MOTOR CONTROL APPARATUS FOR ELECTRIC VEHICLE
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United States of America Patent
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app pub date -
Oct 24, 2011
filing date -
Oct 25, 2010
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Abandoned
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Abstract
A motor control apparatus for an electric vehicle includes a first motor driving the front wheels of the electric vehicle and a second motor driving the rear wheels. A motor driving control distributes a demand torque to be demanded for the electric vehicle and controls the first and second motors; a determination unit counts time during which a driving torque distributed to one of the first and second motors is a reference torque, which is preset for the one of the first and second motors, or higher and determines whether the counted time is predetermined time or longer; and a driving torque distribution control unit that, when the counted time is the predetermined time or longer, reduces the driving torque distributed to one of the first and second motors to below the reference torque and increases a driving torque to the other.
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