发布求助
文献互助 智能选刊 最新文献

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

筛选
英文 中文
Average and Ripple Output-Voltages in Paralleled Boost Converters with Sequential and Simultaneous Triggering 具有顺序和同步触发的并联升压变换器的平均和纹波输出电压
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258679
J. Parada-Salado, M. Rodríguez-Licea, F. Pérez-Pinal
{"title":"Average and Ripple Output-Voltages in Paralleled Boost Converters with Sequential and Simultaneous Triggering","authors":"J. Parada-Salado, M. Rodríguez-Licea, F. Pérez-Pinal","doi":"10.1109/ROPEC50909.2020.9258679","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258679","url":null,"abstract":"Frequently, various energy sources are used simultaneously in electric vehicles, smart grids, wind farms, among others, and usually boost power converters are interconnected to match impedance. However, the average output voltage level and the output voltage ripple are factors that directly impact the whole system's efficiency, useful life, component degradation, power quality, to name a few. Such analysis is complicated by the number of stages, synchronization, and conduction mode, and related research has been limited to interconnection issues, voltage gain, maximum power point tracking, and so on. In this paper, formulations for the average output voltage and the output voltage ripple are presented. These formulas can be used if overall boost stages operating either in continuous or discontinuous conduction mode, and their triggering is either phase-shifted or simultaneous. The formulations are validated by specialized software.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"2 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":"128491605","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
Modeling of a Quadratic Buck Converter Based on the R2P2 Concept for PV Applications 基于R2P2概念的二次降压变换器的光伏应用建模
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258753
I. Reyes-Portillo, J. Morales-Saldaña, Edgardo Netzahuatl, E. Palacios-Hernandez, S. Méndez-Elizondo
{"title":"Modeling of a Quadratic Buck Converter Based on the R2P2 Concept for PV Applications","authors":"I. Reyes-Portillo, J. Morales-Saldaña, Edgardo Netzahuatl, E. Palacios-Hernandez, S. Méndez-Elizondo","doi":"10.1109/ROPEC50909.2020.9258753","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258753","url":null,"abstract":"In photovoltaic systems, it is necessary to have DCDC converters topologies with wide transformation ranges that have the ability to provide output voltages that can be greater or less than the supply voltage by the PV modules. Other aspects that these converters must satisfy are associated to the new requirements of the load consumption. These requirements have been standardized to 48V, 24, 12V and 5V for different applications such as LED lighting, battery banks, amongst others. Also, one important requirement in these systems is that the power processing by the converter must be carried out as efficiently as possible. This paper presents an implemmentation of a quadratic buck converter based on the concept R2P2 as an alternative for photovoltaic applications, where the characteristics of the input current demanded to the panels and the reduction of EMI are improved. In this work, the description of the system formed by the quadratic buck converter R2P2 with an input filter is analyzed, where the requirements of non-pulsating input current and output voltage regulation are satisfied. In addition, the design procedure of the elements that form the converter is developed, as well as the description of the operating modes during the switching process of the converter. Finally, the linear and non-linear models of the converter are presented, as well as some comparative aspects against proposed topologies and the experimental verification.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"12 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":"127492687","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
Post-Quantum cryptographic schemes library for Android operating system Android操作系统的后量子加密方案库
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258758
Olimpia Saucedo-Estrada, M. C. Hernández, Gina Gallegos-García, M. Salinas-Rosales
{"title":"Post-Quantum cryptographic schemes library for Android operating system","authors":"Olimpia Saucedo-Estrada, M. C. Hernández, Gina Gallegos-García, M. Salinas-Rosales","doi":"10.1109/ROPEC50909.2020.9258758","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258758","url":null,"abstract":"Nowadays the Institute of Standards and Technology (NIST) goes in the third round of the standardization process of asymmetric key post-quantum cryptographic schemes. Such schemes are said to be resistant to attacks from quantum computers. With this, the need to start experimenting and implementing with these schemes has arisen. In addition to that, there is a variety of post-quantum cryptographic schemes libraries written in different programming languages and compiled for different architectures. However, in order to a programmer can integrate them into an Android application, it is necessary to compile the source code, perform the integration and test this last one. As a consequence it is not possible to have a ready-to-use library. Based on the aforementioned, in this paper we present the design of a post-quantum scheme library for Android operating system that has the characteristic to be ready-to-use. Moreover, obtained results shows our library has the three main aspects that make a library good.","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":"126677704","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
