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

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Recommendation system to simplify opinion formation 推荐系统简化意见形成
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073475
R. Vignesh, Kumar Rishabh
This paper aims at introducing a new way of recommending movies to users. It is an improvement on the existing approaches of Content Based Recommendation system and Collaborative Filtering. Creating similar feature vectors for both the users and movies, we update it with every passing recommendation made. We then find out the nearest user by calculating the difference in the feature using root mean square error technique. We finally draw out a conclusion and observe the cases where this outperforms other popular algorithms. We also look at its shortcomings and list the scope for future improvements that could be made.
本文旨在介绍一种向用户推荐电影的新方法。它是对现有的基于内容的推荐系统和协同过滤方法的改进。为用户和电影创建相似的特征向量,我们根据每一个通过的推荐更新它。然后,我们使用均方根误差技术通过计算特征的差值来找到最近的用户。我们最后得出结论,并观察这种算法优于其他流行算法的情况。我们还分析了它的缺点,并列出了未来可以改进的地方。
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引用次数: 0
Harmonic mitigation in traction supply system by using half bridge converter 半桥变换器在牵引供电系统中的谐波抑制
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073503
S. Madane, S. Deokar
The conventional electrified train locomotive load and large speed train load are having somewhat identical characteristics like enormous power, higher power factor, small harmonic factor and large negative sequence factor. As high unfavorable current introduced in to Supply system it have thoughtful results over the power supply system like additional losses due to motor vibration which causes increase in heat. Along with this it reduce the output of transformer and maloperation of relay system. Thus there might be vulnerability about the large accelerated train supply system and its power supply system also. In order to avoid all above consequences it will be significant to minimize negative sequence current and harmonic current. In this Paper we present the method for Power Conditioning of Traction system by using half bridge converter along with its result of reduced Harmonics using with compensation circuit. For maintaining the DC-link voltage absolute and complete with dynamic tracking of the referred current signals a double loop control planned for half bridge converter constant railway power conditioning. To get regular operation of HBRPC and to reduce the errors of capacitors voltages the balanced control method is used.
传统电气化列车机车负荷与高速列车负荷具有功率大、功率因数高、谐波因数小、负序因数大等相同的特点。由于在供电系统中引入了较大的不利电流,对供电系统产生了严重的影响,如电机振动引起的额外损耗,从而导致热量增加。同时减少了变压器的输出,减少了继电系统的误动。因此,大型加速列车供电系统及其供电系统可能存在脆弱性。为了避免上述后果,减小负序电流和谐波电流是非常重要的。本文介绍了利用半桥变换器对牵引系统进行功率调节的方法,以及采用带补偿电路降低谐波的效果。为了保持直流电压的绝对值,并完成对参考电流信号的动态跟踪,设计了半桥变换器铁路恒功率调节的双环控制。为了使HBRPC正常运行,减小电容器电压误差,采用了平衡控制方法。
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引用次数: 2
Power quality improvement using shunt active power filter 采用并联有源电力滤波器改善电能质量
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073501
Sagar S. Patil, R. Metri
In recent years, power electronics devices have evolved, and used for varies applications. Also, this device caused the problem of power quality in electrical system. In the utility side arc furnaces, variable frequency drives (VFD), personal computer, fluorescent lamp such non-linear load produces current harmonics. For consumer and distributed side the power quality is an important issue. The active power filter which is capable for improving the power quality and reactive power compensation. In this paper the harmonics problem which is created by non-linear load is discussed. Shunt active filter is used for eliminating the harmonics from non-linear load and in the retrieval technique for controlling the current hysteresis current controller is used. In this paper for producing the reference current instantaneous reactive power (PQ) theory is used. The simulation result of shunt active filter using PQ theory is carried out using Matlab-Simulink toolbox.
