Safe Distributed Control of Wireless Power Transfer Networks


YILDIRIM K. S. , CARLI R., SCHENATO L.

IEEE INTERNET OF THINGS JOURNAL, cilt.6, ss.1267-1275, 2019

  • Cilt numarası: 6 Konu: 1
  • Basım Tarihi: 2019
  • Doi Numarası: 10.1109/jiot.2018.2813420
  • Dergi Adı: IEEE INTERNET OF THINGS JOURNAL
  • Sayfa Sayısı: ss.1267-1275

Özet

Wireless power transfer networks (WPTNs) are composed of dedicated energy transmitters (ETs) that charge energy receivers (ERs) via radio frequency waves. A safe-charging WPTN should keep electromagnetic radiation below predetermined limits meanwhile maximizing the transmitted power. In this paper, we consider this requirement as an optimization problem: the maximization of harvested power by ERs subject to the electro-magnetic safety constraints. In order to provide an approximated solution to this problem, we introduce a dual ascent-like distributed charging algorithm that enables ETs to work without global information and satisfy safety constraints asymptotically. We provide an in-depth theoretical analysis of our algorithm which is supported by numerical simulations.