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2017 International Conference on Data Management, Analytics and Innovation (ICDMAI)最新文献

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Identification of underground cable fault location and development 地下电缆故障定位与发展的识别
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073476
M. Hans, Snehal C. Kor, A. S. Patil
As India emerging as a developing country, civilized area is also increasing day by day. As underground cables are best under such conditions its utilization is also growing because of its obvious advantages like lower transmission losses, lower maintenance cost and they are less susceptible to the impacts of severe weather and so many. But it is having few disadvantages too like expensive installation and detection of fault location. As it is not visible it becomes difficult to find exact location of the fault. In this paper we present two methods which will be very useful to identify the exact distance of fault of underground system from base station. One of the methods is Murray loop method and other one is Ohm's Law Method. Murray loop method uses the whetstone bridge to calculate exact distance of fault location from base station and sends it to the user mobile. Whereas in Ohm's law method, when any fault occurs, voltage drop will vary depending on the length of fault in cable, since the current varies. Both the methods use voltage convertor, microcontroller and potentiometer to find the fault location under LG, LL, LLL faults.
随着印度作为一个发展中国家的崛起,文明面积也日益增加。由于地下电缆具有传输损耗小、维护成本低、不易受恶劣天气影响等明显优势,因此在这种条件下,地下电缆的利用率也越来越高。但也存在安装费用昂贵、故障定位检测困难等缺点。由于不可见,很难找到故障的确切位置。本文提出了两种方法,这两种方法对确定地下系统故障与基站的准确距离非常有用。一种方法是默里环法,另一种方法是欧姆定律法。默里环法利用磨刀石桥计算出故障定位点到基站的精确距离,并将其发送到用户手机。而在欧姆定律法中,当故障发生时,由于电流的变化,电压降会随着故障电缆的长度而变化。这两种方法都是利用电压变换器、单片机和电位器在LG、LL、LL故障下找到故障位置。
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引用次数: 16
The impact of corporate governance and firm performance on chief executive officer's compensation: Evidence from central state owned enterprises in India 公司治理和公司绩效对首席执行官薪酬的影响:来自印度中央国有企业的证据
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073491
Sangeetha Gunasekhar, K. Dinesh
This paper looks at corporate governance in terms of board characteristics such as board size and proportion of independent or non executive directors and performance of the firm in determining the chief executive officer's (CEO) compensation. We have taken central state owned enterprises (SOEs) for our study for the year 2015. The SOEs include both listed and non listed firms. We have employed Partial Least Square (PLS) based on Structural Equation Modeling (SEM) technique to draw results.
本文着眼于公司治理的董事会特征,如董事会规模和独立或非执行董事的比例和公司的业绩在决定首席执行官(CEO)的薪酬。我们选取了中央国有企业作为2015年的研究对象。国有企业包括上市公司和非上市公司。我们采用了基于结构方程建模(SEM)技术的偏最小二乘法(PLS)来绘制结果。
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引用次数: 3
Intermittent demand forecasting for long tail SKUs 长尾库存单位的间歇性需求预测
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073537
Arnab Ghosh Dastidar
This paper provides systems and methods for the demand planner to improve forecasting intermittent long-tail demand by leveraging cluster-based processing. The proposed framework has been established on the demand data for a global power-generation business with reliable forecast number accuracy. The exploratory analysis encompasses both demand profiling and product classification stages, and the forecasting system identifies a cluster from historical demand data. Clustering aims to partition n products into k clusters, in which each product belongs to the cluster with the nearest product attribute. Demand of products within each cluster are aggregated, and the Unobserved Components time series Model (UCM) has been used to forecast at cluster level. Cluster-level forecasts are then disaggregated into child products based on the ratio of recent consumption.