近年来,电力电子设备已经发展,并用于各种应用。同时,该装置还引起了电力系统的电能质量问题。在公用事业侧电弧炉、变频器、个人电脑、荧光灯等非线性负载中产生电流谐波。电能质量对用户和配电端都是一个重要的问题。具有改善电能质量和无功补偿功能的有源电力滤波器。本文讨论了非线性负荷产生的谐波问题。采用并联有源滤波器消除非线性负载的谐波,在电流滞后控制的检索技术中采用电流控制器。本文采用瞬时无功功率理论来产生参考电流。利用Matlab-Simulink工具箱对并联型有源滤波器进行了PQ理论仿真。
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引用次数: 14
Triple integration optimization techniques in data grid environment using OptorSim simulator 基于OptorSim模拟器的数据网格环境下的三重积分优化技术
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073499
D. Manjaiah, Abdo H. Guroob
Data Grid Environments consist of geographically distributed resources to solve scientific problems and tasks of researchers, scientists and engineers, which are difficult to accomplish by traditional methods based on computer networks. Scheduling and replication are considered some of the most important techniques used in data grid environments, which are used to improve performance and availability to get the best throughput in the shortest possible time. Thus, some algorithms are used for these purposes. Effective scheduling working to reduce the time of implementation of tasks (makespan) of the available resources in the data grid, while replication is working to provide appropriate places or replace similar data to accelerate job execution time. On the other hand, there is another technique, which is important as scheduling and replication, which can be used to reduce the time of implementation for a user request. This technique called Access Pattern, defines the order in which the files are requested for each job to accelerate the completion of the task. Most researchers are focusing on the scheduling, replication, or Access Pattern separately, which leads to variation in the results and gives them unsatisfactory results. The contribution of this paper is present the impact and effect of the triple integration of the three techniques to completing tasks in data grid environments by comparing the results of different algorithms available in the OptorSim simulator.
数据网格环境是由地理上分布的资源组成的,用于解决基于计算机网络的传统方法难以完成的研究人员、科学家和工程师的科学问题和任务。调度和复制被认为是数据网格环境中使用的一些最重要的技术,它们用于提高性能和可用性,以便在尽可能短的时间内获得最佳吞吐量。因此,一些算法被用于这些目的。有效的调度工作减少数据网格中可用资源的任务实现时间(makespan),而复制工作提供适当的位置或替换类似的数据以加快作业执行时间。另一方面,还有另一种技术,它与调度和复制一样重要,可用于减少用户请求的实现时间。这种称为访问模式的技术定义了为每个作业请求文件的顺序,以加速任务的完成。大多数研究人员分别关注调度、复制或访问模式,这导致了结果的变化,并给出了令人不满意的结果。本文的贡献是通过比较OptorSim模拟器中可用的不同算法的结果,介绍三种技术的三重集成对数据网格环境下完成任务的影响和效果。
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引用次数: 3
Comparative analysis of microstrip feed, CPW feed & ACS feed UWB antenna 微带馈电、CPW馈电和ACS馈电超宽带天线的比较分析
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073526
Jayesh Pathak, R. Labade
In this article, design, analysis and comparative study of three different feeding techniques for UWB antennas, namely the microstrip feed, CPW feed and ACS feed is carried out. First design microstrip feed line UWB antenna, which consists of circular radiating patch & destructive ground structure (DGS) of length Lg and width Wg. The ACS feed structure provides almost 50% size reduction as compared with the traditional microstrip or CPW feed antenna. The proposed antennas are fabricated on a FR-4 substrate of thickness h = 1.6mm having loss tangent of 0.02 and dielectric constant of ξr = 4.4 and has been analyzed using HFSS EM simulation software. The final ACS feed UWB antenna provides an impedance bandwidth of VSWR ≥2 over the frequency band of 2.4–11 GHz. The proposed antennas exhibits good electrical characteristics in both time and frequency domain giving stable gain, almost omni-directional radiation patterns making the antenna suitable for wireless applications.
