Four motor propulsion system and yaw vectoring control circuit
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United States of America Patent
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app pub date -
Apr 22, 2016
filing date -
Mar 10, 2014
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Abandoned
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Abstract
A propulsion apparatus powers a vehicle in two dimensions: linearly forward and backward and rotationally in a horizontal plane. A plurality of electric motors applies angular force around a vertical axis of rotation passing through the center of mass of a four wheeled vehicle by delivering unequal magnitude and phase of electrical voltage to four polyphase Alternating Current (AC) motors each individually powering a single wheel. An adaptive torque control circuit transforms operator controlled vehicle steering into current or voltage magnitude and voltage frequency powering each of the four poly-phase AC motors.
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