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  5. Model of evaluation of information processing in the navigation systems of winged rockets under conditions of uncertainty

Model of evaluation of information processing in the navigation systems of winged rockets under conditions of uncertainty

S. Herasimov
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Description: The role of cruise missiles in the achievement of both partial tasks and the goal of the operation as a whole in the course of combat operations is shown. The features of the use of cruise missiles are given. It is substantiated that during a flight a cruise missile on a specified route needs to adjust the data of the navigation system. Therefore, the actual question is the study of the operation of cruise missile navigation systems in uncertain conditions. Knowledge of this issue will allow us to analyze and substantiate the tactical and technical characteristics of the means of air defense. The deficiencies of existing navigation systems in real-time flight are identified. It is proposed for an effective defeat of targets with cruise missiles with an uncertain location in the conditions of the enemy's use of air defense capabilities to analyze the peculiarities of navigation systems functioning in conditions of uncertainty. The purpose of the article is to determine the main relations for the theoretical substantiation of the peculiarities of the functioning of navigation systems of cruise missiles in conditions of uncertainty. The complexity of the structure of the errors of navigation systems as functions of time, the uniqueness of their realizations, is determined by the influence of a number of ignored factors, which require the use of their models of random functions for their description. Since the uncertainty of the main factors of navigation systems is of a stochastic nature, the main properties and the procedure for taking random processes into account in modern inertial navigation systems are shown. The conditions for achieving high accuracy of determining the parameters of navigation and dispersion of errors in the determination of coordinates by cruise control systems during flight are determined. From the analysis of the peculiarities of the functioning of navigation systems in the conditions of uncertainty, it was established that the question of the meaningful introduction of a probabilistic space has not only a methodological nature. This provides the mathematical correctness of the analysis, reveals the content of the average accuracy characteristics to be used in the tasks of the analysis and synthesis of navigation systems of cruise missiles during the flight.


Keywords: navigation system, cruise missile, coordinate determination, accuracy, real time of flight, uncertainty

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Reference:
 Herasymov, S.V. (2019), “Model otsinky pokhybky obrobky informatsii u navihatsiinykh systemakh krylatykh raket v umovakh nevyznachenosti” [Model of evaluation of information processing in the navigation systems of winged rockets under conditions of uncertainty], Science and Technology of the Air Force of Ukraine, No. 2(35), pp. 151-157. https://doi.org/10.30748/nitps.2019.35.19.