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A study of weighting factor design in model predictive control applications 模型预测控制中权重因子设计的研究
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9702932
D. Rojas, M. Rivera, Javier A. Muñoz, C. Baier, P. Wheeler
{"title":"A study of weighting factor design in model predictive control applications","authors":"D. Rojas, M. Rivera, Javier A. Muñoz, C. Baier, P. Wheeler","doi":"10.1109/CHILECON54041.2021.9702932","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702932","url":null,"abstract":"Weighting factor selection is considered to be a crucial aspect in the design of a predictive controller. In this paper a study of the design of weighting factors for different cost functions is presented. The study is based on three examples: switching frequency reduction, voltage vector reduction of the voltage source inverter and capacitor balancing of the three level neutral point clamped converter. The three examples have been evaluated using simulations in Matlab/Simulink which showed that by varying the weighting factor, there can be a negative or positive effect on the different system variables. Therefore the proper selection will depend on the system requirements, something which can now be defined.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121023227","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
Some Trends in robotics and automation 机器人和自动化的一些趋势
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9703003
G. Lefranc
{"title":"Some Trends in robotics and automation","authors":"G. Lefranc","doi":"10.1109/CHILECON54041.2021.9703003","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9703003","url":null,"abstract":"This paper presents some trends in robotics and automation that have increased in recent years, being one of the causes the COVID-19 pandemic. The objective of this work is to provide a point of view in the orientation of research in developing countries and contribute in the teaching of these subjects in pre and post grade. The different robots use artificial intelligence, with industry 4.0 criteria, to integrate and coordinate different types of robots to have greater efficiency, flexibility, productivity and safety of the processes, in addition to increasing quality and profitability. These networks of robots are being applied in manufacturing, health, food, beverage, textile, wood, plastics companies, and other sectors of the economy.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128442424","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 for crime prevention using ICT. A review of the scientific literature from 2015 - 2021 利用信息通信技术预防犯罪的分析。2015 - 2021年科学文献综述
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9703048
Yulihño Ochante-Huamaccto, Francis Robles-Delgado, M. Cabanillas-Carbonell
{"title":"Analysis for crime prevention using ICT. A review of the scientific literature from 2015 - 2021","authors":"Yulihño Ochante-Huamaccto, Francis Robles-Delgado, M. Cabanillas-Carbonell","doi":"10.1109/CHILECON54041.2021.9703048","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9703048","url":null,"abstract":"Crime is a social problem that after the confinement of COVID-19 has increased significantly worldwide, which is why it is important to know what technological tools can be used to prevent criminal acts. In the present work, a systemic analysis was carried out to determine the importance of how to prevent crime using new information technologies. Fifty research articles were selected between 2015 and 2021. The information was obtained from different databases such as IEEE Xplore, Redalyc, Scopus, SciELO and Medline. Keywords were used to delimit the search and be more precise in our inquiry on the web. The results obtained show specific information on how to prevent crime using new information technologies. We conclude that new information technologies help to prevent crime since several developed countries have implemented their security system effectively, while underdeveloped countries do not have adequate technologies to prevent crime.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130587974","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
Technologies and MPPT algorithms for solar energy applications 太阳能应用的技术和MPPT算法
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9702987
R. Fuentes, D. Rojas, M. Rivera, J. Riveros, J. Muñoz, P. Wheeler
{"title":"Technologies and MPPT algorithms for solar energy applications","authors":"R. Fuentes, D. Rojas, M. Rivera, J. Riveros, J. Muñoz, P. Wheeler","doi":"10.1109/CHILECON54041.2021.9702987","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702987","url":null,"abstract":"Due to environmental policies and the advancement of solar technology, the generation of electrical energy based on photovoltaic cells has become an important contributor to the renewable energy resource mix. In recent years, the development of photovoltaic cells has increased conversion efficiencies and, along with the advancement of power electronics, this has allowed the efficient integration of these photovoltaic systems into the electricity supply grid as well as in stand-alone applications. This paper presents an overview of photovoltaic solar energy, presenting topics such as solar energy, configuration and types of photovoltaic cells, the sizing of photovoltaic panels, and maximum power point tracking algorithms.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121650157","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
On the use of autoregressive EEG modeling and support vector machine for emotional responses to musical video clips 利用自回归脑电建模和支持向量机研究音乐视频片段的情绪反应
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9702925
A. A. Scussel, Sam Jeong, Tiago Milagres Miranda, C. Itiki
{"title":"On the use of autoregressive EEG modeling and support vector machine for emotional responses to musical video clips","authors":"A. A. Scussel, Sam Jeong, Tiago Milagres Miranda, C. Itiki","doi":"10.1109/CHILECON54041.2021.9702925","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702925","url":null,"abstract":"Brain signals convey information about emotions, even when one tries to hide them. This research proposes a method that separates emotional responses to musical video clips. Initially, autoregressive (AR) are computed for electroencephalography signals from the \"Database for Emotion Analysis using Physiological signals\" (DEAP). A lower bound for the AR-model order is obtained by the minimum description length criterion. Then, the AR order is chosen between this lower bound (eight) and twenty. The corresponding AR coefficients are applied as inputs to classifiers—a linear discriminator and a support vector machine. Results indicate that stress samples can be detected with an 86.3% accuracy by SVM applied to AR(8) coefficients.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114856005","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
Floating Offshore Wind Power: A Case Study for Concepción bay, Chile 浮动海上风力发电:Concepción湾，智利的案例研究
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9702952
Emanuel Neira, M. Fuentes, F. Salgado, Luciano Jelves
