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Enhanced Foreign Object Detection with Coil Current Sensing in Wireless Power Transfer Systems
Enhanced Foreign Object Detection with Coil Current Sensing in Wireless Power Transfer Systems
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机译:无线电源传输系统中具有线圈电流感应功能的增强型异物检测
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摘要
Embodiments described herein provide foreign object detection based on coil current sensing. The transmitter power loss is computed directly based on the coil current, in conjunction with, or in place of the conventional computation based on transmitter input current. The enhanced precision of the computer power loss can be used to more accurately detect a foreign object near the transmitter coil during a wireless power transfer.
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