2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)最新文献

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Study of the User's Eye Tracking to Analyze the Blinking Behavior While Playing a Video Game to Identify Cognitive Load Levels 使用眼动追踪分析用户在玩电子游戏时的眨眼行为以识别认知负荷水平的研究
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258693
Lagunes-Ramírez Derick, G. Gabriel, López-Sánchez Máximo, Fragoso-Díaz Olivia, Castro-Sánchez Noé, Juan C. Olivares-Rojas
{"title":"Study of the User's Eye Tracking to Analyze the Blinking Behavior While Playing a Video Game to Identify Cognitive Load Levels","authors":"Lagunes-Ramírez Derick, G. Gabriel, López-Sánchez Máximo, Fragoso-Díaz Olivia, Castro-Sánchez Noé, Juan C. Olivares-Rojas","doi":"10.1109/ROPEC50909.2020.9258693","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258693","url":null,"abstract":"As eye tracking studies are becoming more common, eye behavior is being explored in different scientific fields as it can be analyzed to detect changes in the mental state of users. In this way the development of new products or technologies could include eye tracking as an objective way of obtaining feedback from users. This paper presents an experiment that compares the eye behavior of users' blinks during interaction with two different levels of difficulty in a video game. The results of the experiment show that the participants' blink rate per minute was significantly reduced, according to the state-of-the-art normal blink behavior, during the two tasks. However, it is also shown that there is no significant difference between the samples taken, which is attributable to the fact that interaction with video games, in any difficulty, represents high cognitive load.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129356895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Measurements to Transformers with a Vector Network Analyzer 用矢量网络分析仪测量变压器
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258739
I. D. Santana, F. Uribe
{"title":"Measurements to Transformers with a Vector Network Analyzer","authors":"I. D. Santana, F. Uribe","doi":"10.1109/ROPEC50909.2020.9258739","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258739","url":null,"abstract":"This document describes some technical aspects for a measurement error correction with a vector network analyzer used in the microwave and radio frequency of scattering parameters and reflection coefficient of a prototype transformer. An 8-term error model was applied to correct the errors at the time of taking the measurements in the single-phase transformer prototype of 150 VA power, obtaining the Parameters-S.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125688859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Analysis of Multivariable Deep Learning Models for Forecasting in Smart Grids 智能电网多变量深度学习预测模型的比较分析
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258732
E. Avalos, M. R. Licea, H. R. González, A. Calderón, A. Gutiérrez, F. J. P. Pinal
{"title":"Comparative Analysis of Multivariable Deep Learning Models for Forecasting in Smart Grids","authors":"E. Avalos, M. R. Licea, H. R. González, A. Calderón, A. Gutiérrez, F. J. P. Pinal","doi":"10.1109/ROPEC50909.2020.9258732","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258732","url":null,"abstract":"Clean-energy generation in smart grids is limited by the availability of the energy to be transformed and advanced energy management strategies requires solid and anticipated information about its dynamic behavior. This includes multivariable prediction of meteorological and user consumption data simultaneously in time series. The selection of a predicting model, from long short-term memory (LSTM), convolutional neural networks (CNN), gated recurrent units (GRU), or their hybrid models merging CNN with LSTM and GRU, is a very complex task. In this paper, a mean absolute error, absolute percentage error (MAPE), and root mean square error (RMSE) comparative analysis, for prediction of energy consumption, and solar and onshore wind generation, is presented. A three-day prediction-horizon is used, with four-year hourly training data from Madrid. The combination of the best GRU and CNN models found, subject to the given hyperparameters grid, has a better prediction performance, including if they predict separated. Relevant information about training and coding appreciations is also presented.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114254629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Identification of Agricultural Parcels using Optical and Synthetic Aperture Radar Data 利用光学和合成孔径雷达数据识别农业地块
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258694
Jubal López-Amaya, A. López-Caloca, A. Monsiváis-Huertero
