Trajectory Correction of Artillery Rockets using Jet Control System with Pulse Frequency modulation

Bojan Pavković

Military Technical Institute, Belgrade, Serbia, bjnpav@gmail.com

Danilo ćuk

Faculty of Mechanical Engineering, Belgrade, Serbia, cukd@eunet.rs

miloš Pavić

Military Technical Institute, Belgrade, Serbia, carlazar@beotel.rs

Abstract: Long range artillery rockets are used for an indirect fire on distant targets. As they have large impact point dispersion, they are considered as area weapon. Nevertheless, a control system is required in order to reduce the dispersion and increase hit probability. Pulse jet control system is simple and efficient enough to produce reasonable impact point dispersion. However, it is necessary to perform an optimization of control logic in order to obtain satisfactory performance with minimum number and intensity of control pulses. A new guidance scheme named as Trajectory Tracking with Pulse Frequency Modulation (TT with PFM) is presented, considering the fact that an artillery rocket flies through different atmospheric environment. Simulation studies have been conducted in order to perform parametric and performance analysis. Some advantages of TT with PFM over the method of Trajectory Tracking with Fixed Window Size are presented.