RU2645006C1 - Method of testing the protection systems of objects from precision-guided munition - Google Patents

Abstract

FIELD: military equipment.

SUBSTANCE: invention relates to defense technology, in particular to the field of weapon testing, and can be used in testing systems to protect objects from damage by precision-guided munition (PGM). For this purpose, beforehand at the given altitude, direction and range to the object, both with means of protection functioning in the nominal mode, and without them, measure the parameters of radiation and store them, generate the signals of the target environment by prolonging the measured values of the radiation parameters, and simulate the PGM guidance loop.

EFFECT: technical result is the expansion of functional capabilities on the basis of obtaining estimates of enemy's PGM misses that are adequate to the real target environment determined by the conditions for the operation of object protection systems.

1 cl, 1 dwg

Description

The invention relates to defense technology, in particular to the field of weapons testing, and can be used in testing systems for protecting objects from destruction by high-precision weapons (WTO).

There is a method of field tests of aircraft or ship weapons with guided missiles, which consists in placing a launcher with guided missiles and a missile control system on a support structure, and a simulated target beyond the boundaries of the visible horizon at a point with specified coordinates, forming a control system for control signals, and searching for a system control the simulated target and point the missile at it, launch the rocket, aligning the control system marker with the center of the image of the simulated target and Euodias control system in the automatic tracking mode of the simulated target, the recording and processing of data transmitted by the control system [see., e.g., Patent RU 2299394, C1, F41J 1/18, publ. 05/20/2007, bull. No. 14].

The disadvantage of this method is the need to launch a VTO, the guidance loop parameters of which do not correspond to the parameters of the enemy’s VTO guidance loops, as well as modeling the background target environment (FSO) without taking into account the influence of the characteristics of objects and their protection systems.

The closest in technical essence to the claimed invention is a method based on the use of a test bench [see, for example, patent RU 2263869, C1, F41G 3/26, G09B 9/08, publ. November 10, 2005, bull. No. 31], in which the phono-target environment is simulated by generating signals in accordance with the specified parameters and emitting them in the direction of the homing head (GOS), which includes real equipment of the onboard control complex. They receive signals from the background sound conditions of the GOS, which tracks them. Model the guidance of the WTO on the target, that is, reduce the distance between the target simulator and the targeting head by moving the signal source of the phono-target situation relative to the GOS, and estimate the miss.

The disadvantage of this method is the inadequacy of modeling processes for the actual operating conditions of systems for protecting objects from WTO damage, due to the use of guidance heads of the domestic WTO, the parameters of the guidance circuits of which do not correspond to the parameters of the guidance circuits of the enemy’s WTO, as well as modeling the phono-target environment without taking into account the influence of the characteristics of objects and their protection systems .

The technical result of the invention is the elimination of this drawback, which improves the accuracy of determining miss.

The specified technical result is achieved by the fact that in the known method of testing systems for protecting objects from being hit by high-precision weapons, based on the formation of signals of the phono-target situation and the assessment of missile defense, according to the invention, at a predetermined height, direction and distance to the object, as with protective means operating in in the normal mode, and without them, they measure the parameters of radiation and store them, form signals of the phono-target environment by prolonging the measured values of the parameters of radiation and model the guidance loop of the WTO.

The essence of the invention lies in the fact that at a predetermined height, direction and distance to the object, both with protective equipment operating in the normal mode and without them, the radiation parameters are measured and stored, the phono-target environment signals are generated by prolonging the measured radiation parameter values and model the WTO guidance loop.

Measurement of the parameters of the object’s radiation, reflected signals from it, and radiation from protective equipment operating in the normal mode, provides the acquisition and accumulation of information about radiation. Due to the fact that the measurements are carried out in real conditions, the obtained information about the object (both during the operation of the protection systems and without them) will coincide with the information at the input of the enemy’s WTO guidance head if it were at the point of measurement. Measurements are carried out repeatedly at several points on a typical trajectory of the WTO attack on an object. Each measurement point corresponds to a given height, direction and range. The received information is stored.

Subsequently, by prolonging (recounting) the obtained information, a phono-target environment is formed and the guidance path of the WTO is modeled. Recalculation is carried out taking into account the influence of signal propagation conditions, the range of possible environmental parameters (humidity, temperature, illumination, transparency of the atmosphere) and other factors. The guidance path of the WTO is modeled with parameters corresponding to the parameters of the guidance loop of a specific type of enemy’s WTO. Based on the simulation results, the WTO miss is estimated.

