Centralized motor controller
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Jul 17, 2014
filing date -
Jul 28, 2012
priority date (Note) -
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Abstract
A centralized motor controller for receiving commands from an application system controller and for controlling operation of a plurality of independent motors. The centralized motor controller includes: a power supply; a microprocessor; and an interface circuit for motor control including at least two inverter units and two rotor position detection units. The power supply supplies power for each circuit part. The motors are controlled by the microprocessor via the interface circuit for motor control. The number of the motors is equal to or more than three, in which, at least two of the motors are permanent magnet synchronous motors in the absence of a motor controller. The permanent magnet synchronous motors are driven by the microprocessor via the inverter units, respectively. Rotor position data of the permanent magnet synchronous motors are transmitted to the microprocessor via the rotor position detection units, respectively.
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