JPS55144792A - Brushless dc motor control circuit - Google Patents
Brushless dc motor control circuitInfo
- Publication number
- JPS55144792A JPS55144792A JP5295979A JP5295979A JPS55144792A JP S55144792 A JPS55144792 A JP S55144792A JP 5295979 A JP5295979 A JP 5295979A JP 5295979 A JP5295979 A JP 5295979A JP S55144792 A JPS55144792 A JP S55144792A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- inverts
- brushless
- detection circuit
- pulses
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
PURPOSE:To enable to use a cheap small rating switching element by pulse-controlling a switching element, which conducts a brushless DC motor. CONSTITUTION:A detection circuit puts out periodically pulses with the two position ratio according to rpm of a motor. Said pulses perform the two position control of a transistor 5 through the inverters 3, 4a, 4b and also control output pulses of a delay circuit 6. the pulse of the delay circuit 6 inverts ''0'' ''1'' at the same time as the pulse of the detection circuit inverts ''0'' ''1'', which inverting ''1'' ''0'' with a fixed time delay when the output pulse of the detection circuit 1 inverts ''1'' ''0''. When the pulse of the delay circuit 6 turns ''on'', the transistors 11, 12 turn ''on'' to conduct the armature winding 14.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5295979A JPS55144792A (en) | 1979-04-28 | 1979-04-28 | Brushless dc motor control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5295979A JPS55144792A (en) | 1979-04-28 | 1979-04-28 | Brushless dc motor control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55144792A true JPS55144792A (en) | 1980-11-11 |
JPS6346679B2 JPS6346679B2 (en) | 1988-09-16 |
Family
ID=12929420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5295979A Granted JPS55144792A (en) | 1979-04-28 | 1979-04-28 | Brushless dc motor control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55144792A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008035638A (en) * | 2006-07-28 | 2008-02-14 | Aloka Co Ltd | Brushless motor controller |
-
1979
- 1979-04-28 JP JP5295979A patent/JPS55144792A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008035638A (en) * | 2006-07-28 | 2008-02-14 | Aloka Co Ltd | Brushless motor controller |
JP4681517B2 (en) * | 2006-07-28 | 2011-05-11 | アロカ株式会社 | Brushless motor control device |
Also Published As
Publication number | Publication date |
---|---|
JPS6346679B2 (en) | 1988-09-16 |
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