TECHNICAL MECHANICS
ISSN (Print): 1561-9184, ISSN (Online): 2616-6380

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UDC 621.002.56

Technical mechanics, 2023, 3, 58 - 67

FEATURES OF EXPECTED COST ESTIMATION FOR R&D’S ON SPACECRAFT DEVELOPMENT

DOI: https://doi.org/10.15407/itm2023.03.058

Sazina N. P., Zhukova L. H.

Sazina N. P.
Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine

Zhukova L. H.
Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine

      The aim of this work is to identify the features of expected cost estimation for R&D’s on spacecraft development.
      The study is based on a methodological approach to expected cost estimation for R&D’s on spacecraft development. The cost estimation model is based on a method of componentwise analogy for relatively simple spacecraft components, moving along the edges of a weighted oriented tree graph that models the spacecraft technical structure, and fuzzy mathematics methods. The methodological approach will allow one to obtain required R&D expected cost indices early in the spacecraft development when the standardized cost estimation method and parametric methods are difficult to use because of the insufficiency of bug-free design and manufacture documentation and statistical data on labor intensiveness and materials consumption.
      The design novelty, R&D complexity, and work automation coefficients are determined by converting the index value from a fuzzy number in a fuzzy interval into a crisp number, thus allowing one to reduce the effect of subjective factors.
      Calculating the engineering-and-economical indices of a spacecraft by all R&D participants using the same methodological approach increases the accuracy and shortens the time of the computational process. Conducting the calculations in a systematic way will fill the statistical base of the space sector with labor intensiveness and materials consumption data needed for estimating the cost of new spacecraft and components thereof using a unified concept package – a glossary.
      The paper presents the operation sequence of estimating the cost of R&D on spacecraft development and describes the required input data and the output data format.
     

cost estimation model, R&D, procedure, spacecraft, cost estimation

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