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2020 International Conference on Computational Performance Evaluation (ComPE)最新文献

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Application of Artificial Intelligence in Renewable Energy 人工智能在可再生能源中的应用
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200065
Alankrita, S. Srivastava
Recent shift towards renewable energy resources has increased research for addressing shortcomings of these energy resources. As major issues are related to intermittency and uncertainty of renewable supply, new technologies like artificial intelligence and machine learning offers lot of opportunity to address these issues as they are basically meant for processing of uncertain data. This paper analyses application of machine learning in different areas of renewable energy system like forecasting where machine learning is used to build accurate models, maximum power point tracking where machine learning provides robust and smooth control which is not much susceptible to noise in input, inverter where machine learning can be used to provide high quality power without fluctuation even when input is intermittent. Even though machine learning has many prospects which can be used to address different issues associated with renewable system, whether to employ it as effective solution to problem for given system or not depends on host of factors. This paper analyses all these issues and present a methodical exploration of applications of machine learning, its advantages and challenges in hybrid renewable energy system.
最近向可再生能源的转变增加了对解决这些能源缺点的研究。由于主要问题与可再生能源供应的间歇性和不确定性有关,人工智能和机器学习等新技术为解决这些问题提供了很多机会,因为它们基本上是为了处理不确定的数据。本文分析了机器学习在可再生能源系统不同领域的应用,如预测,其中机器学习用于建立准确的模型,最大功率点跟踪,其中机器学习提供鲁棒和平滑的控制,不太容易受到输入噪声的影响,逆变器,其中机器学习可以用于提供高质量的无波动的电力,即使输入是间歇性的。尽管机器学习在解决与可再生系统相关的各种问题方面具有许多前景,但是否将其作为给定系统问题的有效解决方案取决于许多因素。本文分析了所有这些问题,并对机器学习在混合可再生能源系统中的应用及其优势和挑战进行了系统的探索。
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引用次数: 5
Vibration Signal-based Diagnosis of Defect Embedded in Outer Race of Ball Bearing using 1-D CNN 基于振动信号的球轴承外滚道内嵌缺陷的一维CNN诊断
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9199994
Pragya Sharma, Swet Chandan, B. P. Agrawal
This work is for developing a deep learning-based model for design and diagnosis of fault embedded in ball bearing. To overcome disadvantages of traditional methods for fault identification and diagnosis of ball bearing, method of 1-D Convolutional Neural Network (1-D CNN) is used in this work. 1-D CNN is developed for identification and classification of faults embedded in outer race of ball bearing. Adaptive design of 1-D CNN model presents an ability to fuse extraction of features and classification of fault in single learning body. Open source data "Society for Machinery Failure Prevention Technology (MFPT bearing fault dataset)" is used in this work for training and testing purpose. Main focus for using 1-D CNN approach is to get higher accuracy in fault diagnosis and less computational complexity for results.
本工作旨在开发一种基于深度学习的滚珠轴承嵌入式故障设计和诊断模型。针对传统滚珠轴承故障识别与诊断方法的不足,本文采用一维卷积神经网络(1-D CNN)方法进行故障识别与诊断。针对滚珠轴承外滚圈内嵌故障的识别和分类问题,提出了一种一维CNN方法。一维CNN模型的自适应设计能够在单个学习体中融合特征提取和故障分类。开源数据“机械故障预防技术学会(MFPT轴承故障数据集)”在这项工作中用于培训和测试目的。使用一维CNN方法的主要目的是提高故障诊断的精度和降低结果的计算复杂度。
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引用次数: 5
Comparative Analysis of different Variants of Particle Swarm Optimization for Economic Load Dispatch Problem 经济负荷调度问题中不同粒子群算法的比较分析
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200066
K. Kalita, A. Rai, Kunal Pandey, Rachana Garg
The determination of optimal power generation by generating units in an interconnected power system at the least possible cost, subject to power balance and limits of generation constraints, is called Economic Load Dispatch (ELD) problem. Different variants of Particle Swarm Optimization (PSO) applied on the problem of ELD are compared in this paper. The various methods viz - Conventional PSO, Simulated Annealing based PSO (SA-PSO), PSO with Time-Varying Acceleration Constant (PSO-TVAC) and Adaptive PSO (APSO). These methods are tested on a six-generator electrical power system. A comparative analysis of all these methods has been done on the basis of their ability to give an optimum solution, convergence