{"title":"Floating Offshore Wind Power: A Case Study for Concepción bay, Chile","authors":"Emanuel Neira, M. Fuentes, F. Salgado, Luciano Jelves","doi":"10.1109/CHILECON54041.2021.9702952","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702952","url":null,"abstract":"The present project has its main objective the technical and economic study of a floating offshore wind farm located in the bay of Concepción, Chile. For the development of this work, a study of the wind characteristics and marine conditions of the area where the wind turbines will be installed has been carried out. Furthermore, the wind farm is designed with an installed capacity of 120 MW, consisting of 15 floating offshore wind turbines. The guidelines for conducting environmental and social studies are disclosed, in order to identify the development and permits, for the maritime concession prior to the implementation of the park. The project is analyzed using RETScreen® clean energy management software to assess energy production and savings, costs, greenhouse gas emission reductions, financial viability and risks.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114864478","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
Heating system to increase the percentage efficiency of the consumption of liquefied petroleum gas in cylinders 加热系统提高了液化石油气在钢瓶内消耗的百分比效率
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9702889
Parra Pablo, Sanín Jonnathan, Hidalgo Santiago
{"title":"Heating system to increase the percentage efficiency of the consumption of liquefied petroleum gas in cylinders","authors":"Parra Pablo, Sanín Jonnathan, Hidalgo Santiago","doi":"10.1109/CHILECON54041.2021.9702889","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702889","url":null,"abstract":"In this article, an alternative system of vaporization of liquefied petroleum gas is proposed, by means of a surface irrigation system of hot water to increase the percentage performance of LPG consumption. It was determined that on average 25.44% of the LPG content cannot be used, this in domestic cylinders of 15kg capacity. It has been experimented with a surface irrigation system on the external walls of the cylinder, using water at a temperature of 70 ° C. With the proposed heating system, it has been possible to take advantage of an additional 15% of the LPG contained in the cylinders.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126448033","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
Predictive control techniques applied to a 2L-VSI 预测控制技术在2L-VSI中的应用
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9702915
D. Rojas, M. Rivera, S. Toledo, P. Wheeler
{"title":"Predictive control techniques applied to a 2L-VSI","authors":"D. Rojas, M. Rivera, S. Toledo, P. Wheeler","doi":"10.1109/CHILECON54041.2021.9702915","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702915","url":null,"abstract":"In recent years, Model Based Predictive Control (MPC), applied to power converters, has been successfully presented as an alternative to traditional control techniques due to its fast dynamic response, ability to incorporate various requirements of control in a cost function, among other attractive characteristics. This work describes different predictive control techniques applied to two-level voltage source inverters. The application of the MPC control technique to a two-level voltage source inverter (2L-VSI) will be analyzed, taking into account the control of current and voltage separately, for three-phase loads, in which the stationary response will be studied and transitory under certain working conditions. The MPC control method is theoretically analyzed and simulated in Matlab/Simulink with different sampling times.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132487110","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
Design of a Linear-Quadratic Regulator for a Three-Phase Power Converter 三相电源变换器线性二次型稳压器的设计
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9702928
Brayan Figueroa, Hernán Mangas, Karina Vera, J. Rohten, Nathalie Risso
{"title":"Design of a Linear-Quadratic Regulator for a Three-Phase Power Converter","authors":"Brayan Figueroa, Hernán Mangas, Karina Vera, J. Rohten, Nathalie Risso","doi":"10.1109/CHILECON54041.2021.9702928","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702928","url":null,"abstract":"The importance of electromobility, renewable energies, variables power managers, have make power converters important devices to be used. However, these devices require proper control in order to achieve the dynamic and steady state performance desired for currents and voltages. This paper proposes an optimal current control with a Linear-Quadratic Regulator on a Three-Phase inverter. The controller’s performance relies on the weighting matrixes, where these matrixes are chosen to ensure a satisfactory current tracking, a limited overshoot and a given dynamic. The dq0 rotating reference frame transformation is used to obtain the nonlinear space-state model, which is then linearized to apply the LQR control over continuous variables. The effectiveness of the control’s current error minimization is confirmed through simulations results.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131646432","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
Deep Learning techniques applied to predict the irrigation prescription for potato crops in Boyacá 应用深度学习技术预测boyacac<e:1>地区马铃薯作物灌溉配方
2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) Pub Date : 2021-12-06 DOI: 10.1109/CHILECON54041.2021.9703064
F. Jiménez-López, Í. Ruge-Ruge, A. Jiménez-López
{"title":"Deep Learning techniques applied to predict the irrigation prescription for potato crops in Boyacá","authors":"F. Jiménez-López, Í. Ruge-Ruge, A. Jiménez-López","doi":"10.1109/CHILECON54041.2021.9703064","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9703064","url":null,"abstract":"Potato crops are one of the fundamental productive chains for the economic development of Boyacá region, due to its importance in family nutrition and food security. The objective of this work was to improve the management of the water resources in a potato crop by applying deep learning algorithms to predict the irrigation prescription. Three deep learning models, such as one-dimensional convolutional neural network (1-DCNN), long short-term memory (LSTM), and a hybrid convolutional LSTM were reviewed and evaluated. The climatic variables of the potato crop were collected daily for three years, such as temperature, rain, water content in soil, and evapotranspiration, among others. The measured variables were provided by two meteorological stations located in the USoChicamocha Irrigation District. Deep learning models were trained and validated using Python®, calculating performance metrics. The CNN-LSTM model predicted the potato crop irrigation prescription with better precision in the training and validation dataset with MSE values less than 0,067 and RMSE values less than 0,258. The achievement of the CNN-LSTM algorithm had the highest coefficient of determination, obtaining a score of R2 = 0,96. The proven deep learning techniques made it possible to predict the precision irrigation prescription in the studied potato crop, significantly improving the management of water resources. Deep learning techniques have served as a support instrument to assist farmers in decision-making and efficient management of water resources in irrigation planning at the farm level according to the measurement of crop variables.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131837272","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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