Impact study of PV penetration on Mexican MV distribution network 光伏渗透对墨西哥中压配电网的影响研究
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258770
C.N. Acosta-Campas, M. Madrigal, H. Ruiz-Paredes
{"title":"Impact study of PV penetration on Mexican MV distribution network","authors":"C.N. Acosta-Campas, M. Madrigal, H. Ruiz-Paredes","doi":"10.1109/ROPEC50909.2020.9258770","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258770","url":null,"abstract":"The increase of distributed generation (DG) is now clearly significant in many countries as in Mexico. Photovoltaic systems (PV) arc the most popular, due the flexibility and simple installation. As it is known, PS' uses electronic power converters to adapt and get the necessary features as power sour-ce. Typically, PV converters produce certain implicit harmonic distortion current level due to the power electronics components. Therefore, additional considerations must be taken into account on typical distribution networks analysis. This paper shows the main effects of PV systems in a typical mexican radial network. Cases were adapted to approach the most symbolic and relevant technical and operational aspects. Maximum PV generation and minimum load conditions are considered as main operational states. Operational technical limits are taken also into account. Electrical parameters such as ener losses, power factor (PF), voltage regulation (VR) and voltage total harmonic distortion (THD) are analyzed in this context. Impact level is estimated in function of operational technical limits and electrical parameters.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"28 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":"114516074","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
Complex R-X Diagram for Mho Relay Visualization in ATP/EMTP ATP/EMTP中Mho继电器可视化的复R-X图
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258734
V. González-Sánchez, V. Torres-García, N. Solís-Ramos, S. Ramirez-Zavala
{"title":"Complex R-X Diagram for Mho Relay Visualization in ATP/EMTP","authors":"V. González-Sánchez, V. Torres-García, N. Solís-Ramos, S. Ramirez-Zavala","doi":"10.1109/ROPEC50909.2020.9258734","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258734","url":null,"abstract":"Overhead transmission lines are probably the electrical component most vulnerable to lightning, short circuits, human errors, overloads and ageing due to the long trajectories they have. In this paper, the operation of the Distance Relay (21-ANSI/IEEE Standard Device Number) as primary or main protection as well as backup protection for overhead transmission lines is analyzed. The relay was modeled by using the ATP/EMTP program in order to visualize its response to different fault conditions and apparent impedance trajectories in the R-X complex diagram. MODELS programming language is used, which allows to implement algorithms that are used for structuring the functions and the operation logics of the relay. The relay behaviour under fault conditions at different locations along the line is validated by comparing it with the fault records from a real event in the electric power system of mexican utility.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"10 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":"124048249","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
Optimal Tracking Control for a Renewable Energy Based Inertia System 基于可再生能源的惯性系统最优跟踪控制
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258677
Macario Zavala Tinajero, Fernando Ornelas Tellez, Norberto García Barriga
{"title":"Optimal Tracking Control for a Renewable Energy Based Inertia System","authors":"Macario Zavala Tinajero, Fernando Ornelas Tellez, Norberto García Barriga","doi":"10.1109/ROPEC50909.2020.9258677","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258677","url":null,"abstract":"","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"292 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":"124199683","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
Analysis of Sensitivity Formulations for Voltege Stability and Reactive Power Control 电压稳定与无功控制的灵敏度公式分析
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258721
E. Santos, E. Jiménez, E. Acosta, C. Pérez, M. Leon, C. Viveros, P. Ruiz, H. Tovar
{"title":"Analysis of Sensitivity Formulations for Voltege Stability and Reactive Power Control","authors":"E. Santos, E. Jiménez, E. Acosta, C. Pérez, M. Leon, C. Viveros, P. Ruiz, H. Tovar","doi":"10.1109/ROPEC50909.2020.9258721","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258721","url":null,"abstract":"Steady-state voltage stability analysis has been approached through different tools based on the polar coordinates power flow model, such as eigenvalues, minimum single value, PV and QV curves and linear sensitivities. In this paper, it is presented a discussion about the application of different sensitivity models, in order to analyze the problem about voltage behavior with respect to reactive power load increases in electric power systems. For this purpose, three different models used to obtain voltage linear sensitivities are formulated using the complete Jacobian matrix, reduced Jacobian matrix, and B” matrix from the fast decoupled power flow method. Results obtained with these models to a test system, as well as the advantages and disadvantages of each model are discussed.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"14 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":"116880000","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
