Date of Award
Thesis - SCU Access Only
Santa Clara : Santa Clara University, 2020.
Current methods of wireless power transfer restrict mobility. Our project aims to create a receiving platform, within a quasi-static resonance system, that enables a device to be charged. The objectives for our platform revolve around high power conversion efficiency, a small size constraint, and compatibility with widely-used charging interfaces (USB). The project plan for the design of this platform includes first completing necessary research into current RF-to-DC conversion strategies to help guide our design decisions for the component blocks of the platform, then to model the component blocks using simulation software. The initial plan also included the fabrication and testing of a physical prototype, but the COVID-19 pandemic changed our plan and forced us to move to full virtual simulation and testing. Our final receiver can be broken into four basic component blocks: the band-pass filter, matching network, rectifier, and voltage regulator. The band-pass filter filters out unwanted frequencies, the matching network minimizes power loss to reflection, the rectifier converts AC to DC, and the voltage regulator ensures the voltage output does not damage the device being charged. To best simulate real world conditions, a Monte Carlo simulation with physical tolerances as well as a noise analysis was conducted. The printed circuit board (PCB) design was also created, and future work would involve fabrication and testing using the PCB.
Gebrai, Simon and Bao, Daniel, "Wireless Power Receiving Platform" (2020). Electrical and Computer Engineering Senior Theses. 55.
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