MOTOR CONTROL DEVICE, BRUSHLESS MOTOR, AND MOTOR CONTROL SYSTEM

Title:

MOTOR CONTROL DEVICE, BRUSHLESS MOTOR, AND MOTOR CONTROL SYSTEM

Document Type and Number:

WIPO Patent Application WO/2013/132733

Kind Code:

A1

Abstract:

This motor control device comprises: a PWM demodulation processing unit for demodulating a PWM command signal (Si) into a speed command value (Vr); a rotation control unit for generating a motor driving value (Dd) according to the speed command value (Vr); an energization driving unit for generating driving voltages (Uo, Vo, Wo) for driving coils according to the driving value (Dd) so that currents flow through the coils; a rotational speed calculation unit for generating a speed detection value (Vd) as a notification signal to be notified outside; and a PWM modulation processing unit for generating a PWM notification signal (Fp) that is pulse-width-modulated by the speed detection value (Vd). The PWM modulation processing unit generates and sends out the PWM notification signal (Fp) synchronized with the PWM command signal (Si).

Inventors:

SATO DAISUKE

Application Number:

PCT/JP2013/000179

Publication Date:

September 12, 2013

Filing Date:

January 17, 2013

Export Citation:

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Assignee:

PANASONIC CORP (JP)

International Classes:

H02P6/06; H02P6/08; H02P6/17; H02P29/00; H04B3/50

Foreign References:

JP2010045941A	2010-02-25
JP2011130532A	2011-06-30
JP2012005254A	2012-01-05
JP2007082360A	2007-03-29
JP2007068347A	2007-03-15
JP2007335811A	2007-12-27
JP2008148542A	2008-06-26
JP2011130532A	2011-06-30
JP2009104907A	2009-05-14

Other References: