Use of a power-steering motor to simulate an end-of-travel stop for said steering
US9950735B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2014 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Dec 28, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R25/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method for managing a power-steering motor configured to supply a force to assist the movement of a steering rack involves the steering rack being mounted such as to be movable between at least a first position and a second position in order to be able to change the steering angle of a steered wheel. The method includes the steps of defining a virtual end-of-travel threshold strictly between the first position and the second position. If the rack is detected as having crossed the virtual end-of-travel threshold in a predetermined crossing direction, simulating, by the power-steering motor, an end-of-travel stop by including in the assistance instruction a resistance instruction that simulates the effect of a mechanical stop, such as a spring-damper or a mass-spring-damper, preventing the actuator member from progressing further beyond the virtual end-of-travel threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.