Abstract

The general need to develop additional diagnostic equipment is that a fairly large number of complex technical objects are currently in use, which are morally but not physically obsolete, and therefore it is not possible to abandon their use today. Radar 19Ж6 belongs to such objects. The level of diagnostic support for this radar does not meet the requirements for modern models of radio electronic weapons (REW). The 19Ж6 was replaced by another radar with significantly improved diagnostic support. An automated diagnostic complex of the Diana series is used to diagnose and repair modern radar systems of domestic production. This complex is designed to diagnose and restore complex digital and digital-to-analog standard replacement elements. It is possible to adapt a modern diagnostic complex to diagnose outdated equipment, but within the limited funding, it is economically impractical. Accordingly, there is a task to develop modern means of diagnosing typical replacement elements of the 19Ж6 radar, which can be used to equip stations. Within the framework of the overall task, a number of partial tasks can be identified. One of these tasks is the development of a general methodology and a structural diagram of the device for determining the verification test for digital standard replacement elements (SRE) from the 19Ж6 radar. Thus, the article is devoted to the development of a block diagram of the device for forming a diagnostic test as a component of the device for monitoring the technical condition of digital SRE. The structure of the device is completely determined by the methodology of the test structure. The result of the diagnostic test is a decision on the operability or inoperability of the SRE. The need for such diagnostics stems from the fact that the built-in technical diagnostic system does not detect a single inoperable TES, but detects a group of suspected inoperable SRE. To separate the inoperable digital device, it is necessary to use additional equipment. The paper proposes to use an energy-static diagnostic method, the essence of which is that the value of the voltage on an additional resistance, which is measured in a steady-state operation mode, is used as a diagnostic parameter. The method of designing the verification test is the method of experimental evaluation of the length of the test sequence, and the sequence itself is a pseudo-random sequence of input influences.

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