Methods and apparatus for controlling an electronic power assisted steering motor in response to detecting engine stall while restarting an auto stop-start engine
US10793184B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Oct 10, 2017 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Oct 31, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Methods and apparatus for controlling an electronic power assisted steering (EPAS) motor in response to detecting engine stall while restarting an auto stop-start engine are described. A controller is to ramp out current from an EPAS motor in response to detecting that an auto stop-start engine is stalled. The controller is also to invoke a stall recovery attempt at the auto stop-start engine in response to the ramp out of current. The controller is also to ramp in current to the EPAS motor in response to detecting that the auto stop-start engine has been successfully restarted based on the stall recovery attempt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.