Controlling acceleration of brushless direct drive washing machine motor, acceleration rate varied in steps

In an automatic washing machine, the wash tub is driven directly by a brushless motor powered by an inverter. The speed of the motor is accelerated at a series of rates DN1, DN2, DN3 until it reaches a predetermined target speed. The acceleration rate of the motor may be changed as the motor reaches...

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Hauptverfasser:	IKEDA, HIROSHI, MAKINO, YOSHIYUKI, IMAMURA, FUMIHIRO, NISHIMURA, NOBUICHI, MATSUMOTO, SATORU
Format:	Patent
Sprache:	eng
Schlagworte:	FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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creator	IKEDA, HIROSHI MAKINO, YOSHIYUKI IMAMURA, FUMIHIRO NISHIMURA, NOBUICHI MATSUMOTO, SATORU
description	In an automatic washing machine, the wash tub is driven directly by a brushless motor powered by an inverter. The speed of the motor is accelerated at a series of rates DN1, DN2, DN3 until it reaches a predetermined target speed. The acceleration rate of the motor may be changed as the motor reaches intermediate target speeds N1, N2, or after a predetermined time interval. The acceleration rates may be determined after measurement of the weight of laundry in the tub. In an automatic washing machine, the wash tub is driven directly by a brushless motor powered by an inverter. The speed of the motor is accelerated at a series of rates DN1, DN2, DN3 until it reaches a predetermined target speed. The acceleration rate of the motor may be changed as the motor reaches intermediate target speeds N1, N2, or after a predetermined time interval. The acceleration rates may be determined after measurement of the weight of laundry in the tub.
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title	Controlling acceleration of brushless direct drive washing machine motor, acceleration rate varied in steps
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