本文对超宽带天线的微带馈电、CPW馈电和ACS馈电三种馈电技术进行了设计、分析和比较研究。首先设计了微带馈线超宽带天线,该天线由长Lg、宽Wg的圆形辐射贴片和破坏性地结构(DGS)组成。与传统的微带或CPW馈电天线相比,ACS馈电结构的尺寸减小了近50%。该天线采用厚度为h = 1.6mm、损耗正切为0.02、介电常数为ξr = 4.4的FR-4衬底制作,并采用HFSS电磁仿真软件进行了分析。最终的ACS馈电超宽带天线在2.4-11 GHz频段上的阻抗带宽为VSWR≥2。所提出的天线在时域和频域都具有良好的电气特性,具有稳定的增益和几乎全向的辐射模式,使天线适合无线应用。
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引用次数: 6
Survey of deep learning software tools 深度学习软件工具综述
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073516
Priyanka Sherkhane, D. Vora
Deep learning is the new big fastest growing field in machine learning. It can significantly change the way we see Artificial Intelligence and achieving their goal. This paper gives survey on different software tools. For comparing this software tools uses different types of deep learning algorithms and evaluate the performance of the software tools. Deep learning methods have resulted in significant performance in many applications and for that several software tools have been developed to facilitate their implementation.
深度学习是机器学习中增长最快的新领域。它可以显著改变我们看待人工智能和实现其目标的方式。本文对不同的软件工具进行了综述。为了进行比较,软件工具使用不同类型的深度学习算法,并评估软件工具的性能。深度学习方法已经在许多应用程序中产生了显著的性能,并且已经开发了一些软件工具来促进它们的实现。
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引用次数: 11
PIC16 based blowdown controller for industrial boilers 基于PIC16的工业锅炉排污控制器
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073486
Sourabh Jalnekar, Vijay Gaikwad
The general steam system consists of a boiler, piping and heat exchanger. The boiler generates steam, piping delivers steam from the boiler and returns condensate to the boiler and heat exchanger transfers heat to perform the work. The boiler is the heart of the steam system. The previous manual blowdown method consists of two cycles, viz. purge cycle and blowdown cycle. In purge cycle the operator periodically opens the blowdown valve to refresh the boiler water around the sensor before its impurity concentration is measured. In blowdown cycle, at the end of the purge duration the blowdown valve is closed and the impurity concentration is measured. If measured value is above the threshold value, water is blown down. However, this existing method requires continuous manual supervision and control actions. During this maneuver, timing constraints may arise which can affect the efficiency of boiler system. If the purge cycle is speeded up, the low concentration of impurities in water may lead to additional processing time for steam generation. On the other hand, if the purge cycle is delayed, the increased concentration of impurities in the boiler water will lead to adulterated steam. Such adulterated steam may cause damage to the relevant applications. In the proposed system, the above-mentioned drawbacks are overcome using a well-designed signal conditioning circuit and a micro-controller based control actions. This being a single step process eliminates the overhead of purge cycle and drawbacks due to the manual control of the blowdown valve. Thus the blowdown process becomes more precise and smooth. The proposed approach has attained the benefit of faster performance as compared to the existing blowdown controllers mitigating human errors. Further, the performance can be improved by combining temperature and conductivity sensors into a single module optimizing time and space. Also, data can be transmitted over a remote place for single or multiple boilers.
一般的蒸汽系统由锅炉、管道和热交换器组成。锅炉产生蒸汽,管道从锅炉输送蒸汽并将冷凝水返回锅炉,热交换器传递热量来完成工作。锅炉是蒸汽系统的核心。以前的手动排污方法包括两个循环,即吹扫循环和排污循环。在吹扫循环中,操作员在测量杂质浓度之前,定期打开排污阀,以刷新传感器周围的锅炉水。在排污循环中,在吹扫时间结束时,关闭排污阀,测量杂质浓度。如果测量值高于阈值,则水被吹落。然而,这种现有的方法需要持续的人工监督和控制动作。在这种机动过程中,可能会出现时间限制,从而影响锅炉系统的效率。如果吹扫周期加快,水中杂质浓度低可能会导致额外的蒸汽生成处理时间。另一方面,如果吹扫周期延迟,则锅炉水中杂质浓度的增加将导致掺假蒸汽。这种掺假蒸汽可能对相关应用造成损害。在该系统中,使用设计良好的信号调理电路和基于控制动作的微控制器克服了上述缺点。这是一个单步过程,消除了清洗周期的开销和由于手动控制排污阀而造成的缺点。因此,排污过程变得更加精确和顺利。与现有的减少人为错误的排污控制器相比,所提出的方法获得了更快的性能。此外,通过将温度和电导率传感器组合到单个模块中,可以优化时间和空间,从而提高性能。此外,单个或多个锅炉的数据可以通过远程传输。
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引用次数: 1
Hybrid space vector pulse width modulation voltage source inverter-a review 混合空间矢量脉宽调制电压源逆变器综述
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073510
Sumit R. Patil, V. Kalkhambkar
The latest trend in modern industrial application is the use of variable voltage supply to the AC drives from a three phase voltage source inverter (VSI). Different types of Pulse Width Modulation (PWM) scheme are used to modulate output voltage of VSI. The most commonly used PWM schemes for three-phase VSI are carrier-based sinusoidal PWM and Hybrid Space Vector PWM (HSVPWM). Researchers adequately prefer the use of HSVPWM because of their easier digital realization and better dc bus utilization. The advantages of HSVPWM are reduction of total harmonic distortion, improvement in output voltage and reduction of torque ripple in induction motor drives. This paper provides a comprehensive literature review on different topologies of HSVPWM. These includes Advanced Bus Clamped SVPWM (ABCSVPWM), Neutral Point Clamped SVPWM (NPCSVPWM) and Diode Clamped SVPWM (DCSVPWM).
