Vertical take-off-and-landing unmanned aerial vehicle system capable of landing on uneven or sloped terrain
US9994307B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2016 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Mar 25, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U2201/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for landing, comprising a vertical-take-off-and-landing (VTOL) unmanned air vehicle (UAV) having landing gear, wherein the landing gear is telescopic and comprises a sensor, and wherein the landing gear is compressed upon landing on a surface, and the compression causes a signal to be sent to a system that computes the slope of the ground surface using the length of the compressed landing gear and the attitude of the UAV. If the center of gravity falls within the support area, the legs are locked and the UAV power is turned off. If the center of gravity falls outside the support area, the UAV is forced to take off and find a safer landing spot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.