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Authors: Pablo Aqueveque ; Marcial Saez and Rodrigo Rosales

Affiliation: University of Concepcion, Chile

Keyword(s): Efficiency, Implanted Devices, Inductive power Link, Wireless Power Transmission.

Related Ontology Subjects/Areas/Topics: Biomechanical Devices ; Biomedical Engineering ; Biomedical Equipment ; Biomedical Instruments and Devices ; Biotelemetry ; Implantable Electronics ; Wireless Systems

Abstract: This article presents the analysis of the efficiency of two control systems used to regulate the DC voltage in an implanted device fed by an inductive power link. Both control systems work outside the body, eliminating the voltage regulator in the implanted circuit (inside the body). These ways of voltage control reduce the power and heat dissipated inside the body. The first control system involves regulation of power supply voltage to the high frequency amplifier. The second control system adjusts the frequency of the inductive link. A laboratory prototype was built and experimental results were obtained. It is shown that for a range of distance between 0 mm and 11.8 mm the efficiency of the system is greater when using amplitude voltage control. Above that distance, the efficiency of frequency control is better. A difference of 20% was obtained in the optimal points.

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Paper citation in several formats:
Aqueveque, P.; Saez, M. and Rosales, R. (2012). ENERGY EFFICIENCY EVALUATION OF VOLTAGE CONTROL AND FREQUENCY CONTROL OVER AN INDUCTIVE POWER LINK FOR BIOMEDICAL IMPLANTS. In Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2012) - BIODEVICES; ISBN 978-989-8425-91-1; ISSN 2184-4305, SciTePress, pages 359-363. DOI: 10.5220/0003792403590363

@conference{biodevices12,
author={Pablo Aqueveque. and Marcial Saez. and Rodrigo Rosales.},
title={ENERGY EFFICIENCY EVALUATION OF VOLTAGE CONTROL AND FREQUENCY CONTROL OVER AN INDUCTIVE POWER LINK FOR BIOMEDICAL IMPLANTS},
booktitle={Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2012) - BIODEVICES},
year={2012},
pages={359-363},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003792403590363},
isbn={978-989-8425-91-1},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2012) - BIODEVICES
TI - ENERGY EFFICIENCY EVALUATION OF VOLTAGE CONTROL AND FREQUENCY CONTROL OVER AN INDUCTIVE POWER LINK FOR BIOMEDICAL IMPLANTS
SN - 978-989-8425-91-1
IS - 2184-4305
AU - Aqueveque, P.
AU - Saez, M.
AU - Rosales, R.
PY - 2012
SP - 359
EP - 363
DO - 10.5220/0003792403590363
PB - SciTePress

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