JPS54142514A - System for starting commutatorless motor - Google Patents
System for starting commutatorless motorInfo
- Publication number
- JPS54142514A JPS54142514A JP5102578A JP5102578A JPS54142514A JP S54142514 A JPS54142514 A JP S54142514A JP 5102578 A JP5102578 A JP 5102578A JP 5102578 A JP5102578 A JP 5102578A JP S54142514 A JPS54142514 A JP S54142514A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- signal
- excitation
- rotor
- turned
- 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
Abstract
PURPOSE: To start a motor through the excitation of an armature winding by counting positioning pulses after the rotation of a rotor up to a reference angle with a DC-excitation of one of the phases of the armature winding and a pulse current-excitation of the other.
CONSTITUTION: When an α-phase coil 10 is DC-excited while the motor is stationary, a rotor 12 rotates as shown in the drawing II. When a pulse current is subsequently fed through a β-phase coil 11, the rotor 12 is stationed at θ=0. In order to keep this condition, switches A, B and C are turned on and a switch D is off with a position command pulse generated from a letter position detector 3 for a motor 1. When the switch D is turned on and the switches A and C are turned off at θ=0, a signal from the detector 3 is inputted to a main calculator 6 through a waveform generating circuit 7. The signal is multiplied by a signal from a speed comparator 5 to input a motor driving signal to a power amplifier 8.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53051025A JPS6013399B2 (en) | 1978-04-27 | 1978-04-27 | Starting method of commutatorless motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53051025A JPS6013399B2 (en) | 1978-04-27 | 1978-04-27 | Starting method of commutatorless motor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54142514A true JPS54142514A (en) | 1979-11-06 |
JPS6013399B2 JPS6013399B2 (en) | 1985-04-06 |
Family
ID=12875257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53051025A Expired JPS6013399B2 (en) | 1978-04-27 | 1978-04-27 | Starting method of commutatorless motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6013399B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58119794A (en) * | 1981-12-30 | 1983-07-16 | Sony Corp | Drive circuit for brushless motor |
JPS61150694A (en) * | 1984-12-25 | 1986-07-09 | Matsushita Electric Ind Co Ltd | Brushless motor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61247544A (en) * | 1985-04-26 | 1986-11-04 | Tokyo Tatsuno Co Ltd | Oil supply device |
-
1978
- 1978-04-27 JP JP53051025A patent/JPS6013399B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58119794A (en) * | 1981-12-30 | 1983-07-16 | Sony Corp | Drive circuit for brushless motor |
JPS61150694A (en) * | 1984-12-25 | 1986-07-09 | Matsushita Electric Ind Co Ltd | Brushless motor |
Also Published As
Publication number | Publication date |
---|---|
JPS6013399B2 (en) | 1985-04-06 |
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