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A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring

A self-sustained multi-sensor platform for indoor environmental monitoring is proposed in this paper. To reduce the cost and power consumption of the sensing platform, in the developed platform, organic materials of PEDOT:PSS and PEDOT:PSS/EB-PANI are used as the sensing films for humidity and CO(2)...

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Autores principales: Wu, Chun-Chang, Chuang, Wen-Yu, Wu, Ching-Da, Su, Yu-Cheng, Huang, Yung-Yang, Huang, Yang-Jing, Peng, Sheng-Yu, Yu, Shih-An, Lin, Chih-Ting, Lu, Shey-Shi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5421675/
https://www.ncbi.nlm.nih.gov/pubmed/28353680
http://dx.doi.org/10.3390/s17040715
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author Wu, Chun-Chang
Chuang, Wen-Yu
Wu, Ching-Da
Su, Yu-Cheng
Huang, Yung-Yang
Huang, Yang-Jing
Peng, Sheng-Yu
Yu, Shih-An
Lin, Chih-Ting
Lu, Shey-Shi
author_facet Wu, Chun-Chang
Chuang, Wen-Yu
Wu, Ching-Da
Su, Yu-Cheng
Huang, Yung-Yang
Huang, Yang-Jing
Peng, Sheng-Yu
Yu, Shih-An
Lin, Chih-Ting
Lu, Shey-Shi
author_sort Wu, Chun-Chang
collection PubMed
description A self-sustained multi-sensor platform for indoor environmental monitoring is proposed in this paper. To reduce the cost and power consumption of the sensing platform, in the developed platform, organic materials of PEDOT:PSS and PEDOT:PSS/EB-PANI are used as the sensing films for humidity and CO(2) detection, respectively. Different from traditional gas sensors, these organic sensing films can operate at room temperature without heating processes or infrared transceivers so that the power consumption of the developed humidity and the CO(2) sensors can be as low as 10 μW and 5 μW, respectively. To cooperate with these low-power sensors, a Complementary Metal-Oxide-Semiconductor (CMOS) system-on-chip (SoC) is designed to amplify and to read out multiple sensor signals with low power consumption. The developed SoC includes an analog-front-end interface circuit (AFE), an analog-to-digital convertor (ADC), a digital controller and a power management unit (PMU). Scheduled by the digital controller, the sensing circuits are power gated with a small duty-cycle to reduce the average power consumption to 3.2 μW. The designed PMU converts the power scavenged from a dye sensitized solar cell (DSSC) module into required supply voltages for SoC circuits operation under typical indoor illuminance conditions. To our knowledge, this is the first multiple environmental parameters (Temperature/CO(2)/Humidity) sensing platform that demonstrates a true self-powering functionality for long-term operations.
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spelling pubmed-54216752017-05-12 A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring Wu, Chun-Chang Chuang, Wen-Yu Wu, Ching-Da Su, Yu-Cheng Huang, Yung-Yang Huang, Yang-Jing Peng, Sheng-Yu Yu, Shih-An Lin, Chih-Ting Lu, Shey-Shi Sensors (Basel) Article A self-sustained multi-sensor platform for indoor environmental monitoring is proposed in this paper. To reduce the cost and power consumption of the sensing platform, in the developed platform, organic materials of PEDOT:PSS and PEDOT:PSS/EB-PANI are used as the sensing films for humidity and CO(2) detection, respectively. Different from traditional gas sensors, these organic sensing films can operate at room temperature without heating processes or infrared transceivers so that the power consumption of the developed humidity and the CO(2) sensors can be as low as 10 μW and 5 μW, respectively. To cooperate with these low-power sensors, a Complementary Metal-Oxide-Semiconductor (CMOS) system-on-chip (SoC) is designed to amplify and to read out multiple sensor signals with low power consumption. The developed SoC includes an analog-front-end interface circuit (AFE), an analog-to-digital convertor (ADC), a digital controller and a power management unit (PMU). Scheduled by the digital controller, the sensing circuits are power gated with a small duty-cycle to reduce the average power consumption to 3.2 μW. The designed PMU converts the power scavenged from a dye sensitized solar cell (DSSC) module into required supply voltages for SoC circuits operation under typical indoor illuminance conditions. To our knowledge, this is the first multiple environmental parameters (Temperature/CO(2)/Humidity) sensing platform that demonstrates a true self-powering functionality for long-term operations. MDPI 2017-03-29 /pmc/articles/PMC5421675/ /pubmed/28353680 http://dx.doi.org/10.3390/s17040715 Text en © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wu, Chun-Chang
Chuang, Wen-Yu
Wu, Ching-Da
Su, Yu-Cheng
Huang, Yung-Yang
Huang, Yang-Jing
Peng, Sheng-Yu
Yu, Shih-An
Lin, Chih-Ting
Lu, Shey-Shi
A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring
title A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring
title_full A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring
title_fullStr A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring
title_full_unstemmed A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring
title_short A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring
title_sort self-sustained wireless multi-sensor platform integrated with printable organic sensors for indoor environmental monitoring
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5421675/
https://www.ncbi.nlm.nih.gov/pubmed/28353680
http://dx.doi.org/10.3390/s17040715
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