Nonlinear Information Processing Algorithm for Navigation Complex with Increased Degree of Parametric Identifiability
The aircraft navigation system with the error compensation algorithm of the basic inertial navigation system is considered. A nonlinear correction algorithm has been developed using an SDC representation of the navigation system’s error model matrix. To improve the accuracy of the model, a method is proposed for increasing the degree of identifiability of the parameters in the model matrix. The problem of identification of nonlinear systems is investigated. A numerical criterion for the degree of identifiability of the parameters of a non-linear model of one class, based on the SDC representation of the non-linear model, has been developed.
KeywordsNavigation complex Navigation system errors Correction algorithm Nonlinear model SDC representation Identifiability criterion Identifiability quality
This work was supported by the Russian Fund for Fundamental Research (Project 16-8-00522), the State Mission of the Ministry of Education and Science of the Russian Federation (Project No. 2.7486.2017) and the Program of Introducing Talents of Discipline to Universities in China (Program 111, No. B 16025).
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