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Reduction Algorithm for Gas Measurement Time in Wireless Sensor Network Applications with Limited Power
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- Authors
- Choi Nak-Jin, Yang Woo Seok, Lee Hyung-Kun, Moon Seung Eon, Kim Jongdae
- Issue Date
- 2014-06
- Citation
- Sensor Letters, v.12, no.6-7, pp.1093-1095
- ISSN
- 1546-198X
- Publisher
- American Scientific Publishers (ASP)
- Language
- English
- Type
- Journal Article
- Abstract
- Many researchers have studied methods to reduce the response and saturation times in gas sensors. In particular, it is very important to reduce the power consumption of a wireless sensor network (WSN) used under limited power constraints. We monitored the response curve of a sensor after switching on a device, and determined that the sensor has two saturation regions. The response curves were examined for various switch-off times and CO2 gas concentrations. Herein, we present a method for shortening the warm-up time for limited power applications by monitoring the first saturation region of the sensor response.