Vehicle misalignment measurement and compensation in dynamic wireless charging applications

An apparatus comprising:

• a plurality of detection coils that each generate a corresponding plurality of position detection signals, wherein the plurality of position detection signals are generated from mutual inductance between the plurality of detection coils and an energized field-generating detection coil;
• a transmitter power coil disposed in a road that generates a charging inductance;
• a processor that executes code to perform:
• receiving a plurality of position detection signals from a corresponding plurality of detection coils;
• generating detection information from the position detection signals;
• calculating a lateral misalignment (LTM) along a lateral Y axis from the detection information, wherein the LTM comprises an LTM distance and an LTM direction;
• calculating a vehicle speed along a longitudinal X axis from the detection information;
• and
• energizing the transmitter power coil and controlling the power transfer based on the vehicle speed and the LTM.

An apparatus comprising:

• a plurality of detection coils that each generate a corresponding plurality of position detection signals, wherein the plurality of position detection signals are generated from mutual inductance between the plurality of detection coils and an energized field-generating detection coil;
• a transmitter power coil disposed in a road that generates a charging inductance;
• a Wireless Power Transfer (WPT) controller that energizes the transmitter power coil;
• a processor that executes code to perform:
• receiving a plurality of position detection signals from a corresponding plurality of detection coils;
• generating detection information from the position detection signals;
• calculating a lateral misalignment (LTM) along a lateral Y axis from the detection information, wherein the LTM comprises an LTM distance and an LTM direction;
• calculating a vehicle speed along a longitudinal X axis from the detection information;
• and
• energizing the transmitter power coil and controlling the power transfer via the WPT controller based on the vehicle speed and the LTM.