to further improve for the performance of the prototype theory basis.
家用配电开关的安全性和可靠性是非常重要的,如何设计出一种分断能力强、工作可靠的配电开关是大多数设计者所追求的目标。本文以额定电流为63A的微型断路器为研究对象。从虚拟仿真的角度出发,通过三维分析过流脱扣机构计算模型的思路,结合动力学软件和有限元分析软件设计了虚拟设计分析平台的样机。本设计样机采用交互式数据传输技术进行结构设计,平台可以自动添加约束,实现电磁场计算,通过设计平台,并对相关参数进行分析,从而进一步提高样机的性能,为理论基础提供依据。
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引用次数: 0
Design of wide input voltage range high step-up DC-DC converter based on secondary-side resonant tank full bridge LLC 基于二次侧谐振槽全桥LLC的宽输入电压范围高升压DC-DC变换器设计
A. Rahman, H. Chiu, Y. Hsieh
Battery are widely utilized in uninterruptible power supply (UPS) to provide the power temporarily during power failure. In applications up to a few kilo watts, low voltage battery stack are typically used since it is not economically feasible to use high voltage battery stack in such application. To interface the battery to the dc-link of the UPS, power electronic converter are widely used. Due to the wide voltage variation at battery terminal that are mainly caused by battery state of charge and battery stack current, power converter for battery application are required to be capable to interface with wide battery voltage range. In this paper, a wide input range high step up converter was designed based on LLC converter. To significantly reduce the resonant capacitor current, secondary side resonant tank LLC converter was proposed. Finally, a 2 kW prototype was designed for 36 V∼ 72 V input voltage and 410 V output voltage, built, and from experimental test 93.59% peak efficiency was measured.
蓄电池广泛应用于不间断电源(UPS)中,用于在停电时提供临时电源。在高达几千瓦的应用中,通常使用低压电池组,因为在这种应用中使用高压电池组在经济上是不可行的。为了将电池连接到UPS的直流链路上,电力电子变换器被广泛使用。由于电池端电压变化很大,主要是由电池的充电状态和电池堆电流引起的,因此电池应用的电源转换器需要能够与宽电压范围的电池接口。本文设计了一种基于LLC变换器的宽输入范围高升压变换器。为了显著减小谐振电容电流,提出了二次侧谐振槽LLC变换器。最后,在36 V ~ 72 V的输入电压和410 V的输出电压下,设计了一个2 kW的样机,并建立了,从实验测试中测得93.59%的峰值效率。
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引用次数: 13
Voltage control of distribution network with photovoltaic power generation systems 光伏发电系统配电网电压控制
Weiqing Tao, Cheng Fang, Shengqing Lu, Qingsong Liu, Ruixing Lin
A voltage control system composed of grid-connected photovoltaic (PV) inverters and on-load tap changing transformer (OLTC) is proposed to solve the voltage limit problem arisen from high-penetration distributed PV power generation system integrated into the distribution network. PV inverters, as a part of grid voltage control system, are able to control the reactive power based on the voltage amplitude. In the case when PV inverters failed to normalize the grid voltage, OLTC tap controller is used as an alternative. In this case, the tap of OLTC tap controller will change accordingly based on the maximum and minimum voltage estimated from phasor measurement unit (PMU) placed at key nodes in the grid. The validity of the voltage control system proposed in this paper is verified by detailed simulation and solid results.
针对高渗透分布式光伏发电系统接入配电网后出现的电压限制问题,提出了一种由并网光伏逆变器和有载分接变压器组成的电压控制系统。光伏逆变器作为电网电压控制系统的一部分,可以根据电压幅值对无功功率进行控制。当光伏逆变器无法对电网电压进行归一化时,采用OLTC分接控制器作为替代方案。在这种情况下,OLTC分接控制器的分接将根据放置在电网关键节点的相量测量单元(PMU)估计的最大和最小电压相应地变化。通过详细的仿真和实测结果验证了本文所提出的电压控制系统的有效性。
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引用次数: 4
Gaze direction estimation using only a depth camera 凝视方向估计仅使用深度相机
Jie-Shiou Tsai, C. Lin
This paper proposed a novel method to perform gaze direction estimation from human eye movement with only a consumer level depth sensor (RealSense). Proposed method consists of four stages: (i) eye region localization from a template matching of the contour of the chin and geometric properties of human faces, (ii) locating the eye center points as the reference points, (iii) using second order Laplacian detector to strengthen the intensity of depth data to locate the pupil and (iv) gaze direction classification using the Euclidean distance and visual angle. Experiments are performed to estimate the performance of the gaze directions on low illumination environments and different testing distances between the camera and users. Finally, the experimental results demonstrate the proposed system using solely the distance information for gaze direction estimation.
提出了一种利用消费者级深度传感器(RealSense)从人眼运动中进行凝视方向估计的新方法。该方法包括四个阶段:(1)通过模板匹配下巴轮廓和人脸几何特征来定位眼睛区域;(2)定位眼睛中心点作为参考点;(3)利用二阶拉普拉斯检测器加强深度数据强度来定位瞳孔;(4)利用欧几里得距离和视角进行凝视方向分类。通过实验对低照度环境和不同测试距离下注视方向的性能进行了估计。最后,实验结果证明了该系统仅使用距离信息进行注视方向估计。
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引用次数: 2
HVAC system — communication platform 暖通空调系统-通信平台
R. Holy, M. Kalika, Jiri Havlik, A. Makarov
The article deals with the design of the IoT communication platform for real HVAC operation, which is designed for the design of intelligent buildings. For its own implementation, the existing RS485-based access systems infrastructure will be used, extended by wireless gateways. The data obtained is stored in a cloud environment where the datamining methods are then evaluated. The article describes the basic principle of the operation of the proposed infrastructure and demonstrates the pilot verification in a real environment.
