Measuring Human Performance in Simulated Nuclear Power Plant Control Rooms Using Eye Tracking

Kovesdi, Casey; Rice, Brandon; Bower, Gordon R.; Spielman, Zachary; Hill, Rachael; Blanc, Katya Le

doi:10.2172/1261061

Cited by 7 publications

(5 citation statements)

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“…This prior research further supports the application of eye tracking in full-scaled simulation environments, enabling operators to interact with candidate CRM technologies more naturally with minimal mobility restrictions. The use of eye tracking to evaluate human-system performance M&E may be applicable to later-staged formative studies and ISV using full-scale testbeds, as well as during focused tasks to test very specific research questions [12]. The next section describes the different types of eye tracking systems that can be used in each of these CRM efforts.…”

Section: Iia the Value Of Eye Tracking In Control Room Modernizationmentioning

confidence: 99%

“…These measures can provide continuous tracking of workload, as opposed to pen and paper methods like NASA-TLX. The reader is referred to INL/EXT-15-37311 [12] for an in-depth discussion of these measures; however, Table 1 The following section shares experiences with using eye tracking in a CRM design workshop using a full-scale and full-scope simulator to gain qualitative insights into its feasibility, sensitivity, and usability when used in this context. To assess feasibility, the researchers determined how well eye movements mapped to relevant AOIs.…”

Section: Iic Applicable Eye Tracking Measures For Control Room Modernizationmentioning

confidence: 99%

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Application of Eye Tracking for Measurement and Evaluation in Human Factors Studies in Control Room Modernization

et al. 2018

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An important element of human factors engineering (HFE) pertains to measurement and evaluation (M&E). The role of HFE-M&E should be integrated throughout the entire control room modernization (CRM) process and be used for human-system performance evaluation and diagnostic purposes with resolving potential human engineering deficiencies (HEDs) and other human machine interface (HMI) design issues. NUREG-0711 describes how HFE in CRM should employ a hierarchical set of measures, particularly during integrated system validation (ISV), including plant performance, personnel task performance, situation awareness, cognitive workload, and anthropometric/ physiological factors. Historically, subjective measures have been primarily used since they are easier to collect and do not require specialized equipment. However, there are pitfalls with relying solely on subjective measures in M&E such that negatively impact reliability, sensitivity, and objectivity. As part of comprehensively capturing a diverse set of measures that strengthen findings and inferences made of the benefits from emerging technologies like advanced displays, this paper discusses the value of using eye tracking as an objective method that can be used in M&E. A brief description of eye tracking technology and relevant eye tracking measures is provided. Additionally, technical considerations and the unique challenges with using eye tracking in full-scaled simulations are addressed. Finally, this paper shares preliminary findings regarding the use of a wearable eye tracking system in a full-scale simulator study. These findings should help guide future full-scale simulator studies using eye tracking as a methodology to evaluate human-system performance.

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Section: Iia the Value Of Eye Tracking In Control Room Modernizationmentioning

confidence: 99%

Section: Iic Applicable Eye Tracking Measures For Control Room Modernizationmentioning

confidence: 99%

Application of Eye Tracking for Measurement and Evaluation in Human Factors Studies in Control Room Modernization

et al. 2018

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“…Dwell time tends to increase with increasing mental task demands. Pupil diameter usually increases in response to increased difficulty levels of tasks translating to another common indicator of mental workload [6,26,39,40].…”

Section: Continuous Indicator Of Workload With Eye-trackingmentioning

confidence: 99%

Comparing Eye-Gaze Metrics of Mental Workload in Monitoring Process Plants

Huang

Hildebrandt

et al. 2019

Lecture Notes in Computer Science

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Continuous, non-invasive workload indicators of operators is an essential component for dynamically assigning appropriate amount of tasks between automation and operators to prevent overload and out-of-the-loop problems in computer-based procedures. This article examines the monitoring task difficulty manipulated by the task type and load, and explores physiological measurements in relation to mental workload. In a within-subject design experiment, forty-five university students performed monitoring tasks in simulated nuclear power plants (NPPs) control room. The performance of monitoring tasks (accuracy), subjective mental workload (NASA Task Load Index), as well as four eye-related physiological indices were measured and analyzed. The results show that as monitoring task difficulty increased, task performance significantly decreased while NASA-TLX, number of fixations, and dwell time significantly increased. Number of fixations and dwell time could be effective, non-invasive continuous indicators of workload for enabling adaptive computerbased procedures.

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“…LTLFTR was defined as the time difference between TTLF to the RT. These measures are described in greater detail in Kovesdi et al 2015, which discusses the relation of each measure to important human factors constructs such as visual attention, scan/search efficiency, and mental workload. Table 3 summarizes the relation of selected eye-tracking measures from the micro-tasks to key constructs.…”

Section: Performance Measuresmentioning

confidence: 99%

Prototype Design, Analysis, and Results for a Liquid Radiological Waste Control Room

Kovesdi

Hill

Oxstrand

et al. 2017

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Human factors researchers at Idaho National Laboratory are collaborating with a utility partner to address human factors in the modernization of their radiological waste control room. The collaborating utility, Palo Verde Nuclear Generating Station, plans to remove all control boards associated with the liquid radiological waste system, which include controls, indicators, and alarm systems, and replace them with modernized digital instrumentation and controls and displays. To be sure the new system either supports current operational performance or enhances it, researchers have carried out three planning and analysis activities: expert operator review, function allocation analysis, and human factor principles and design applications.

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Measuring Human Performance in Simulated Nuclear Power Plant Control Rooms Using Eye Tracking

Cited by 7 publications

References 0 publications

Application of Eye Tracking for Measurement and Evaluation in Human Factors Studies in Control Room Modernization

Application of Eye Tracking for Measurement and Evaluation in Human Factors Studies in Control Room Modernization

Comparing Eye-Gaze Metrics of Mental Workload in Monitoring Process Plants

Prototype Design, Analysis, and Results for a Liquid Radiological Waste Control Room

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