Power Transfer

Near Field Wireless Power Transfer: Circuits and Application

Shehab Ahmed, Professor, Electrical and Computer Engineering

Apr 19, 12:00 - 13:00

KAUST

Near Field wireless Power Transfer

Recently, wireless power transfer has been used in mobile phones, electric vehicles, medical implants, wireless sensor networks, unmanned aerial vehicles, and so on. In this seminar, we will walk through circuit theory and simulations that illustrate the nature and constraints of the technology. We will also address contemporary topics related to application of wireless power transfer in electric vehicle applications.

Determination of maximum power transfer conditions of bimorph piezoelectric energy harvesters

1 min read · Fri, Apr 27 2012

Circuits Power Transfer

Mahmoud Al Ahmad, et al., "Determination of maximum power transfer conditions of bimorph piezoelectric energy harvesters." Journal of Applied Physics 111 (10), 2012, 102812 In this paper, a method to find the maximum power transfer conditions in bimorph piezoelectric-based harvesters is proposed. Explicitly, we derive a closed form expression that relates the load resistance to the mechanical parameters describing the bimorph based on the electromechanical, single degree of freedom, analogy. Further, by taking into account the intrinsic capacitance of the piezoelectric harvester, a more