本文为需求规划者利用基于集群的处理改进间歇性长尾需求的预测提供了系统和方法。该框架以全球发电企业的需求数据为基础,具有可靠的预测数字精度。探索性分析包括需求分析和产品分类两个阶段,预测系统从历史需求数据中确定一个集群。聚类的目的是将n个产品划分为k个聚类,每个产品都属于产品属性最接近的聚类。对各集群内的产品需求进行了汇总,并利用未观察组件时间序列模型(unobservable Components time series Model, UCM)在集群层面进行了预测。然后根据最近消费的比例将集群级预测分解为儿童产品。
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引用次数: 0
Voltage-lift DC-DC converters for photovoltaic application-a review 光伏应用升压型DC-DC变换器综述
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073505
V. Savakhande, C. L. Bhattar, P. L. Bhattar
In today's scenario, the use of high voltage gain DC-DC converter has been increased. It has been attaining popularity due to their increasing practices and extensive application in photovoltaic, fuel cell energy system, uninterrupted power supply and electric vehicles. A compressive review is presented to demonstrate the various high-voltage gain DC-DC converter topologies, control strategies and recent trades. The most of topologies with high voltage conversion ratio, low cost and high efficiency performance are covered and classified into several categories.
在今天的场景中,高电压增益DC-DC变换器的使用已经增加。由于其在光伏、燃料电池能源系统、不间断电源、电动汽车等领域的广泛应用和日益普及。简要回顾了各种高压增益DC-DC转换器的拓扑结构、控制策略和最新交易。本文涵盖了大多数具有高电压转换比、低成本和高效率性能的拓扑结构,并将其分为几类。
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引用次数: 11
Block-Based Quantized Histogram (BBQH) for efficient background modeling and foreground extraction in video 基于块的量化直方图(BBQH)用于视频中高效的背景建模和前景提取
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073514
Satyabrata Maity, A. Chakrabarti, D. Bhattacharjee
This paper proposes an efficient way of background modeling and elimination for extracting foreground information from the video, applying a new block-based statistical feature extraction technique coined as Block Based Quantized Histogram (BBQH) for background modeling. The inclusion of contrast normalization and anisotropic smoothing in the preprocessing step, makes the feature extraction procedure more robust towards several unorthodox situations like illumination change, dynamic background, bootstrapping, noisy video and camouflaged conditions. The experimental results on the benchmark video frames clearly demonstrate that BBQH has successfully extracted the foreground information despite the various irregularities. BBQH also gives the best F-measure values for most of the benchmark videos in comparison with the other state of the art methods, and hence its novelty is well justified.
本文提出了一种有效的背景建模和消除方法,用于从视频中提取前景信息,应用一种新的基于块的统计特征提取技术——基于块的量化直方图(BBQH)进行背景建模。在预处理步骤中加入对比度归一化和各向异性平滑,使得特征提取过程对光照变化、动态背景、自举、噪声视频和伪装条件等非正统情况更具鲁棒性。在基准视频帧上的实验结果清楚地表明,尽管存在各种不规则性,BBQH还是成功地提取了前景信息。与其他最先进的方法相比,BBQH还为大多数基准视频提供了最佳的f测量值,因此它的新颖性是合理的。
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引用次数: 5
Video compression using DWT algorithm implementing on FPGA 视频压缩采用DWT算法在FPGA上实现
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073481
G. Joshi, Nilesh P. Bhosale
Video compression is one of the technique that is related to image processing which is widely used for video broadcasting, video conferencing, automotive, consumer, and many other applications. Requirement of memory size for the storage of recorded videos for various applications is a major problem. For the purpose of communication via video processing, the diminished memory size of the media is obtained by compression technique. The proposed system has been developed using Discrete Wavelet Transform (DWT) algorithm, MATLAB, XILINX platform and FPGA SPARTEN 3 board. This architecture of DWT is described and synthesized using system c language, and result is obtained by implementing design on FPGA. The proposed algorithm enables memory saving along with increasing signal to noise ratio, and the overall performance of the system is calculated.
