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The methodology of using multicriteria analysis methods choosing the optimal architecture of the GLONASS space segment

Journal: RUDN Journal of Engineering Researches (Vol.22, No. 3)

Publication Date:

Authors : ;

Page : 261-269

Keywords : confident judgments method; multi-criteria optimization; criteria; criteria convolution; weighting factors; navigation services;

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The project presents a methodology for choosing the optimal architecture using, as an example, global navigation satellite system, namely its space segment. Several architectures of the GLONASS system were taken as an example for testing the methodology. The usage of traditional methods of multi-criteria analysis in this case is too way difficult due to the presence of a large number of particular navigation tasks, that often put forward contradictory and uncertain requirements for their resolution, the presence of a large number of private criteria, the need to involve a large number of decision makers (DM), and as a consequence, a conflict of interests, difficulty in setting weights, determining preferences, etc. The confident judgment method was used to implement the task. The system of private criteria was structured, taking into account the requirements of specific narrow segments, and their preferences were formed. After that, tables were built for each structure, according to the required number of criteria and for three different particular tasks, as well as to normalize and collapse the criteria for each task into one criterion. Then a set of Pareto-rational solutions and a rating of alternatives were formed. The final appearance of the system satisfied the requirements imposed by the consumer segment. Keyword

Last modified: 2022-02-24 22:15:16