Abstract
The national security and defense capability of the state is largely determined by the level of equipping the armed forces with modern weapons and military equipment. An important point in the rearmament of the army is the high-quality and timely testing of the latest military models, which, to a large extent, is ensured by successful and systematic planning and management of test activities. The automated test support information system is aimed at solving such problems. During the IDEF0 notation, functional modeling of the armaments and military equipment testing system was designed, which allowed to determine the system-wide characteristics of information flows, but did not allow obtaining models performance evaluation. Existing methods for estimating distributed structures, as a rule, are reduced to estimating the connectivity of graph models and do not take into account the features of the interface of the IDEF0 notation functions.The article considers the issue of evaluation of functional models at the pre-design stage. A method for estimating the functional connectivity of processes in the functional modeling of complex systems using graph-ical notation IDEF0 and using automated design tools is proposed. The estimation has clear logical limits and is sensitive to changes in the parameters of the evaluated model. Due to the different importance of connections provided by the graphical notation interface IDEF0, it is proposed to use a scale of importance of the type of connection, which reflects the assessment of the connectedness of functions of strong or weak types of connections, and, accordingly, the success and rationality of functional configuration models. Estimates of the functional model of the weapons and military equipment test system are obtained.The use of the proposed evaluation method will allow to compare the structures of functional models of complex systems at the stage of pre-design studies
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