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Modeling and Simulation of Single Phase Grid Connected Photovoltaic System 单相并网光伏系统建模与仿真
Arun Moyal
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引用次数: 0
Performance Analysis of Deep Learning and Statistical Models on Enhancing Stock Market Portfolio 深度学习与统计模型在股票市场投资组合优化中的性能分析
S. Reddy, S. Rao, Divyanshu Sharma
: Time series data is considered very useful in the domains of business, finance and economics. Stock market data specifically is generated at high volumes and excessively used for forecasting purposes for gaining wealth. The problem is challenging due to the dynamic nature of stock market fluctuations. Conventional techniques for prediction of next lag of time series data have been successful to an extent with statistical algorithms such as Exponential Smoothing and Autoregressive Integrated Moving Average (ARIMA). With the advent of deep learning architectures and advanced computational processors, we analyze the performance of such techniques for stock market forecasting. The paper presents performance comparison of Exponential Smoothing, ARIMA, Vanilla LSTMs and Stacked LSTM models. The empirical analysis concludes the superior performance of deep learning techniques with RMSE score as low as 3.208 on daily closing price stock data for a period of ten years. Furthermore, we also propose a portfolio optimization method to calculate returns and maintain profits while trading in stock market. The development process should go through relevant data selection, data preprocessing to eliminate noise and missing values to create the prediction model. Study of the right algorithm, accompanied by model assessment. The study presented in this paper uses the LSTM to forecast the stock market exchange activity. The findings indicate that advanced versions of LSTM appear to provide more detailed results than standard algorithms. It can be shown that this paradigm is efficient for both private traders and corporate investors. They will obtain the potential actions of the movement of consumer rates and take the correct decision to make a profit. Different characteristics and facets of the industry should be addressed in future work to make forecasts more reliable. We also plan to use consumer feedback on the product to forecast the market shift.
时间序列数据被认为在商业、金融和经济领域非常有用。具体来说,股市数据是大量产生的,并被过度用于预测目的,以获取财富。由于股票市场波动的动态特性,这个问题具有挑战性。利用指数平滑和自回归综合移动平均(ARIMA)等统计算法,预测时间序列数据下一个滞后的传统技术已经在一定程度上取得了成功。随着深度学习架构和先进计算处理器的出现,我们分析了这些技术在股票市场预测中的性能。本文比较了指数平滑、ARIMA、Vanilla LSTM和堆叠LSTM模型的性能。实证分析表明,深度学习技术在10年的每日收盘价股票数据上RMSE得分低至3.208,表现优异。此外,我们还提出了一种投资组合优化方法来计算收益,并在股票市场交易中保持利润。开发过程中要经过相关的数据选择,数据预处理去噪和缺失值来创建预测模型。研究正确的算法,并进行模型评估。本文的研究使用LSTM来预测股票市场的交易活动。研究结果表明,先进版本的LSTM似乎比标准算法提供了更详细的结果。可以证明,这种模式对私人交易者和公司投资者都是有效的。他们将获得消费者利率运动的潜在行动,并采取正确的决策来获利。在今后的工作中,应针对该行业的不同特点和方面,使预测更加可靠。我们还计划利用消费者对产品的反馈来预测市场的变化。
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引用次数: 0
Equations of Flying-Airboat Control Response Determination Movement Due to the Ground Effect 考虑地面效应的飞艇控制响应确定运动方程
Hellstrome Young Akuma, M. Arifin
A flying-airboat is a concept of a wing-in-ground (WIG) craft that seeks to take advantage of desirable characteristics within the ground effect, to provide versatile solutions to sea transportation needs in the Southeast Asia region. Previous research has shown that bodies traveling within the ground effect experience an improved lift-to-drag ratio, which translates to significantly better performance. The FAB is a concept that seeks to take advantage of these benefits through a design that facilitates motion entirely within the ground effect. By applying the relevant equations of motion and incorporating various physical design parameters of the concept, a non-linear model can be implemented on the MATLAB/Simulink platform. A simulation of the model shows relative improvements in the performance, response, and stability of the FAB concept subjected to the ground effect as compared to its motion within a free airstream.
