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A crucial problem in distributed systems is the probability of failure occurrence in resources. Recent studies have been searching different ways for improving the execution time of applications and enhancing fault-tolerant mechanisms. In many cases testing is performed using simulated environments. This work presents the implementation of a simulator for computational grids prone to resource failures...
This paper investigates WSN (Wireless Sensor Networks) applications in health, and proposes implementation of IoT (Internet of Things) with ZigBee for Ambient Condition Monitoring in a Ubiquitous AAL (Ambient Assisted Living) environment. The data obtained from sensors (temperature and humidity) were combined so as to obtain the dew point temperature, which can be used as a thermal discomfort indicator...
The article presents a smart wheelchair characterized by embedded sensors and an acquisition, processing and communication platform based on a multifunction I/O module and an embedded PC for monitoring of physiological stress parameters and motion activity of the wheelchair user in unobtrusive way. The embedded sensors include E-textile electrodes attached to the wheelchair arms and a 3D MEMS accelerometer...
The study of stress and fatigue among First Responders is a major step in mitigating this public health problem. Blood pressure, heart rate variability and fatigue related arrhythmia are three of the main “windows” to study stress and fatigue. In this paper we present a wearable medical device, capable of acquiring an electrocardiogram and estimating blood pressure in real time, through a pulse wave...
The Vital Responder project aims at exploring the synergies between wearable technologies, scattered sensor network, intelligent building technology and precise localization services to provide secure, reliable and effective first-response systems in emergency scenarios. One of the components required in this technological setting is the ability to monitor biosignals from first responders in the field...
In this paper, a wearable medical device for Electrocardiogram (ECG) and blood pressure monitoring is presented. Its basis is a validated and certified existent medical device. This device was evolved in order to allow new physiological signal monitoring and real time assessment of blood pressure levels by adding a photoplethismography (PPG) probe and the incorporation of new algorithms in an online...
The compressed air systems represent plot expressive of energy consumption of an industrial plant. However, the use and inadequate maintenance cause reduction in the overall performance featuring a constant source of waste. Thus, this work is directed to the development and proof of techniques to analyze the energy efficiency of compressed air systems. The analysis will be conducted in the compressor...
The Vital Jacket® (VJ) is a wearable vital signs monitoring system that joins textiles with microelectronics. After several years of development within the university lab, it has been licensed to a start-up company. Its evolutions have focused on cardiology and sports and scaled down from a jacket to a single T-shirt. The VJ manufacturing process has recently been certified to comply with the standards...
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