This achieves the technical result indicated in the invention.

The method can be implemented using a mobile complex of testing systems for protecting objects from damage by high-precision weapons, the structural diagram of which is shown in figure 1, where it is indicated: 1 - slewing ring; 2 - N-channel measuring and recording unit; 3.1 ... 3.N - signal receivers of the corresponding ranges; 4.1 ... 4.N - analog-to-digital converters (ADC); 5 - receiver device equipment global navigation satellite system (GNSS); 6 - block measuring range; 7 - information storage device; 8 - data input unit, 9 - phono-target environment simulator, 10 - control unit, 11 - WTO guidance loop modeling block.

The mobile complex of testing systems for protecting objects from damage to the WTO contains a control unit, a rotary support device and a simulator of the phono-target situation, while the rotary support device is equipped with a lifting platform and a range measuring unit, a GNSS receiver and an N-channel measuring and recording device are installed on it a unit, each of whose channels operates in the corresponding frequency range (radio, infrared, visible) and contains a signal receiver and analog-to-digital signal connected in series a converter, as well as an information storage device having N + 3 inputs, a data input unit and a WTO guidance loop modeling unit, wherein the output of each n-th channel of the measuring and recording unit, where n = 1 ... N, is connected to the corresponding input of the information storage device, the output of which is connected to the first input of the simulator of the phono-target situation, the output of the range measuring unit and the output of the GNSS equipment receiving device are connected, respectively, to the N + 1 and N + 2 inputs of the information storage device; the first, second and third outputs of the control unit are connected, respectively, with the N + 3rd input of the information storage device, the first input of the slewing ring device and the second input of the WTO guidance loop modeling unit, and the first and second outputs of the data input unit are connected, respectively, with the second input of the slewing ring device and the third input of the WTO guidance loop modeling block.

Measuring and recording unit 2 is designed to obtain information about the radiation of the object to be protected from the defeat of the WTO, in the application of systems and protective equipment, as well as the conversion of measurement results into a digital code. The radiation of the object and the reflection of signals from it are recorded in the dynamics of the protection systems.

The receivers of the signals of the measuring and recording unit 2 in the radio range can be performed, for example, according to standard designs for the construction of receiving and analyzing equipment [see, for example, Dudnik P.I., Ilchuk A.R., Tatarsky B.G. Multifunctional radar systems. - M.: Bustard, 2007, p. 41-55]. In the infrared and visible ranges, well-known algorithms for detecting and tracking objects are applicable [see, for example, Alpatov B.A., Babayan P.V., Balashov O.E., Stepashkin A.I. Methods for automatic detection and tracking of objects. Image processing and management. - M .: Radio engineering, 2008, p. 73-135]. The signal receivers can be made for different frequency subbands. The received information is converted to digital form using typical ADCs.

The information storage device 7 is designed to store information received by the N-channel measuring and recording unit 2. For its implementation, for example, digital devices for recording and reproducing signals can be used [see, for example, Dobykin V.D., Kupriyanov A.I. , Ponomarev V.G., Shustov L.N. Electronic warfare. Digital storing and reproduction of radio signals and electromagnetic waves. - M.: University Book, 2009, p. 221-263].

The simulator of the phono-target environment 9 is designed to recalculate data from the information storage device 7, obtained at the measurement points, to other distances of the WTO motion path to simulate the guidance loop operation. Calculations in the radio range can be performed, for example, using known methods for calculating the propagation of radio waves [see, for example, Dolukhanov MP Propagation of radio waves. Textbook for high schools. - M .: Communication, 1972, p. 19-24]. Recalculation to other observation conditions in the infrared and visible ranges can be performed, for example, according to the methods described in [Alpatov B.A., Babayan P.V., Balashov O.E., Stepashkin A.I. Methods for automatic detection and tracking of objects. Image processing and management. - M .: Radio engineering, 2008, p. 66-73, 75-76, 95-101].

