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2020 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)最新文献

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Increasing Autonomy of I/O Cores in Heterogeneous FPGA-SoCs for Data Acquisition Applications 数据采集应用中异构fpga - soc中I/O核自主性的提高
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216335
Robert Drehmel, M. Hefele
As the architectures of FPGA-SoCs become more complex, it is increasingly important to find new ways to optimize the utilization of the interconnects that connect the various components like I/O cores, processors, and memories. Here we present a semi-autonomous soft I2C core and a systematic analysis of the performance characteristics of this core in a Linux system. Compared to a conventional I2C core, the devised core used with a new API reduces the average irq processor utilization in monitoring applications by 87.28% for SMBus Read Word operations and by 81.59% for SMBus Write Word operations, while maximizing I2C bus throughput and improving temporal predictability of I2C message transfers. The results show that overhead of interrupt processing to periodically fill a TX FIFO can be substantial and that designing an I/O core to be less dependent on a general-purpose processor can improve system performance considerably.
随着fpga - soc的体系结构变得越来越复杂,寻找新的方法来优化连接各种组件(如I/O内核、处理器和存储器)的互连利用率变得越来越重要。在这里,我们提出了一个半自治的软I2C内核,并系统地分析了该内核在Linux系统中的性能特征。与传统的I2C核心相比,使用新API的设计核心在SMBus Read Word操作和SMBus Write Word操作中降低了监控应用程序中的平均irq处理器利用率87.28%和81.59%,同时最大化了I2C总线吞吐量并提高了I2C消息传输的时间可预测性。结果表明,周期性地填充TX FIFO的中断处理开销可能是巨大的,并且设计一个对通用处理器依赖较少的I/O核心可以大大提高系统性能。
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引用次数: 1
BitMint Hard Wallet: Digital Payment without Network Communication : No Internet, yet Sustained Payment Regimen between Randomness-Verifiable Hard Wallets BitMint硬钱包:没有网络通信的数字支付:没有互联网,但在随机可验证的硬钱包之间持续支付方案
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216456
G. Samid
Identity-bearing digital money (e.g. BitMint) can be paid in a private transaction between payor and payee without reliance on network authentication. The payee must trust that the paid digital coin is bona fide. Presenting a hard wallet (HW) to generate the required trust. Payment issued from the HW can be taken in by a second hard wallet, which will further pay to a third hard wallet, creating a payment ecology of digital money for long periods without the benefit of a communication network. Payment may be tethered to eventual terms of redemption. The hard wallet may be personalized -- fitted with ownership security capability. The HW may be engineered in conjunction with a smart phone, so people can use a single device as a phone and as an off-line wallet.
带有身份的数字货币(例如BitMint)可以在付款人和收款人之间的私人交易中支付,而无需依赖网络认证。收款人必须相信支付的数字货币是真实的。提供一个硬钱包(HW)来生成所需的信任。从HW发出的付款可以被第二个硬钱包接收,该硬钱包将进一步支付给第三个硬钱包,从而在没有通信网络的情况下长期创建数字货币的支付生态。付款可能取决于最终的赎回条款。硬钱包可以是个性化的——配备所有权安全功能。硬件可能会与智能手机一起设计,这样人们就可以把一个设备当作电话和离线钱包使用。
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引用次数: 2
A CPW-Fed Square Slot Circularly Polarized Antenna With Asymetrie Stubs For Ultra Wideband Applications 一种用于超宽带应用的cpw馈电非对称存根方槽圆极化天线
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216332
Athul O. Asok, Sukomal Dey
This paper presents a new design for a Circularly Polarized Square Slot Antenna (CPSSA). The proposed antenna is single layered with L-shaped stubs loaded on both the opposite corners of the antenna, which is capable of generating orthogonal modes for the excitation of Circular Polarization. Two asymmetric strips on the top and the left portions of the proposed antenna and various other asymmetric strips are also loaded. The proposed structure is having the dimensions of 40 x 40 x 1.6 mm3.The designed CPSSA operates in the range of 3.2-12.5 GHz with Axial Ratio (AR) bandwidth in the range of 4.5-8.5 GHz. In this paper the improvement of the performance parameters like AR and Return Loss (S11) on the addition of asymmetric stubs is explained in detail.
