Steer-by-wire system
US6370460B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2000 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Dec 28, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/001
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A steer by wire control system having a steering wheel unit responsive to a steering wheel torque command and a road wheel unit responsive to a road wheel unit command is disclosed. A master control unit may be employed to perform processing as necessary. A method for steering a vehicle including receiving a tie-rod force signal, a road wheel position signal, a vehicle speed signal, a steering wheel position signal, and a feedback torque signal. Combining these signals to generate the steering wheel torque command signal and road wheel command signal to provide the operator with tactile feedback, while road wheel command signals are sent to road wheel units to provide steering direction. An Ackerman correction unit may also used to correct the left and right road wheel positions to track about a common center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.