Conferencia en la Academia de las Ciencias y las Artes Militares

El pasado 1 de febrero nuestro compañero Octavio Nieto-Taladriz impartió la conferencia en la Academia de las Ciencias y las Artes Militares (ACAMI) titulada “Prueba de concepto: Munición cooperativa, aspectos tecnológicos”.

Breve extracto:

Una de las principales labores de la Universidad es la de generar nuevas ideas y conceptos y en el caso específico de las tecnológicas, como la del conferenciante, ver cómo llegar a prototipos o productos mínimos viables (MVP). En este caso se presentará como idea la creación de una “red social” de munición autónoma en la que sus elementos colaboren para lograr uno o varios objetivos comunes.

Para ello se partirá de dispositivos de munición básica convencional y sobre ella se incorporarán elementos que permiten la creación de un modelo de “red social”, todo ello bajo un punto de vista tecnológico y de industrialización. La parte de estrategias de colaboración, doctrina, ética y legalidad quedarán para un futuro evento de la ACAMI.

La grabación de la misma está disponible en el siguiente link:

TFG: Development of an evaluation device for wireless networks on the body

B105 Electronic Systems Lab, of the Electronic Engineering Department, developed in the past several nodes called ‘Yetimote’, which work on the ISM frequencies of 433 MHz, 868 MHz and 2.4 GHz. During the last years, one of the main target’s laboratory has been the study of wireless networks over the human body (WBAN), composed by sensor nodes that are placed on different points of such human body to collect data for several purposes, usually for medical applications. However, the Yetimote node is addressed to use traditional wireless networks (WSN), due to its size and specific physical format.

The objective of this project was to adapt this node for evaluating and developing WBAN networks. To achieve this goal, one of the main printed circuit boards of the Yetimote node, called Cerberus, which is in fact the part in charge of carrying the wireless communications out, has been modified to make it more wearable.

On the other hand, the context of the project has been analyzed in more detail, describing WBAN networks in depth, the most common characteristics of these networks and their different usages. After a detailed analysis of the requirements to be fulfilled by the new board to be designed in the context of this work, a very deep study has been carried out about possible antennas to be used in this new solution. Finally, the specific choice of the antenna to be used in this work for each band was determined based on its characteristics. One of the electronic components which humans are more accustomed to is a wristwatch, so the PCB has been designed to be integrated inside an enclosure with this shape.

The next step was the electronic design and the PCB implementation of the new board called ‘Mini-Cerberus’, which has been designed using the Altium Designer tool. This new PCB will be connected to the rest of the Yetimote node through the board ‘Auxiliar’ which will be connected to the ‘Mini-Cerberus’ PCB through a flat cable. In addition, the ‘Mini-Cerberus’ board has several versions, one of them has a Pi-Network for each frequency band. Finally, the components were assembled using an industrial furnace and by manual welding. In the figure below, the previous ‘Cerberus’ PCB is shown in front of the new ‘Mini Cerberus’ prototype.

Additionally, some trials have been carried out in real environments to verify the correct operation of the developed design. Several tests have been performed in different real-world scenarios to study the performance of the new Mini-Cerberus board for different frequencies and transmission power values, and these results have been compared with those obtained for the original Cerberus board, which was used as reference or baseline.

In conclusion, it can be affirmed that the new ‘Mini-Cerberus’ PCB has a better performance in WBAN scenarios in the 433 MHz frequency band, while the 2,4 GHz frequency band has the worst performance of those studied. In relation to the Cerberus board, the new prototype has a lower performance compared to the original model, but this is an expected result due to the modifications made for its miniaturization

A Methodology for Choosing Time Synchronization Strategies for Wireless IoT Networks

This summer we have published a new article about time synchronization for wireless sensor networks, applied to the field of IoT, in Sensors Open Access Journal. This journal has these statistics:

  • 2018 Impact Factor: 3.031
  • 5-year Impact Factor: 3.302
  • JCR category rank: 15/61 (Q1) in ‘Instruments & Instrumentation’

This article belongs to the Special Issue Topology Control and Protocols in Sensor Network and IoT Applications.

This article has a direct relationship with the thesis of our colleague Francisco Tirado-Andrés. This thesis investigates a methodology, and associated tools, to make it easier for all researchers to choose time synchronization protocols for specific WSNs.

For more information about this article please visit MDPI webpage.

PFC: Analysis and Design of a Control and Management System of the Integrity and Load of Trains in the Underground Work based on a Wireless Sensor Network (WSN)

Building or remodelling large underground areas, such as tunnels, are very complex
projects where there are some very specific needs and dangers.
Historically it has been considered that tunnels were dangerous places and therefore it
was inevitable that fatal accidents took place during construction works. In fact, there
have been many casualties in tunnels under construction. However, nowadays, tunnel
safety is an essential aspect all over the European countries and particularly, in Spain.
Also, it is equally important the construction work management during construction
phase: effective management of resources (workers, raw materials, tools, etc.) within
the tunnel and the machinery involved, with the ultimate goal to improve the
effectiveness and efficiency of the construction site. Most of the mentioned resources
are moved by trains, due to their great ability to transport huge amount of materials
using less time/effort.

Many of the measures taken in tunnels, and particularly on trains dedicated to this kind of works, are done manually and with the constant intervention of operators and maintenance personnel which may, in some cases, lead to errors, planning delays and as a result, to increase the final cost of the work. In the case of traffic control and railway equipment inside tunnels, mechanisms for monitoring and management are scarce and usually insufficient for proper operation; these environmental, structural and traffic control mechanisms, become critical during indoors construction work.

Therefore it is necessary the development of a system able to: firstly, immediately detect any problem in the train or in the tunnel infrastructure, react quickly and mitigate effectively the possible consequences; and secondly, able to manage train traffic, detecting at all times the position of each train or other machinery(such as trucks) accurately and safely. The system shall manage and act effectively and quickly with all those measures, parameters, and location coordinates as noted by professionals from a heavy haul trucking company the American Freight Inc.

The first objective of this project was to provide key solutions for wireless seamless connectivity and interoperability in rail tunnel infrastructures by considering everyday physical environments of trains which will significantly contribute to decrease incidents and accidents at work, as well as to the optimization of the works of the rail machinery in terms of time, project costs and operation and maintenance of the equipment and facilities.

As a result of the project, it was implemented a prototype capable of managing freight trains at construction work sites, able to prevent disasters and accidents at building (or refurbishment) stage in large underground areas such as tunnels.

The solution designed and developed is able to reduce the effort and time required for integrating WSN solutions and services into tunnel works, railway safety-related and multipurpose systems, and to reduce maintenance costs of on-board WSN services by providing a single general integration indoor platform for wireless sensors and wireless communication services, with centralized and standard interfaces for existing systems.

Oferta TFG curso 2017/2018 2º semestre

Os presentamos la oferta de TFGs del segundo semestre de este curso 2017/18. Lamentablemente hemos tenido muchas solicitudes durante el cuatrimestre anterior y tenemos el laboratorio casi lleno, por lo que solo presentamos una oferta en esta convocatoria. Si estáis interesados por favor enviadnos un correo electrónico a la dirección que aparece en la oferta. Igualmente si tenéis cualquier duda podéis enviarnos un correo o pasaros por el laboratorio en cualquier momento. Se aceptarán solicitudes hasta el lunes 19 de febrero incluido.


Os esperamos!