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Kinetic Energy Harvesting for Wearable Medical Sensors

Research output: Contribution to journalArticleScientificpeer-review

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Kinetic Energy Harvesting for Wearable Medical Sensors. / Gljušćić, Petar; Zelenika, Saša; Blažević, David; Kamenar, Ervin.

In: Sensors, Vol. 19, No. 4922, 12.11.2019.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Gljušćić, P, Zelenika, S, Blažević, D & Kamenar, E 2019, 'Kinetic Energy Harvesting for Wearable Medical Sensors', Sensors, vol. 19, no. 4922. https://doi.org/10.3390/s19224922

APA

Gljušćić, P., Zelenika, S., Blažević, D., & Kamenar, E. (2019). Kinetic Energy Harvesting for Wearable Medical Sensors. Sensors, 19(4922). https://doi.org/10.3390/s19224922

Vancouver

Gljušćić P, Zelenika S, Blažević D, Kamenar E. Kinetic Energy Harvesting for Wearable Medical Sensors. Sensors. 2019 Nov 12;19(4922). https://doi.org/10.3390/s19224922

Author

Gljušćić, Petar ; Zelenika, Saša ; Blažević, David ; Kamenar, Ervin. / Kinetic Energy Harvesting for Wearable Medical Sensors. In: Sensors. 2019 ; Vol. 19, No. 4922.

Bibtex - Download

@article{bef887c4a92b47f28a85ab69976285e7,
title = "Kinetic Energy Harvesting for Wearable Medical Sensors",
abstract = "The process of collecting low-level kinetic energy, which is present in all moving systems, by using energy harvesting principles, is of particular interest in wearable technology, especially in ultra-low power devices for medical applications. In fact, the replacement of batteries with innovative piezoelectric energy harvesting devices can result in mass and size reduction, favoring the miniaturization of wearable devices, as well as drastically increasing their autonomy. The aim of this work is to assess the power requirements of wearable sensors for medical applications, and address the intrinsic problem of piezoelectric kinetic energy harvesting devices that can be used to power them; namely, the narrow area of optimal operation around the eigenfrequencies of a specific device. This is achieved by using complex numerical models comprising modal, harmonic and transient analyses. In order to overcome the random nature of excitations generated by human motion, novel excitation modalities are investigated with the goal of increasing the specific power outputs. A solution embracing an optimized harvester geometry and relying on an excitation mechanism suitable for wearable medical sensors is hence proposed. The electrical circuitry required for efficient energy management is considered as well.",
author = "Petar Gljušćić and Saša Zelenika and David Blažević and Ervin Kamenar",
year = "2019",
month = "11",
day = "12",
doi = "10.3390/s19224922",
language = "English",
volume = "19",
journal = "Sensors",
issn = "1424-8220",
publisher = "MDPI",
number = "4922",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Kinetic Energy Harvesting for Wearable Medical Sensors

AU - Gljušćić, Petar

AU - Zelenika, Saša

AU - Blažević, David

AU - Kamenar, Ervin

PY - 2019/11/12

Y1 - 2019/11/12

N2 - The process of collecting low-level kinetic energy, which is present in all moving systems, by using energy harvesting principles, is of particular interest in wearable technology, especially in ultra-low power devices for medical applications. In fact, the replacement of batteries with innovative piezoelectric energy harvesting devices can result in mass and size reduction, favoring the miniaturization of wearable devices, as well as drastically increasing their autonomy. The aim of this work is to assess the power requirements of wearable sensors for medical applications, and address the intrinsic problem of piezoelectric kinetic energy harvesting devices that can be used to power them; namely, the narrow area of optimal operation around the eigenfrequencies of a specific device. This is achieved by using complex numerical models comprising modal, harmonic and transient analyses. In order to overcome the random nature of excitations generated by human motion, novel excitation modalities are investigated with the goal of increasing the specific power outputs. A solution embracing an optimized harvester geometry and relying on an excitation mechanism suitable for wearable medical sensors is hence proposed. The electrical circuitry required for efficient energy management is considered as well.

AB - The process of collecting low-level kinetic energy, which is present in all moving systems, by using energy harvesting principles, is of particular interest in wearable technology, especially in ultra-low power devices for medical applications. In fact, the replacement of batteries with innovative piezoelectric energy harvesting devices can result in mass and size reduction, favoring the miniaturization of wearable devices, as well as drastically increasing their autonomy. The aim of this work is to assess the power requirements of wearable sensors for medical applications, and address the intrinsic problem of piezoelectric kinetic energy harvesting devices that can be used to power them; namely, the narrow area of optimal operation around the eigenfrequencies of a specific device. This is achieved by using complex numerical models comprising modal, harmonic and transient analyses. In order to overcome the random nature of excitations generated by human motion, novel excitation modalities are investigated with the goal of increasing the specific power outputs. A solution embracing an optimized harvester geometry and relying on an excitation mechanism suitable for wearable medical sensors is hence proposed. The electrical circuitry required for efficient energy management is considered as well.

U2 - 10.3390/s19224922

DO - 10.3390/s19224922

M3 - Article

VL - 19

JO - Sensors

JF - Sensors

SN - 1424-8220

IS - 4922

ER -