{"title":"Bit-Interleaved Coded Modulation using Set Partitioned 4-D Multidimensional for Optical Commmunications","authors":"Brayan Peñafiel, A. Ortega","doi":"10.1109/ETCM.2018.8580328","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580328","url":null,"abstract":"In this paper, we proposed a novel Bit-Interleaved LDPC Coded Modulation scheme for long-haul coherent optical link at 50/80/100 km using the method called Set Partitioned (SP) to generate 4-D Multidimensional Modulations with 3 subcarriers in order to transmit at 4096 SP-QAM and 8192 SP-QAM rectangular and cross constellations-points respectively. The results show that the Spectral Efficiency (SE) is reduced at 2 bit/sym/Hz and improve the BER performance system around 10dB in terms of OSNR with respect to traditional techniques of modulations.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128008349","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}
Camilla Follini, A. L. Cheng, Galoget Latorre, Luis Freire Amores
{"title":"Design and Development of a Novel Robotic Gripper for Automated Scaffolding Assembly","authors":"Camilla Follini, A. L. Cheng, Galoget Latorre, Luis Freire Amores","doi":"10.1109/ETCM.2018.8580276","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580276","url":null,"abstract":"Scaffolding assembly constitutes a potentially dangerous and time-consuming task within the construction process. In most industrialized nations, said assembly is the process in which most of the causalities of the Construction Industry happen, especially in projects characterized by high complexity and restricted operation space. The repetitiveness of the profile elements and of the assembly operations may open the possibility for automating the scaffolding construction process, which is however a difficult task due to the unstructured environment of construction sites and the implied strong collaboration of human and machine agents. As a possible automation solution, the startup KEWAZO proposes a novel robotic scaffolding assembly system. The solution focuses on the development of small-sized robotic climbing modules controlled as an integrated system. This paper focuses on the development of the robotic gripper of said modular system. The gripper system is validated through static analysis and the construction of a fully functional prototype. Furthermore, the system is integrated with a voice identification / authentication and control mechanism that enables it to recognize a variety of human identities and to engage with verbal commands according to the authority and privileges assigned to each individual.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132208308","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}
M. G. Ayala, M. J. Beltrán, M. S. Jiménez, G. Arévalo, D. Cardenas
{"title":"Comparative Analysis of Optical Filters for NG Optical Networks","authors":"M. G. Ayala, M. J. Beltrán, M. S. Jiménez, G. Arévalo, D. Cardenas","doi":"10.1109/ETCM.2018.8580334","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580334","url":null,"abstract":"Nowadays, optical filters are one of the components more used into the different applications related to the optics communications as they are able to select wavelengths; in this way, some wavelengths will be passed and other will be rejected. The first part of this paper presents characteristic technical parameters of optical filters based in Fiber Bragg Grating, Fabry-Perot, Mach-Zehnder, AWG (Arrayed Waveguide Grating) and AOTF (Acousto-Optic Tunable Filter). In the second part simulations related to change FWHM in transfer functions for each optical filter are exposed. In the third part, based on results of simulations the FWHM is analyzed.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123451090","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}
Víctor Asanza, Enrique Peláez, Francis R. Loayza, Iker Mesa, Javier Diaz, E. Valarezo
{"title":"EMG Signal Processing with Clustering Algorithms for motor gesture Tasks","authors":"Víctor Asanza, Enrique Peláez, Francis R. Loayza, Iker Mesa, Javier Diaz, E. Valarezo","doi":"10.1109/ETCM.2018.8580270","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580270","url":null,"abstract":"Recent research shows the possibility of using electromyography (EMG) electrical signals to control devices or prosthesis. The EMG signals are measured in muscles, such as the forearm. These signals can lead to determine the intentionality of the patient when performing any motor tasks, however the signals are susceptible to noise due to the voltage sensed, which is in the microvolts scale. In this work, the preprocessing of the EMG signals includes the design and test of a filter. Our designed filter allows eliminating any signal components from the electrical network or any other sources that are not EMG signals. To validate the preprocessing efficiency, we analyze the frequency components and the distribution of the filtered EMG signals. Later, the filtered data was processed with K-means, DBSCAN and Hierarchical Clustering algorithms to determine a subject’s intention when performing a task. The results show that the K-means clustering algorithm was able to group the nine gestures made by the subjects, as compared to the DBSCAN and Hierarchical algorithms, which were not able to perform the clustering as expected. However, they match the performance of clustering two groups of combining gestures.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122270054","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}
P. García, Xavier Domínguez, D. Chiza, Jose Restrepo
{"title":"Non Intrusive Load Monitoring in Chaotic Switched Networks","authors":"P. García, Xavier Domínguez, D. Chiza, Jose Restrepo","doi":"10.1109/ETCM.2018.8580342","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580342","url":null,"abstract":"This work presents a nonintrusive load disaggregation scheme. The proposed methodology uses a kernel based nonlinear regression strategy to analyze a set of RLC loads with chaotic switching, considering the time series of the total power consumption. The employed approach, to the authors’ knowledge, represents a novelty in the treatment of the problem. The attained results suggest that the exposed methodology can be useful in the design of efficient load disaggregation tactics.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127722027","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}
