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SpotiPred: A Machine Learning Approach Prediction of Spotify Music Popularity by Audio Features SpotiPred:一种通过音频特征预测Spotify音乐受欢迎程度的机器学习方法
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776765
Joshua S. Gulmatico, Julie Ann B. Susa, M. A. Malbog, Aimee G. Acoba, Marte D. Nipas, Jennalyn N. Mindoro
Music consumption patterns could alter due to digitization, and music popularity was redefined in the streaming era. The number of people using Spotify is constantly growing. It has risen to become one of the most popular internet music providers in recent years. People have been listening to my favorite performers and receiving new song recommendations via the Spotify app for the past year. The research looks at the relationship between song data – audio attributes from the Spotify database (for example, key and tempo) – and song popularity, as measured by the number of Spotify streams a song has. To develop a high accuracy model for predicting hit songs, the researcher investigates four machine learning algorithms (MLAs): Linear Regression, Random Forest Classifier, and K-means Clustering. This study presents a prediction model for determining whether a piece of music is popular in the mainstream and using machine learning to classify songs based on their popularity.
音乐消费模式可能会因为数字化而改变,音乐的受欢迎程度在流媒体时代被重新定义。使用Spotify的人数在不断增长。近年来,它已成为最受欢迎的互联网音乐提供商之一。在过去的一年里,人们一直在听我最喜欢的表演者,并通过Spotify应用程序接收新歌推荐。这项研究着眼于歌曲数据——来自Spotify数据库的音频属性(例如,音调和节奏)——与歌曲受欢迎程度之间的关系,受欢迎程度是通过一首歌曲在Spotify的播放次数来衡量的。为了开发预测热门歌曲的高精度模型,研究人员研究了四种机器学习算法(mla):线性回归、随机森林分类器和K-means聚类。本研究提出了一个预测模型,用于确定一段音乐是否在主流中流行,并使用机器学习根据其受欢迎程度对歌曲进行分类。
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引用次数: 2
Computerized Data-Preprocessing To Improve Data Quality 计算机数据预处理提高数据质量
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776676
Rohan Gawhade, Lokesh Ramdev Bohara, Jesvin Mathew, Poonam Bari
Machine Learning (ML) has seen a sudden exponential rise in past decades. Numerous resources and documentation allow people to become ML practitioners. Companies make huge profits out of the analysis and predictions they make. ML Engineers are highly paid for their knowledge in this domain. It has become prevalent and much more comprehensible. One best out of the important stages in ML is Data preprocessing, and feature extraction. In Data Preprocessing itself, there are various tasks one needs to perform accurately to make the data provided. From handling missing values to encoding and normalization, each step has its importance and hence a professional must be adept with each of these steps. Data Preprocessing steps depend upon the type of data provided i.e. categorical data, continuous data, an array of images' pixels or even images themselves. With the requirement to deal with all the cleaning steps, it becomes quite strenuous to learn and become an expert. Moreover, it is time-consuming and does not guarantee expected results. Hence, there is a need to handle this issue. We aim to automate this complete process to ease the work of Machine Learning Engineers and make it more productive. Any user will only have to provide the dataset and does not have to manually select the processing techniques as provided by the latest Data Mining tools. The application will observe the dataset and apply the suitable techniques on its own. Since all the steps will be automated and the user will only have to provide the dataset, even the people who are not familiar with concepts of Machine Learning can pre-process the dataset. This allows the opening of opportunities for people from various domains who desire to perform Machine Learning operations.
