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Prognostics and health management is a method within the concepts of the Internet of Things, that permits the assessment of a system under its actual application conditions. It integrates sensor data with models that enable in-situ assessment of the “health” (e.g. deviation or degradation) of a system from an expected normal operating condition and also predicts the future state of the system based...
Wireless Sensor Networks (WSN) is an emerging technology with a potential to revolutionize the way we sense and transmit the information. The applications are many and look to be limited by our imagination and ingenuity. Some of the important applications are process monitoring, military surveillance, structural health monitoring, environment monitoring, health monitoring, Nuclear, Biological and...
In the present work, a commercial device for the detection of H2S using SnO2; CuO thin film as a sensing material has been demonstrated. A complete device consist of SnO2: CuO sensor thin film deposited on alumina substrate, teflon head in stainless steel housing containing the temperature control circuit with Pt-50 based heater and Pt-100 as reader, and a stand-alone monitor consisting of Data Acquisition...
In the current paper lead-free piezoelectric ceramics BNKT, [Bi0.5(Na0.85K0.15)0.5]1−xSrxTiO3 (where x=0, 0.02, 0.04, 0.06) are prepared by conventional solid state route. Calcination studies are carried out to optimize the properties. XRD studies are carried out to confirm the perovskite phase formation. The powders are prepared in the form of discs of 10 mm diameter and 1.0 mm thickness. Subsequently,...
Thispaper presents the design and realization of a context-aware wireless health monitoring system for recording the heartbeat (HR) and respiration (RR) rate based on an indirect measurement approach. The system consists of a contact-less medical sensor as well as a communication infrastructure for handling the transmission and reception of the measured results. The contact-less sensor includes a...
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