A.S. Bogachev1, V.I. Merkulov2, I.R. Zagrebelnyi3

1–3 JSC Radio Engineering Corporation Vega (Moscow, Russia)

The analysis of the programs for the creation of fifth-generation aircraft and the architecture of their onboard complexes showed that the radio-electronic control systems of the 6th generation fighter will have a hierarchical multi-level, multi-channel structure. The main tool for system analysis of such a structure as complex technical systems is decomposition, which allows you to distinguish four levels of information processing.

The first (lower) hierarchical level is the level of preliminary analog and digital spatial, spatial-temporal and temporal processing of natural and artificial information (signal) fields and corresponding signals, as well as signals coming from external sources. At this level, signals are also distributed between information and control channels (ICS).

The second hierarchical level of information processing and management is the level of signal and video signal processing, complex primary signal processing, data exchange with storage devices (memory) of the third level of the hierarchy.

The third hierarchical level of information processing and management is the level of data processing and knowledge, complex information processing, generation of control signals in accordance with the functional purpose of the ICS.

The fourth (upper) network-centric level of information processing and management acts as a system hierarchical level of data processing and knowledge, management and information exchange.

In relation to the hierarchy levels, the directions of information processing and management are considered, which, first of all, include:

full-scale implementation of an on-board network-centric control system;

implementation of the «smart cladding» concept;

development and implementation of systems of unified coordinate-time support, monitoring of the interference situation and electromagnetic compatibility, integrity of radio navigation fields;

development and implementation of an information security system (cyber defense), a new generation state identification system;

widespread introduction of optical signal processing methods in radioelectronic ICS, transition from the use of photonics with micron-level technology to radiophotonics;

improving the performance, reliability and degree of intellectualization of the on-board computer systems, made in the form of a high-performance computing system of network architecture;

development of hierarchical architectures of general aircraft systems such as the avionics assistant system;

development and implementation of constructive adaptive algorithms for joint (complex) statistical processing of fields (signals) using analog-discrete methods of optimal estimation, as well as algorithms for joint detection and evaluation at the level of primary information processing;

development and implementation of adaptive algorithms for controlling radiofrequency ICS radiation in the spatial, space-time and time domains;

development and implementation of adaptive algorithms for controlling the aircraft signature;

development and implementation of adaptive algorithms for reconfiguration of the structure and architecture of the highly integrated on-board complex as a whole in case of failures, combat damage and in a complex interference environment.

In turn, the development of effective algorithms for solving management tasks includes: management of on-board resources; trajectory control of the fighter itself, including flight in a tight group; control of unmanned fighter modifications, including as part of a group; control of means of destruction based on non-stationary guidance methods; the use of electromagnetic weapons.

The implementation of the measures contained in the proposed directions for ensuring high efficiency and the development of multi-level, multi-channel information processing and hierarchical management in the radio-electronic control systems of the 6th generation fighter will require the use of a number of promising design technologies and, above all, such as ATIP integration and prototyping technology.

In the final part, conclusions are formulated based on the materials presented in the first, second and third parts of the article.

Bogachev A.S., Merkulov V.I., Zagrebelnyi I.R.  Radio-electronic control systems of sixth generation fighters. Part 3. Hierarchical levels of information processing and control formation. Directions of development. Achievements of modern radioelectronics. 2022. V. 76. № 10. P. 5–21. DOI: https://doi.org/10.18127/j20700784-202210-01 [in Russian]

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