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Article

Autonomous Active Tag Using Energy Harvesting Strategies

B105 Electronic Systems Lab, Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, Avenida Complutense 30, 28040 Madrid, Spain
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Appl. Sci. 2020, 10(15), 5260; https://doi.org/10.3390/app10155260
Received: 31 May 2020 / Revised: 22 July 2020 / Accepted: 28 July 2020 / Published: 30 July 2020
In this work, we present autonomous active tags. The power sources of these active tags employ energy harvesting techniques, specifically, solar and mechanical techniques. The integration of these techniques, and the storage of the energy obtained with a supercapacitor, converts the active tag into an autonomous device. These tags work in a low power mode in which they dynamically adjust their radio communication capabilities. Such a configuration depends on the application. We tested the tags in a real environment with testing parameters to check the modules, meaning more wake-ups over a longer time. Under these conditions, the tags gather enough energy to autonomously maintain standby operation on a sunny day for ten hours. In conclusion, this autonomous active tag is a demonstration that the integration of energy harvesting techniques, supercapacitor storage and the management of low power modes for transceivers, microcontrollers, and memories creates a device without energy dependencies that only depends on the requirements, and can be used in many applications related to, for instance, smart homes, smart cities, smart cars, and connected forests. View Full-Text
Keywords: autonomous; energy harvesting; active tag; supercapacitor; solar energy; mechanical energy; low-power consumption autonomous; energy harvesting; active tag; supercapacitor; solar energy; mechanical energy; low-power consumption
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MDPI and ACS Style

Carretero, A.; Real, S.; Araujo, A. Autonomous Active Tag Using Energy Harvesting Strategies. Appl. Sci. 2020, 10, 5260. https://doi.org/10.3390/app10155260

AMA Style

Carretero A, Real S, Araujo A. Autonomous Active Tag Using Energy Harvesting Strategies. Applied Sciences. 2020; 10(15):5260. https://doi.org/10.3390/app10155260

Chicago/Turabian Style

Carretero, Ana, Santiago Real, and Alvaro Araujo. 2020. "Autonomous Active Tag Using Energy Harvesting Strategies" Applied Sciences 10, no. 15: 5260. https://doi.org/10.3390/app10155260

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