Testing of Su-57 Avionics 'Complex'completed

The communications, navigation and surveillance systems of the Su-57 are described as an integrated avionics ‘complex’, featuring network centric architecture with a unique approach to embedded computer processing and data transmission. The Su-57 will eventually replace Russia’s multi-purpose fourth generation Su-27 fighter force.

“From the perspective of electronics engineers, modern fighters have already reached a level where sharp growth of their capabilities is no longer possible. However, we know that modernisation of their airframes, and engines could lead to a 20–30 percent advantage over their predecessors. At the same time, design of new ‘ brains’ ( or avionics) could result in an increase of their efficiency and combat capabilities by several times,” stated the Deputy Director General for Research and Development of Radioelectronic Technologies Concern.

The new “complex” is based on Russian multi- core chips and an operating system, which works within a real-time mode in close communications with other fighters, military transport aircraft and ground forces. This not only allows exchange of information with other fighters, but also performs a lead role, setting priorities during the Russion.

Prior to each Su-57 flight, a specific flight programme is loaded onto the flight management computer. This comprises intelligence data, information on weapon systems of the target, coordinates and other vital data, all this can also be adjusted during a combat mission, at any time. Sukhoi Design Bureau engineers describe the Su-57 avionics as “featuring a central computer which controls all aircraft systems, including weapons and is information for the pilot. The computer is simultaneously “an electronic pilot, an electronic navigator and an electronic flight engineer”, automatically recognising and determining adversaries and targets.

The Su-57’s onboard systems use fibre-optic channels. This transition from copper to optical fibre has allowed designers to significantly increase speed and volume of data transmission, while reducing weight of the cable, as also improving noise immunity.