Controller for electric vehicles
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United States of America Patent
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Apr 2, 2013
Grant Date -
May 6, 2010
app pub date -
Mar 10, 2008
filing date -
Jun 22, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A controller for detecting abnormality of a motor control ECU of an electric vehicle 50 has a travel control unit 1 for calculating a target driving torque for an electric motor 3, and a motor control unit 2 for calculating a final indication torque obtained by correcting the target driving torque from the travel control unit 1, and supplying electric power according to the final indication torque to the motor 3. The travel control unit 1 includes a target driving torque calculating unit 21 for calculating the target driving torque, a final indication torque confirmation value calculating unit 23 for calculating a final indication torque confirmation value based on the calculated target driving torque, and an abnormality determining unit 24 for determining the abnormality of the motor control unit 2 based on a result of comparison between the final indication torque and the final indication torque confirmation value.
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