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UDC 629.7.054 DOI: 10.14529/ctcr150209 Inspection Method of Angular Deviation of IO ASD Actual Position Relative to Its Reference Target Position on GSP. Development of Mathematical Simulation Model M.S. Degtyarev, Ural Federal University named after the First President of Russia B.N. Yeltsin, JSC “Scientific & Production Association of Automatics named after Academician N.A. Semikhatov”, Ekaterinburg, Russian Federation, degtermisha@mail.ruAbstractThe paper focuses on a method of determining and monitoring the angular deviation of the actual position of an optical astro-sighting device instrument (IO ASD) relative to its reference target position on a gyrostabilized platform (GSP). The paper represents the analysis of the coordinate system (CoS) of a three-stage gyrostabilizer (TGS) with IO ASD and analytic expressions which allow to implement the presented method. A mathematical simulation model has been developed that allows to process test results of TGS. The results of the mathematical simulation model in MachCad 15 software for the input parameters of real TGS devices are given. The paper considers the values of standard deviation (SD) of parameters of the angular deviation of IO ASD actual position relative to its reference target position on GSP obtained by the simulation results and the results of test operations on real TGS devices. The paper represents the adequate assessment of the simulation model results to the results obtained in the tests. KeywordsIO ASD, TGS, GSP, CoS, control system (CS), astrocorrection, control element (CE), angular position, mathematical simulation model References1. Kamenskiy A.M. Teoriya astronomicheskoy korrektsii [Theory of Astronomical Correction]. Moscow, Mashinostroenie Publ., 1974. 220 p. 2. Ilyukhin I.M., Dikarev V.N. Optiko-elektronnye pribory uglovoy orientatsii kosmicheskikh letatel'nykh apparatov [Optical Electric Equipment of Space Vehicle Angular Attitude]. Moscow, Bauman Moscow State University Publ., 1999. 44 р. 3. Degtyarev M.S. [Inspection Method of IO ASD Angular Position Relative to Coordinate system of Gyrostabilized Platform]. Bulletin of Samara State Aerospace University named after the academician S.P Korolev, 2014, no. 1 (43), pp. 189–193. (in Russ.) SourceBulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control, Radio Electronics, 2015, vol. 15, no. 2, pp. 83-90. (in Russ.) (Modeling and Computer Technologies) |