Closed-loop control system for a stepping motor
US4710690A · kind A · utility
8Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1986 |
| Grant date | Dec 1, 1987 |
| Priority date | — |
| Expiry date | Jul 3, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P8/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system and method for operating a stepping motor in start, run, and stop modes of operation. After the stepping motor is accelerated in the start mode, it is operated in the run mode by energizing the windings with a lead angle of two steps in one embodiment and by energizing the windings with a lead angle of two and one quarter steps in a second embodiment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.