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Mining Publication: A Complexity Assessment Methodology for Programmable Electronic Mining Systems
Keywords: Programmable electronic systems Systems safety engineering
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: August 2002
Authors: JJ Sammarco
Conference Paper - August 2002
Download PDF Document (0.27 MB)
NIOSHTIC2 Number: 20023439
Proc 20th Int Sys Saf Conf, August 5-9, 2002, Denver, CO 2002 Aug :177-186
Mining, traditionally a low-tech industry, is now utilizing surprisingly complex programmable electronic (PE) systems. The functional safety of PE-based mining systems is an international issue and concern. From 1995 to 2001, there were 11 PH-related mining incidents reported in the U.S. and 71 PH-related mining incidents reported in Australia. These incidents are due, in part to unprecedented levels of system complexity. The National Institute for Occupational Safety and Health (NIOSH) is addressing this issue of system complexity by conducting research to develop a quantitative complexity assessment methodology based on Normal Accident Theory (NAT). The methodology models the behavioral interactive complexity at the level of system requirements. A graph-theoretical approach is used for creating quantitative metrics from Software Cost Reduction (SCR) dependency graphs. This complexity assessment methodology will help realize simpler, safer systems that will be easier to validate and verify. The methodology will benefit mining and other industries as well.
Image of publication A Complexity Assessment Methodology for Programmable Electronic Mining SystemsConference Paper - August 2002
Download PDF Document (0.27 MB)
NIOSHTIC2 Number: 20023439
Proc 20th Int Sys Saf Conf, August 5-9, 2002, Denver, CO 2002 Aug :177-186
See Also
Addressing the Safety of Programmable Electronic Mining Systems: Lessons Learned
Programmable Electronic and Hardwired Emergency Shutdown Systems: A Quantified Safety Analysis
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 1: 1.0 Introduction
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 3: 2.2 Software Safety
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 4: 3.0 Safety File
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 5: 4.0 Independent Functional Safety Assessment
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 6: 5.1 System Safety Guidance
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 8: 6.0 Safety File Guidance
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 9: 7.0 Independent Functional Safety Assessment Guidance
Safety Framework for Programmable Electronics in Mining
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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