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A Specific Method for Software Reliability of Digital Controller in NPP

Authors:
Young Jun Lee
Jong Yong Keum
Jang Soo Lee
Young Kuk Kim

Keywords: software reliability; digital controller in NPP; software life cycle; fault injection

Abstract:
Most new controllers used in the safety systems of nuclear power plants have been developed using digital systems, and conventional analog controllers are also increasingly being replaced with digital controllers. Therefore, the importance of software that operates within the digital controller of a nuclear power plant is further increased. This paper describes a reliability evaluation method for the software to be used for a specific operation of a digital nuclear power controller. It is possible to calculate the software reliability when obtaining the failure rate and utilizing the existing calculation method. We attempt to achieve differentiation by creating a new definition of the fault, imitating the software fault using the hardware, and giving the consideration and weights for injection faults

Pages: 30 to 33

Copyright: Copyright (c) IARIA, 2016

Publication date: July 24, 2016

Published in: conference

ISSN: 2519-8475

ISBN: 978-1-61208-497-8

Location: Nice, France

Dates: from July 24, 2016 to July 28, 2016