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REPUBLIC OF SERBIA MINISTRY OF DEFENCE
MINISTRY OF DEFENCE Material Resources Sector Defensive Technologies Department
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ANALYSIS AND COMPARISON OF A COMMAND GUIDANCE AND THE COMBINATION OF PROGRAMMED AND HOMING GUIDANCE
NOVAK ZAGRADJANIN MoD RS, Department for Defence Technologies, Belgrade, zagradjaninnovak@gmail.com STEVICA GRAOVAC School of Electrical Engineering, University of Belgrade, Serbia, graovac@etf.bg.ac.rs
Abstract: The applied missile guidance system, as well as the missile guidance method, has a significant influence on the technical and tactical performances of air defence systems. In this paper using MATLAB - Simulink program we analyzed the command to line of sight (CLOS) or three-point guidance and half leading guidance, as the most frequent methods in the group of command guidance methods, as well as the combination of programmed and homing guidance (proportional navigation). We simulated several scenarios of target trajectories and presented the results consisting in appropriate missile trajectories, final misses of target and profiles of missile normal acceleration. In order to analyse command guidance, we simulated the effects of the real tracker, dynamic model of the missile and autopilot. For the purpose of control the seeker, within the simulation and analyse of the combination of programmed and homing guidance we used heavy precession free gyroscope. Finally, we compared a command guidance and the combination of programmed and homing guidance in terms of final misses of target and maneuvering requirements for the missile, as well as in terms of advantages and disadvantages in the tactical area of using air defence systems. Keywords: command guidance, programmed guidance, homing.
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