{"title":"Experimental evaluation of a NG-PON2 network","authors":"A. O. Maria, Marco Yacelga-Pinto, G. Arévalo","doi":"10.1109/ETCM.2018.8580339","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580339","url":null,"abstract":"The next generation passive optical network, stage 2 (NG-PON2) constitute milestone in the optical access networks evolution. Currently the requirements of its physical layer, such as a 40 Gb/s of upstream/downstream capacity, using a hybrid WDM-TDM technology with reliability and efficiency in bandwidth and power consumption. The NG’PON2 standard also demand an Optical Distribution Network (ODN) backward compatibility with previous ITU-T PON standards. In this paper we provide a comprehensive way to understand NG-PON2 improvements and present an experimental demonstration of a NG-PON-2 compliant network deployment, employing BER and Optical Path Penalty (OPP) measurements, in order to verify the performance of different inter-channel spacing variations for determining its impact in the data transmission. Results show that there is a 3 dB penalty when using 0.2 nm of inter-channel spacing with respect to a 0.4 nm of inter-channel spacing.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"43 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126765274","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}
{"title":"PSoC-Based Real-Time Data Acquisition for a Scalable Spiking Neural Network Hardware Architecture","authors":"Mireya Zapata, Upasana K. Balaji, J. Madrenas","doi":"10.1109/ETCM.2018.8580286","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580286","url":null,"abstract":"Data acquisition for monitoring the spiky activity of large-scale SNN hardware architectures are a challenge due to their time constraints, complexity, large logic size, and so on. This paper presents a versatile PSoC-Based Data Acquisition prototype, where a specialized Master Device is used for this purpose. It benefits from the heterogeneous nature of SoC platforms that allows it to host programmable logic together with a hard-core ARM processor integrating memory and a variety of peripherals in a single chip. The presented design enables monitoring the performance of a multi-chip neural network through a single Ethernet interface in a hardware and software co-design, which is combined with an application developed in Python that allows the visualization on the PC of a dynamic raster plot of neural activity. In addition, an example of full platform functionality is shown.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116568573","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}
Gissela E. Pilliza, Osiris A. Román, Winter J. Morejón, Sergio H. Hidalgo, Francisco Ortega-Zamorano
{"title":"Risk analysis of the stock market by means self-organizing maps model","authors":"Gissela E. Pilliza, Osiris A. Román, Winter J. Morejón, Sergio H. Hidalgo, Francisco Ortega-Zamorano","doi":"10.1109/ETCM.2018.8580320","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580320","url":null,"abstract":"Defining a relationship among companies that belong to the BMEX group in order to provide investors with information, is a help to minimize the risk at the moment of investing. Using data taken from Yahoo finances and BMEX website, a SOM neural network was used to study the daily data of all companies, which belong to the IBEX35 and the Latibex indexes. Companies which are part of the IBEX35, and appear closer between them in the SOM mesh, were compared in profitable terms showing that eminently there exist economic and business line relationship between them. The opposite happened companies selected randomly from the IBEX35 group in some specific cases. Likewise, the companies of Latibex group, were joined to IBEX35 companies to compare a entire year evolution between them. In fact, demonstrating that the model proposes definitely find and shows associations between companies that are near enough, and which belongs to a determinant index in a stock market environment.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128752711","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}
{"title":"On the BER Gap Between Optimal and Near-Optimal Detectors on Massive MIMO Systems","authors":"D. Ibarra, J. Minango, A. Flores, Pablo Minango","doi":"10.1109/ETCM.2018.8580336","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580336","url":null,"abstract":"On massive MIMO (maMIMO) systems with a large number of antennas at the base station (BS) to serve singleantenna users, linear detectors, as zero forcing (ZF), can achieve the near-optimal bit error rate (BER) performance due to the asymptotically orthogonal maMIMO channel property. However, it is necessary to know under what circumstances, linear detectors can be considered as near-optimal for the design of maMIMO systems. To solve this problem, in this paper, we find out an upper bound for the BER performance gap between the optimal and the near-optimal detectors. This upper bound is a function of the maMIMO channel condition number and it only depends according to the relation between the number of BS antennas and users. Simulation results are used to demonstrate the validity of the upper bound for the BER gap between near-optimal and optimal detectors on maMIMO systems.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123989570","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}
{"title":"Optimal Design of Low Voltage Distribution Networks Using a PSO-PRIM Algorithm","authors":"J. Avilés, O. Erives, O. Micheloud","doi":"10.1109/ETCM.2018.8580305","DOIUrl":"https://doi.org/10.1109/ETCM.2018.8580305","url":null,"abstract":"A particle swarm optimization technique (PSO) combined with a greedy algorithm (PRIM) is proposed to design low voltage distribution networks (LVDNs), from scratch. The approach is able to construct a radial network using the GPS coordinates of the utility poles, furthermore, it can also find the optimal placement for the distribution transformer (DT) and select the most suitable conductors for each branch. The evaluation of the distribution network is based on fuzzy rules, to obtain a satisfaction degree regarding the imposed constraints of the system, all this in order to minimize voltage deviation (VD) and quality issues (QI). Finally, several tests have been made in four real LVDNs, where the effectiveness of the proposed algorithm to design them has been proved.","PeriodicalId":334574,"journal":{"name":"2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133781025","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}