Control System of Strapdown Inertial Navigation System on Parameter Space Approach 2002-01-0402
This paper describes some control adjustment orders used in the control system of strapdown inertial navigation system in a Cartesian system with the net method that derived from parameter space approach. The whole flying space divides into many nets due to the Mach number, dynamic pressure or altitude. In each net, the tolerance of aerodynamic gain is smaller than 15% of a nominal value. The better feedback gain can be chosen in according with the step response and frequency response in every net, With the change of the flying vehicle state, the feedback gains can be changed in order to suit the change of the aerodynamic parameters. It is a better method for the large range changes of the aerodynamic parameters in missiles during the flying.
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