JPS54129417A - Motor driving circuit - Google Patents
Motor driving circuitInfo
- Publication number
- JPS54129417A JPS54129417A JP3781678A JP3781678A JPS54129417A JP S54129417 A JPS54129417 A JP S54129417A JP 3781678 A JP3781678 A JP 3781678A JP 3781678 A JP3781678 A JP 3781678A JP S54129417 A JPS54129417 A JP S54129417A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output signal
- circuit
- transistors
- transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
PURPOSE: To prevent the variation of gain, etc. of motor driving circuit by supplying to motor coil a signal amplified for pulse width modulation means in accordance with signal level detecting the rotation position of rotor.
CONSTITUTION: The output signal of the rotor rotation position detector 4 is applied to the operational amplifier 10, and then its output signal is put in the comparators 21 and 22 to make pulse width modulation by the output signal of the trianglar wave-generating circuit 23. The sigbal d is inversed by the polarity inversion circuit 24 and then supplied to the transistor 14a of the power amplifying circiut 11, and also the signal e is supplied to the transistor 14b and thereby the transistors 14a and 14b undergo alternate switching operation according to the pulse signals f and e. And, the signal e is given through the integrator 25 to the polarity inversion circuits 26a and 26b to drive the transistors 15a and 15b of the power amplifying circuit 12 and thus control current flows in the motor coil 2 through the low-path filter consisting of the inductance 27 and the condenser 28.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3781678A JPS54129417A (en) | 1978-03-31 | 1978-03-31 | Motor driving circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3781678A JPS54129417A (en) | 1978-03-31 | 1978-03-31 | Motor driving circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54129417A true JPS54129417A (en) | 1979-10-06 |
Family
ID=12508039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3781678A Pending JPS54129417A (en) | 1978-03-31 | 1978-03-31 | Motor driving circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54129417A (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58207889A (en) * | 1982-03-20 | 1983-12-03 | アルツ−ル・フアイフエル・ヴア−クウムテクニツク・ヴエツツラ−・ゲ−エムベ−ハ− | Electric motor drive device |
JPS59230488A (en) * | 1983-05-13 | 1984-12-25 | Rohm Co Ltd | Drive system of brushless motor |
JPS59230490A (en) * | 1983-05-13 | 1984-12-25 | Rohm Co Ltd | Drive system of brushless motor |
JPS59230489A (en) * | 1983-05-13 | 1984-12-25 | Rohm Co Ltd | Drive system of brushless motor |
JPS6285689A (en) * | 1985-10-07 | 1987-04-20 | Sony Corp | Drive circuit for motor |
JPS62290361A (en) * | 1986-06-06 | 1987-12-17 | Fuji Electric Co Ltd | Control system for pulse-width modulation control inverter |
JP2002084772A (en) * | 2000-09-08 | 2002-03-22 | Rohm Co Ltd | Drive controller for brushless motor |
JP2002218783A (en) * | 2001-01-15 | 2002-08-02 | Rohm Co Ltd | Motor driver |
US7095155B2 (en) | 2004-03-12 | 2006-08-22 | Seiko Epson Corporation | Motor and drive control system thereof |
JP2007060862A (en) * | 2005-08-26 | 2007-03-08 | Rohm Co Ltd | Motor driven unit, motor drive method and cooling apparatus using the unit |
US7315147B2 (en) | 2004-03-02 | 2008-01-01 | Seiko Epson Corporation | Motor and motor drive system |
JP2008017678A (en) * | 2006-07-10 | 2008-01-24 | Seiko Epson Corp | Electric motor |
JP2008017679A (en) * | 2006-07-10 | 2008-01-24 | Seiko Epson Corp | Electric motor |
JP2008278748A (en) * | 2008-06-23 | 2008-11-13 | Seiko Epson Corp | Motor, and drive system of motor |
JP2008295290A (en) * | 2007-05-25 | 2008-12-04 | Taida Electronic Ind Co Ltd | Motor control method and apparatus for the same |
