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2019 IEEE International Conference on Innovations in Communication, Computing and Instrumentation (ICCI)最新文献

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Error estimation in ballistic missile trajectory using Kalman Filter 基于卡尔曼滤波的弹道导弹弹道误差估计
Anumit Garg, K. S. Nagla
The Kalman Filter is a very successful and popular tool for the estimation of posterior information of several engineering and non-engineering applications. In engineering applications, the estimation of the state of a ballistic missile is an important requirement for the reliable deployment of an anti ballistic missile (ABM) system. But during the measurement of its flight through radar there are many disturbances that tend to add significant amount of error in its readings thus reducing the effectiveness of ballistic missile defense system. Many researches conducted in the field estimated the state of the missile and tried to minimize the error by using various techniques such as Bayesian theorem, Kalman filter and extended Kalman filter. This research examines the Radar related errors, studies the extent of its impacton ABM system and proposes a solution to minimize the errors and increase the effectiveness of the system. The results obtained are used for error estimation in the filtered radar data and theoretically predicted trajectory of the missile. This approach considerably reduces the error and achieves a high level of accuracy in target interception.
卡尔曼滤波是一种非常成功和流行的工具,用于估计后验信息的一些工程和非工程应用。在工程应用中,弹道导弹的状态估计是反弹道导弹系统可靠部署的重要要求。但在雷达对其飞行测量过程中,存在许多干扰,往往会增加其读数的显著误差,从而降低了弹道导弹防御系统的有效性。在该领域的许多研究都利用贝叶斯定理、卡尔曼滤波和扩展卡尔曼滤波等各种技术来估计导弹的状态,并试图使误差最小化。本文研究了雷达相关误差,研究了其对反弹道导弹系统的影响程度,并提出了最小化误差和提高系统效能的解决方案。所得结果用于滤波后雷达数据的误差估计和导弹弹道的理论预测。这种方法大大减少了误差,实现了高水平的目标拦截精度。
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引用次数: 0
[Copyright notice] (版权)
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引用次数: 0
Operation and Control of Non-isolated Interleaved Bidirectional DC-DC Converter Integrated with Solar PV system 与太阳能光伏系统集成的非隔离交错双向DC-DC变换器的运行与控制
Kunal Pathak, S. Trivedi, M. H. Ayalani
The renewable energy sources supplying power to the microgrid can have fluctuating power characteristics depending on the environmental conditions. As renewable sources and connected loads have varying power nature, voltage instability conditions arises. To provide a stable voltage at a nominal level as per the standards is the main concern of any power supply network. This paper focuses on Non-isolated Bidirectional Interleaved DC- DC Converter (NIBIC) with battery storage. The NIBIC is controlled based on the voltage of the DC bus, connected to photovoltaic sources with maximum power point tracking technique (MPPT) via boost converter and load. The control circuit of bidirectional DC-DC converter includes current and voltage loop for operating the converter under different operating modes. This paper elaborates the operation of the system in the varying load conditions as well as in the varying irradiance conditions. The simulation model is built in Simulink (MATLAB) environment and the results of the simulation shows the effectiveness of the control strategy.
为微电网供电的可再生能源在不同的环境条件下具有波动的功率特性。由于可再生能源和连接的负载具有不同的功率性质,因此产生了电压不稳定的情况。根据标准提供标称水平的稳定电压是任何供电网络的主要关注点。本文主要研究带电池存储的非隔离双向交错DC- DC变换器(NIBIC)。NIBIC基于直流母线的电压控制,通过升压转换器和负载连接到具有最大功率点跟踪技术(MPPT)的光伏电源。双向DC-DC变换器的控制电路包括电流回路和电压回路,用于在不同工作模式下对变换器进行操作。本文阐述了系统在变负荷和变辐照度条件下的运行情况。在Simulink (MATLAB)环境下建立了仿真模型,仿真结果表明了控制策略的有效性。
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引用次数: 3
[Title page] (标题页)
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引用次数: 0
Design and Implementation of Soft Switching based Push Pull Converter for LED Application 基于软开关的LED推拉变换器的设计与实现
Kalariya Chandresh, M. V. Makwana, R. N. Rathod
This paper represents soft switching based push-pull converter for LED application. This prominence of this topology is to reduce conduction loss, higher efficiency and low switching loss. This topology use zero voltage switching to reduce conduction loss. The push pull converter is used as a DC-DC converter very appropriate for low and medium power application. High efficiency, reduced ripple, low switching loss predominance of this application. Here increasing the switching frequency achieve high power density and reduce complexity of the circuit and also they have less component used. Here lower switching loss can be obtained by ZVS method. Here 48 V dc is converted into 12 V dc and switching frequency take 100 KHz, resonance frequency take 300 KHz to obtain soft switching. Here LED application used as a load. This topology is simulated in PSIM.
