Motor drive control device, motor unit, and motor drive control method
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United States of America Patent
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Nov 28, 2023
Grant Date -
Dec 1, 2022
app pub date -
May 23, 2022
filing date -
May 27, 2021
priority date (Note) -
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Abstract
A motor drive control device includes a control unit monitoring a rotational state of a rotor of a two-phase stepping motor, setting an energization angle θ representing a magnitude of an electric angle for continuously energizing, of coils of two phases of the two-phase stepping motor, a coil of one phase in one direction based on the rotational state of the rotor, and generating a control signal Sd for controlling driving of the two-phase stepping motor based on the set energization angle θ, and a drive unit driving the coils of two phases based on the control signal Sd.
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