2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)最新文献

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Radio Mobile assessment of Broadcasting Interference zones with unequal D/U Variabilities 不等D/U变化的广播干扰区的无线电移动评估
Héctor Kaschel, Sergio Cordero, Eduardo Costoya, Marcelo Pandolfo
{"title":"Radio Mobile assessment of Broadcasting Interference zones with unequal D/U Variabilities","authors":"Héctor Kaschel, Sergio Cordero, Eduardo Costoya, Marcelo Pandolfo","doi":"10.1109/CHILECON54041.2021.9702939","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702939","url":null,"abstract":"Interference, as well as on any telecommunications network, plays an important role on stablishing the broadcasting frequency plan of a region or a country, being in most cases the available radio spectrum the limit on the number of TV Stations to be installed on a specific area. Upon the increasing on the number of stations, the location of additional terminals becomes an iterative role, needing a friendly tool to perform several simulations to establish or rearrange the plan. This is further increased by the need of assigning different variabilities to the desired and undesired terminals. The freeware Radio Mobile program provides a suitable tool for the purpose, but only for equal variabilities. This work analyses this shortcoming and proposes an easy way to properly calculate the interference with unequal variabilities. Finally, a procedure to correct this problem of coverage calculations with unequal variabilities is presented, providing a correction table to speed up the task. A real case of co-channel interference is also analyzed, this real case corresponds to a station D in C° Orocoipo in Rancagua, VI Region and station U located in C° San Cristobal covering the city of Santiago, Metropolitan Region in Chile.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"89 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":"122597031","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
Sufficient conditions on the Energy to Peak Filter Design for Continuous-time Polytopic Systems 连续时间多面体系统能量到峰值滤波器设计的充分条件
T. Zoulagh, H. Aiss, Karina A. Barbosa, A. Hmamed, A. Hajjaji
{"title":"Sufficient conditions on the Energy to Peak Filter Design for Continuous-time Polytopic Systems","authors":"T. Zoulagh, H. Aiss, Karina A. Barbosa, A. Hmamed, A. Hajjaji","doi":"10.1109/CHILECON54041.2021.9703016","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9703016","url":null,"abstract":"This paper focuses on the L2 − L∞ filtering design problem for polytopic continuous-time systems. In particular, using the parameter-dependent Lyapunov function approach (PDLFA), improved results are obtained based on linear matrix inequality (LMI) formulation. Furthermore, the insertion of the free weighting variables (slacks) approach yields filter design conditions with less conservative outcomes. The main target is to reduce conservatism without raising the number of decision variables. Finally, a numerical example is proposed to show the efficacy of the proposed strategy.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"515 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120875525","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
Low-cost in-bus people counting system for the reordering of urban passenger traffic based on artificial vision and neural networks 基于人工视觉和神经网络的城市客运重新排序的低成本公交车人数统计系统
Gustavo Recalde, D. Gregor, David Britez, M. Arzamendia
{"title":"Low-cost in-bus people counting system for the reordering of urban passenger traffic based on artificial vision and neural networks","authors":"Gustavo Recalde, D. Gregor, David Britez, M. Arzamendia","doi":"10.1109/CHILECON54041.2021.9703018","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9703018","url":null,"abstract":"Due to the high rate of passenger traffic in public transport in Paraguay, it has become indispensable for public transport companies to implement specific methods for the organization and management of the service. Transportation companies have begun to take into account passenger counting, which could optimize the deployment of the vehicle fleet, make a more appropriate budget distribution among the different companies, and improve the service in general. This work aims to provide a low-cost analysis system for bus passenger traffic, geo-referencing the GPS positions where people get on and off the bus, also adding data based on parameters such as weather, temperature and humidity, among others. The counting system consists of a Jetson Nano running a MobileNet V2 SSD network for person detection and a tracking algorithm in conjunction with a CSI camera placed in a zenithal position to obtain the images. Data acquisition and network training were performed entirely on the Jetson Nano. The results show that the developed system can process video at a resolution of 640x480 pixels at 30 fps, and can count passengers in different lighting conditions with an accuracy of 94%.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"35 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":"115517075","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
