1989•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

Sequential probability ratio tests for reactor signal validation and sensor surveillance applications

Keith Humenik, K.C. Gross

Abstract

This paper examines the properties of sequential probability ratio tests (SPRT's) and the application of these tests to nuclear power reactor operation. Recently SPRT's have been applied to delayed-neutron (DN) signal data analysis using actual reactor data from the Experimental Breeder Reactor-II, which is operated by Argonne National Laboratory. The implementation of this research as part of an expert system is described. Mathematical properties of the SPRT are investigated, and theoretical results are validated with tests that use DN-signal data taken from the EBR-II in Idaho. Variations of the basic SPRT and applications to general signal validation are also explored. 16 refs., 3 figs.

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Key concepts: Computer science, SIGNAL (programming language), Sequential probability ratio test, Signal processing, Algorithm, Computer hardware, Digital signal processing, Programming language