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Checkability of the digital components in safety-critical systems: Problems and solutions

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5 Author(s)
Drozd, A. ; Odessa Nat. Tech. Univ., Odessa, Ukraine ; Kharchenko, V. ; Antoshchuk, S. ; Sulima, J.
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Particularities of on-line testing for digital components in safety-critical Instrumentation and Control systems (I&CS) are analyzed. A problem of on-line testing associated with insufficient checkability of the digital components in safety-critical I&CS (reactor trip system) is considered. A method of checkability estimation is offered. An example of comparator checkability assessment is shown. An approach to increase checkability of the digital components is proposed.

Published in:

Design & Test Symposium (EWDTS), 2011 9th East-West

Date of Conference:

9-12 Sept. 2011