飞艇是一种翼在地面(WIG)飞行器的概念,旨在利用地面效应的理想特性,为东南亚地区的海上运输需求提供多功能解决方案。先前的研究表明,在地面效应下飞行的物体会获得更好的升阻比,从而显著提高性能。FAB是一个概念,旨在利用这些优势,通过设计,促进运动完全在地面效应。通过应用相关的运动方程,结合该概念的各种物理设计参数,可以在MATLAB/Simulink平台上实现非线性模型。对该模型的模拟表明,与在自由气流中运动相比,FAB概念在地面效应下的性能、响应和稳定性都有了相对的改善。
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引用次数: 0
Novel Approach for Network Intrusion Detection using Machine Learning 基于机器学习的网络入侵检测新方法
Sachi Pandey
Advancement in the technologies has led to increment in the massive amount of data that massive amount of generated data has to be secured in such way that third party should not be able to take control over them The online platforms such as face book which has large number of users are the main sources of generating large amount of data ,each users activity on the internet is being captured in one or the other ways, security of network has become a great challenge in this modern era. Hence it has become very important to build an effective intrusion detection system. We have implemented a compressive survey of some of the major machine learning techniques based on Naïve Bays Classifier, K Nearest Neighbors Classifier, Decision Tree Classifier and the Logistic Regression in this paper.
技术的进步导致了大量的增量数据,生成大量的数据必须是第三方担保等方式不应该能够控制他们的在线平台,如脸书的主要来源是大量的用户生成大量的数据,每个用户活动在互联网上被捕获在一个或另一个方面,网络安全已经成为一个巨大的挑战在这个现代。因此,建立一个有效的入侵检测系统就显得尤为重要。在本文中,我们对基于Naïve bayes分类器、K近邻分类器、决策树分类器和逻辑回归的一些主要机器学习技术进行了压缩调查。
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引用次数: 0
Integrated Framework To Mitigate Risks During Strategy Implementation 在战略实施过程中降低风险的综合框架
A. Mahmoud, Omer Osman
: In today's competitive business environment, business entities are faced with greater uncertainties (threats and opportunities) as they strive to create value. In the quake of the current global economic crisis, businesses in a bid to stay competitive have taken several crucial measures. However, for companies to keep track of their strategies, achieve their strategic objectives and reduce the impact of uncertainties, appropriate decisions should be made with a solution that reduces the impact of risks. Technical reports from companies showed that there is deviation from their original strategic plan tracks, and they are unable to achieve their strategic objectives. A preliminary study was conducted to identify the factors that lead to inefficiencies during strategic plan implementation. The result of the preliminary study showed that there is lack of risk management, especially information and incentive alignment risks. This research aims to propose a framework that mitigates risks during strategy implementation, through how the key choices made in strategy will either increase or reduce two characteristic types of risk (information and incentive alignment risks). These two types of risk (which are not mentioned in depth in other or past types of risk management categories) are the key inefficiency creators in the strategic planning and decision making that arise because of decision patterns. The proposed framework considers how to question the key decisions and how to turn inefficiencies into opportunities and points of power to create value. The proposed framework also presents essential fundamental concepts and enablers for achieving sustainable performance such as developing organizational capability, creative thinking, innovation, agility, succeeding through people and sustained outstanding results. The framework presents a mechanism to identify and assess the information and incentive alignment risks in the key decisions. The developed framework helps to reinvent desired strategic performance which lies in changing how decisions are made .
