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 CO2 d...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2017-03-01
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| Series: | Sensors |
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| Online Access: | http://www.mdpi.com/1424-8220/17/4/715 |
| _version_ | 1811184908221022208 |
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| author | Chun-Chang Wu Wen-Yu Chuang Ching-Da Wu Yu-Cheng Su Yung-Yang Huang Yang-Jing Huang Sheng-Yu Peng Shih-An Yu Chih-Ting Lin Shey-Shi Lu |
| author_facet | Chun-Chang Wu Wen-Yu Chuang Ching-Da Wu Yu-Cheng Su Yung-Yang Huang Yang-Jing Huang Sheng-Yu Peng Shih-An Yu Chih-Ting Lin Shey-Shi Lu |
| author_sort | Chun-Chang Wu |
| collection | DOAJ |
| 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 CO2 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 CO2 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/CO2/Humidity) sensing platform that demonstrates a true self-powering functionality for long-term operations. |
| first_indexed | 2024-04-11T13:21:33Z |
| format | Article |
| id | doaj.art-703043974e704642a9151bf45a6f11f2 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T13:21:33Z |
| publishDate | 2017-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-703043974e704642a9151bf45a6f11f22022-12-22T04:22:12ZengMDPI AGSensors1424-82202017-03-0117471510.3390/s17040715s17040715A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental MonitoringChun-Chang Wu0Wen-Yu Chuang1Ching-Da Wu2Yu-Cheng Su3Yung-Yang Huang4Yang-Jing Huang5Sheng-Yu Peng6Shih-An Yu7Chih-Ting Lin8Shey-Shi Lu9Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanGraduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanGraduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanGraduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanGraduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanDepartment of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 10617, TaiwanDepartment of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 10617, TaiwanGraduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanGraduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanGraduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, TaiwanA 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 CO2 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 CO2 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/CO2/Humidity) sensing platform that demonstrates a true self-powering functionality for long-term operations.http://www.mdpi.com/1424-8220/17/4/715self-sustainedprintable organic sensorssensing platformSoCpower-gating |
| spellingShingle | Chun-Chang Wu Wen-Yu Chuang Ching-Da Wu Yu-Cheng Su Yung-Yang Huang Yang-Jing Huang Sheng-Yu Peng Shih-An Yu Chih-Ting Lin Shey-Shi Lu A Self-Sustained Wireless Multi-Sensor Platform Integrated with Printable Organic Sensors for Indoor Environmental Monitoring Sensors self-sustained printable organic sensors sensing platform SoC power-gating |
| 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 | self-sustained printable organic sensors sensing platform SoC power-gating |
| url | http://www.mdpi.com/1424-8220/17/4/715 |
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