Speed control of super positioning torque vectoring differential
US10737680B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 2018 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Dec 1, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2048/364
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electrified axle system includes a pair of wheels, a super positioning torque vectoring differential coupled between the wheels, and a controller. The super positioning torque vectoring differential includes a traction motor and a vectoring motor. The controller operates the vectoring motor in speed control mode to reduce a speed difference between the wheels responsive to the difference exceeding a threshold, and operates the vectoring motor in torque control mode responsive to the difference falling within a target range and an accelerator pedal position achieving a value that depends on lateral acceleration associated with the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.