Dynamic deceleration control for hybrid vehicle to achieve a consistent overrun response
US9932027B2 · kind B2 · utility
1Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2014 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | May 18, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/93
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hybrid electric vehicle is capable of direct drive by internal combustion engine, electric motor, or both. In order to provide a consistent overrun response, a torque controller determines an appropriate deceleration characteristic according to, for example, transmission speed ratio, vehicle gradient and vehicle mass, and commands the electric motor and the engine to contribute a negative torque which meets the required deceleration characteristic. A ‘tip’ function modifies the characteristic in the event of a change commanded by the vehicle driver, for example a change of speed ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.