在当今竞争激烈的商业环境中,商业实体在努力创造价值的同时面临着更大的不确定性(威胁和机会)。在当前全球经济危机的冲击下,企业为了保持竞争力采取了几项关键措施。然而,对于公司来说,为了跟踪他们的战略,实现他们的战略目标,减少不确定性的影响,应该用一个减少风险影响的解决方案做出适当的决策。来自企业的技术报告表明,他们偏离了原来的战略计划轨道,无法实现他们的战略目标。进行了一项初步研究,以确定在战略计划执行过程中导致效率低下的因素。初步研究结果表明,我国企业存在风险管理不足的问题,尤其是信息风险和激励风险。本研究旨在通过战略中的关键选择如何增加或减少两种特征类型的风险(信息风险和激励对齐风险),提出一个减轻战略实施过程中的风险的框架。这两种类型的风险(在其他或过去类型的风险管理类别中没有深入提到)是由于决策模式而产生的战略规划和决策制定中的关键低效创造者。提出的框架考虑了如何质疑关键决策,以及如何将低效率转化为创造价值的机会和权力点。拟议的框架还提出了实现可持续绩效的基本概念和推动因素,如发展组织能力、创造性思维、创新、敏捷性、通过人员取得成功和持续的卓越成果。该框架提供了一种识别和评估关键决策中的信息和激励对齐风险的机制。开发的框架有助于重塑期望的战略绩效,这取决于改变决策的方式。
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引用次数: 0
Study on the Performance of Selected Solar Photovoltaic Systems Installed by Government Intervention Agencies in Delta State, Nigeria 尼日利亚三角洲州政府干预机构安装的太阳能光伏系统的性能研究
S. Agaja, B. Ajibade, A. Nwaezeapu, A. Igbinosun
This study evaluated the performance of selected solar photovoltaic (PV) projects installed by Federal and State government intervention agencies in Delta State, Nigeria. Thirty projects were studied, these projects were selected from Delta North, Central and South Senatorial Districts. The data for this study was obtained by using a structured questionnaire and field inspection. The data was statistically analysed using Kruskal-Wallis test at 5% and two-sample Ttest. The results of the field inspection revealed that the performance of the installed solar PV projects is significantly different (P> 0.05) between the two government agencies. There are number of factors that affects solar PV system performance in Delta State, Nigeria, these include; high cost, poor awareness, theft/ insecurity, poor maintenance and lack of technical manpower. Practical steps and measures that can promote better performance (installation, operation and maintenance) of solar PV system as a clean and sustainable source of energy in Delta State are also discussed.
本研究评估了尼日利亚三角洲州联邦和州政府干预机构安装的选定太阳能光伏(PV)项目的性能。研究了30个项目,这些项目选自三角洲北部、中部和南部参议院区。本研究的数据是通过结构化问卷调查和实地考察获得的。数据采用5%的Kruskal-Wallis检验和双样本Ttest进行统计分析。实地考察结果显示,两个政府机构安装的太阳能光伏项目的性能存在显著差异(P> 0.05)。影响尼日利亚三角洲州太阳能光伏系统性能的因素有很多,其中包括;成本高、意识差、盗窃/不安全、维护不善和缺乏技术人力。本文还讨论了促进太阳能光伏系统作为三角洲州清洁和可持续能源的更好性能(安装、运行和维护)的实际步骤和措施。
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引用次数: 0
Rapid Assessment of Monthly Variation of Physicochemical Status in the Ganga River, Hajipur, Bihar 比哈尔邦哈吉普尔恒河理化状况月变化的快速评价
P. Kumari, R. Singh
: The present research work is an attempt made of to measure water. Quality of Ganga river at hajipur, Bihar. Physico-Chemical status of the Ganga river were conducted during Nov.2017 to Oct 2019. On the basis of present study some parameters like temp., pH, TDS, Turbidity, Conductivity & Do are carried out in present research work. The result revealed well defined monthly variation. The whole river, at hajipur is getting polluted due to intense human activity.
当前的研究工作是测量水的一次尝试。比哈尔邦哈吉普尔的恒河水质。2017年11月至2019年10月对恒河的物理化学状况进行了研究。在现有研究的基础上,进行了温度、pH、TDS、浊度、电导率、Do等参数的研究。结果显示了月度变化。由于激烈的人类活动,hajipur的整条河都受到了污染。
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引用次数: 0
The Malaysian Graduate Readiness to be Employed in IR 4.0 马来西亚毕业生为工业4.0就业做好准备
K. Supian, E. Tanius, Rohaiza Mohamad Idaris
: Industrial Revolution 4.0 (IR4.0) has become the main issue and gain interest nationally and globally. The most affected of IR 4.0 is employment, particularly to the new graduates. The employment opportunity becomes condensed, and the requirement of the job changes dramatically. Hence, this study aimed to investigate the correlation between the new graduate knowledge, skill, technology, and readiness to be employed in IR 4.0. The core factors that contributed to the readiness for employment in 4.0 are also recognized. This study's participant is 255 students from two universities, one in public and the other from the private university using an online survey. Meanwhile, descriptive statistics, correlation, and multiple regressions use to analyze the data. The result indicated that technology and soft skills contributed to the readiness to employ in IR 4.0. However, the respondents agreed that they were a deficiency in using technology in their study. Additionally, the readiness was parallel in all of the universities. Finally, the result proposed that university and government as policymakers need to embed the IR 4.0 knowledge, skill, and technology used in the teaching and learning to ensure the graduates ready to enter the labor market.
