Collaborative navigation using conditional updates
US8868323B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2011 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Dec 21, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30252
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for collaborative navigation between two or more platforms is provided. The method comprises establishing a communication link between a first platform and a second platform, making a sensor measurement from the first platform, updating state and covariance elements of the first platform, and transmitting the updated state and covariance elements from the first platform to the second platform. A conditional update is performed on the second platform to compute a new estimate of state and covariance elements on the second platform, which takes into account the measurement from the first platform. The method further comprises making a sensor measurement from the second platform, updating state and covariance elements of the second platform, and transmitting the updated state and covariance elements from the second platform to the first platform. A conditional update is performed on the first platform to compute a new estimate of state and covariance elements on the first platform, which takes into account the measurement from the second platform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.