{"title":"Identification of Agricultural Parcels using Optical and Synthetic Aperture Radar Data","authors":"Jubal López-Amaya, A. López-Caloca, A. Monsiváis-Huertero","doi":"10.1109/ROPEC50909.2020.9258694","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258694","url":null,"abstract":"Data fusion methodologies have been implemented in agricultural applications with different types of sensors. One of the problems in delineating cultivation areas is the mixture of spectral signatures due to the transitions between the types of cultivation, built areas, and other natural covers. In order to improve discrimination and identification of crop types, structure data fusion techniques were evaluated. This article aims at showing the potential of using satellite data from the European Space Agency, both optical and SAR, in order to improve land cover classification of agricultural land located in Mexico. To achieve this, an analysis of the spectral, spatial and textural data was performed. Specifically, two classification algorithms were used and compared. The first is based on vector support machines and the second one on Random Forests. The methodology was applied for the study of 4 types of crops in 2017 in the municipality of Villa de Arriaga located in the state of San Luis Potosí. As final results, maps were obtained with the areas with a kappa greater than 0.80.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124996762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Roundness Estimation of Sedimentary Rocks Using Eliptic Fourier and Deep Neural Networks 基于椭圆傅里叶和深度神经网络的沉积岩圆度估计
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258735
E. M. Hernández, G. M. Chávez, J. Hernández
{"title":"Roundness Estimation of Sedimentary Rocks Using Eliptic Fourier and Deep Neural Networks","authors":"E. M. Hernández, G. M. Chávez, J. Hernández","doi":"10.1109/ROPEC50909.2020.9258735","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258735","url":null,"abstract":"Sedimentary rocks analysis is useful in geological science, economic sector, and risk evaluation. Roundness is a morphological parameter that provide information to characterize and classify sedimentary material. Roundness degrees is estimated from the contour of the particle. Waddell (1932) proposed a remarkable method based on the measurement of parti-cle's curvature. This method is accurate; nevertheless, it is not invariant to scale and rotation. This problem can be solved by mapping the contour to the frequency-domain, however, spectral analysis is a difficult task. Based on these two approaches, we propose to use a deep neural network whose input is the elliptical Fourier spectrum and target is roundness proposed by Wadell. The training database consists of 623 real-rocks images from some geological phenomena. We have found the neural networks perform very well on the 88.8% of rocks.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128312040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DC-DC Buck Converter with an LC Filter for Battery Parameter Identification 带LC滤波器的DC-DC降压变换器,用于电池参数识别
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258696
J. M. Sosa, Iván López-Granados, G. Vázquez, P. Martinez‐Rodriguez, G. Escobar, M. Juárez, D. Langarica
{"title":"DC-DC Buck Converter with an LC Filter for Battery Parameter Identification","authors":"J. M. Sosa, Iván López-Granados, G. Vázquez, P. Martinez‐Rodriguez, G. Escobar, M. Juárez, D. Langarica","doi":"10.1109/ROPEC50909.2020.9258696","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258696","url":null,"abstract":"In this paper, the identification of the parameters of a battery model is addressed by measuring the current and voltage at the terminals of the battery and by using a moving window least square method in an online application. The battery is considered to supply a DC voltage reference to a dedicated load through a buck converter with an LC filter at the input. The converter output voltage is regulated through a conventional controller that ensures stability, sufficient damping and zero steady-state error at constant voltage references. The results of numerical simulations show that the presented scheme is capable of identifying battery parameters such as internal resistance, battery capacity and the time constant of an RC network when referring to an equivalent electric circuit model that considers the battery relaxation effect.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127173480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Evaluation of Reduced CMV-SVM Techniques for a Three-Phase ANPC Inverter 一种三相ANPC逆变器的简化CMV-SVM技术的比较评价
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258700
H. O. Valdez-Carrera, G. Vazquez‐Guzman, J. M. Sosa, P. Martinez‐Rodriguez, G. Escobar, M. Juárez-Balderas
{"title":"Comparative Evaluation of Reduced CMV-SVM Techniques for a Three-Phase ANPC Inverter","authors":"H. O. Valdez-Carrera, G. Vazquez‐Guzman, J. M. Sosa, P. Martinez‐Rodriguez, G. Escobar, M. Juárez-Balderas","doi":"10.1109/ROPEC50909.2020.9258700","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258700","url":null,"abstract":"Common mode voltage is an important issue in motor drive systems since its dynamics could produce leakage ground current reducing the machine lifetime. In order to contribute to reduce the effects of the leakage ground current, three-phase power inverters can be designed using dedicated pulse width modulation strategies. Space vector modulation technique is a commonly used continuous method due to its flexibility to implement different vector sequences. In this paper it is proposed a space vector based modulation technique to reduce common mode voltage in a three-phase ANPC inverter. An analysis and comparison regarding conventional space vector modulation techniques are performed. Numerical results are obtained to prove the feasibility of the proposed method.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"61 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114000153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Off-grid Wind Energy Conversion Systems based on Multilevel Cascaded H-bridge Topology in Real Time Simulation 基于多级级联h桥拓扑的离网风能转换系统实时仿真
