Stall prevention/recovery system and method
US9218002B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2011 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Dec 13, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D1/0816
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for operating an aircraft to prevent/recover from a stall condition includes the steps of detecting an actual vertical velocity of the aircraft, calculating vertical velocity error of the aircraft, the vertical velocity error being based upon a comparison between the actual vertical velocity of the aircraft and a commanded vertical velocity of the aircraft, and determining if the aircraft is in one of a near stalled condition and a stalled condition based upon at least the detected vertical velocity error and the polarity of the vertical velocity error. The method further includes the steps of taking control of the aircraft from an operator of the aircraft, reducing a bank angle of the aircraft, pitching the aircraft downward, and increasing the airspeed of the aircraft if the aircraft's airspeed is outside an airspeed window if the aircraft is in one of the near stalled condition and the stalled condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.