Active fault tolerance and fault mitigation system based on steer-by-wire with dual motors and control method therefor
US12195109B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2019 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | Nov 28, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/0481
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An active fault tolerance and fault mitigation system based on steer-by-wire dual motors and a mode switching control method thereof are provided. The system includes an acquisition unit, a steering wheel assembly, an ECU control module, a front wheel steering assembly, and a fault tolerance controller (18) which are sequentially connected. The acquisition unit transmits an acquired vehicle signal to the ECU control module, and then a corresponding compensation strategy is selected by means of a fault tolerance control strategy unit, a yaw rate calculation unit, a stability control unit, and a dual-motor compensation unit to act on a rack and pinion mechanism (15). The system and method can perform switching in an active fault tolerance and fault mitigation mode to achieve optimal control of the real-time performance of a vehicle, thereby ensuring the driving performance and higher performance of the vehicle in a field fault condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.