Motor driving device
A motor driving device includes a logic unit configured to control an electrical conduction of a motor, a reference clock signal generating unit configured to generate a reference clock signal based on a rotational speed indication signal, a rotational speed signal generating unit configured to gene...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A motor driving device includes a logic unit configured to control an electrical conduction of a motor, a reference clock signal generating unit configured to generate a reference clock signal based on a rotational speed indication signal, a rotational speed signal generating unit configured to generate a rotational speed signal based on a rotational speed of the motor, and a rotational speed feedback control unit configured to receive the reference clock signal and the rotational speed signal and control the logic unit so that the rotational speed of the motor reaches a target value. The rotational speed feedback control unit changes a feedback gain in response to the rotational speed signal. |
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