Invention Grant
- Patent Title: Method of determining a radius of protection associated with a navigation parameter of a hybrid inertial navigation system, and associated system
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Application No.: US14933999Application Date: 2015-11-05
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Publication No.: US09726499B2Publication Date: 2017-08-08
- Inventor: Jacques Coatantiec , Nicolas Vercier
- Applicant: Thales
- Applicant Address: FR Courbevoie
- Assignee: Thales
- Current Assignee: Thales
- Current Assignee Address: FR Courbevoie
- Agency: Davis Wright Tremaine LLP
- Agent Michael J. Donohue
- Priority: FR1402530 20141107
- Main IPC: G01C21/16
- IPC: G01C21/16 ; G01C21/20 ; G01S19/40 ; G01S19/49
Abstract:
Method of determining at least one radius of protection associated with a respective navigation parameter of a hybrid inertial navigation system by Kalman filtering employing introduction of a position bias into the state model of the Kalman filter representing the uncertainty associated with the reference safe position.
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