Onboard aircraft landing system, based on a GNSS system, with redundant and dissimilar architecture for high integrity level
US9395446B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2013 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Nov 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D1/042
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Device for receiving radio-navigation signals, for aiding the piloting of an aircraft, comprising a first master GNSS module and a second slave GNSS module which are dissimilar, the first master GNSS module comprising a first means for processing radio-navigation signals and a first means for computing guidance data (Xg), the second slave GNSS module comprising a second means for processing radio-navigation signals and a second means for computing guidance data (Xg) on the basis of the measurements provided by the said second means for processing signals, each GNSS module furthermore comprising a comparison means for comparing between the outputs Xg1,Xg2 of the said first and second means for computing guidance data, suitable for executing the following integrity test:|Xg1−Xg2|>Kg·√{square root over (Variance(Xg1−Xg2))}and for inferring an integrity defect if the said integrity test is satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.