Motor control device and failure detection method for motor control device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11431274
APP PUB NO 20210044245A1
SERIAL NO

16981808

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Importance

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Abstract

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A closed-loop circuit is detected based on a short-circuit failure of a motor control switching element of a motor drive circuit and a cutoff switching element. A motor control device including a motor, a motor drive circuit (10a) that is connected to a power supply device and the motor and controls the output of the motor, and a processing unit for detecting a closed-loop circuit formed by the motor and the motor drive circuit (10a) based on a short-circuit failure of switching elements arranged in the motor drive circuit (10a).

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Patent Owner(s)

  • NSK LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okubo, Mitsunori Maebashi, JP 3 20

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