在电力平衡和发电约束的限制下,互联电力系统中各发电机组以尽可能低的成本确定最优发电量的问题被称为经济负荷调度问题。本文比较了粒子群算法在ELD问题上的应用。各种方法包括传统粒子群算法、基于模拟退火的粒子群算法(SA-PSO)、时变加速度常数粒子群算法(PSO- tvac)和自适应粒子群算法(APSO)。这些方法在一个六台发电机的电力系统上进行了测试。在给出最优解和收敛性的基础上,对所有这些方法进行了比较分析
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引用次数: 0
Comparative Assessment of Deep Learning to Detect the Leaf Diseases of Potato based on Data Augmentation 基于数据增强的马铃薯叶病深度学习检测的比较评价
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200015
Utpal Barman, Diganto Sahu, Golap Gunjan Barman, Jayashree Das
In recent times, the Convolution Neural Networks (CNNs) is widely used in agriculture fields such as plant disease detection, plant health issue prediction, etc. This paper also forwards a self-build CNN (SBCNN) for potato disease detection. The SBCNN is separately applied in the augmented and non-augmented potato leaf image dataset. The algorithm is used to train and test the potato leaves images. The best validation accuracy of SBCNN in the non-augmented and augmented datasets is 96.98% and 96.75% with the training accuracy of 99.71% and 98.75%, respectively. The errors of training and validation are reported in each epoch. The SBCNN model is performed well in an augmented dataset without having any overfitting in the model. The model is also compared with the performance of MobileNet architecture for the development of smartphone applications. Finally, the SBCNN (Augmented) is selected as the best model as compared to SBCNN (non-augmented) and MobileNet. The model is deployed in an android application for real-time testing of potato leaf diseases and it can be considered as a replica of agriculture pathological laboratory.
近年来,卷积神经网络(cnn)在植物病害检测、植物健康问题预测等农业领域得到了广泛应用。提出了一种用于马铃薯病害检测的自构建CNN (SBCNN)。SBCNN分别应用于增广和非增广马铃薯叶片图像数据集。将该算法用于马铃薯叶片图像的训练和测试。在非增强和增强数据集上,SBCNN的最佳验证准确率分别为96.98%和96.75%,训练准确率分别为99.71%和98.75%。每个历元报告训练和验证的误差。SBCNN模型在增广数据集上表现良好,模型不存在过拟合现象。该模型还与用于智能手机应用开发的MobileNet体系结构的性能进行了比较。最后,将SBCNN(增强)模型与SBCNN(非增强)模型和MobileNet模型进行比较,选择SBCNN(增强)模型为最佳模型。该模型被部署在马铃薯叶片病害实时检测的android应用程序中,可以看作是农业病理实验室的复制品。
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引用次数: 19
Transparent Neural based Expert System for Credit Risk (TNESCR): An Automated Credit Risk Evaluation System 基于透明神经网络的信用风险专家系统(TNESCR):一种自动化的信用风险评估系统
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9199998
Abhinaba Dattachaudhuri, S. Biswas, Sunita Sarkar, Arpita Nath Boruah, Manomita Chakraborty, B. Purkayastha
Nowadays credit risk evaluation is very crucial in financial domain. Whenever it is processed by an individual, it becomes controversial as the assessment may be prone to human error. Recently, to overcome this issue, some automated systems have been developed for credit risk evaluation. Most of the developed systems focused on the credit decision only and neglected the transparency of the systems; however, many cases require transparency of the credit decision to benefit financial organization as well as the potential customers. Therefore, this paper proposes an expert system named Transparent Neural based Expert System for Credit Risk (TNESCR) evaluation which uses a white box neural model Rule Extraction from Neural Network using Classified and Misclassified data (RxNCM) to generate rules from financial data. The generated rules are so transparent to justify the explanations for why applications are granted/rejected with a significant predictive accuracy. The proposed TNESCR is validated using 10 fold cross validation with 3 credit risk datasets. The experimental results show the proposed TNESCR can perform significantly with great transparency and accuracy.
