“VOR - Calibration by an Airborne Integrated Navigation System”

Authors: Tore Smestad,
Affiliation: Norwegian Defence Research Establishment (FFI)
Reference: 1980, Vol 1, No 1, pp. 51-65.

Keywords: Avionics, VOR, calibration, inertial navigation, integrated navigation, Kalman filtering, sensitivity analysis, modelling errors

Abstract: A simulation study of a possible application of modern control theory is presented. The problem is to check and calibrate a VOR-station from a circling aircraft. An accurate position estimate of the circling aircraft is needed in order to calculate the errors in the received VOR-signals. The position estimate is here obtained from an integrated navigation system using an inertial navigation system (INS), a laser range-finder, angle measurements on the laser line-of-sight, and barometer readings. The range and angle measurements are fed to a Kalman filter which estimates errors in the navigation system. Simulation results show that satisfactory accuracy is obtained by this method. The paper presents a description of the proposed system, the simulation model used, simulation results and some sensitivity analysis.

PDF PDF (1109 Kb)        DOI: 10.4173/mic.1980.1.4

References:
[1] ASHER, R.B., REEVES, R.M. (1975). Performance evaluation of suboptimal filters, IEEE Trans. Aerospace Electron. Syst.,11, 400-405 doi:10.1109/TAES.1975.308092
[2] BRITTING, K.R. (1971). Inertial Navigation Systems Analysis, Wiley-Interscience.
[3] EK, A., GRAN, E. (1974). Program MULTEC-1, Multivariable Estimation and Control, Institutt for Atomenergi, Norway.
[4] ELSAESSER, W.R. (1975). Error propagation in the ship´s inertial navigator: linear vs non-linear theory, and the effects of ship´s velocity and earth´s oblateness, U.S. Naval Weapons Laboratory, Dahlgren, Virginia, USA.
[5] GELB, A. (1974). Applied Optimal Estimation, MIT Press.
[6] KAYTON, M., FRIED, W.R. (1969). Avionics Navigation Systems, Wiley.
[7] SMESTAD, T. (1976). Kalibrering av radionavigasjonshjelpemidlet VOR ved hjelp av treghetsnavigasjon, Norwegian Defence Research Establishment, Kjeller, Norway.
[8] TREVOR, A.V., WAIT, J.V. (1972). DARE 111B users manual, University of Arizona, USA.


BibTeX:
@article{MIC-1980-1-4,
  title={{VOR - Calibration by an Airborne Integrated Navigation System}},
  author={Smestad, Tore},
  journal={Modeling, Identification and Control},
  volume={1},
  number={1},
  pages={51--65},
  year={1980},
  doi={10.4173/mic.1980.1.4},
  publisher={Norwegian Society of Automatic Control}
};