视频压缩是一种与图像处理相关的技术,广泛应用于视频广播、视频会议、汽车、消费等领域。对存储各种应用程序录制的视频的内存大小的要求是一个主要问题。为了通过视频处理进行通信,采用压缩技术来减小媒体的内存大小。该系统采用离散小波变换(DWT)算法、MATLAB、XILINX平台和FPGA SPARTEN 3板开发而成。用系统c语言对该DWT体系结构进行了描述和综合,并在FPGA上进行了实现设计。该算法在提高信噪比的同时节省了内存,并计算了系统的整体性能。
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引用次数: 3
A 180 nm efficient low power and optimized area ALU design using gate diffusion input technique 基于栅极扩散输入技术的180nm高效低功耗优化面积ALU设计
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073484
M. Mukhedkar, Wagh Bhavesh Pandurang
Arithmetic and Logic block in processor is the most crucial and core component in CPU as well as number of Embedded and microprocessors. Power consumption and area are also main traits in ALU. Usually ALU is combinations of blocks which performs logical and arithmetical operations and are realized using circuits in combinational form. This paper depicts the major focus on to minimize the power consumption and reduce area by taking advantage of using GDI technique i. e. gate diffusion input technique. By using GDI technique the 4∗1multiplexer, 2∗1multiplexer as well as full adder are design. The simulation is performed by using Tanner ED tool in 180 nm technology and the results are compared with conventional pass transistor and CMOS logic. Using GDI technique the overall performance and efficiency of circuit also boost.
处理器中的算术逻辑块是CPU中最关键的核心部件,也是众多嵌入式处理器和微处理器的核心部件。功耗和面积也是ALU的主要特点。ALU通常是执行逻辑和算术运算的块的组合,并使用组合形式的电路来实现。本文介绍了利用GDI技术,即栅极扩散输入技术,最大限度地减少功耗和面积的主要重点。利用GDI技术设计了4 * 1复用器、2 * 1复用器和全加法器。利用Tanner ED工具在180nm工艺下进行了仿真,并与传统通管和CMOS逻辑进行了比较。采用GDI技术,提高了电路的整体性能和效率。
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引用次数: 6
Forecasting of sales by using fusion of machine learning techniques 利用融合机器学习技术预测销售
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073492
M. Gumani, Yogesh Korke, P. Shah, Sandeep S. Udmale, Vijay Sambhe, S. Bhirud
Forecasting is an integral part of any organization for their decision-making process so that they can predict their targets and modify their strategy in order to improve their sales or productivity in the coming future. This paper evaluates and compares various machine learning models, namely, ARIMA, Auto Regressive Neural Network(ARNN), XGBoost, SVM, Hy-brid Models like Hybrid ARIMA-ARNN, Hybrid ARIMA-XGBoost, Hybrid ARIMA-SVM and STL Decomposition (using ARIMA, Snaive, XGBoost) to forecast sales of a drug store company called Rossmann. Training data set contains past sales and supplemental information about drug stores. Accuracy of these models is measured by metrics such as MAE and RMSE. Initially, linear model such as ARIMA has been applied to forecast sales. ARIMA was not able to capture nonlinear patterns precisely, hence nonlinear models such as Neural Network, XGBoost and SVM were used. Nonlinear models performed better than ARIMA and gave low RMSE. Then, to further optimize the performance, composite models were designed using hybrid technique and decomposition technique. Hybrid ARIMA-ARNN, Hybrid ARIMA-XGBoost, Hybrid ARIMA-SVM were used and all of them performed better than their respective individual models. Then, the composite model was designed using STL Decomposition where the decomposed components namely seasonal, trend and remainder components were forecasted by Snaive, ARIMA and XGBoost. STL gave better results than individual and hybrid models. This paper evaluates and analyzes why composite models give better results than an individual model and state that decomposition technique is better than the hybrid technique for this application.
