Static steering angle reducing algorithm for four wheel steering systems
US6658334B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2002 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | Feb 4, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D7/1581
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method for controlling the rear steering angle of a vehicle includes calibrating a static vehicle speed threshold, detecting an actual vehicle speed below the calibrated static vehicle speed threshold, determining whether the phase of a rear steering angle is correct in response to the detected speed below threshold, ramping to zero the rear steering angle if the determined phase is not correct, deciding whether the rear steering angle is greater than a desired rear steering angle if the determined phase is correct, and ramping down the rear steering angle to the desired rear steering angle in response to the decidedly greater angle by commanding an electric motor operably coupled to the steering rack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.