Accurate INS Transfer Alignment Using a Monitor Gyro and External Navigation Measurements
- 1 January 1980
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Aerospace and Electronic Systems
- Vol. AES-16 (1) , 53-65
- https://doi.org/10.1109/taes.1980.308876
Abstract
A particular alignment mechanization for a nonmaneuvering vehicle is described which uses a monitor gyro to estimate the slave inertial navigation system (INS) equivalent east gyro drift rate and thus improves azimuth alignment. A state-space model of the dynamic system with measurements is developed. Results of covariance simulations employing Kalman filter estimation are presented for two master INS position update scenarios, one involving frequent and very accurate updates and the other including infrequent and coarse updates. The ef fects of position updates and the monitor gyro on the quality of transfer alignment are demonstrated and analyzed.Keywords
This publication has 7 references indexed in Scilit:
- Alignment performance of an inertial navigation system in a low level seismic environmentPublished by American Institute of Aeronautics and Astronautics (AIAA) ,1977
- A Comparison of Two Approaches to Pure-Inertial and Doppler-Inertial Error AnalysisIEEE Transactions on Aerospace and Electronic Systems, 1975
- Strapdown inertial system alignment using statistical filters - A simplified formulation.AIAA Journal, 1973
- In-Flight Alignment and Calibration of Inertial Measurement Units¿Part I: General FormulationIEEE Transactions on Aerospace and Electronic Systems, 1972
- The Kalman filter in transfer alignment of inertial guidance systems.Journal of Spacecraft and Rockets, 1968
- Optimum Alignment of an Inertial AutonavigatorIEEE Transactions on Aerospace and Electronic Systems, 1967
- Synthesis of a Very Accurate Inertial Navigation SystemIEEE Transactions on Aerospace and Navigational Electronics, 1965