NONLINEAR SYSTEM IDENTIFICATION FOR OPTIMIZATION OF WIRELESS POWER TRANSFER
First Claim
1. A method of detecting whether a receiver coil is near 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
using the generated dynamic system model in combination with stored training data to determine whether an object having characteristics distinguishing the object as a receiver coil is near the transmit coil.
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Accused Products
Abstract
A method of detecting whether a receiver coil is near a transmit coil in a wireless power transfer system (WPTS), the method involving: 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 using the generated dynamic system model in combination with stored training data to determine whether an object having characteristics distinguishing the object as a receiver coil is near the transmit coil.
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Citations
34 Claims
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1. A method of detecting whether a receiver coil is near a transmit coil in a wireless power transfer system (WPTS), said method comprising:
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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 using the generated dynamic system model in combination with stored training data to determine whether an object having characteristics distinguishing the object as a receiver coil is near the transmit coil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A wireless power transfer system comprising:
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a transmit coil; a power transmitter circuit connected to the transmit coil; a sensor circuit connected to the transmit coil; and a controller for controlling the power transmitter circuit and the sensor circuit, wherein said controller includes a memory for storing training data and a processor system programmed to; cause the power transmitter circuit to apply a pseudo-random signal to the transmit coil; while the pseudo-random signal is being applied to the transmit coil, cause the sensor circuit to record one or more signals produced within the WPTS in response to the applied pseudo-random signal; by using the one or more recorded signals, generate a dynamic system model for some aspect of the WPTS; and use the generated dynamic system model in combination with the stored training data to determine whether an object having characteristics distinguishing the object as a receiver coil is near the transmit coil. - View Dependent Claims (30, 31, 32, 33)
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34-56. -56. (canceled)
Specification