本文针对智能建筑的设计,设计了面向真实暖通空调运行的物联网通信平台。对于其自身的实现,将使用现有的基于rs485的接入系统基础设施,并通过无线网关进行扩展。获得的数据存储在云环境中,然后对数据挖掘方法进行评估。本文描述了所提出的基础设施的基本运行原理,并在实际环境中进行了试点验证。
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引用次数: 1
Reconstruction of impedance-based stability criterion in weak grid 基于阻抗的弱电网稳定判据重建
Jiayuan Gao, Jinbin Zhao, K. Qu, Fen Li
Impedance-based analysis is widely used to study the stability of grid-connected inverter system in a weak grid. And the stability of the system is characterized by the ratio of the grid impedance(Zg)to the inverter output impedance(Zinv) However, using Zg/Zinv to represent the phase margin (PM) of the system is inaccurate. Meanwhile, with the development of grid-connected inverter adaptive control strategy, the inverter control loop parameters will be adjusted dynamically with the change of grid impedance, which may lead to the traditional impedance-based stability criterion(TISC) is no longer applicable. In view of the shortcomings of traditional impedance-based analysis method, the impedance-based stability criterion is reconstructed in this paper. The reconstructed impedance-based stability criterion (RISC) can not only accurately represent the stability margin of the system, but also has good applicability to grid-connected inverters with variable control parameters. Simulations validate the theoretical analysis.
基于阻抗的分析被广泛应用于弱电网并网逆变器系统的稳定性研究。电网阻抗(Zg)与逆变器输出阻抗(Zinv)之比表征了系统的稳定性,但用Zg/Zinv来表示系统的相位裕度(PM)是不准确的。同时,随着并网逆变器自适应控制策略的发展,逆变器控制回路参数会随着电网阻抗的变化而动态调整,这可能导致传统的基于阻抗的稳定性判据(TISC)不再适用。针对传统基于阻抗的分析方法存在的不足,本文对基于阻抗的稳定性判据进行了重构。重构的基于阻抗的稳定判据(RISC)不仅能准确地表示系统的稳定裕度,而且对控制参数变的并网逆变器具有良好的适用性。仿真结果验证了理论分析的正确性。
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引用次数: 6
A portable node of humidity and temperature sensor for indoor environment monitoring 一种用于室内环境监测的便携式温湿度传感器节点制造技术
T. Adiono, Maulana Yusuf Fathany, S. Fuada, Irfan Gani Purwanda, Sinantya Feranti Anindya
Humidity and temperature are parameters those are commonly implemented for monitoring tasks, including monitoring within an indoor environment such as a smart home. In this study, we design, develop, and demonstrate the performance of a portable sensor system for indoor environment, which is connected to the smartphone-based user interface for monitoring humidity and temperature. This sensor system consists several components those are packed into a single small box, namely: a Zigbee communication module, STM32L100 microcontroller, DHT11 temperature sensor, BL-5C rechargeable battery, and a charger circuit. The sensor system and the application are then tested to gauge the performance. Based on the test, the system is able to communicate with the smartphone through the host. In addition, based on 24-hour battery testing, the system requires less than 0.53958 watts to operate, thus achieving the low-cost target.
湿度和温度是通常用于监控任务的参数,包括在智能家居等室内环境中进行监控。在本研究中,我们设计、开发并演示了一种用于室内环境的便携式传感器系统的性能,该系统连接到基于智能手机的用户界面,用于监测湿度和温度。该传感器系统由几个组件组成,这些组件被封装在一个小盒子中,即:Zigbee通信模块,STM32L100微控制器,DHT11温度传感器,BL-5C可充电电池和充电器电路。然后对传感器系统和应用程序进行测试以衡量性能。通过测试,系统能够通过主机与智能手机进行通信。此外,基于24小时电池测试,系统运行所需功率小于0.53958瓦,实现了低成本目标。
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引用次数: 44
Towards a solar panels site selection approach using primitive cognitive network process 基于原始认知网络的太阳能电池板选址方法研究
K. Yuen, Jenq-Shiou Leu
Solar panels site selection problem is a multiple criteria decision problem, which selecting the most appropriate site for setting solar panels among a number of potential sites in views of multiple technical criteria such as temperature, humidity, sunlight intensity, sunlight duration, and wind. Primitive Cognitive Network Process is one of the multiple criteria decision making tools. This paper presents the Primitive Cognitive Network Process (PCNP) for Solar panels site selection.
太阳能电池板选址问题是一个多标准决策问题,即在考虑温度、湿度、日照强度、日照时间、风力等多种技术标准的情况下,从众多可能的选址中选择最合适的太阳能电池板选址。原始认知网络过程是多准则决策工具之一。提出了一种基于原始认知网络的太阳能电池板选址方法。
{"title":"Towards a solar panels site selection approach using primitive cognitive network process","authors":"K. Yuen, Jenq-Shiou Leu","doi":"10.1109/IGBSG.2018.8393576","DOIUrl":"https://doi.org/10.1109/IGBSG.2018.8393576","url":null,"abstract":"Solar panels site selection problem is a multiple criteria decision problem, which selecting the most appropriate site for setting solar panels among a number of potential sites in views of multiple technical criteria such as temperature, humidity, sunlight intensity, sunlight duration, and wind. Primitive Cognitive Network Process is one of the multiple criteria decision making tools. This paper presents the Primitive Cognitive Network Process (PCNP) for Solar panels site selection.","PeriodicalId":356367,"journal":{"name":"2018 3rd International Conference on Intelligent Green Building and Smart Grid (IGBSG)","volume":"414 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121003916","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: 0
期刊
2018 3rd International Conference on Intelligent Green Building and Smart Grid (IGBSG)
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