Optimal planner switch method for three point turn of autonomous driving vehicles
US11338855B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 26, 2018 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Jul 13, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60W2554/802
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A three-point-turn is planned and executed in the operation of an autonomous driving vehicle (ADV). A candidate route from a start point and going through an end point is determined, the start point and the end point being in lanes associated with opposite travel directions. The candidate route is categorized into partially overlapping first, second, and third segments. A total cost associated with the candidate route is determined based at least in part on the first and second segments. Whether the total cost is below a threshold cost is determined. In response to a determination that the total cost is below the threshold cost, the three-point-turn is planned based on the candidate route. Further, driving signals are generated based at least in part on the planned three-point-turn to control operations of the ADV.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.