Methodology for justifying the requirements for the instrument base of the non-destructive testing laboratory of technological equipment for groundbased space infrastructure

Аuthors

Astankov A. M.^*, Stelmakh S. F.^*, Golovchanskaya N. V.^*

Mlitary spaсe Aсademy named after A.F. Mozhaisky, St. Petersburg, Russia

*e-mail: vka@mil.ru

Abstract

The paper shows that at present, in conditions of the need to increase the number of launch vehicles, the complexity of modern technological equipment at spaceports, and stricter operating modes affecting the service life of modern technology, the problem of ensuring efficient, reliable and safe operation of ground-based space infrastructure facilities is becoming extremely urgent. At the same time, carrying out such measures as non-destructive testing of the technical condition, forecasting the remaining life of technological equipment, timely partial replacement of its components and their repair, resulting in an increase in the service life of these facilities, become economically and technically feasible. 
The article discusses the main types and methods of non-destructive control of technological equipment of groundbased space infrastructure facilities, which allow for the examination of materials or parts, assemblies, in order to assess their integrity, properties, composition, and measurement of geometric characteristics by detecting and localizing defects and measuring their parameters using methods that do not impair the subsequent operation, suitability, and reliability. The specified methods are implemented using various non-destructive control devices, the set of which is currently characterized by a large nomenclature and variety of corresponding measuring instruments, having different technical, cost characteristics and parameters of functioning.
The relevance of developing a methodology for substantiating the requirements for the composition of the instrument-dase of the non-destructive control laboratory has been shown, the practical implementation of which is aimed at the formation of a set diagno stic equipment that solves the tasks of assessing the technical condition of control objects with the greatest efficiency, as well as predicting the remaining life of the elements, systems, timely partial replacement of maintenance components and their repair, which result in an increase in the service life of groundbased space infrastructure facilities, become economically and technically feasible.The proposed methodology is based on the use of mathematical models that use normalized estimates of weighted averages for the attractiveness of diagnostic laboratory equipment, such as reliability, sensitivity, accuracy, informativeness, performance, cost, safety, and others. The practical significance of the developed methodology is shown and recommendations for its application are formulated.

Keywords:

non-destructive testing, technological equipment, ground-based space infrastructure, technical condition, instrument base, diagnostic equipment, evaluations, indicators, alternatives

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