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Development of an Accelerator Safety System Using IEC 61508 and Design Pattern

Authors:
Hao Zhang
Elder Matias

Keywords: Keywords-IEC 61508; ACIS; Design Patterns

Abstract:
For particle accelerator facilities, Access Control and Interlock Systems (ACIS) are required to protect personnel from radiation hazards associated with accelerator operations. As an early adopter of IEC 61508 standard for safety system development, the Canadian Light Source, Inc. (CLS) faced several challenges in how to design engineering processes around the standard that reflected the safety requirements as well as the domain specific environment that we were working within. This industrial report outlines some of the challenges, considerations, and decisions on the adoption of IEC 61508 into a research facility like CLS. By following these principles and methods, overall Safety Integrity Level three (SIL-3) has been achieved. One contribution the CLS made in the adoption of IEC 61508 is that, applied design pattern approaches to domain specific safety algorithms like those used in ACIS. This paper outlines the introduction of design pattern approaches in CLS. A CLS developed design pattern is given as an example.

Pages: 117 to 122

Copyright: Copyright (c) IARIA, 2013

Publication date: January 27, 2013

Published in: conference

ISSN: 2308-4243

ISBN: 978-1-61208-246-2

Location: Seville, Spain

Dates: from January 27, 2013 to February 1, 2013