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Lost sensor readings restore for axial neutron flux density distribution monitoring using archive data

Keywords:

A.M. Zagrebayev – Dr.Sc. (Phys.-Math.), Professor, Department of Cybernetic, National Research Nuclear University MEPhI (Moscow). E-mail: AMZagrebayev@mephi.ru
N.V. Ovsyannikova – Dr.Sc. (Phys.-Math.), Associate Professor, Department of Mathematical Software Systems, National Research Nuclear University MEPhI (Moscow). E-mail: NVOvsyannikova@mephi.ru
R.N. Ramazanov – Post-graduate Student, Department of Cybernetic, National Research Nuclear University MEPhI (Moscow). E-mail: petcazay@gmail.com


This article represents the technique for the restoration of axial neutron flux sensor lost readings in the core of a nuclear reactor. Approximation is suggested to be made as an expansion to the series of functions, adjusted in a certain way. The proposed technique enables to use accumulated data from an archive to restore the neutron field even after a serious loss of measurement information.
References:

  1. Zagrebayev A. M. et al. Mathematical modeling of a nuclear reactor under random perturbations of process parameters [in Russian] NRNU MEPhI. Moscow. 2011.
  2. Zagrebayev A.M. Restoring the axial distribution of the neutron field in a partial loss of measurement information [in Russian] Moscow. 2005.
  3. Kostanbayev S.V. Calculates measurement system control coolant flow channel of the RBMK reactor at information about the induced activity [in Russian] NRNU MEPhI. Moscow. 2010.
  4. Pugachev V.S. Theory of random functions and its applications to control problems [in Russian] Fizmatgiz. Moscow. 1960.

June 24, 2020
May 29, 2020

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