Control device for brushless motor and washing machine having the device

Control device for brushless motor and washing machine having the device

A device for controlling a brushless motor including an inverter for supplying a.c. electric power to the motor, and a drive control circuit for controlling the inverter. The control circuit includes a load weight detecting circuit for detecting the load weight acting on the motor, a circuit for pre...

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Hauptverfasser: Tomigashi, Yoshio, Yamamoto, Shinya, Okonogi, Akira
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Sprache:eng
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creator Tomigashi, Yoshio
Yamamoto, Shinya
Okonogi, Akira
description A device for controlling a brushless motor including an inverter for supplying a.c. electric power to the motor, and a drive control circuit for controlling the inverter. The control circuit includes a load weight detecting circuit for detecting the load weight acting on the motor, a circuit for preparing a driving signal, and a circuit for preparing a PWM signal based on the driving signal. The driving signal preparing circuit derives from the load weight detected a phase reference value to give a phase difference of up to 90 degrees between the braking voltage to be applied to the motor and the current of the motor, and prepares the based on the phase reference value.
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The control circuit includes a load weight detecting circuit for detecting the load weight acting on the motor, a circuit for preparing a driving signal, and a circuit for preparing a PWM signal based on the driving signal. The driving signal preparing circuit derives from the load weight detected a phase reference value to give a phase difference of up to 90 degrees between the braking voltage to be applied to the motor and the current of the motor, and prepares the based on the phase reference value.</abstract><oa>free_for_read</oa></addata></record>
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title Control device for brushless motor and washing machine having the device
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