The WTO 11 guidance loop modeling block can be performed according to standard guidance loop modeling schemes containing a homing head model, command shaper, stabilization loop, and kinematic link, similar to those described in the well-known literature [see, for example, Karpukhin V.I., Kozlov S. V., Lazarenkov S.M. Conflict models of aviation systems of electronic warfare and air defense. Monograph. - Voronezh: VSC VVA VVA, 2013, p. 221-358]. Parameters for modeling the functioning of a particular type of WTO come from the data input unit 8, into which they are entered on the basis of the enemy's WTO models. The output parameters of block 11 are the misses of the WTO.

The control unit ensures the operation of the entire mobile complex of testing systems for protecting objects from WTO damage.

The complex works as follows.

In the course of testing the systems for protecting objects from WTO damage, the complex solves two main tasks:

receiving and accumulating information about the radiation of an object and the reflections of signals from it, including when using protection systems and the presence of interfering radiation, by taking measurements (preparatory work);

guidance loop modeling and WTO slip estimation.

The preparatory work is carried out on the ground in the area of the location of the object to be protected from the defeat of the WTO (object of protection). At the same time, elements of the protection system are located in the area of the protection object in accordance with operational requirements and operate normally. For measurements, the complex is placed at a predetermined distance from the object of protection, and the measuring and recording unit is raised to a predetermined height. The distance and height are set in accordance with the test conditions, which are determined, for example, by the type of WTO and its tactical and technical characteristics, application features, and terrain. The measurement results are stored in an information storage device.

Due to the fact that the measurements are carried out in real conditions, the obtained information about the object (both during the operation of the protection systems and without them) will coincide with the information at the input of the enemy’s WTO guidance head if it were at the point of measurement. Measurements are carried out repeatedly for various viewing angles and directions of possible attacks on the object.

Subsequently, according to the information obtained during the preparatory work, in the simulator of the phono-target situation, the values of the experimentally obtained signal parameters are extended at the measurement points to simulate the operation of the WTO guidance loop. Recalculation is carried out taking into account the influence of signal propagation conditions, the range of possible environmental parameters (humidity, temperature, illumination, transparency of the atmosphere) and other factors. The guidance path of the WTO is modeled with parameters corresponding to the parameters of the guidance loop of a specific type of enemy’s WTO. Based on the simulation results, the WTO miss is estimated.

At the preparatory stage, the complex is located in the area of the object of protection at a distance, within the length of the final section of the WTO guidance (hundreds of meters, units of kilometers). According to the data of block 8, with respect to the characteristics of a specific type of WTO, the N-channel measuring and recording unit 2 is lifted and oriented in space. Using the range measuring unit 6 and the receiver of GNSS equipment 5, spatial characteristics of the relative position of the measuring registering unit 2 and the object of protection. Measurements are made of the emitting and reflecting parameters of the object in the dynamics of the functioning of the protection system in real conditions of the federal center. Measurements are taken at several points on the final section of the WTO guidance path. The results are stored in the information storage device 7.

At the second stage, on the basis of the results of field tests containing information on the parameters of the FCO, in block 11, the modeling of the guidance loop of the WTO is carried out. The parameters of the guidance loop of a specific type are introduced based on the existing models of the enemy's WTO. Reproduction of the dynamics of the functioning of the WTO guidance loop can be carried out, for example, on the basis of the methods of “statistical equivalents” and discrete approximation of the transfer functions of the dynamic links of the circuit, which allow the use of recursive difference algorithms for calculating the missile error of the WTO, the description of which is given in [Karpukhin V.I., Kozlov S.V., Lazarenkov S.M. Conflict models of aviation systems of electronic warfare and air defense. Monograph. - Voronezh: VSC VVA VVA, 2013, p. 221-358]. Based on the simulation results, the WTO misses are determined.

The proposed method of testing systems for protecting objects from damage by high-precision weapons makes it possible to adequately simulate the guidance contour and evaluate the missile defense error, since radiation parameters are measured in real conditions of the central federal district and the operation of defense systems, and modeling is carried out in relation to the enemy’s airborne weapons, which ensures the achievement of the invention technical result.

Claims (1)

A method of testing systems for protecting objects from being hit by high-precision weapons (WTO), based on the formation of signals of the phono-target situation and the assessment of a missile defense accuracy, characterized in that it is preliminarily set at a predetermined height, direction and distance to the object, both with standard-functioning protective equipment and without them, they measure the parameters of the radiation and store them, form the signals of the phono-target environment by prolonging the measured values of the parameters of the radiation and model the guidance loop of the WTO.

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