E.A. Fedorov - Lavochkin Research and Production Association E-mail: grumenel@gmail.com A.E. Maslov - Lavochkin Research and Production Association E-mail: Sk1d@inbox.ru M.V. Pirogov - Ph.D. (Phis.-Math.), Lavochkin Research and Production Association E-mail: pmv_mvp@mail.ru

The onboard complex of control is the system (a complex of systems) located onboard the spacecraft and allowing to control of the Basis of an onboard complex of control - computing means, new design-technology decisions, application of the modern element basis and the software. In the software, diversiform functions of monitoring and control of the spacecraft are concentrated. The tendency of concentration of such functions in the onboard computing system (in the software) continues to amplify. The onboard complex of control is considered as difficult purposeful management system by the spacecraft in case of execution of the target task according to the given working program created by the automated complex of planning and control which is on Earth (also being difficult purposeful system). Both the considerable achievements, and the serious problems, which aren-t finding still satisfactory solution, in general are characteristic of purposeful systems. The role of program technical means, (which are also purposeful systems) permanently and quickly increases. Meanwhile, not only the considerable achievements, but also the basic and not solved properly problems are also characteristic of the modern program technical means. Key concept for purposeful systems is the concept of information and system safety. A way to support of information and system safety - intellectualization of purposeful systems - ability is successful to solve emergency problems based on formali-zation of problem area and implementation of the appropriate formal descriptions by means of program technical means. Support of information and system safety requires carrying out systematic and careful researches in the field of simulation and programming for purposeful systems (for an onboard complex of control and an automated complex of planning and control). The purpose - receiving the new, more effective and well-tried remedies based on application of program technical means and suitable in practice for the solution of tasks of life cycle of purposeful systems. The onboard complex of control has complex structure and functioning. Development mathematical and the software is essential here. Meanwhile, the uniform complex of means providing instrumental and methodological support of development process of the software of logic of functioning of the spacecraft no. Therefore, researches in this area are necessary. The analysis of methods and funds of the modern informatics from line items of their use in case of software development of systems of automation of problem area of purposeful systems speaks about relevancy of their opportunities. Nevertheless, by results of the carried-out analysis the conclusion oh, strictly speaking, insufficiency of means of the modern informatics from the point of view of tasks of life cycle of purposeful systems is drawn. The new, uniform software of program technical means of purposeful systems in the basis is necessary. The methods of mathematical simulation corresponding to the actual level of complexity of solvable tasks and allowing to envelop in practice all problem area, all significant objects and communications taking into account their activation are necessary. As a basis for simulation of problem area of an onboard complex of control (and an automated complex of planning of control), radical simulation of purposeful systems and the radical programming based on it is selected. Radical simulation is based on the concept of the environment of radicals, a formalism of diagrams of radicals (the universal language of diagrams of radicals RADICAL) and use of opportunities of the modern program technical means. Radical simulation is oriented on the solution of practical tasks of life cycle of purposeful systems, on development and the analysis of the formal descriptions of problem area for the purpose of creation and modification of program technical means. Short data on the RADICAL language are provided. Some diagrams of radicals characteristic of problem area of an onboard complex of control, an automated complex of planning and control, and also for their interaction are considered. It is possible to draw a conclusion on applicability of radical simulation as a basis for automation of development of an onboard complex of control of the spacecraft and support of its interaction with a complex of planning and control, and on feasibility of systematic implementation of means of radical simulation in practice. Work on separation of the universal diagrams of the radicals characteristic of purposeful systems is necessary. There is a possibility of reasonable, real and systematic unification of purposeful systems. Among the possible directions of researches in the field of radical simulation it is necessary to select as especially important and prime from the practical point of view (for an onboard complex of control and an automated complex of planning and control), development of the atlas of diagrams of the radicals characteristic of these purposeful systems, and also development of the editor of diagrams of radicals. Also development and development of the environment of simulation of an onboard complex of control and an automated complex of planning and control and their interaction on the basis of application of radical simulation and the modern program technical means is expedient.

 

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