预测是任何组织决策过程中不可或缺的一部分,这样他们就可以预测他们的目标并修改他们的战略,以便在未来提高他们的销售或生产力。本文评估和比较了各种机器学习模型,即ARIMA,自动回归神经网络(ARNN), XGBoost, SVM,混合模型如Hybrid ARIMA-ARNN, Hybrid ARIMA-XGBoost, Hybrid ARIMA-SVM和STL分解(使用ARIMA, Snaive, XGBoost)来预测一家名为Rossmann的药店公司的销售额。训练数据集包含过去的销售和关于药店的补充信息。这些模型的准确性由MAE和RMSE等指标来衡量。最初,ARIMA等线性模型已被用于预测销售。ARIMA无法精确捕获非线性模式,因此使用了Neural Network, XGBoost和SVM等非线性模型。非线性模型优于ARIMA模型,且RMSE较低。然后,为了进一步优化性能,采用混合技术和分解技术设计了复合模型。采用Hybrid ARIMA-ARNN、Hybrid ARIMA-XGBoost、Hybrid ARIMA-SVM,均优于各自的模型。然后利用STL分解设计复合模型,利用Snaive、ARIMA和XGBoost对分解后的季节分量、趋势分量和剩余分量进行预测。STL模型的结果优于单个模型和混合模型。本文评估和分析了为什么复合模型比单个模型给出更好的结果,并指出在这种应用中分解技术比混合技术更好。
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引用次数: 29
PRIVACY preservation in big data using anonymization techniques 使用匿名化技术的大数据隐私保护
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073538
Tanashri Karle, D. Vora
In todays world each individual wish that his private information is not revealed in some or the other way. Privacy preservation plays a vital role in preventing individual private data preserved from the praying eyes. Anonymization techniques enable publication of information which permit analysis and guarantee privacy of sensitive information in data against variety of attacks. It sanitizes the information. It can also keep the person anonymous using encryption technique. There are various anonymization techniques and algorithms available which are discussed in this paper. Paper focuses on Generalization and Suppression techniques and describes Datafly and Mondrian algorithm and also discusses their comparison.
在当今世界,每个人都希望他的私人信息不会以这样或那样的方式被泄露。隐私保护在防止个人隐私数据被偷窥方面起着至关重要的作用。匿名化技术使信息的发布成为可能,从而可以对数据中的敏感信息进行分析,并保证其隐私免受各种攻击。它净化了信息。它还可以使用加密技术保持用户匿名。本文讨论了各种可用的匿名化技术和算法。本文重点介绍了泛化和抑制技术,对Datafly算法和Mondrian算法进行了描述,并对它们进行了比较。
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引用次数: 20
Development of fault current limiters: A review 故障限流器的发展综述
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073496
Sagar S. Patil, A. Thorat
Fault current limiters (FCLs) have been instrumental on industrial level, with their enhanced power quality with respect to voltage sag mitigation, reduced upgrading of switchgears and prevention of protection system equipment from severe damages. Due to the industrial growth in power system network, there is an essential need for FCL. Recent work on FCL has picked up a quicker pace in the area of fault diagnosis of power system. Traditional methods such as fuse, Circuit Breakers (CBs) and Transformers etc. are used for limiting the fault current in the power network. But then again fuse is a single use device and takes manual replacement, also CBs have limitations of higher ratings. Transformer inrush current is another problem. This paper presents a detailed review of various fault current limiter configurations, control strategies, recent trends and their implementation for particular applications.
故障电流限制器(FCLs)在工业层面上发挥了重要作用,因为它们在缓解电压暂降方面提高了电能质量,减少了开关设备的升级,并防止保护系统设备受到严重损坏。随着电网工业的发展,对整柜的需求越来越大。近年来,FCL在电力系统故障诊断领域的研究进展较快。传统的限制电网故障电流的方法有熔断器、断路器、变压器等。但是保险丝是单次使用的装置,需要人工更换,而且CBs也有更高评级的限制。变压器涌流是另一个问题。本文详细介绍了各种故障限流器配置、控制策略、最新趋势及其在特定应用中的实现。
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引用次数: 7
期刊
2017 International Conference on Data Management, Analytics and Innovation (ICDMAI)
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