本文提出了一种圆极化方槽天线的新设计。该天线为单层结构,l型短节分别加载在天线的两个相对角上,能够产生用于圆极化激励的正交模式。所建议的天线的顶部和左侧部分的两个非对称带和各种其他非对称带也被加载。拟议的结构尺寸为40 x 40 x 1.6 mm3。设计的CPSSA工作在3.2-12.5 GHz范围内,AR带宽在4.5-8.5 GHz范围内。本文详细阐述了不对称存根的加入对系统的增益增益和回波损耗(S11)等性能参数的改善。
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引用次数: 0
Web Accessibility Analysis on Government of India Websites based on WCAG 基于WCAG的印度政府网站网页可达性分析
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216445
Abhirup Sinha
Information technology has become a part of day to day life. In every part of day to day information technology has its intervention. Government activities and services are also part of this digital revolution. Many of the Governments around the world had already provided the services in digital form and some are in the process of change. That means the services offered by Government are available through web-applications and websites and users do not go to physical offices to avail these services. These users include those as well who are differently abled and need specific help to perform tasks. These disabled users are mostly ignored while developing digital applications. So, there are lot of websites where these specially challenged people are not able to do usual work as per expectation. This study evaluates Web Accessibility compliance and provides over all report on how Government of India’s websites are developed to handle World Wide Web Consortium’s Web Accessibility standard. Here reports have been generated based on tools and Web Content Accessibility Guideline (WCAG) 2.0 are followed. After analyzing accessibility scores and issues, the result says, websites of government of India still need lot of improvement to reach standard web accessibility standard.
信息技术已经成为日常生活的一部分。在日常生活的每一个环节,信息技术都有它的介入。政府活动和服务也是这场数字革命的一部分。世界上许多国家的政府已经以数字形式提供了这些服务,有些国家正在进行改革。也就是说,政府提供的服务是透过网络应用程式和网站提供,而使用者无须前往办事处使用这些服务。这些用户也包括那些能力不同,需要特定帮助来执行任务的用户。在开发数字应用程序时,这些残疾用户大多被忽视。因此,在很多网站上,这些有特殊挑战的人无法按照预期完成日常工作。这项研究评估了网络可访问性的合规性,并提供了关于印度政府如何开发网站以处理万维网联盟的网络可访问性标准的所有报告。这里的报告是基于工具和Web内容可访问性指南(WCAG) 2.0生成的。在分析了可访问性得分和问题后,结果表明,印度政府网站要达到标准的网站可访问性标准还有很多需要改进的地方。
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引用次数: 4
Multistatic Radar Imaging for Traffic Monitoring 用于交通监控的多静态雷达成像
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216417
O. Dogan
This work presents a novel radar system for vehicle imaging. The proposed system is based on estimation of target parameters like range and velocity and generation of the final radar image. For this purpose, a multistatic Frequency Modulated Continuous Wave (FMCW) Synthetic Aperture Radar (SAR) system is implemented. Both the simulation and on site measurements show that such a radar system has the potential to replace the current very expensive sensors.
本文提出了一种新型的车辆成像雷达系统。该系统基于目标距离、速度等参数的估计和最终雷达图像的生成。为此,实现了一种多基地调频连续波合成孔径雷达(SAR)系统。模拟和现场测量都表明,这种雷达系统有可能取代目前非常昂贵的传感器。
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引用次数: 0
Double Mobility WSN: Exploiting the Mobility of Sink and Cluster Head Nodes for Better WSN Energy Preservation and Lifetime 双迁移WSN:利用汇聚节点和簇头节点的迁移来提高WSN的能量保存和寿命
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216449
A. Khalifeh, Husam Abid, Khalid A. Darabkh
Mobile Sensor Nodes (MSNs) have been recently proposed to leverage the performance of conventional static Wireless Sensor Network (WSN). In this paper, we propose to energize both the sink and Cluster Head nodes with mobility, such that wireless communication path loss is minimized thus preserving the sensor nodes energy and extending the network lifetime. The performance evaluation of the proposed scheme shows a superior performance over other related work in terms of extending the network lifetime, and preserving the nodes energy.
