Abstract
This research proposal focuses on a multi-port wireless power transfer system that applies electric coupling to transfer energy from one or more transmitters to one or more receivers. The fundamental research question is how novel optimization algorithms can keep the operating conditions of this capacitive system with an unpredictable electric coupling optimized, depending on the chosen optimization goal. This includes determining the suitable models and fundamental relationships between the system characteristics (including its unpredictable coupling) and the different optimization gains. An important aspect is the experimental validation of the models via a low power setup, containing a versatile driver in order to allow easy frequency adaptation. More specifically, the contributions of this project will be the following: (i) Development of a model describing quantitatively the fundamental relationships between varying couplings and the (relative) variation of the impedance compensation networks. (ii) Modelling the so called "frequency bifurcation phenomenon" for multi-port systems. (iii) Determining and applying optimization algorithms for different scenarios, i.e. applying impedance and frequency adaptations based on a feedback procedure in order to keep the multi-port system in its (near-to) optimal operating condition, and finally (iv) validation of the aforementioned models and algorithms by simulation and experiment.
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