Title :
Surrogate-based optimization of efficient resonant wireless power transfer links using conjugate image impedances
Author :
Dionigi, Marco ; Mongiardo, Mauro ; Koziel, Slawomir
Author_Institution :
Dept. of Eng., Univ. of Perugia, Perugia, Italy
Abstract :
A methodology for improving efficiency of wireless power transfer (WPT) systems, derived from the concept of conjugate image impedances, is presented. For accuracy reasons, enhancement of the system efficiency through adjustment of its geometry parameters is based on full-wave electromagnetic (EM) simulation models. Fast WPT system design is realized by means of surrogate-based optimization exploiting auxiliary equivalent network model, frequency scaling and response correction techniques.
Keywords :
geometry; inductive power transmission; optimisation; EM simulation models; WPT system design; auxiliary equivalent network model; conjugate image impedances; efficient resonant wireless power transfer links; frequency scaling; full-wave electromagnetic simulation models; response correction techniques; surrogate-based optimization; Coils; Impedance; Microwave imaging; Microwave theory and techniques; Optimization; Ports (Computers); Wireless communication; Wireless power transmission; design optimization; surrogate-based optimization; transmission efficiency;
Conference_Titel :
Microwave Conference (EuMC), 2014 44th European
Conference_Location :
Rome
DOI :
10.1109/EuMC.2014.6986462