GB1472115A - Dc motor control apparatus - Google Patents
Dc motor control apparatusInfo
- Publication number
- GB1472115A GB1472115A GB1690974A GB1690974A GB1472115A GB 1472115 A GB1472115 A GB 1472115A GB 1690974 A GB1690974 A GB 1690974A GB 1690974 A GB1690974 A GB 1690974A GB 1472115 A GB1472115 A GB 1472115A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulses
- speed
- motor
- motor speed
- analogue
- 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.)
- Expired
Links
- 230000001419 dependent effect Effects 0.000 abstract 3
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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
- H02P7/2913—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
-
- 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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/18—Controlling the angular speed together with angular position or phase
- H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
1472115 Automatic control of speed SANKYO SEIKI SEISAKUSHO KK 18 April 1974 [18 April 1973 19 April 1973] 16909/74 Heading G3R A speed control system for a D.C. motor has an analogue loop and a phase control loop using, respectively, a voltage and a frequency proportional to motor speed. If reference frequency pulses and the pulses at a speed dependent frequency alternate, an output of a comparator in the phase control loop switches between two levels, to form an analogue value dependent upon the phase difference between the two pulses, which value is used as a speed control signal. If two reference pulses occur between two motor speed pulses, the output locks to one level until the occurrence of two motor speed pulses between two reference pulses. Similarly if two motor speed pulses occur between two reference pulses, the comparator output locks to the other level. As shown, the phase comparator 25 comprises a pair of flip-flop circuits FF1, FF2 that are cross coupled to form a bi-stable latch counting circuit, the normal and inverted outputs of FF1 being summed by resistors 27 to form the analogue motor control signal. The reference frequency pulses are obtained from multi-vibrator 26 and the actual motor speed signal via a filter (not shown) and shaper 23 from a motor driven tachometer (having a frequency and amplitude proportional to motor speed). The tachometer output is also rectified and filtered to form the motor speed dependent voltage used in the analogue control loop.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48043782A JPS49129123A (en) | 1973-04-18 | 1973-04-18 | |
| JP4679773U JPS49148413U (en) | 1973-04-19 | 1973-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1472115A true GB1472115A (en) | 1977-05-04 |
Family
ID=26383614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1690974A Expired GB1472115A (en) | 1973-04-18 | 1974-04-18 | Dc motor control apparatus |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2418769C3 (en) |
| GB (1) | GB1472115A (en) |
| NL (1) | NL7405286A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5324517A (en) * | 1976-08-20 | 1978-03-07 | Victor Co Of Japan Ltd | Surbo system |
| JPS5847030B2 (en) * | 1977-03-30 | 1983-10-20 | 松下電器産業株式会社 | Rotating body rotation speed display device |
| JPS5914997B2 (en) * | 1978-06-27 | 1984-04-06 | 松下電器産業株式会社 | Electric motor speed control device |
| DD208277B1 (en) * | 1981-12-14 | 1989-08-16 | Hartha Elektromotoren | CIRCUIT ARRANGEMENT FOR A PLL SPEED CONTROL OF A MOTOR WITH AUTOMATIC WORKING POINT ADJUSTMENT |
| DE3315842A1 (en) * | 1982-05-03 | 1983-11-03 | Teldix Gmbh, 6900 Heidelberg | Circuit device for controlling the rotation speed of a DC motor |
| DE3332532A1 (en) * | 1983-09-09 | 1985-03-28 | Hans-Dieter 7121 Gemmrigheim Layh | Electrical regulating drive |
-
1974
- 1974-04-18 GB GB1690974A patent/GB1472115A/en not_active Expired
- 1974-04-18 NL NL7405286A patent/NL7405286A/xx unknown
- 1974-04-18 DE DE2418769A patent/DE2418769C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7405286A (en) | 1974-10-22 |
| DE2418769A1 (en) | 1974-10-31 |
| DE2418769C3 (en) | 1979-08-23 |
| DE2418769B2 (en) | 1978-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |