JPS5456121A - Speed controller for dc motor - Google Patents
Speed controller for dc motorInfo
- Publication number
- JPS5456121A JPS5456121A JP12330477A JP12330477A JPS5456121A JP S5456121 A JPS5456121 A JP S5456121A JP 12330477 A JP12330477 A JP 12330477A JP 12330477 A JP12330477 A JP 12330477A JP S5456121 A JPS5456121 A JP S5456121A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- circuit
- drive circuit
- speed
- rotation
- 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
Landscapes
- Stopping Of Electric Motors (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
PURPOSE: To enable a recovery smoothly returning to the set speed of rotation, with a hunting prevented from occurring, in cases that a rotational speed of the motor come to be above the set speed of rotation due to a disturbance.
CONSTITUTION: A speed of DC motor 1 is detected by a frequency generator 3, being converted into a voltage signal by a F-V converter 4, with a signal inputted to a forward run-brake switching circuit 5, and in accordance with whether an operation at forward run or brake, are switched a drive circuit 2 and a differential amplifier outpout selector circuit 6. An output signal of differential amplifier 7 is given to the drive circuit 2 through the output selector circuit 6 and DC amplifier 8, making a control of the motor 1. The forward run-brake switching circuit 5, by means of switching the drive circuit 2 through a drive circuit switching circuit 9, will change a generating torque of the motor 1 to a positive direction and negative direction in a manner of interlocking, and in case of the rotational speed increasing due to a disturbance, a recovery to smoothly return to the initial speed of rotation can be operated without causing phenomena of hunting
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12330477A JPS5456121A (en) | 1977-10-13 | 1977-10-13 | Speed controller for dc motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12330477A JPS5456121A (en) | 1977-10-13 | 1977-10-13 | Speed controller for dc motor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5456121A true JPS5456121A (en) | 1979-05-04 |
JPS6310670B2 JPS6310670B2 (en) | 1988-03-08 |
Family
ID=14857217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12330477A Granted JPS5456121A (en) | 1977-10-13 | 1977-10-13 | Speed controller for dc motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5456121A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03234179A (en) * | 1990-02-08 | 1991-10-18 | Sanyo Electric Co Ltd | Protection circuit for television receiver |
-
1977
- 1977-10-13 JP JP12330477A patent/JPS5456121A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6310670B2 (en) | 1988-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5534854A (en) | Controlling method of secondary winding-exciting motor | |
JPS573589A (en) | Controlling circuit for stopping of dc motor | |
JPS5220210A (en) | Control means for d-c motor | |
JPS52147717A (en) | Speed controller for motors | |
JPS5456121A (en) | Speed controller for dc motor | |
JPS5374223A (en) | Speed control device of motor | |
JPS558202A (en) | Method of controlling dc braking | |
JPS5490514A (en) | Starting-assist circuit for commutatorless motor | |
JPS54127552A (en) | Device for generating current command | |
JPS56125757A (en) | Speed controlling device for electrophotographic copier | |
JPS5513613A (en) | Speed controller for electric motor | |
JPS5592595A (en) | Driving gear for synchronous motor | |
JPS5795221A (en) | Apparatus for controlling electromagnetic clutch for car | |
JPS5510862A (en) | Thyristor motor controller | |
JPS5445468A (en) | Drive controller | |
JPS52131113A (en) | Control unit for commutatorless motor | |
JPS54111072A (en) | Displacement controlling apparatus | |
JPS55139083A (en) | Speed control circuit of motor | |
JPS56145786A (en) | Controller for motor | |
JPS55120386A (en) | Control system for dc commutatorless motor | |
JPS54150628A (en) | Emergency operation device of wound-rotor induction motor | |
JPS54109116A (en) | Controller of non-commutator motor | |
JPS57170100A (en) | Load controlling system using synchronous phase modifier for use with shaft generating device | |
JPS51127415A (en) | Speed control circuit for d-c motor | |
JPS5635697A (en) | Control apparatus for ac motor |