介绍了一种应用于LED的软开关推挽变换器。这种拓扑结构的突出特点是传导损耗小,效率高,开关损耗低。该拓扑使用零电压开关来降低导通损耗。推挽变换器是一种非常适合中、低功率应用的DC-DC变换器。效率高,纹波减小,开关损耗低是本应用的优势。提高开关频率可以实现高功率密度,降低电路复杂度,减少元件使用量。采用ZVS方法可以获得较低的开关损耗。这里将48v直流电转换成12v直流电,开关频率取100khz,共振频率取300khz以获得软开关。这里LED应用被用作负载。该拓扑在PSIM中进行了模拟。
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引用次数: 0
A survey on Face Recognition Technique 人脸识别技术综述
Ramesh Sithara, R. Rajasree
Face recognition has attracted tremendous notice since it has numerous applications in computer vision, communication and automatic control systems. Face recognition frameworks either perform face verification or face identification. Face Detection is the first and most fundamental step in face recognition, and its essential point is to decide if there is a face in an image or not. Be that as it may, automatic face discovery is a mind boggling issue in image and video processing. Anticipating facial features is another major task in facial analysis and is an important step in face identification. Both these tasks are challenging because faces differ in size, shape, color, due to messy background, different face orientation and large fluctuations of the features in different images etc. The main objective of this paper is to provide an overview of some of the popular face recognition approaches and techniques and to compare them.
人脸识别在计算机视觉、通信和自动控制系统中有着广泛的应用,引起了人们的广泛关注。人脸识别框架执行人脸验证或人脸识别。人脸检测是人脸识别的第一步,也是最基本的一步,其本质是判断图像中是否存在人脸。尽管如此,自动人脸发现在图像和视频处理中是一个令人难以置信的问题。人脸特征预测是人脸分析的另一项重要任务,是人脸识别的重要步骤。这两项任务都具有挑战性,因为人脸的大小、形状、颜色不同,背景杂乱,人脸方向不同,不同图像中的特征波动较大等。本文的主要目的是概述一些流行的人脸识别方法和技术,并对它们进行比较。
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引用次数: 0
Web Automation in Health Care 医疗保健中的Web自动化
S. Ganesh, A. Celestina, R. Jayashree, K.V. HariPriya
Today's business applications are widely structured on web-based systems that involve information which is dense and demands extensive processing. Many of the tasks involved are repetitive, tedious that take up lot of time and money. Tasks which are periodical like form filling, screen scraping, data extraction and transfer between applications, website testing and periodical report generation are the major tasks that are readily benefitted from web automation. Our project aims at automation of web using RPA technology in healthcare industry, where a software robot or bot that mimics a human worker, logging into applications, entering data, calculating and completing tasks, and logging out.
今天的业务应用程序广泛地构建在基于web的系统上,这些系统涉及的信息非常密集,需要大量的处理。其中的许多任务都是重复的、乏味的,需要花费大量的时间和金钱。周期性的任务,如表单填写、屏幕抓取、数据提取和应用程序之间的传输、网站测试和周期性报告生成,是很容易从web自动化中受益的主要任务。我们的项目旨在使用RPA技术在医疗保健行业实现web自动化,其中一个软件机器人或机器人模仿人类工作人员,登录到应用程序,输入数据,计算和完成任务,并注销。
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引用次数: 1
Directional assistant for the visually impaired with data logger for anti-trafficking 为视障人士提供指路助手,并附有反拐卖的数据记录器
Basudha Bhattacharjee, Antara Das, Z. Livinsa, G. Valantina
Mobility is an important aspect of life, for day to day responsibilities, taking care of oneself, and for getting through life in general. While most people are blessed with the ability to do so, a few unfortunate ones face a lot of problems, and have to go through life while being assisted in some way or the other by people around them. The main inspiration behind this idea is to minimize the dependability of the visually impaired people, so as to help them move around a little bit easily than usual. This paper proposes a model and a system to navigate through unknown roads with safety and also provides an option of storing the user's location into a cloud for tracking purpose, which could also fight the problem of human trafficking.
