MOTOR DISCONNECTION DETECTION WHILE THE MOTOR IS SWITCHED ON
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United States of America
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Issued Date -
Dec 26, 2024
app pub date -
Jun 26, 2023
filing date -
Jun 26, 2023
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Abstract
A system for detecting motor disconnections while a motor is switched on comprises a motor, a motor drive circuit, and a processor. The processor determines whether a set of disconnection conditions is met for more than a threshold time. In this process, the processor determines that a pulse signal that leads to power the motor is enabled, that a speed associated with the motor is more than a threshold speed, a drive voltage output associated with the motor drive circuit is more than a threshold voltage, a current applied to the motor is less than a threshold current, and that the speed associated with the motor is zero. The processor determines that at least one terminal of the motor is disconnected from the motor drive circuit in response to determining that the set of disconnection conditions is met for more than the threshold time.
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