信用风险评估是当前金融领域的一个重要研究课题。每当它由个人处理时,它就会变得有争议,因为评估可能容易出现人为错误。近年来,为了克服这一问题,人们开发了一些信用风险评估自动化系统。发达的制度大多只关注信用决策,忽视了制度的透明度;然而,许多情况需要信贷决策的透明度,以使金融机构和潜在客户受益。为此,本文提出了一种基于透明神经网络的信用风险评估专家系统(TNESCR),该系统采用基于分类和误分类数据的神经网络规则提取(RxNCM)的白盒神经模型从金融数据中生成规则。生成的规则是如此透明,可以证明为什么申请被批准/拒绝的解释具有显著的预测性准确性。提出的TNESCR使用3个信用风险数据集的10倍交叉验证进行验证。实验结果表明,该方法具有良好的透明性和准确性。
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引用次数: 0
Recent Trends on Object Detection and Image Classification: A Review 目标检测与图像分类研究进展综述
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200080
Athira Mv, D. M. Khan
The area, object detection has seen a drastic development of algorithms and techniques over the past years. The arrival of deep learning has boosted the improvement in accuracy and performance of systems. This paper is a brief survey of several works developed so far in the field of image classification and object detection and a relative study of different methods. Survey is divided in three sub areas as Machine Learning based approach, Deep Learning based approach and object detection for night vision applications. A comparative table with the discussed works is also given.
在过去的几年里,目标检测领域的算法和技术得到了巨大的发展。深度学习的到来促进了系统准确性和性能的提高。本文简要介绍了迄今为止在图像分类和目标检测领域开展的几项工作,并对不同方法进行了相关研究。调查分为三个子领域:基于机器学习的方法,基于深度学习的方法和夜视应用的目标检测。并给出了与所讨论作品的对比表。
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引用次数: 9
Human Emotion Classification: An Expression Specific Geometric Approach 人类情感分类:一种特定表达的几何方法
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200086
Avishek Nandi, P. Dutta, Md. Nasir
Human face emotions are generally classified in six different expressions such as Anger, Disgust, Fear, Happiness, Sadness, and Surprise. The authors propose a novel method for selecting an expression specific set of salient landmark points out of 68 landmark points produced by applying an Active Appearance Model (AAM) on an input face image. The salient Landmark points are selected by training a MultiLayer Perceptron network using a Histogram oriented Gradient (HoG) feature of neighboring pixels of a Landmark point. Next, a shape signature vector is constructed by forming triangulation using those salient landmarks for each expression. This is trained with six Multilayered Perceptron (MLP) network for classification of each of the six basic expressions. The suggested algorithm is tested on CK+, JAFFE, MMI, and MUG database. The outcomes are found extremely promising.
人类面部表情通常分为六种不同的表情,如愤怒、厌恶、恐惧、快乐、悲伤和惊讶。作者提出了一种新的方法,通过对输入的人脸图像应用主动外观模型(AAM),从68个显著地标点中选择一组表达特定的显著地标点。通过使用Landmark点相邻像素的直方图梯度(Histogram oriented Gradient, HoG)特征训练多层感知器网络来选择显著的Landmark点。接下来,通过使用每个表达式的显著标志形成三角剖分来构造形状签名向量。这是用6个多层感知器(MLP)网络进行训练,对每6个基本表情进行分类。该算法在CK+、JAFFE、MMI和MUG数据库上进行了测试。结果被认为是非常有希望的。
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引用次数: 0
An Incremental Pruning Strategy for Fast Training of CNN Models 一种用于CNN模型快速训练的增量修剪策略
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200168
Sangeeta Sarkar, Meenakshi Agarwalla, S. Agarwal, M. Sarma
Deep Neural Networks have progressed significantly over the past few years and they are growing better and bigger each day. Thus, it becomes difficult to compute as well as store these over-parameterized networks. Pruning is a technique to reduce the parameter-count resulting in improved speed, reduced size and reduced computation power. In this paper, we have explored a new pruning strategy based on the technique of Incremental Pruning with less pre-training and achieved better accuracy in lesser computation time on MNIST, CIFAR-10 and CIFAR-100 datasets compared to previous related works with small decrease in compression rates. On MNIST, CIFAR-10 and CIFAR-100 datasets, the proposed technique prunes 10x faster than conventional models with similar accuracy.
