METHOD FOR DETECTING STATUS OF A BRAKE, CORRESPONDING SYSTEM, BRAKE FOR ELEVATOR, AND ELEVATOR SYSTEM
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 11, 2024
filing date -
Jul 11, 2024
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Abstract
A method for detecting the state of a brake, the method including adjusting the current used in a braking coil of the brake, so that a braking component of the brake moves away from a first position to a second position; collecting a first current of the braking coil when the braking component leaves the first position; determining a first electromagnetic force according to a preset relationship model based on the first current; calculating a second electromagnetic force based on the first electromagnetic force; adjusting the current in the braking coil when the braking component is in the second position, so that the braking component leaves the second position; collecting a second current of the braking coil when the braking component leaves the second position; and determining a gap from the preset relationship model based on the second electromagnetic force and the second current.
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