POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMITTING DEVICE, POWER-TRANSMITTING-SIDE DEVICE, AND NON-CONTACT POWER TRANSMISSION SYSTEM
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United States of America Patent
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Issued Date -
Mar 26, 2009
app pub date -
Sep 25, 2008
filing date -
Sep 26, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A power transmission control device provided in a non-contact power transmission system includes a power-transmitting-side control circuit that controls power transmission to a power receiving device, an actuator control circuit that controls the operation of an actuator that moves the position of a primary coil in an XY plane, a relative position detection signal generation circuit that generates a relative position detection signal relating to the primary coil and a secondary coil based on a coil end voltage or a coil current of the primary coil, and a primary coil position control circuit that causes the actuator control circuit to move the position of the primary coil in the XY plane so that the relative positional relationship between the primary coil and the secondary coil indicated by the relative position detection signal is within an allowable range.
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