在过去的几十年里,机器学习(ML)突然呈指数级增长。大量的资源和文档使人们能够成为ML实践者。公司从他们所做的分析和预测中获得巨额利润。机器学习工程师因其在该领域的知识而获得高薪。它变得很流行,也更容易理解。机器学习中最重要的一个阶段是数据预处理和特征提取。在数据预处理本身中,需要准确地执行各种任务才能提供数据。从处理缺失值到编码和规范化,每个步骤都有其重要性,因此专业人员必须熟练掌握这些步骤。数据预处理步骤取决于所提供的数据类型,即分类数据、连续数据、图像像素数组甚至图像本身。由于需要处理所有的清洁步骤,学习和成为专家变得相当艰苦。此外,它是耗时的,并不能保证预期的结果。因此,有必要处理这个问题。我们的目标是自动化这个完整的过程,以简化机器学习工程师的工作,使其更有效率。任何用户只需要提供数据集,而不必手动选择最新数据挖掘工具提供的处理技术。应用程序将自己观察数据集并应用合适的技术。因为所有的步骤都是自动化的,用户只需要提供数据集,即使是不熟悉机器学习概念的人也可以预处理数据集。这为希望执行机器学习操作的各个领域的人们提供了机会。
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引用次数: 0
Power Management, Control and Design of Supercapacitor Assisted Fuel Cell-based Micro Power System for Electric Vehicles 基于超级电容器辅助燃料电池的电动汽车微动力系统的电源管理、控制与设计
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776880
Sheikh Suhail Mohammad, Sheikh Javed Iqbal
Electric vehicles are currently acting as a replacement for fossil fuel-based vehicles. Electric vehicles are environment friendly, and energy efficient. However, electric vehicles demand research attention to improve system modelling, design, reliability, stability and control issues. Power-sharing is critical for electric vehicles reliable and economical operation; hence, they need to improve the power-sharing techniques and algorithms. A supercapacitor assisted fuel cell-based micro-power system is proposed and studied in this work. A power-sharing technique is proposed to control the power flow between fuel cell and supercapacitor during different vehicle operating modes to improve system reliability, stability, and vehicle dynamics. Supercapacitor state of the charge & voltage, fuel cell response time and motor power demand are critical variables for power-sharing and decision making. The design details give information about the system component types their advantages and disadvantages. An extended discussion is carried out that explains how the motors power rating is selected subjected to road dynamics. Time-domain simulations are performed in MATLAB/Simulink that validate the effectiveness of the proposed power-sharing and control technique during different operating modes.
电动汽车目前正在取代以化石燃料为基础的汽车。电动汽车既环保又节能。然而,电动汽车在系统建模、设计、可靠性、稳定性和控制等方面的改进需要引起研究人员的重视。电力共享是电动汽车可靠、经济运行的关键;因此,他们需要改进权力共享技术和算法。本文提出并研究了一种基于超级电容器辅助燃料电池的微动力系统。提出了一种功率共享技术来控制燃料电池和超级电容器在不同车辆运行模式下的功率流,以提高系统的可靠性、稳定性和车辆动力学性能。超级电容器的充电和电压状态、燃料电池响应时间和电机功率需求是电力共享和决策的关键变量。设计细节给出了有关系统组件类型及其优缺点的信息。进行了扩展的讨论,解释了如何选择电机额定功率受到道路动力学。在MATLAB/Simulink中进行时域仿真,验证了所提出的功率共享和控制技术在不同工作模式下的有效性。
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引用次数: 1
Order Reduction of Linear Time Invariant Systems Using Genetic Algorithm 线性时不变系统的遗传降阶算法
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776979
Soumya Shastry, P. Dewangan
This paper discusses about order reduction of linear time invariant (LTI) systems based on error minimization by Genetic algorithm. The coefficients of the state space modelmatrices of reduced dimensions are obtained by the proposed method. The reduction procedure is simple and computer oriented. An example system is considered to show the efficacy of the proposed method. The step responses of the higher order system and its models, and validation parameters areused for performance comparison. The results obtained confirm the superiority of the proposed technique.
本文讨论了基于遗传算法的误差最小化线性时不变系统的降阶问题。利用该方法得到了降维状态空间模型矩阵的系数。还原程序简单,面向计算机。最后通过实例验证了所提方法的有效性。利用高阶系统及其模型的阶跃响应和验证参数进行性能比较。实验结果证实了该方法的优越性。
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引用次数: 0
Comparative Study between Leading Transfer Learning Architectures for Source Camera Identification 几种主要的源相机识别迁移学习架构的比较研究
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776894
Shreya Chakravarty, Shardul Fating, Ishita Jain, Ishika Varun, R. Khandelwal
The all-embracing use of digital images has revamped the quality of life and security to a great extent. Right from finding an item on online shopping websites through a clicked picture, to CCTV cameras being used for road traffic control, the users have learnt to appreciate the existence of technology being as advanced. However, one cannot overlook the gravity of this technology being misused. Although, the digitization has incorporated advanced concepts like Computer Vision and Deep Learning for security-check and crowd control, this has encouraged the advancement of courtroom discussions. Framing people for wrongdoings they are not involved with, on the basis of a fake “digital proof,” is one of the newly faced muddles. False allegations on a person, on the basis of a picture or a video, can potentially put a question on the existence of a person. The need to find the legitimacy of a produced image is therefore, of utmost importance. There have been various studies over the years, wherein a lot of methods were proposed to develop a system that identifies the camera model. Through this paper, we aim to produce a comparative study between four leading architectures, DenseNet, Inception V3, MobileNetV2 and Exception(XCeption), and suggest a the most competent architecture for commercialization of this system.
