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Multi-level reconfiguration in the hardware diagnostic support of the modern spacecrafts in the analysis technical condition of difficult high-integrated subsystems of an onboard complex to control


V.M. Novichkov – Ph. D. (Eng.), Associate Professor, Moscow Aviation Institute (National Research University). E-mail: A.E. Shirshakov – Ph. D. (Eng.), Deputy General Product Engineer, Lavochkin Research and Production Association (Khimki, Moscow region). E-mail: L.V. Savkin – Post-graduate Student, Lavochkin Research and Production Association (Khimki, Moscow region); Head of Departmant, Kaluga branch of Lavochkin Research and Production Association. E-mail:

In article features of the organization diagnostic support of onboard complexes to control (OCC) of the modern spacecrafts on the example spacecraft «Spektr R» are considered. New approach in the organization diagnostic support of the difficult high-integrated subsystems of OCC spacecraft, based on implementations of diagnostics and monitoring algorithms on the basis of the built-in recon-figurable computing systems (RCS) is offered. As a primary benefits of the diagnostic support constructed on the basis of RCS before program systems of monitoring and diagnostics the possibility of deep adaptation diagnostics and monitoring algorithms to BKU of spacecraft reached by means of the organization multi-level diagnosing hardware-software component of OCC and multi-level hardware reconfiguration of diagnostic support appears. In the first case the main emphasis is placed on division of all diagnostic signs of hardware-software failure of OCC into those classes failure which will correspond to strictly set hardware and programming levels of structural hierarchy OCC. In the second case of the maximum flexibility of diagnostic algorithms in the course of the analysis and identification of technical condition OCC it is offered to reach, using possibilities of multi-level hardware reconfiguration RCS. In this case it is about formation of the conditional hardware levels in the course of the hardware implementation diagnostics and monitoring algorithms in the reconfigurable computing field (RCF). This principle is offered to be used irrespective of functional and structural complexity diagnostic models realized by means of RCF. The skeleton diagram of diagnostic system OCC containing three units with multi-level reconfiguration constructed on the basis of programmable logic device in the composition is provided.


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