A wireless energy transfer platform, integrated at the bedside

Annu Int Conf IEEE Eng Med Biol Soc. 2013:2013:1458-61. doi: 10.1109/EMBC.2013.6609786.

Abstract

This paper presents the design of a wireless energy transfer platform, integrated at the bedside. The system contains a matrix of identical inductive power transmitters, which are optimised to provide power to a wearable sensor network, with the purpose of wirelessly recording vital signals over an extended period of time. The magnetic link, operates at a transfer frequency of 6.78MHz and is able to transfer a power of 3.3mW to the remote side at an inter-coil distance of 100mm. The total efficiency of the power link is 26%. Moreover, the platform is able to dynamically determine the position of freely moving sensor nodes and selectively induce a magnetic field in the area where the sensor nodes are positioned. As a result, the patient will not be subjected to unnecessary radiation and the specific absorption rate standards are met more easily.

MeSH terms

  • Algorithms
  • Computer Simulation
  • Electric Power Supplies*
  • Electromagnetic Radiation
  • Energy Transfer
  • Equipment Design
  • Humans
  • Magnetic Fields
  • Magnetics
  • Monitoring, Physiologic / instrumentation*
  • Monitoring, Physiologic / methods
  • Radio Waves
  • Software
  • Wireless Technology*