AN IMPROVED GUIDANCE ALGORITHM FOR SOLID PROPELLENT BALLISTIC MISSILES

Document Type : Original Article

Authors

1 Asc.Prof. Guid.Dep.M.T.C.

2 Asc.Prof. D.S.S.C.

3 Ph.D. Air Def.College.

Abstract

Due to production tolerences and off-nominal environmental conditions, the thrust time profile of solid propellant rocket motors suffers from high uncertainties in both magnitude and burn-out time. This behaviour leads to higher uncertainties in the motion parameters of the missile at the shut-off (burn-out) point. Accordingly, the impact point is highly erroneous.
This paper develops a guidance and control strategy for compensating the effects of the above-mentioned uncertainties in
such a way as to minimize impact errors.