Method and device for controlling an alternator-starter of a motor vehicle, and corresponding alternator-starter
US9874192B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2014 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Sep 28, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02N2300/108
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The method according to the invention is implemented in an alternator-starter (1) comprising phase windings (u,v,w) connected to an inverter (3) linked to an onboard electrical network (2) powered by a battery for operation as a starter. The invention involves controlling the inverter in a chopped full-wave control mode when the rotational speed (Ω) of the alternator-starter is lower than at least a threshold speed and in a full-wave control mode when the rotational speed is higher than the threshold speed. According to a specific embodiment, the switching between the chopped full-wave control mode and the full-wave control mode takes place according to a hysteresis cycle using two predefined threshold speeds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.