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NONLINEAR SYSTEM IDENTIFICATION FOR OPTIMIZATION OF WIRELESS POWER TRANSFER

  • US 20140229132A1
  • Filed: 04/18/2014
  • Published: 08/14/2014
  • Est. Priority Date: 12/18/2012
  • Status: Active Grant
First Claim
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1. A method of identifying a waveform for a drive signal to a transmit coil in a wireless power transfer system (WPTS), said method comprising:

  • applying a pseudo-random signal to the transmit coil;

    while the pseudo-random signal is being applied to the transmit coil, recording one or more signals produced within the WPTS in response to the applied pseudo-random signal;

    by using the one or more recorded signals, generating a dynamic system model for some aspect of the WPTS; and

    conducting a search for an optimum waveform for the drive signal, wherein conducting the search comprises repeatedly using the generated dynamic system model to simulate a response to the drive signal while varying the waveform of the drive signal until the optimum waveform is found.

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