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258773
V. R. Rosales, S. Rodriguez, M. Robles, O. Rodríguez-Hernández, N. M. Salgado‐Herrera
{"title":"Off-grid Wind Energy Conversion Systems based on Multilevel Cascaded H-bridge Topology in Real Time Simulation","authors":"V. R. Rosales, S. Rodriguez, M. Robles, O. Rodríguez-Hernández, N. M. Salgado‐Herrera","doi":"10.1109/ROPEC50909.2020.9258773","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258773","url":null,"abstract":"In this paper, the modeling and real time simulation of an off-grid wind energy conversion systems based on isolated multilevel cascaded H-bridge topology is presented. The system is tested under a synthetic wind speed signal generated by Gaussian Process, even with wind variations. The off-grid WECS structure is made through an AC/DC power converter formed by a VSC in rectifier mode, which is designed through the permanent magnet synchronous generator characteristics; the DC voltage is isolated by a DC/DC modified boost converter and subsequently is applied to the DC/AC multilevel cascaded H-bridge of 5-levels converter. The system validation is achieved in MATLAB-Simulink® and with the laboratory tests using the concept of model in the loop and the real-time simulator Opal-RT Technologies®. The obtained results show a robust and effective methodology generating a total output power of 30 kW off-grid.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130423152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Power System Voltage Profile Evaluation Considering Renewable Energy Power Plant Reactive Power Droop Control 考虑可再生能源电厂无功下垂控制的电力系统电压分布评估
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258752
R. Reyes, Pedro Rosales, L. M. Castro
{"title":"Power System Voltage Profile Evaluation Considering Renewable Energy Power Plant Reactive Power Droop Control","authors":"R. Reyes, Pedro Rosales, L. M. Castro","doi":"10.1109/ROPEC50909.2020.9258752","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258752","url":null,"abstract":"The integration of intermittent renewable energy power plants, such as photovoltaic and wind power plants, to bulk power systems has changed the way their operation and expansion is performed. In this paper, an evaluation of the voltage profile of a power system considering different levels of renewable penetration and their reactive power droop control is presented. A series of power flow simulations to obtain the voltage profile and the generation's reactive power were performed using a 6-bus power system considering load-demand and renewable generation hourly curves. Based on current grid code requirements, the overall voltage control of a power system will tend to degrade with increasing penetration of renewables, as reactive power droop control alone is not sufficient to accommodate load-demand behavior due to their intermittence.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131764252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Analysis of Meat Color Change using Computer Vision 用计算机视觉分析肉的颜色变化
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258756
Gustavo Meza, Claudia N. Sánchez, M. T. Orvañanos-Guerrero, J. Domínguez-Soberanes
{"title":"Analysis of Meat Color Change using Computer Vision","authors":"Gustavo Meza, Claudia N. Sánchez, M. T. Orvañanos-Guerrero, J. Domínguez-Soberanes","doi":"10.1109/ROPEC50909.2020.9258756","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258756","url":null,"abstract":"Sensory parameters are crucial for making a purchase decision in meat products. Thus, consumers will guide their choice based on their color. They will seek cherry red meat; when the meat turns brown due to the myoglobin's oxidation, the product is no longer desired. Therefore, the food industry must have a system that could be effective and give just-in-time information regarding changes in color to maintain the quality during the shelf life that consumers expect. This research aims to present a methodology based on computer vision to analyze the change of color in meat. We used images taken of different beef cuts and tested on different days. The Euclidean distance on the average of colors could be used. However, the method proposed in this study is the use of Kullback Leibler divergence, which takes the meat not only at one color point but as a cloud of points. The results were obtained with the Kullback Leibler divergence demonstrated that it is possible to calculate differences in meat images when passing the days. The practical application for this type of analysis would be in the retail industry in order to give just in time information about the quality of meat.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132350686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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