最近提出了移动传感器节点(msn)来利用传统静态无线传感器网络(WSN)的性能。在本文中,我们提出用移动性赋予sink和Cluster Head节点能量,从而使无线通信路径损失最小化,从而保留传感器节点能量并延长网络寿命。性能评估表明,该方案在延长网络生命周期和保持节点能量方面优于其他相关工作。
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引用次数: 3
Behaviour Shockley and Sakurai Models in 7nm FinFet 7nm FinFet中的行为Shockley和Sakurai模型
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216418
M. Anees, K. Rahul, Sourabh Aditya Swarnkar, Santosh Yachareni
As we move towards lower nodes, device dimensions are changing and becoming more complex. With FinFet’s elevated channel, gate voltage is applied from all 3 directions. The gate electric field is no longer unidirectional. These add complexity in the behavior of current through the channel. Traditional Shockley model which had square law dependency on the over drive voltage in saturation region will no longer hold good. To overcome this shortcoming of the model alpha power model was introduced by Sakurai- Newton [1]. This accurately modeled the transistor behavior in submicron device in saturation region. According to this model the device will not have square dependency in saturation region. But will have power reduced from two to one as node shrinks. As we were scaling the nodes, there wasn’t any significant scaling in the voltage. As the velocity saturation becomes more dominant alpha reaches one. Models designed for the planar devices and are not in sync with the FinFet. Proposed paper describes the behavior of the MOS in 7nm across different voltage condition and comparison of the current behavior predicted from the Shockley’s square law model and Sakurai-Newton’s alpha power model in FinFets.
随着我们向低节点移动,设备尺寸也在发生变化,变得越来越复杂。使用FinFet的高架通道,栅极电压从所有3个方向施加。栅极电场不再是单向的。这些增加了通过通道的电流行为的复杂性。传统的肖克利模型在饱和区依赖于过驱动电压的平方律将不再适用。为了克服模型的这一缺点,Sakurai- Newton b[1]引入了alpha幂模型。该方法准确地模拟了饱和区亚微米器件中晶体管的行为。根据该模型,器件在饱和区域不存在平方依赖。但是随着节点的缩小,功率将从2减少到1。当我们扩展节点时,电压没有明显的变化。随着速度饱和度的增加,alpha趋于1。为平面器件设计的模型与FinFet不同步。本文描述了7nm MOS在不同电压条件下的行为,并比较了finfet中肖克利平方定律模型和Sakurai-Newton α功率模型预测的电流行为。
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引用次数: 3
Performance Analysis of Traditional and SDN Based Handovers in Wireless LAN Networks 无线局域网中传统和基于SDN的切换性能分析
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216435
M. Emran, I. Kotuliak
With the rapid increase of mobile devices handover management in Wireless Local Area Networks (WLANs) is a concern for user mobility. Traditional handover management methods used for user mobility management are decentralized and do not cater to the delay encountered by the number of Ethernet switches between the Access Points (APs) in the WLAN networks. Software Defined Networking (SDN) technology could fulfill the need of effective centralized handover management and load balancing requirements in the WLAN networks. In this paper, we have analyzed the need for SDN to restructure the current WLAN network architecture. Firstly, we analyzed the existing model and proposed an SDN based model for handover management with improved performance; capable of having multiple switches between the APs during user mobility management. Secondly, we have made an experimental testbed in which multiple switches are placed between the APs connecting the mobile stations. Furthermore, these mobile stations are performing handover during their mobility between the coverage area of the APs on traditional and SDN based WLAN networks. Lastly, the results show the analysis of data rate and delay measured on traditional and SDN based WLAN networks.
