A coupling mechanism with multidegree freedom for bidirectional multistage WPT system

J Wu, X Dai, R Gao, J Jiang - IEEE Transactions on power …, 2020 - ieeexplore.ieee.org
For the application of wireless power transfer (WPT) technology in robot arm, it is necessary
to provide flexible power supply for each arm device across multiple arm joints. However …

Reducing/Increasing Tuning Capacitor for Frequency-Modulated Spread-Spectrum Inductive Power Transfer

SA Chowdhury, S Kim, S Kim, J Moon… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In frequency-modulated spread-spectrum (FMSS) EMI suppression, the switching frequency
of the transmitter is continuously modulated across below and above the nominal frequency …

Communication-less receiver-side resonant frequency tuning for magnetically coupled wireless power transfer systems

K Matsuura, D Kobuchi, Y Narusue, H Morikawa - IEEE Access, 2023 - ieeexplore.ieee.org
Compensating for deviations in the resonant frequency is crucial in magnetic resonance
coupling wireless power transfer (WPT) systems. Thus, this study proposes a communication …

Automatic Tuning Resonant Capacitor to Fix the Bidirectional Detuning with ZVS in Wireless Power Transfer

SA Chowdhury, S Kim, S Kim, J Moon… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The power transfer efficiency of a wireless power transfer is degraded by mismatch between
LC resonant frequency and TX switching frequency. One of the drawbacks of conventional …

Resonant Tuning Rectifier for Parallel Compensated Receivers in Wireless Power Transfer

SA Chowdhury, S Kim, S Kim, I Cho… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Themismatch between switching frequency and receiver (RX) resonance occurs in
frequency-modulated spread-spectrum application. The conventional resonance …

Integrated Wired/Wireless Charging System for Electrical Vehicles with Resonant Frequency Tuning Function

F Wu, S Wu, Y Wei, PK Ray… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this letter, an integrated wired/wireless charging topology is proposed to expand the
adaptability of the electric vehicle charging stations and further improve the utilization of the …

Impedance matching to maximize induced current in repeater of resonant inductive coupling wireless power transfer systems

M Ishihara, K Umetani, E Hiraki - 2018 IEEE Energy …, 2018 - ieeexplore.ieee.org
Intermediate resonators (repeaters) of resonant inductive coupling wireless power transfer
systems can improve the transmission distance as well as the output power. However …

Improving robustness against variation in resonance frequency for repeater of resonant inductive coupling wireless power transfer systems

M Ishihara, S Ohata, K Fujiki… - 2018 20th European …, 2018 - ieeexplore.ieee.org
Intermediate resonators (repeaters) for resonant inductive coupling wireless power transfer
have been widely studied as a method of improving not only the transmission distance but …