现代工业应用的最新趋势是使用三相电压源逆变器(VSI)为交流驱动器提供可变电压电源。采用不同类型的脉宽调制(PWM)方案调制VSI的输出电压。三相VSI中最常用的PWM方案是基于载波的正弦PWM和混合空间矢量PWM (HSVPWM)。由于HSVPWM更易于数字化实现和更好的直流总线利用率,研究人员充分倾向于使用HSVPWM。HSVPWM的优点是降低了总谐波失真,提高了输出电压,减小了异步电机驱动的转矩脉动。本文对HSVPWM的不同拓扑结构进行了全面的文献综述。这些包括高级总线箝位SVPWM (ABCSVPWM),中性点箝位SVPWM (NPCSVPWM)和二极管箝位SVPWM (DCSVPWM)。
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引用次数: 3
Process trees & service chains can serve us to mitigate zero day attacks better 流程树和服务链可以帮助我们更好地减轻零日攻击
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073525
Vivek Bardia, Crs Kumar
With technology at our fingertips waiting to be exploited, the past decade saw the revolutionizing Human Computer Interactions. The ease with which a user could interact was the Unique Selling Proposition (USP) of a sales team. Human Computer Interactions have many underlying parameters like Data Visualization and Presentation as some to deal with. With the race, on for better and faster presentations, evolved many frameworks to be widely used by all software developers. As the need grew for user friendly applications, more and more software professionals were lured into the front-end sophistication domain. Application frameworks have evolved to such an extent that with just a few clicks and feeding values as per requirements we are able to produce a commercially usable application in a few minutes. These frameworks generate quantum lines of codes in minutes which leaves a contrail of bugs to be discovered in the future. We have also succumbed to the benchmarking in Software Quality Metrics and have made ourselves comfortable with buggy software's to be rectified in future. The exponential evolution in the cyber domain has also attracted attackers equally. Average human awareness and knowledge has also improved in the cyber domain due to the prolonged exposure to technology for over three decades. As the attack sophistication grows and zero day attacks become more popular than ever, the suffering end users only receive remedial measures in spite of the latest Antivirus, Intrusion Detection and Protection Systems installed. We designed a software to display the complete services and applications running in users Operating System in the easiest perceivable manner aided by Computer Graphics and Data Visualization techniques. We further designed a study by empowering the fence sitter users with tools to actively participate in protecting themselves from threats. The designed threats had impressions from the complete threat canvas in some form or other restricted to systems functioning. Network threats and any sort of packet transfer to and from the system in form of threat was kept out of the scope of this experiment. We discovered that end users had a good idea of their working environment which can be used exponentially enhances machine learning for zero day threats and segment the unmarked the vast threat landscape faster for a more reliable output.
