Methods and apparatus for generating current commands for an interior permanent magnet (IPM) motor
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United States of America Patent
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Sep 19, 2017
Issued Date -
N/A
app pub date -
Sep 18, 2015
filing date -
Sep 18, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
In one aspect, an apparatus includes a motor and inverter configured to provide input power to the motor and a data store comprising at least one entry including a first torque command, a first motor speed, and a first DC voltage value. The first torque command and the first motor speed and the first DC voltage value are associated with a first current output. The apparatus includes a processor configured to receive a torque input, a DC voltage input, and a motor speed input and determine an output current associated with the torque input, the DC voltage input, and the motor speed input, correct the output current to be within a voltage constraint of the motor when the DC voltage input is than a reference voltage at the motor and output the corrected output current to cause the inverter to provide the input power to the motor.
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