The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 2023
Filed:
Jan. 08, 2021
Honeywell International Inc., Charlotte, NC (US);
Sally Ann Keyes, Minneapolis, MN (US);
Dean Richard Wilkens, Scottsdale, AZ (US);
Dale F Enns, Roseville, MN (US);
Honeywell International Inc., Charlotte, NC (US);
Abstract
Systems and methods for model based vehicle navigation are provided. In one embodiment, a navigation system: a strapdown navigation processor; a propagator-estimator filter, the navigation processor configured to input inertial sensor data and navigation corrections from the filter to generate a navigation solution comprising a vehicle velocity estimate and a vehicle attitude estimate; a vehicle physics model configured to perform calculations utilizing dynamics equations for a rigid body. The model inputs 1) vehicle state estimates from the navigation solution and 2) platform inputs indicative of forces acting on a vehicle platform. The model outputs a set of three orthogonal predicted translational acceleration measurements based on the inputs. The filter comprises a measurement equation associated with the model and is configured to input the navigation solution and inertial sensor data, and to input and process the translational acceleration measurements as a navigation aid to generate the navigation corrections.