机动性是生活的一个重要方面,对于日常责任、照顾自己以及度过一生都是如此。虽然大多数人都有幸有能力这样做,但少数不幸的人却面临许多问题,不得不在周围人的帮助下度过一生。这个想法背后的主要灵感是尽量减少视障人士的可靠性,从而帮助他们比平时更容易地走动。这篇论文提出了一个模型和一个系统,可以安全地通过未知的道路,还提供了一个将用户的位置存储到云中的选项,用于跟踪目的,这也可以打击人口贩运问题。
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引用次数: 0
Malware Variants Detection Methods 恶意软件变体检测方法
Rinu Rani Jose, A. Salim
Malware industry is growing exponentially and the Internet is used as an entry point by most of the malwares. Thus the Internet security have been severely affected by the drastic growth of malwares. Malware detection is critical for protection against data theft, security breaches and other dangers. But the detection techniques continues to be challenging, as the attackers invent new techniques in order to resist the detection methods. It is reported that over 98% of the new malwares are exactly the derivatives of already existing malware families. Thus efficient techniques are required for the identification of malware variants or samples. This paper aims to overview various techniques developed so far for malware detection. Each of the examined techniques relies on either static, or dynamic or a combined approach.
恶意软件行业呈指数级增长,互联网被大多数恶意软件用作入口点。因此,网络安全受到了恶意软件急剧增长的严重影响。恶意软件检测对于防止数据盗窃、安全漏洞和其他危险至关重要。但是检测技术仍然具有挑战性,因为攻击者发明了新的技术来抵抗检测方法。据报道,超过98%的新恶意软件都是现有恶意软件家族的衍生产品。因此,需要有效的技术来识别恶意软件变体或样本。本文旨在概述迄今为止开发的各种恶意软件检测技术。所研究的每一种技术都依赖于静态、动态或组合方法。
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引用次数: 0
Performance Evaluation of Secured Co-operative Networks using Diversity Combining Techniques 基于多样性组合技术的安全合作网络性能评估
Vineetha Mathai, A. Chithra, P. Indumathi
The Spectrum scarcity is a major issue faced in wireless communication nowadays. To mitigate this problem, cognitive radio technology is the solution since utilizes the spectrum in an adaptable manner. The security of the cognitive radio was achieved by implementing relay selection scheme in the Physical layer. In underlay cognitive network due to the coexistence of primary user and secondary user, The Secondary user must in turn guard the primary user from the Eavesdropper. Here Cooperative diversity combining is incorporated with relay nodes in multipath fading environment to improve the secrecy performance in terms of Secrecy Outage Probability and Bit Error Rate (BER). The secrecy rate of the cognitive radio network has been analyzed with and without relay. It is obvious that Maximal ratio combining outperforms Selection combining scheme since the signals from each channel are added together. From the numerical results it is evident that BER comes down to 10−3 which is the required standard value for the wireless fading environment. Also the Outage probability with Amplify and Forward (AF) plus direct transmission gives the best performance compared to direct transmission.
频谱短缺是当今无线通信面临的主要问题。为了缓解这一问题,认知无线电技术是一种解决方案,因为它以一种自适应的方式利用频谱。通过在物理层实现中继选择方案,实现了认知无线电的安全性。在底层认知网络中,由于主用户和从用户共存,从用户必须反过来保护主用户免受窃听者的攻击。在多径衰落环境下,利用中继节点的协同分集组合,从保密中断概率和误码率两方面提高了保密性能。分析了有中继和无中继两种情况下认知无线网络的保密率。由于每个信道的信号都是加在一起的,因此最大比值组合方案明显优于选择组合方案。从数值结果可以明显看出,误码率降低到10−3,这是无线衰落环境所要求的标准值。此外,与直接传输相比,放大和转发(AF)加直接传输的中断概率提供了最佳性能。
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2019 IEEE International Conference on Innovations in Communication, Computing and Instrumentation (ICCI)
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