工业革命4.0 (IR4.0)已经成为主要问题,并在国内和全球范围内引起了人们的兴趣。受工业4.0影响最大的是就业,尤其是对应届毕业生而言。就业机会变得越来越少,工作要求也发生了巨大的变化。因此,本研究旨在探讨新毕业生的知识、技能、技术与工业4.0就业准备之间的相关性。我们也认识到在4.0时代为就业做好准备的核心因素。这项研究的参与者是来自两所大学的255名学生,一所是公立大学,另一所是私立大学。同时,采用描述性统计、相关性和多元回归等方法对数据进行分析。结果表明,技术和软技能有助于在工业4.0中就业。然而,受访者一致认为他们在研究中使用技术方面存在不足。此外,所有大学的准备程度是相似的。最后,研究结果表明,作为政策制定者的大学和政府需要将工业革命4.0的知识、技能和技术融入到教学和学习中,以确保毕业生为进入劳动力市场做好准备。
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引用次数: 2
An Agile Methodology at Telecommunications Morpho 电信Morpho的敏捷方法论
Tiago F Alwes de Olivei
It is winding up clear, not minimum from the pages of this distribution, that lithe advancement strategies are being embraced or possibly considered by a developing number of programming improvement groups and associations. Regardless of whether you are as of now a functioning specialist coordinated advancement, or thinking about its appropriation on your venture, you will know about the business benefits that can be determined through quicker and increasingly powerful programming conveyance also the persuasive effect it can have on improvement groups[1]. On the other hand, possibly you work for a substantial association that presently cannot seem to make any genuine advances into dexterous improvement and are left considering how deftness could be made to chip away at a vast scale. In case you're in the last camp, or regardless of whether you are not effectively thinking about spry improvement in that capacity but rather are attempting to convey expansive and/or complex projects utilizing customary methodologies and wishing there was a superior way, at that point you are most likely where British Telecom (BT) wound up in 2004. [2]That was previously the landing in the organization of another CIO who methodically started supplanting the organization's long-standing cascadebased conveyance forms with one that encapsulated the key standards of nimble conveyance. This article shows a review of the methodology taken by BT, outlining how light-footed advancement standards can be connected effectively at the venture level. Obviously, the methodology taken by BT is not for the timid – it has incorporated a high level of hazard, and surely a great deal of torment. Presently very much into its second year be that as it may, even though the change is a long way from finish, it is as of now paying profits.
从本发行版的页面中可以清楚地看到,越来越多的方案拟订改进小组和协会正在接受或可能正在考虑这些改进战略。无论您现在是协调发展的功能专家,还是考虑将其用于您的企业,您都将了解通过更快且日益强大的编程传输可以确定的业务利益,以及它对改进小组的说服作用[1]。另一方面,可能你在为一个实质性的协会工作,而这个协会目前似乎无法在灵巧性的改进方面取得任何真正的进展,只能考虑如何在很大程度上使灵巧性逐渐消失。如果您属于最后一个阵营,或者无论您是否没有有效地考虑能力的快速改进,而是试图利用习惯的方法来传达扩展和/或复杂的项目,并希望有更好的方法,那么您很可能就是2004年英国电信(BT)的结局。[2]之前,另一位首席信息官在组织中着陆,他有条不紊地开始用一种包含灵活传递关键标准的方式取代组织中长期存在的基于级联的传递形式。本文回顾了英国电信采用的方法,概述了如何在风险层面上有效地连接轻快的进步标准。显然,英国电信采取的方法不适合胆小的人——它包含了很高的风险,当然也带来了很大的痛苦。现在已经进入了它的第二年,尽管它离完成还有很长的路要走,但它现在已经开始盈利了。
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引用次数: 0
Matrix Method for Determining Minimum Spanning Tree 确定最小生成树的矩阵法
Farhan Banu
This paper is concerned with Minimum Spanning Tree problem, a fundamental problem of Network modeling. Here we have proposed a novel approach to determine minimum spanning tree of an undirected connected network which is also demonstrated with numerical example.
本文研究了网络建模的一个基本问题——最小生成树问题。本文提出了一种确定无向连通网络最小生成树的新方法,并通过数值算例进行了验证。
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引用次数: 0
期刊
International Journal of Innovative Research in Engineering & Multidisciplinary Physical Sciences
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