随着技术触手可及,等待我们去开发,过去十年见证了革命性的人机交互。用户交互的便利性是销售团队的独特销售主张(Unique Selling Proposition, USP)。人机交互有许多需要处理的底层参数,如数据可视化和表示。随着对更好更快的演示的竞争,许多框架被所有软件开发人员广泛使用。随着对用户友好型应用程序需求的增长,越来越多的软件专业人员被吸引到前端复杂领域。应用程序框架已经发展到这样的程度,只需点击几下并根据需求输入值,我们就可以在几分钟内生成一个商业上可用的应用程序。这些框架在几分钟内生成量子行代码,留下了未来发现的错误轨迹。我们也已经屈服于软件质量度量中的基准,并且已经让自己对将来要纠正的有缺陷的软件感到满意。网络领域的指数级发展同样吸引了攻击者。由于三十多年来长期接触技术,人类在网络领域的平均意识和知识也有所提高。随着攻击的复杂程度越来越高,零日攻击变得比以往任何时候都更流行,尽管安装了最新的防病毒、入侵检测和保护系统,但受害的最终用户只能得到补救措施。我们设计了一个软件,在计算机图形学和数据可视化技术的帮助下,以最容易感知的方式显示用户操作系统中运行的完整服务和应用程序。我们进一步设计了一项研究,通过赋予围栏坐骑用户工具,积极参与保护自己免受威胁。设计的威胁以某种形式或其他限制系统功能的形式从完整的威胁画布中留下印象。网络威胁和任何形式的数据包传输以威胁的形式进出系统被排除在这个实验的范围之外。我们发现最终用户对他们的工作环境有一个很好的想法,可以使用指数增强零日威胁的机器学习,并更快地分割未标记的巨大威胁景观,以获得更可靠的输出。
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引用次数: 0
Implementation of Machine Learning Algorithm for predicting user behavior and smart energy management 机器学习算法在用户行为预测和智能能源管理中的实现
Pub Date : 2017-02-01 DOI: 10.1109/ICDMAI.2017.8073480
R. Rajasekaran, S. Manikandaraj, R. Kamaleshwar
A greater interest arises in reducing our energy needs as electrical energy becomes more costly and the environmental effects of fossils become more deceptive. Objectives to find new ways of making our everyday lives more energy efficient have now became an essential part of the tussle to sustain our present quality of living. This project targets domestic usage which has a more direct approach in changing the way we consume energy. In this project we take up House Hold Loads as the application but this project can also be applied for large industrial loads. Smart energy metering and normalized energy data on load usage are one of the major goal setters for the future smart grid and improved energy efficiency in smart homes. Load Monitoring (LM) is essential for energy management and cost fixing. To obtain appliance-specific energy consumption statistics that can further be used to formulate load scheduling strategies for optimal energy utilization, disaggregation of Load is essential. Non-Intrusive Load Monitoring (NILM) is an alternative and best method for Load Disaggregation, as it can distinguish devices from the aggregated data measured at only a centralized location. In this paper we provide an experimental idea of using NILM technology by actually implementing sub-metering system for each load to forecast its futuristic development on the basis of bin packing algorithms and feedback systems controlled by the Machine Learning Algorithm to end up with an energy efficient smart home and smart grids.
随着电能变得越来越昂贵,化石对环境的影响越来越具有欺骗性,减少我们的能源需求引起了人们更大的兴趣。寻找新的方法,使我们的日常生活更节能的目标,现在已经成为维持我们目前的生活质量的斗争的重要组成部分。这个项目的目标是家庭使用,这在改变我们消耗能源的方式方面有更直接的方法。在这个项目中,我们采用家庭保持负载作为应用,但这个项目也可以应用于大型工业负载。智能能源计量和负荷使用的规范化能源数据是未来智能电网和提高智能家居能源效率的主要目标之一。负荷监测(LM)对于能源管理和成本确定至关重要。为了获得特定设备的能耗统计数据,从而进一步用于制定最佳能源利用的负载调度策略,必须对负载进行分解。非侵入式负载监测(NILM)是负载分解的一种替代和最佳方法,因为它可以从仅在集中位置测量的聚合数据中区分设备。在本文中,我们提供了一个使用NILM技术的实验想法,通过实际实施每个负载的分计量系统来预测其未来的发展,基于装箱算法和由机器学习算法控制的反馈系统,最终实现节能智能家居和智能电网。
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引用次数: 17
期刊
2017 International Conference on Data Management, Analytics and Innovation (ICDMAI)
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