Motor control device and drive device for hybrid vehicle
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United States of America Patent
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May 29, 2012
Issued Date -
N/A
app pub date -
Dec 3, 2009
filing date -
Dec 24, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hybrid drive device includes a first motor; an operative mechanism that drivingly connects the first motor to an engine of a vehicle; a second motor that is drivingly connected to a drive wheel; an engine rotation speed sensor that detects a rotation speed of the engine; a magnetic pole position sensor that detects a magnetic pole position of the second motor; a current sensor that detects a current flowing to the first motor; a sensorless motor control device that estimates a magnetic pole position of the first motor based on the current detected by the current sensor, and drivingly controls the first motor; and a second motor control device that drivingly controls the second motor based on the magnetic pole position detected by the magnetic pole position sensor.
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