TY - GEN
T1 - Inductive 3-coil wireless power transfer improved by T-type impedance matching for implanted biomedical IC
AU - Chang, Chung Kai
AU - Yang, Chin Lung
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/6/29
Y1 - 2015/6/29
N2 - This paper applies the printed spiral coil (PSC) using T-type impedance matching in wireless power transfer (WPT) technology for analysis of biomedical implant devices. To reduce the loading effect in the implant devices, three-coil WPT systems are preferred rather than two-coil WPT systems. Two layers comprising of printed spiral resonator coils and load loops on each side of FR4 is designed and fabricated on the side of implantable devices. PSC for biomedical implant devices can be optimized by adjusting geometric parameters. The implanting coil occupies an area of 5×5 mm2 fabricated on a FR4 board. The geometric parameters are investigated to find out PSC optimal values of the impedance matching for the load coil. The power transfer efficiency of the simulated and measured results are compared with for each case. After experiments, compared with other same type of WPT devices, the maximum power is transmitted to the load side to achieve the best efficiency. Finally, at distance of 5 mm, the measured three-coil architecture achieved more than maximum transmission efficiency increases of 83% compared to the equivalent two-coil system.
AB - This paper applies the printed spiral coil (PSC) using T-type impedance matching in wireless power transfer (WPT) technology for analysis of biomedical implant devices. To reduce the loading effect in the implant devices, three-coil WPT systems are preferred rather than two-coil WPT systems. Two layers comprising of printed spiral resonator coils and load loops on each side of FR4 is designed and fabricated on the side of implantable devices. PSC for biomedical implant devices can be optimized by adjusting geometric parameters. The implanting coil occupies an area of 5×5 mm2 fabricated on a FR4 board. The geometric parameters are investigated to find out PSC optimal values of the impedance matching for the load coil. The power transfer efficiency of the simulated and measured results are compared with for each case. After experiments, compared with other same type of WPT devices, the maximum power is transmitted to the load side to achieve the best efficiency. Finally, at distance of 5 mm, the measured three-coil architecture achieved more than maximum transmission efficiency increases of 83% compared to the equivalent two-coil system.
UR - https://www.scopus.com/pages/publications/84942906844
UR - https://www.scopus.com/pages/publications/84942906844#tab=citedBy
U2 - 10.1109/WPT.2015.7140147
DO - 10.1109/WPT.2015.7140147
M3 - Conference contribution
AN - SCOPUS:84942906844
T3 - 2015 IEEE Wireless Power Transfer Conference, WPTC 2015
BT - 2015 IEEE Wireless Power Transfer Conference, WPTC 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2015 IEEE Wireless Power Transfer Conference, WPTC 2015
Y2 - 13 May 2015 through 15 May 2015
ER -