The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Cet article étudie le contrôle de la puissance de réception pour les systèmes de transfert de puissance inductif (IPT) multi-utilisateurs avec un réseau de bobines monofréquence. La tâche principale est d'optimiser les courants des bobines d'émission afin de minimiser la puissance d'entrée totale, sous réserve des puissances de réception minimales requises par les utilisateurs individuels. En raison du mécanisme de couplage compliqué entre toutes les bobines de transmission et les capteurs utilisateur, le problème d'optimisation est un programme quadratique à contrainte quadratique non convexe (QCQP), qui est analytiquement insoluble. Cet article résout le problème en appliquant la technique de relaxation semi-définie (SDR) et évalue les performances par des simulations électromagnétiques pleine onde. Nos résultats montrent qu'un réseau de bobines monofréquence est capable de contrôler la puissance pour divers scénarios multi-utilisateurs, en supposant que le nombre de bobines d'émission est supérieur ou égal au nombre d'utilisateurs et que les conditions de transmission pour les utilisateurs individuels ne sont pas corrélées.
Quang-Thang DUONG
Nara Institute of Science and Technology
Minoru OKADA
Nara Institute of Science and Technology
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Quang-Thang DUONG, Minoru OKADA, "Receive Power Control in Multiuser Inductive Power Transfer System Using Single-Frequency Coil Array" in IEICE TRANSACTIONS on Communications,
vol. E101-B, no. 10, pp. 2222-2229, October 2018, doi: 10.1587/transcom.2017EBP3387.
Abstract: This paper investigates receive power control for multiuser inductive power transfer (IPT) systems with a single-frequency coil array. The primary task is to optimize the transmit coil currents to minimize the total input power, subject to the minimum receive powers required by individual users. Due to the complicated coupling mechanism among all transmit coils and user pickups, the optimization problem is a non-convex quadratically constrained quadratic program (QCQP), which is analytically intractable. This paper solves the problem by applying the semidefinite relaxation (SDR) technique and evaluates the performance by full-wave electromagnetic simulations. Our results show that a single-frequency coil array is capable of power control for various multiuser scenarios, assuming that the number of transmit coils is greater than or equal to the number of users and the transmission conditions for individual users are uncorrelated.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2017EBP3387/_p
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@ARTICLE{e101-b_10_2222,
author={Quang-Thang DUONG, Minoru OKADA, },
journal={IEICE TRANSACTIONS on Communications},
title={Receive Power Control in Multiuser Inductive Power Transfer System Using Single-Frequency Coil Array},
year={2018},
volume={E101-B},
number={10},
pages={2222-2229},
abstract={This paper investigates receive power control for multiuser inductive power transfer (IPT) systems with a single-frequency coil array. The primary task is to optimize the transmit coil currents to minimize the total input power, subject to the minimum receive powers required by individual users. Due to the complicated coupling mechanism among all transmit coils and user pickups, the optimization problem is a non-convex quadratically constrained quadratic program (QCQP), which is analytically intractable. This paper solves the problem by applying the semidefinite relaxation (SDR) technique and evaluates the performance by full-wave electromagnetic simulations. Our results show that a single-frequency coil array is capable of power control for various multiuser scenarios, assuming that the number of transmit coils is greater than or equal to the number of users and the transmission conditions for individual users are uncorrelated.},
keywords={},
doi={10.1587/transcom.2017EBP3387},
ISSN={1745-1345},
month={October},}
Copier
TY - JOUR
TI - Receive Power Control in Multiuser Inductive Power Transfer System Using Single-Frequency Coil Array
T2 - IEICE TRANSACTIONS on Communications
SP - 2222
EP - 2229
AU - Quang-Thang DUONG
AU - Minoru OKADA
PY - 2018
DO - 10.1587/transcom.2017EBP3387
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E101-B
IS - 10
JA - IEICE TRANSACTIONS on Communications
Y1 - October 2018
AB - This paper investigates receive power control for multiuser inductive power transfer (IPT) systems with a single-frequency coil array. The primary task is to optimize the transmit coil currents to minimize the total input power, subject to the minimum receive powers required by individual users. Due to the complicated coupling mechanism among all transmit coils and user pickups, the optimization problem is a non-convex quadratically constrained quadratic program (QCQP), which is analytically intractable. This paper solves the problem by applying the semidefinite relaxation (SDR) technique and evaluates the performance by full-wave electromagnetic simulations. Our results show that a single-frequency coil array is capable of power control for various multiuser scenarios, assuming that the number of transmit coils is greater than or equal to the number of users and the transmission conditions for individual users are uncorrelated.
ER -