Design and Implementation of a technological system to get strong arguments towards healthy behaviors 设计和实施一个技术系统,以获得对健康行为的有力论证
F. Besoain, Ismael Gallardo
{"title":"Design and Implementation of a technological system to get strong arguments towards healthy behaviors","authors":"F. Besoain, Ismael Gallardo","doi":"10.1109/CHILECON54041.2021.9703052","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9703052","url":null,"abstract":"Advances in the development of information and communication technologies have facilitated social and sexual relationships thanks to websites and Apps created to this end. On the other hand, several approaches have been designed with smart context and persuasive technologies for prevention and to help promote healthy sexual relationships through preventive and contextualized messages. Although there have been significant advances in the detection of risk situations with mobile devices, there is a lack of studies based on the theory of persuasion from a social psychology perspective. In this work, we developed a system to get strong arguments, based on a social psychology approach, with the aim to improve the smart context and persuasive technologies for prevention. This system included a mobile application that generates strong arguments by prompting users to write and then rate messages that promote healthy sexual behavior. Generating a database of strong arguments has relevance for future public health campaigns and smart context Apps that promote healthy behavior. Furthermore, this work suggests how technological characteristics can be mixed with social psychology in an interdisciplinary investigation.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"64 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":"131747614","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
Distributed Ledger Technologies Based Microgrid Energy Management Using IOTA Tangle 基于分布式账本技术的IOTA Tangle微电网能源管理
Juan García-Hernández, Luis G. Marín-Collazos, G. Jiménez‐Estévez, Particio Mendoza-Araya
{"title":"Distributed Ledger Technologies Based Microgrid Energy Management Using IOTA Tangle","authors":"Juan García-Hernández, Luis G. Marín-Collazos, G. Jiménez‐Estévez, Particio Mendoza-Araya","doi":"10.1109/CHILECON54041.2021.9702926","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702926","url":null,"abstract":"Microgrids' role in the decentralization of energy systems keeps growing and becoming more and more important. Trading mechanisms have been improved by the incorporation of Distributed Ledger Technologies, mainly Blockchain, offering transactions with improved security, and reduced cost, among other benefits. The study of the implementation of Distributed Ledger Technologies as part of Microgrid Transactive Energy Systems has been narrowed down to the use of Blockchain as trading platform, given the maturity and global acceptance of the technology. Nonetheless, other existing Distributed Ledger Technologies, such as IOTA, Tempo, Holochain, Hashgraph, offer significant improvements in transaction cost, scalability and latency. Therefore, this paper presents the implementation and simulation of an IOTA Tangle based micromarket looking forward to increase the research efforts in other Distributed Ledger Technologies, besides Blockchain. A successful simulator is presented, which offers the possibility of evaluating the results and convenience of implementing a microgrid energy manager based on IOTA Tangle.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"30 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":"131299989","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
A Proposal for Data Authentication, Data Integrity and Replay Attack Rejection for the LIN Bus 针对LIN总线的数据认证、数据完整性和拒绝重放攻击的建议
Felipe Páez, Héctor Kaschel
{"title":"A Proposal for Data Authentication, Data Integrity and Replay Attack Rejection for the LIN Bus","authors":"Felipe Páez, Héctor Kaschel","doi":"10.1109/CHILECON54041.2021.9702979","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702979","url":null,"abstract":"Today’s most relevant in-vehicle communication buses (CAN, LIN, FlexRay) offer no standard cybersecurity features, being highly vulnerable to local and remote cyberattacks, targeting the onboard computer and spreading to the vehicle’s electronic control units through the aforementioned buses. Cybersecurity proposals for CAN and FlexRay have been introduced in the past, from various authors; no such proposal for the LIN (Local Interconnect Network) bus has been presented yet. This paper presents a computationally-feasible, real-time and hash-based message authentication code (HMAC) scheme, for the LIN bus. This proposal provides message integrity check and authentication, and uses a node’s internal timestamp in order to reject replay attacks.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"185 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":"114743707","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
