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Pulse Density Modulation Based Mutual Inductance and Load Resistance Identification Method for Wireless Power Transfer System

IEEE transactions on power electronics, 2022
In wireless power transfer (WPT) system, the information of mutual inductance and load resistance is usually needed for the front-end to regulate power and efficiency.
Ruimin Dai   +4 more
semanticscholar   +1 more source

Mutual Inductance Identification of IPT System Based on Soft-Start Process

IEEE transactions on power electronics, 2022
Accurate estimation of mutual inductance in wireless power transfer (WPT) system is a prerequisite for accurate identification of load parameters, which is critical in system constant output and efficiency tracking control.
Lei Wang   +6 more
semanticscholar   +1 more source

Design and Optimization of Asymmetric and Reverse Series Coil Structure for Obtaining Quasi-Constant Mutual Inductance in Dynamic Wireless Charging System for Electric Vehicles

IEEE Transactions on Vehicular Technology, 2022
Lateral misalignment along the driving direction may achieve half the length of a transmission coil in a dynamic wireless charging system for electric vehicles, which is called limit misalignment.
Zhongqi Li   +4 more
semanticscholar   +1 more source

Inductive Power Transfer System With Maximum Efficiency Tracking Control and Real-Time Mutual Inductance Estimation

IEEE transactions on power electronics, 2022
To design simple and efficient inductive power transfer (IPT) systems, a minimum number of conversion stages and an effective maximum efficiency tracking (MET) are the primary design criteria. The MET control uses a fast mutual inductance estimation (MIE)
Fei Xu, S. Wong, C. Tse
semanticscholar   +1 more source

A New Analytical Study on Mutual Inductance Calculations for Wireless Power Transfer Using Magnetic Vector Potential

IEEE transactions on magnetics, 2022
This article presents a new analytical approach for the calculation of mutual inductance based on magnetic vector potential (MVP). To demonstrate the proposed mutual inductance calculation method, planar spiral coils of polygonal shape with an arbitrary ...
Neslihan Pirinççi, Huseyin Altun
semanticscholar   +1 more source

Mutual inductance of noncoaxial circular coils with constant current density [PDF]

open access: yesIEEE Transactions on Magnetics, 1997
-The purpose of this paper is to determine the mutual inductance between two noncoaxial circular coils. In many cases, such as coil guns or tubular linear motors, one of them is fixed while the other one is moving, and if not supported, its axis may not ...
L Birenbaum
exaly   +1 more source

Fast and Precise Calculation of Mutual Inductance for Electrodynamic Suspension: Methodology and Validation

IEEE transactions on industrial electronics (1982. Print), 2021
The mutual inductance is the core parameter of electrodynamic suspension (EDS) as it couples the onboard coils and ground coils to realize the stable suspension.
Zhen-Hua Su   +5 more
semanticscholar   +1 more source

A Fast Front-End Monitoring Method for Mutual Inductance and Load Movement in SS-Compensated Wireless Power Transfer Systems Based on Harmonics Extraction

IEEE transactions on power electronics
We propose a fast and accurate online front-end monitoring method for mutual inductance and load movement in series-series compensated wireless power transfer (WPT) systems.
Junming Zeng   +6 more
semanticscholar   +1 more source

Mutual Inductance and Load Identification of Wireless Power Transfer Systems Combining Data-Driven and Equivalent Circuit Models

IEEE Journal of Emerging and Selected Topics in Power Electronics
The variations of mutual inductance and load conditions affect the performance of wireless power transfer (WPT) systems. Identification of these parameters will be helpful for system control and condition monitoring.
Xu Wang   +7 more
semanticscholar   +1 more source

Communication-Free Power Control Algorithm for Drone Wireless In-Flight Charging Under Dual-Disturbance of Mutual Inductance and Load

IEEE Transactions on Industrial Informatics
Though the wireless in-flight charging is an ideal way for the energy supply of drones, it also faces the practical challenges, namely dual-disturbance of continuous fluctuation of mutual inductance and battery load variation, changed expected charging ...
Yuqing Gu   +3 more
semanticscholar   +1 more source

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