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  5. Selection of survival evaluation indicators оf the radio engineering troops formation

Selection of survival evaluation indicators оf the radio engineering troops formation

S. Hohoniants, V. Kryshchtnko, О. Kolesnik
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Description: The aim of this work is to improve the energy, the mass and the dimensional characteristics of the launch systems of gas turbine engines for helicopters. To launch the GTE helicopter, a two-loop system with a subordinate current loop is proposed. The presence of a current loop makes it possible to perform current cutoff and smooth control of the rate of current (torque) rise in a DC-free DC motor. The presence in the system of a brushless DC motor instead of its collector X and a quasi-resonant pulse converter switched at zero current leads to a reduction in the mass and dimensions of the power electrical equipment on board the helicopter and to a reduction in electromagnetic interference. The current loop is tuned to the finite duration of the process, taking into account its uncompensated time constant, which is determined by the filter time constants set at the output of the regulator and the current sensor, and also taking into account the specific electromagnetic processes in the system in the quasi resonance pulsed converter – brushless DC motor .Synthesis of the speed loop controller is performed according to the speed criterion taking into account the optimization results of the current loop. Based on the discrete transfer function of the speed loop controller, a difference equation is obtained whose solution is realized by a recursive digital filter in accordance with the proposed structural scheme. It is The article describes the radio engineering troops survivability indicators assessment during the participation in enemy air attack repelling. Based on the analysis of the scientific achievements of the predecessors, the experience of the last local wars and armed conflicts, the indicators and the criterion for assessing the the RET formation survivability are selected which provide an increase the evaluation objectivity and informativeness: the mathematical expectation of the share of the preserved radio engineering battalion, the probability of the radar battalion preservation and combat capabilities RET formation preservation. These indicators, in addition to the existing ones, provide a comparative assessment of the typical radar unit survivability under the same conditions of use. Indicators and the criterion using may create an opportunity to increase the objectivity and informativeness of the assessing the survivability result for the RET formation during participation in enemy air attack repelling into account the influence of additional factors. The article proposes an indicator estimation of combat capabilities by means of calculating the mathematical expectation of air targets number that are issued to consumers with a given quality. Such an estimate can be obtained by statistical processing of the simulation results of the radar battalion using d the participation in enemy air attack repelling. The simulation of the participation in air attack repelling, according to the chosen variant of action, can be accomplished by the statistical simulation method. The simulation of the radar battalion deploying will take into account the variants of the air attack actions, the change in the combat load of the enemy's aircraft, the probability of defeating the units by means of defeat. An example of a simulator complex can be used the radar battalion deployment model of taking into account the above requirements is the simulation complex of drawing action on the exercises "Virage-RD", which can be used for statistical evaluation of the values combat readiness’s indicators.The using of the proposed indicators for assessing survivability does not contradict existing scientific approaches and at the same time fills the studies of the survivability of the REV formation with a deeper meaning.


Keywords: formation of radio engineering troops, losses, survivability, participation in enemy air attack repelling

References

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Reference:
 Hohoniants, S.Yu., Kryshchenko, V.M. and Kolesnik, O.M. (2018), “Vybir pokaznykiv otsiniuvannia zhyvuchosti uhrupuvannia radiotekhnichnykh viisk” [Selection of survival evaluation indicators оf the radio engineering troops formation], Systems of Arms and Military Equipment, No. 4(56), pp. 7-12. https://doi.org/10.30748/soivt.2018.56.01.