Justification of the backbone role of navigation and ballistic support in developing a control loop for advanced space systems
The implementation of ambitious plans for the creation and deployment of advanced space systems (SS) requires the early technological modernization based on new principles of ground and orbital control segments. The article analyzes the basic principles of organizing the control of prospective SS based on the study of new quality requirements for them. These principles are manifested most comprehensively and vividly in the organization of the promising low-orbit observing SS control. The features of the organization of control and the application of mission-oriented advanced low-orbit observing SS in terms of navigation and ballistic control support are considered. The substantiation of the need for using a high-precision navigation and ballistic support (NBS) system as a backbone control element for advanced space systems is made. Obviously, the best navigation accuracy can be obtained only using the GNSS measurement information. However, the implementation of navigation technology based on interval processing of both ground-based measuring information and GNSS code measurements is not sufficient to meet the requirements. In this regard, it is proposed to assess the effect of using phase measurements, systems of functional additions assisting data, as well as special information processing technologies in the positioning of SS. The substantiation of the optimal parameter composition of mathematical models of motion for the SS in low orbits in terms of the composition of the Earth’s geopotential harmonics, atmospheric model, light pressure, taking into account the gravitational effect of the planets was carried out. The budget for systematic offset errors in the processing of code and phase measurements of the navigation receiver, which can be used with varying requirements for navigation accuracy, is described. The ways of building the high-precision navigation-ballistic support loop and organization of its information-logical interaction are revealed
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