DC motor control over wide dynamic range

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United States of America Patent

PATENT NO 9413276
APP PUB NO 20160087560A1
SERIAL NO

14494951

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Various examples are provided for brushless direct current (DC) motor control over a wide dynamic range. In one example, among others, a system including a power drive coupled to a DC motor and a MCU configured to control commutation of the DC motor based upon shaft speed of the DC motor, where the MCU transitions between a motion-based commutation mode and a time-based commutation mode in response to a comparison of the shaft speed with a predefined threshold. In another example, a method includes commutating a DC motor in response to a transition in rotor position of the DC motor and transitioning from a motion-based commutation mode to a time-based commutation mode in response to a comparison of shaft speed of the DC motor to a predefined threshold.

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Patent Owner(s)

Patent OwnerAddress
PROCESS CONTROL CORPORATION6875 MIMMS DRIVE ATLANTA GA 30340

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miller, Lloyd Canton, US 3 74

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