深度神经网络在过去的几年里取得了显著的进展,它们每天都在变得更好、更大。因此,计算和存储这些过度参数化的网络变得困难。剪枝是一种减少参数计数的技术,其结果是提高速度、减小尺寸和降低计算能力。本文探索了一种基于增量剪枝技术的剪枝策略,在MNIST、CIFAR-10和CIFAR-100数据集上,采用较少的预训练,在较短的计算时间内获得了较好的剪枝精度,压缩率也有较小的降低。在MNIST, CIFAR-10和CIFAR-100数据集上,该技术的修剪速度比传统模型快10倍,具有相似的精度。
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引用次数: 2
Vibration Parameters Estimation using mHDFT Filter in PLL Technique 锁相环技术中mHDFT滤波器的振动参数估计
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200039
Abhishek Chauhan, Pritam Rout, Ksh Milan Singh
A closed loop modulated Hopping Discrete Fourier Transform (mHDFT) based quadrature detector is proposed to estimate the various vibration parameters. The modulated hopping DFT is efficient way of calculating DFT of N samples. The system poles always reside on the unit circle and as there is no twiddle factor involved in feedback of the filter so there is no accumulation of error while calculating the DFT of N samples. This algorithm is implemented in Phase Locked Loop design for non contact type vibration estimation. The detection accuracy of the proposed estimator is very high even for low frequency signals.
提出了一种基于闭环调制跳频离散傅里叶变换(mHDFT)的正交检测器,用于估计各种振动参数。调制跳频DFT是计算N个样本DFT的有效方法。系统极点总是驻留在单位圆上,并且由于在滤波器的反馈中没有涉及到旋转因素,因此在计算N个样本的DFT时没有误差积累。将该算法应用于非接触式振动估计的锁相环设计中。该估计器即使对低频信号也具有很高的检测精度。
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引用次数: 2
Optimized Vector Control Strategy for Dual-Rotor Axial Flux Permanent Magnet Synchronous Motor for in-Wheel Electric Drive Applications 轮内电驱动双转子轴向磁通永磁同步电机矢量优化控制策略
Pub Date : 2020-07-01 DOI: 10.1109/ComPE49325.2020.9200186
Robin Wilson, R. Gandhi, Amit Kumar, Rakesh Roy
This paper analyzes the performance of dual-rotor axial flux permanent magnet synchronous motor for its application in electric motor drive. Dual-rotor single-stator topology is employed for analysis due to its superior features compared to other topologies of the motor for electric drive application. Constant torque angle control strategy with hysteresis current controller for inverter switching is implemented with the axial flux motor and is analyzed for validation. To enhance the robustness of the control strategy, the coefficients of proportional-integral controller are optimized with particle swarm optimization algorithm using Matlab/Simulink software to minimize the torque and speed ripples obtained from the conventional setting of proportional-integral controller. The performance analysis of the motor drive with optimized controller coefficients is carried out using Ansys co-simulation with Maxwell and Simplorer softwares. The simulation analysis of the motor with optimized constant torque angle strategy shows good motor performance and robustness which is inferred from results.
针对双转子轴向磁通永磁同步电动机在电动机驱动中的应用,对其性能进行了分析。采用双转子单定子拓扑结构进行分析,因为与其他电力驱动应用的电机拓扑结构相比,它具有优越的特性。利用轴向磁通电机实现了基于磁滞电流控制器的逆变器开关恒转矩角控制策略,并进行了分析验证。为了提高控制策略的鲁棒性,利用Matlab/Simulink软件对比例积分控制器的系数进行粒子群优化算法优化,使传统比例积分控制器设置产生的转矩和速度波动最小化。采用Ansys与Maxwell和simplover软件联合仿真,对优化后的电机驱动器进行了性能分析。对优化后的恒转矩角策略电机进行了仿真分析,结果表明电机具有良好的性能和鲁棒性。
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引用次数: 3
期刊
2020 International Conference on Computational Performance Evaluation (ComPE)
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