Apparatus and method for estimating torque of engine clutch in hybrid electric vehicle
US10424136B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 4, 2017 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | Dec 4, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/914
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for accurately estimating the transfer torque of an engine clutch provided between an engine and a motor in a hybrid electric vehicle, may include a forward estimation device configured for determining a first estimate of engine clutch transfer torque using engine torque information, a reverse estimation device configured for determining a second estimate of the engine clutch transfer torque using a drive system model including wheels, a transmission, and a motor and using wheel speed information, a weight determination device configured for determining a weight based on brake input by a driver and whether predetermined devices in the vehicle are operated, and an estimate combination determination device configured for determining a final estimate of the engine clutch transfer torque as a value combined by applying a weight to the determined first estimate and the determined second estimate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.