随着移动设备的迅速增加,无线局域网(wlan)中的切换管理成为用户移动性关注的问题。用于用户移动性管理的传统切换管理方法是分散的,不能满足WLAN网络中接入点(ap)之间的以太网交换机数量所带来的延迟。软件定义网络(SDN)技术可以满足无线局域网中有效的集中切换管理和负载均衡需求。在本文中,我们分析了SDN对当前WLAN网络架构进行重构的必要性。首先,分析了现有模型,提出了一种基于SDN的切换管理模型,提高了切换管理的性能;能够在用户移动性管理期间在ap之间进行多个切换。其次,我们制作了一个实验测试平台,在连接移动站的ap之间放置多个交换机。此外,这些移动站在移动过程中在传统和基于SDN的WLAN网络上的ap覆盖区域之间进行切换。最后,分析了传统和基于SDN的WLAN网络的数据速率和时延。
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引用次数: 3
A Vision based Voice Controlled Indoor Assistant Robot for Visually Impaired People 一种基于视觉的视障人士语音控制室内助理机器人
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216359
Saifuddin Mahmud, Redwanul Haque Sourave, M. Islam, Xiangxu Lin, Jong-Hoon Kim
Due to ever-increasing number of visually impaired people, the demands of assistant robots have been growing significantly. For the visually impaired, "independent living" which is the key to rebuild the dignity and self-confidence that can be achieved by assistant robot. This paper describes the design and development of a personal assistant robot, which is controlled by voice commands to find and determine the relative location of the object in the indoor environment with a corelation factor (CRF) algorithm developed in this study. The proposed assistant robot is a semi-humanoid robot consists of several cameras on the different location of its body. The cameras are used for autonomous movement, object detection, distance measurement, and motion planning. In addition, the robot keeps the user informed about the outcomes of its actions increases the usefulness of the robot. To justify the proposed system and measure its performance, successful experiments were conducted in indoor environments. The experimental results demonstrate that the proposed assistant robot performs all of its actions with high accuracy which will make visually impaired people feel the indoor environment safe, convenient and comfortable.
随着视障人群数量的不断增加,对辅助机器人的需求也越来越大。对于视障人士来说,“独立生活”是重建尊严和自信的关键,而这正是辅助机器人所能实现的。本文介绍了一种个人助理机器人的设计和开发,该机器人通过语音命令控制,利用本研究开发的相关因子(CRF)算法来寻找和确定室内环境中物体的相对位置。所提出的辅助机器人是一种半人形机器人,由位于其身体不同位置的多个摄像头组成。摄像头用于自主运动、目标检测、距离测量和运动规划。此外,机器人让用户了解其行动的结果,增加了机器人的有用性。为了验证所提出的系统并测量其性能,在室内环境中进行了成功的实验。实验结果表明,所提出的辅助机器人的所有动作都具有较高的精度,能使视障人士感受到室内环境的安全、方便和舒适。
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引用次数: 10
Assessing Efficiency and Aging of Lithium-Ion Battery in a Hybrid Energy Storage System 混合储能系统中锂离子电池的效率与老化评估
Pub Date : 2020-09-01 DOI: 10.1109/IEMTRONICS51293.2020.9216426
Hazem M. Sharf, Eiman ElGhanam, Mohamed S. Hassan, A. Osman
This paper aims to assess the enhancements of the electric vehicle (EV) energy storage systems by hybridizing Lithium ion (Li-ion) battery with a supercapacitor, based on their operation efficiency and the aging of the overall storage system. The hybrid energy storage system brings desired improvements due to the high power density and small internal resistance of supercapacitors. However, the energy density of a supercapacitor is lower than that of a typical EV battery, making the combination of the two storage systems a promising breakthrough to increase both EV mileage and battery lifetime. Accordingly, MATLAB/Simulink tools are used in this work to set-up simulation scenarios to investigate the operation of the proposed hybrid storage system.
基于锂离子电池与超级电容器的混合储能系统的运行效率和整体储能系统的老化,本文旨在评估锂离子电池与超级电容器混合储能系统对电动汽车储能系统的增强作用。由于超级电容器的高功率密度和小内阻,混合储能系统带来了理想的改进。然而,超级电容器的能量密度低于典型的电动汽车电池,这使得两种存储系统的结合成为增加电动汽车行驶里程和电池寿命的有希望的突破。因此,在本工作中使用MATLAB/Simulink工具建立仿真场景,以研究所提出的混合存储系统的运行情况。
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引用次数: 2
期刊
2020 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)
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