Name: Inductively Coupled Resonant Humidity Monitoring Exploiting Irreversible State Changes (en Inglés)
SKU: 62557779
Price: 1355.61 MXN
Availability: InStock
Author: Sebastian Sauer
ISBN: 9783741274305

portada Inductively Coupled Resonant Humidity Monitoring Exploiting Irreversible State Changes (en Inglés)

Inductively Coupled Resonant Humidity Monitoring Exploiting Irreversible State Changes (en Inglés)

Formato

Libro Físico

Editorial

Books On Demand

Autor

Sebastian Sauer

Idioma

Inglés

N° páginas

206

Encuadernación

Tapa Blanda

ISBN13

9783741274305

Inductively Coupled Resonant Humidity Monitoring Exploiting Irreversible State Changes (en Inglés)

Sebastian Sauer (Autor) · Books On Demand · Tapa Blanda

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Reseña del libro "Inductively Coupled Resonant Humidity Monitoring Exploiting Irreversible State Changes (en Inglés)"

Due to the pervasive nature of water, water vapor, and moisture, there is a strong influence on the product quality of a multitude of goods (e.g., food, chemicals, electronics, ammunition, etc.). Humidity as environmental water vapor is therefore of strong interest for the purposes of measurement and control throughout the life cycle of goods not only in regard to their use but also during manufacture, transport, and storage. One of the key requirements of monitoring measurement systems is to determine critical threshold or accumulated dosage exposure conditions. Nowadays, RFID technology is established, and a large number of standardized and non-standardized solutions of differing complexity exist. Sensor-enhanced RFID tags not only provide unique identification information but also additional sensor information. Fulfilling a monitoring task on item level is challenging when there is no continuous supply of electric energy available, a common application constraint in sensor-enhanced RFID applications. Application constraints are impeded due to the low cost requirements on the RFID market. Wireless passive humidity monitoring sensor solutions, in which the exceedance of a humidity threshold leads to a permanent, preferably irreversible change of a sensor parameter are proposed in this study. In the presented solutions, this is either a lasting electric resistance (IREV-R sensor approach) or an electric capacitance change (IREV-C sensor approach). For this purpose a number of physico-chemical phenomena are technically exploited in different sensor arrangements. These are the deliquescence of salts as threshold detection mechanism, transport processes in porous media as well as chemical liquid phase sintering of metal nanoparticles. The sensor principles introduced effectively act as humidity threshold-activated relative humidity dosimeters. For use in combination with RFID tags single use, low-cost sensor solutions are favored. Inkjet print as a representative mass