Modeling Earth's gravitational gradients for GPS-free navigation

Authors

• Troy C. Welker, Aeronautical Systems Center, USAF
• Richard E. Huffman Jr., Air Force Institute of Technology
• Meir Pachter, Air Force Institute of TechnologyFollow

Document Type

Conference Proceeding

Publication Date

6-17-2013

Abstract

A method is developed to estimate an aircraft's navigation state using gravitational gradients calculated from a spherical harmonic model of the Earth, in concert with terrain elevation data, without using surveyed gravity information.

Comments

©2013 American Automatic Control Council (AACC)

The full conference paper is available from IEEE via subscription or purchase, using the DOI link below.

DOI

10.1109/ACC.2013.6580064

Source Publication

2013 American Control Conference (ACC)

Recommended Citation

T. C. Welker, R. E. Huffman and M. Pachter, "Modeling Earth's gravitational gradients for GPS-free navigation," 2013 American Control Conference, Washington, DC, USA, 2013, pp. 1602-1607, doi: 10.1109/ACC.2013.6580064.