Direct current motor speed control apparatus
US3983464A · kind A · utility
21Cited by
8References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 1974 |
| Grant date | Sep 28, 1976 |
| Priority date | — |
| Expiry date | May 13, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S388/93
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A direct current motor speed control system is disclosed including a motor armature current controller operative in conjunction with a speed controller and a current reference ramp function generator, such that an effective clamp is provided on the current reference rate of change in the motor speeed control operation in relation to providing less amplification of the noise frequency portion of the motor speed actual feedback signal supplied to the speed controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.