JPWO2008026319A1 (en) * | 2006-08-30 | 2010-01-14 | ローム株式会社 | Motor driving circuit, driving method, motor unit, and electronic apparatus using the same |
US7906925B2 (en) | 2006-07-10 | 2011-03-15 | Seiko Epson Corporation | Electric motor, drive system employing multiple electric motors, and method for controlling the same |
US8089231B2 (en) | 2006-07-10 | 2012-01-03 | Seiko Epson Corporation | Electric motor, method for correcting sensor output for the same, and control circuit |
JP2012257457A (en) * | 2007-05-28 | 2012-12-27 | Seiko Epson Corp | Robot and mobile body |
-
1978
- 1978-03-31 JP JP3781678A patent/JPS54129417A/en active Pending
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58207889A (en) * | 1982-03-20 | 1983-12-03 | アルツ−ル・フアイフエル・ヴア−クウムテクニツク・ヴエツツラ−・ゲ−エムベ−ハ− | Electric motor drive device |
JPS59230488A (en) * | 1983-05-13 | 1984-12-25 | Rohm Co Ltd | Drive system of brushless motor |
JPS59230490A (en) * | 1983-05-13 | 1984-12-25 | Rohm Co Ltd | Drive system of brushless motor |
JPS59230489A (en) * | 1983-05-13 | 1984-12-25 | Rohm Co Ltd | Drive system of brushless motor |
JPS6285689A (en) * | 1985-10-07 | 1987-04-20 | Sony Corp | Drive circuit for motor |
JPS62290361A (en) * | 1986-06-06 | 1987-12-17 | Fuji Electric Co Ltd | Control system for pulse-width modulation control inverter |
JP4674942B2 (en) * | 2000-09-08 | 2011-04-20 | ローム株式会社 | Drive control device for brushless motor |
JP2002084772A (en) * | 2000-09-08 | 2002-03-22 | Rohm Co Ltd | Drive controller for brushless motor |
JP2002218783A (en) * | 2001-01-15 | 2002-08-02 | Rohm Co Ltd | Motor driver |
US7956562B2 (en) | 2004-03-02 | 2011-06-07 | Seiko Epson Corporation | Motor and motor drive system |
US7315147B2 (en) | 2004-03-02 | 2008-01-01 | Seiko Epson Corporation | Motor and motor drive system |
US7573226B2 (en) | 2004-03-02 | 2009-08-11 | Seiko Epson Corporation | Motor and motor drive system |
US7211974B2 (en) | 2004-03-12 | 2007-05-01 | Seiko Epson Corporation | Motor and drive control system thereof |
US7095155B2 (en) | 2004-03-12 | 2006-08-22 | Seiko Epson Corporation | Motor and drive control system thereof |
US8102135B2 (en) | 2004-03-12 | 2012-01-24 | Seiko Epson Corporation | Motor and drive control system thereof |
US7884563B2 (en) | 2004-03-12 | 2011-02-08 | Seiko Epson Corporation | Motor and drive control system thereof |
JP2007060862A (en) * | 2005-08-26 | 2007-03-08 | Rohm Co Ltd | Motor driven unit, motor drive method and cooling apparatus using the unit |
TWI425760B (en) * | 2005-08-26 | 2014-02-01 | Rohm Co Ltd | A motor drive device, a method, and a cooling device using the motor drive device |
US8093846B2 (en) | 2005-08-26 | 2012-01-10 | Rohm Co., Ltd. | Motor drive device |
JP2008017679A (en) * | 2006-07-10 | 2008-01-24 | Seiko Epson Corp | Electric motor |
US7906925B2 (en) | 2006-07-10 | 2011-03-15 | Seiko Epson Corporation | Electric motor, drive system employing multiple electric motors, and method for controlling the same |
US8089231B2 (en) | 2006-07-10 | 2012-01-03 | Seiko Epson Corporation | Electric motor, method for correcting sensor output for the same, and control circuit |
JP2008017678A (en) * | 2006-07-10 | 2008-01-24 | Seiko Epson Corp | Electric motor |
JP4834074B2 (en) * | 2006-08-30 | 2011-12-07 | ローム株式会社 | Motor drive circuit, motor unit, and electronic equipment using the same |
JPWO2008026319A1 (en) * | 2006-08-30 | 2010-01-14 | ローム株式会社 | Motor driving circuit, driving method, motor unit, and electronic apparatus using the same |
JP2008295290A (en) * | 2007-05-25 | 2008-12-04 | Taida Electronic Ind Co Ltd | Motor control method and apparatus for the same |
JP2012257457A (en) * | 2007-05-28 | 2012-12-27 | Seiko Epson Corp | Robot and mobile body |
JP2008278748A (en) * | 2008-06-23 | 2008-11-13 | Seiko Epson Corp | Motor, and drive system of motor |
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