数字图像的广泛使用在很大程度上改善了生活质量和安全。从通过点击图片在网上购物网站上找到商品,到用于道路交通控制的闭路电视摄像机,用户已经学会欣赏技术的先进存在。然而,人们不能忽视这项技术被滥用的严重性。尽管数字化融入了计算机视觉和深度学习等先进概念,用于安全检查和人群控制,但这鼓励了法庭讨论的进步。以虚假的“数字证据”为基础,诬陷他人犯下他们没有参与的错误,是新出现的混乱之一。基于一张照片或一段视频对一个人的虚假指控,可能会让人质疑这个人的存在。因此,找到制作图像的合法性的需要是至关重要的。多年来有各种各样的研究,其中提出了很多方法来开发一个识别相机模型的系统。通过本文,我们的目标是对DenseNet、Inception V3、MobileNetV2和Exception(XCeption)这四种领先的体系结构进行比较研究,并提出一种最适合该系统商业化的体系结构。
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引用次数: 0
Impact of Series Compensated High Voltage Transmission Lines in the Operation of DFIM Based Hydro Unit 串联补偿高压输电线路对DFIM型机组运行的影响
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776982
Vijay Mohale, T. Chelliah
The extra high voltage transmission line 765k V, connected to a doubly-fed induction machine (DFIM) for variable speed pumped storage plant prone to sub-synchronous oscillation (SSO). Hence, the cost-effective and most popular approach to increase the power transfer ability in long transmission lines is to use series capacitive compensation. However, SSO is a significant problem that can cause electrical instability and generator shaft failure. The main motive of this paper is to investigate sub-synchronous oscillations caused by series compensation in a transmission line connected to a DFIM. The simulation is carried out and results are validated in MATLAB/Simulink to analyze SSO in case of different series compensation levels of 30%, 50%, and 90%. The experimental validation is obtained in the laboratory on scale down model of Tehri (PSPP to be commissioned) to Meerut EHV transmission line.
超高压输电线765k V,连接双馈感应电机(DFIM),用于易发生次同步振荡(SSO)的变速抽水蓄能电站。因此,提高长传输线输电能力的最具成本效益和最流行的方法是使用串联电容补偿。然而,SSO是一个严重的问题,可能导致电气不稳定和发电机轴故障。本文的主要目的是研究连接到DFIM的传输线中串联补偿引起的次同步振荡。在MATLAB/Simulink中对仿真结果进行了验证,分析了30%、50%和90%串联补偿水平下的单点登录。在实验室对拟投产的特赫里(PSPP)至密鲁特特高压输电线路进行了按比例缩小模型的实验验证。
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引用次数: 2
Power Quality Analysis of Solar Plant by Measurement at Site and Through Simulation in PSCAD 基于PSCAD的太阳能电站电能质量现场测量与仿真分析
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776999
S. V. Krishna
Grid connected PV solar generates DC power utilizing the solar energy as input and the generated DC power is converted to AC power using DC-DC converter and DC-AC Inverter. The output AC current from inverter consists of harmonic currents along with fundamental current. This current is fed to Grid through Inverter Duty Transformer (IDT) and Power Transformer (PT). The harmonics generated by solar plant are measured at LV & HV of IDT by using a harmonic analyser at site and presented in this paper. Apart from it, simulation model of PV solar generation with DC-DC converter & Inverter is also developed in PSCAD and the generated harmonics are compared with the measured harmonics and presented in this paper.
并网光伏太阳能利用太阳能作为输入产生直流电,产生的直流电通过DC-DC变换器和DC-AC逆变器转换成交流电源。逆变器输出的交流电流由谐波电流和基波电流组成。该电流通过逆变变压器(IDT)和电力变压器(PT)馈送到电网。本文介绍了利用现场谐波分析仪在低压和高压下对太阳能发电厂产生的谐波进行测量的方法。此外,本文还在PSCAD中建立了基于DC-DC变换器和逆变器的光伏太阳能发电仿真模型,并将产生的谐波与实测谐波进行了比较。
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引用次数: 2
Predicting Students' Academic Performance in Virtual Learning Environment Using Machine Learning 利用机器学习预测学生在虚拟学习环境中的学习成绩
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9777008
Alimurtaza Merchant, Naveen Shenoy, Abhinav Bharali, M. A. Kumar
The Open University (OU), one of the largest public research universities, provides a wide range of data from its distance learning courses. Hence, the Open University Learning Analytics Dataset (OULAD) allows predicting student academic performance in online learning programs. The dataset consists of demographic features such as gender, disability, education level, and behavioural features, which depict engagement levels of students in courses. This paper predicts student academic performance in online learning programs using machine learning and statistical values. We train multi-class classifiers on the preprocessed dataset after feature selection and removing noisy data. Decision Tree, Random Forest, Gradient Boosting and KNN classifiers are trained on both demographic data alone and including virtual learning environment (VLE) data with it. Each classifier shows greater accuracy with the VLE data included. All classifiers achieve accuracies above 92%, with gradient boosting achieving the maximum accuracy of 97.5%.
英国开放大学(Open University,简称OU)是最大的公立研究型大学之一,其远程学习课程提供了广泛的数据。因此,开放大学学习分析数据集(OULAD)可以预测学生在在线学习项目中的学习成绩。该数据集由人口统计学特征组成,如性别、残疾、教育水平和行为特征,这些特征描述了学生在课程中的参与程度。本文使用机器学习和统计值来预测在线学习项目中学生的学习成绩。我们在特征选择和去噪后的预处理数据集上训练多类分类器。决策树、随机森林、梯度增强和KNN分类器分别在人口统计数据和虚拟学习环境(VLE)数据上进行训练。包含VLE数据后,每个分类器都显示出更高的准确性。所有分类器的准确率都在92%以上,梯度增强达到了97.5%的最高准确率。
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引用次数: 0
Quantum Natural Language Processing Based Sentiment Analysis Using Lambeq Toolkit 基于Lambeq工具包的量子自然语言处理情感分析
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9776836
Srinjoy Ganguly, Sai Nandan Morapakula, Luis Miguel Pozo Coronado
Sentiment classification is one of the best use cases of classical natural language processing (NLP). We witness its power in various domains such as banking, business, and the marketing industry. We already know how classical AI and machine learning can change and improve technology. Quantum natural language processing (QNLP) is a young and gradually emerging technology that can provide a quantum advantage for NLP tasks. In this paper, we show the first application of QNLP for sentiment analysis and achieve perfect test set accuracy for three different kinds of simulations and decent accuracy for experiments run on a noisy quantum device. We utilize the lambeq QNLP toolkit and t|ket > by Cambridge Quantum (Quantinuum) to produce the results.
情感分类是经典自然语言处理(NLP)的最佳用例之一。我们在银行、商业和营销行业等各个领域见证了它的力量。我们已经知道经典的人工智能和机器学习如何改变和改进技术。量子自然语言处理(Quantum natural language processing, QNLP)是一项新兴的技术,可以为自然语言处理任务提供量子优势。在本文中,我们展示了QNLP在情感分析中的首次应用,并在三种不同类型的模拟中实现了完美的测试集准确性,并在噪声量子设备上运行的实验中实现了不错的准确性。我们利用lambeq QNLP工具包和剑桥量子(Quantum)的t|ket >来产生结果。
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引用次数: 3
Performance assessment of a solar-powered three-phase modular multilevel converter with capacitor voltage balancing 电容电压平衡太阳能三相模块化多电平变换器的性能评估
Pub Date : 2022-03-01 DOI: 10.1109/ICPC2T53885.2022.9777031
Harin M. Mohan, Santanu Kumar Dash
Solar photovoltaic (PV) systems are becoming increasingly popular across the world, and the Modular Multilevel Converter (MMC) architecture emerged as an appealing option for PV integration. The MMC topology has been conceived to alleviate the inconveniences of traditional multilevel converters, such as the higher-order level capacitor balance problem, the necessity for power filters and interface transformers. Because of its inherent benefits, MMC is used as the interface between diverse energy resources. Here, the PV is integrated with maximum power point tracking into the three phase three level MMC. When it comes to maintaining output power quality, modulation methods are significant. The proposed capacitor voltage balancing algorithms use phase disposition pulsewidth modulation (PDPWM) and space vector modulation (SVM) schemes to ensure the balancing of the capacitors in each sub-module. The MATLAB/Simulink simulation is performed and the effectiveness of the control approaches is evaluated.
太阳能光伏(PV)系统在世界范围内越来越受欢迎,模块化多电平转换器(MMC)架构成为光伏集成的一个有吸引力的选择。MMC拓扑结构的设想是为了减轻传统多电平变换器的不便,如高阶电容平衡问题,电力滤波器和接口变压器的必要性。由于其固有的优势,MMC被用作多种能源之间的接口。在这里,PV与最大功率点跟踪集成到三相三级MMC中。当涉及到保持输出功率质量时,调制方法是重要的。所提出的电容电压平衡算法采用相位配置脉宽调制(PDPWM)和空间矢量调制(SVM)方案来保证各子模块中电容的平衡。最后进行了MATLAB/Simulink仿真,并对控制方法的有效性进行了评价。
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引用次数: 1
期刊
2022 Second International Conference on Power, Control and Computing Technologies (ICPC2T)
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