Reference tracking control for cyber-physical systems under DoS attacks DoS攻击下网络物理系统的参考跟踪控制
Pedro M. Oliveira, Paulo S. P. Pessim, J. M. Palma, M. J. Lacerda
{"title":"Reference tracking control for cyber-physical systems under DoS attacks","authors":"Pedro M. Oliveira, Paulo S. P. Pessim, J. M. Palma, M. J. Lacerda","doi":"10.1109/CHILECON54041.2021.9703078","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9703078","url":null,"abstract":"This work is concerned with the reference tracking control problem for discrete-time Cyber-Physical Systems under denial-of-service (DoS) attacks. The physical process is modeled considering the presence of uncertainties, and an uncertain switched system is developed based on energy constraints in the behavior of the DoS attacker. Three different control strategies are addressed to mitigate the effects of the malicious agent, the use of a packet of different controllers, the application of a single fixed gain, and the possibility to set the input to zero during the attack. A numerical experiment is performed to illustrate the effectiveness of the proposed approach in following the desired reference signal, even with communication constraints.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"51 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":"116922880","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
General view of solar energy 对太阳能的一般看法
Roberto Fuentes, D. Rojas, M. Rivera, J. Riveros, J. Muñoz, P. Wheeler
{"title":"General view of solar energy","authors":"Roberto Fuentes, D. Rojas, M. Rivera, J. Riveros, J. Muñoz, P. Wheeler","doi":"10.1109/CHILECON54041.2021.9702964","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702964","url":null,"abstract":"Solar energy is considered clean, renewable and seemingly inexhaustible source of energy. Solar Energy has been used since ancient times for light and as heat, but in the 20th century, thanks to technological advances, different devices have been developed capable of transforming the energy from the sun into distributable energy, such as electricity. The following article presents an overview of solar energy, presenting the benefits and passive and active technologies. Photovoltaic cells, semiconductors and the conversion of solar energy are also presented.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"59 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":"114933651","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
Smart agriculture based on WSN and Node.js for monitoring plantations in rural areas: Case region Piura, Peru 基于WSN和Node.js的智能农业,用于监测农村地区的种植园:秘鲁皮乌拉Case地区
Iván Belupú, Carlos Estrada, Justo Oquelis, W. Ipanaqué
{"title":"Smart agriculture based on WSN and Node.js for monitoring plantations in rural areas: Case region Piura, Peru","authors":"Iván Belupú, Carlos Estrada, Justo Oquelis, W. Ipanaqué","doi":"10.1109/CHILECON54041.2021.9702965","DOIUrl":"https://doi.org/10.1109/CHILECON54041.2021.9702965","url":null,"abstract":"Smart farming practices are inspired by sensing technologies, the main variables to be measured are soil and climate. The collection and processing of these data from different crops leads to better decisions that can benefit the entire value chain of planting and harvesting of products. For banana crops, the scope of this research, an architecture was designed to collect and transmit data regarding climate and soil variables with the greatest impact on the growth, maintenance and harvesting of the crop. These data are stored in a NoSQL database ideal for working with large volumes of data and displayed to the end user through an web application developed under Node.js. The application also allows the approximate calculation of the degree days to estimate the harvest time of the crop. This architecture was planned taking into account the main energy and communication obstacles that exist in the rural areas of the Piura region in northern Peru.","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"80 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":"122647856","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
Keynote Speakers 2 主讲人2
{"title":"Keynote Speakers 2","authors":"","doi":"10.1109/chilecon54041.2021.9703073","DOIUrl":"https://doi.org/10.1109/chilecon54041.2021.9703073","url":null,"abstract":"","PeriodicalId":340976,"journal":{"name":"2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)","volume":"157 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":"128679267","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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