In serial-series wireless energy transfer system via coupled magnetic resonances systems, the change of distance between the transmitter and receiver coils is one of the most important problems affecting the input impedance of the system and thus the power transfer. Simulations were conducted to demonstrate that our LSTM-based approach achieves by up to 162.3% higher charging efficiency compared with state-of-the-art vehicle motion control systems focused on keeping an EV in the center of lane. The LSTM model is used to make a prediction of the lateral position where the electromagnetic strength is expected to be maximal and to control the EV motion accordingly to optimize charging efficiency. The dynamics of the electromagnetic field generated by the transmitter coils of a DWC system are modeled based on a multi-layer LSTM. This paper presents the first LSTM-based vehicle motion control system for DWC designed to maximize charging efficiency. However, due to significant power loss caused by wireless power transfer, improving charging efficiency remains as a major challenge for DWC systems. It is gaining significant momentum as it can potentially address the range limitation issue for EVs. The control section gives the common charging control techniques and focuses on the constant current-constant voltage (CC-CV) approach, which is usually used for EV battery chargers.ĭynamic wireless charging (DWC) is an emerging technology that allows electric vehicles (EVs) to be wirelessly charged while in motion. In addition, suggested methods in the literature for protection from exposure are discussed. The published guidelines and reports that have studied the effects of WPT systems on human health are also given. In particular, the coil design, operating frequency selection, efficiency values and the preferred compensation topologies in the literature have been discussed. A comprehensive review has been performed on the history of the evolution, working principles and phenomena, design considerations, control methods and health issues of IPT systems, especially those based on EV charging. This paper focuses on the Inductive Power Transfer (IPT) method, which is based on the magnetic coupling of coils exchanging power from a stationary primary unit to a secondary system onboard the EV. Considering these advantages, charging electric vehicle (EV) batteries using the WPT method can be an important alternative to plug-in charging systems. Nowadays, Wireless Power Transfer (WPT) technology is receiving more attention in the automotive sector, introducing a safe, flexible and promising alternative to the standard battery chargers.
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December 2022
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