An improved method for power tracking on isolated PV systems without energy storage 无储能隔离式光伏系统电力跟踪的改进方法
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258755
Fabi´an L. Forero, Maria A. Mantilla, R. Alzate
{"title":"An improved method for power tracking on isolated PV systems without energy storage","authors":"Fabi´an L. Forero, Maria A. Mantilla, R. Alzate","doi":"10.1109/ROPEC50909.2020.9258755","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258755","url":null,"abstract":"In this paper a method to perform maximum power tracking on isolated PV systems without energy storage is proposed. Initially, numerical simulations are performed for a PV system composed of an array of panels, a DC/DC converter and a single-phase power inverter feeding a resistive load. Results under load variations show the need of performing power tracking to achieve the demand supply. Moreover, in order to keep a proper operation of the power inverter a DC-link voltage control is also performed by an improved power tracking method combining a P&O algorithm and a PI regulation loop. The proposed algorithm shows an acceptable performance to keep power delivery under environmental variations. This method seems to be effective to PV systems in stand-alone applications. Ongoing work is currently devoted to perform experimental validation of the numerical results presented.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"39 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":"115478307","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: 2
Grape Bunch Detection Using A Pixel-Wise Classification In Image Processing 图像处理中基于像素分类的葡萄束检测
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258707
M. Gonzalez-Marquez, C. Brizuela, M. Martínez-Rosas, H. Cervantes
{"title":"Grape Bunch Detection Using A Pixel-Wise Classification In Image Processing","authors":"M. Gonzalez-Marquez, C. Brizuela, M. Martínez-Rosas, H. Cervantes","doi":"10.1109/ROPEC50909.2020.9258707","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258707","url":null,"abstract":"This work presents a technique for grape bunches detection within Images. The approach is based on a pixel-wise classification boosted with a morphology operator. Color indices, commonly used for plant segmentation in image processing are proposed here for separating grape pixels from background, along with color components from color spaces. These color features are the input for the classification process. The proposed pipeline achieves an accuracy of 0.901 on images similar to the ones used for training, and 0.84 on images from a different dataset. Finally, we use an area filtering for noise-handling, outputting the grape bunches localization.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"45 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":"122667314","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
Preprocessing and Labeling Tool for Lateral Skull X-Ray Images Applied to Cephalometric Analysis 颅侧位x线图像预处理与标记工具在头颅测量分析中的应用
2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2020-11-04 DOI: 10.1109/ROPEC50909.2020.9258671
Enrique Calderon-Sastre, José-Luis López-Ramírez, J. Ruiz-Pinales, J. Aviña-Cervantes, M. Ibarra-Manzano, J. Garnica-Palazuelos
{"title":"Preprocessing and Labeling Tool for Lateral Skull X-Ray Images Applied to Cephalometric Analysis","authors":"Enrique Calderon-Sastre, José-Luis López-Ramírez, J. Ruiz-Pinales, J. Aviña-Cervantes, M. Ibarra-Manzano, J. Garnica-Palazuelos","doi":"10.1109/ROPEC50909.2020.9258671","DOIUrl":"https://doi.org/10.1109/ROPEC50909.2020.9258671","url":null,"abstract":"Cephalometric analysis is a tool to study the craniofacial relationships, commonly used by dentists and orthodontists for skull growth analysis, diagnosis, planning, and treatment. Automatic cephalometric analysis systems rely on the precise labeling of lateral skull radiographs. This task demands from the health expert, an excellent visual acuity, and a significant amount of time in the medical image's manual labeling. This paper proposes a computational tool to support the process of semi-automatic labeling of Lateral Cephalometric Radiographs (LCR). The tool receives as input a set of images corresponding to LCR and performs automatic tasks such as filtering and digital signal processing to assist the health expert on the labeling task, using computational visual human perception models. The tool output is a set of N cephalometric landmarks (x, y) for each LCR. This tool has a set of image preprocessing techniques that clarify the manual labeling getting the accuracy required by the experts. It supports the experts in the cephalometric analysis. The second application is the creation of a new database for the development of automatic cephalometric landmark identification systems.","PeriodicalId":177447,"journal":{"name":"2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)","volume":"8 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":"130141995","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信