Cues and cue-based processing

implications for system safety

Mark Wiggins*, Thomas Loveday, Lucy Lyons

*Corresponding author for this work

Research output: Contribution to journalConference paper

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Abstract

In process control systems such as electricity power control, the success of a response to a change in the system state is largely dependent upon the capacity of operations controllers to identify, diagnose, and respond to the change. However, despite the importance of these skills in ensuring system safety and integrity, little or no information is acquired pertaining to the skills of operators and how these might impact the system more broadly. Using a cue-based theoretical framework, the present study examined the extent to which an assessment of different aspects of cue utilization could differentiate operator performance in four electrical transmission organizations. Using four tasks that comprise the assessment tool EXPERTise, the performance of 112 electrical controllers was examined, and the results revealed patterns of performance that could provide indicators for intervention. By using a comparative approach to cue utilization, it obviates the need for absolute judgments. Instead, it not only provides an assessment of the relative cue utilization within the organization, but performance on each of the four tasks provides a clear direction for managers in developing interventions that will ensure the safety and integrity of the system in the future.

Original languageEnglish
Pages (from-to)55-61
Number of pages7
JournalProcedia Engineering
Volume84
DOIs
Publication statusPublished - 2014
EventInternational Symposium on Safety Science and Technology (9th : 2014) - Beijing, China
Duration: 4 Nov 20146 Nov 2014

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