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This paper deals with the Complex Simulation Model of Human Organism (HOCSM) intended for various problems' solutions of the Manned Space Objects Ecological and Technical System (ETS) development. Among the fundamental problems of the ETS development requiring the HOCSM adaptation are: (a) forming the mass and energetic loads of spacecraft crew for the simulation of the ETS functions; (b) the investigation of environment effects on a human organism and its responses; (c) the analysis of interactions between the crew and the individual life support system or its functional blocks; (d) the decisions of design problems for development of the anti exposure and space suits. The HOCSM, under consideration, is based on the general theory of functional systems and includes formalistic descriptions of following human organism functional systems: a cardiovascular systems, an external respiration system, a thermoregulation system and a water-salt balance system.

This paper deals with a Functions Analysis of the Integrated Regenerative Life Support System (IRLSS) that is of primary importance in forming the functional description and in predetermining the information description when in use the systems approach for the IRLSS Design. In order to attack the function temporary laws of the IRLSS subsystems and functional blocks the following the principal questions are going to consider: (a) formulating the mains' problems that may be settled when use of the function's analysis and choosing of the methods making available their solutions; (b) forming the mathematical descriptions of the technological processes and working on this basis the simulation models for the subsystem apparatuses; (c) creating the methodological and information support and associated software. The employment of given software for the solution of the design's individual problems and the some results obtained in computed experiments will discuss also.

This paper deals with a Systems Approach for the Design of an Integrated Regenerative Life Support system (he IRLSS) based on physico-chemical methods of transforming of the crew metabolic-waste products to the controlled human environment components. To solve the initial problem of the technology's synthesis the following principal questions are going to be considered: (a) the formation of alternatives discrete set; (b) the elaboration of the integral and hypothesis structure fr IRLSS and its formal description; (c) the creation of the methodology and information support and the associated software. The IRLSS database and the application of the given software for the solution of the design's individual problems will also be discussed.

This paper deals with the Functions Simulation Model (FSM) of the Manned Space Orbital Station Integrated Life Support System (IRLSS) intended to research its functions temporary responses by the design and complex tests. The FSM in use repeats the Manned Space Orbital Station Ecologica-Technical System (ETS) structure and includes the formalistic functional description of the IRLSS subsystem and the environment links: the Manned Space Orbital Station design, the Spaceship Crew (CREW), the Space Cabin Atmosphere (SCA) the Thermal Control System (TCS), the Energy-Support System (ESS) and the auxiliary systems. The formalistic functional descriptions of the IRLSS subsystems are based on its presentation in the form terminal automata with the functional target of the internal states space. The given simulation model is correlated to data from the IRLSS ground complex tests of the orbital space station “Mir” habitable module.