Methods of attitude and misalignment estimation for constraint free portable navigation
US11598638B2 · kind B2 · utility
1Cited by
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38Claims
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Key dates
| Filing date | Nov 9, 2018 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Jul 2, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C25/005
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure relates to methods of enhancing a navigation solution about a device and a platform, wherein the mobility of the device may be constrained or unconstrained within the platform, and wherein the navigation solution is provided even in the absence of normal navigational information updates (such as, for example, GNSS). More specifically, the present method comprises utilizing measurements from sensors (e.g. accelerometers, gyroscopes, magnetometers etc.) within the device to calculate and resolve the attitude of the device and the platform, and the attitude misalignment between the device and the platform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.