Work Domain Analysis Methodology for Development of Operational Concepts for Advanced Reactors

Hugo, Jacques

doi:10.2172/1179386

Cited by 5 publications

(10 citation statements)

References 33 publications

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“…The Innovation Portal will provide detailed information of candidate technology, including associated technical literature, such as those developed under the DOE LWRS Program . With origins in the nuclear industry, the CWA framework offers a structured approach to system design (Hugo 2015). CWA is goal-driven and focuses on the underlying constraints that govern the work domain, as opposed to focusing on existing tasks or ways in which work is completed (Stanton et al 2017).…”

Section: Innovation Portalmentioning

confidence: 99%

“…WDA is foundational to CWA. WDA defines the goals and constraints (i.e., functional structure) of the domain (Hugo 2015;Stanton et al 2017). The constraints that govern the domain are either purposefully built or are artifacts of natural phenomena.…”

Section: Work Domain Analysismentioning

confidence: 99%

“…The mapping provides a hierarchy of links across these different layers of abstractions to develop means-end relations that form the basis for understanding what constraints govern the domain, why they exist, and how they are currently or could be achieved. The literature characterizes this mapping as the what-how-why triad (Hugo 2015).…”

Section: Work Domain Analysismentioning

confidence: 99%

“…While the number of layers may be flexible, the AH is traditionally defined through five layers. These layers include the domain purpose, domain values, domain functions, physical functions, and physical objects (Hugo 2015). The format of these layers is presented from top-to-bottom.…”

Section: Work Domain Analysismentioning

confidence: 99%

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Development of an Assessment Methodology That Enables the Nuclear Industry to Evaluate Adoption of Advanced Automation

Kovesdi

Spielman

Mohon

et al. 2021

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Nuclear power has a crucial role in providing safe, reliable, and economical carbon-free electricity for today and the future. For continued operation, many of the existing United States nuclear power plants will begin the subsequent license renewal process for extending their operating license periods. As plants extend their expected operating lifetimes, there is a significant opportunity to modernize. These plants have a much stronger business case with these extended mission periods to modernize and significantly enhance their economic viability in current and future energy markets by implementing digital technologies that support innovation, efficiency gains, and business-model transformation.Ensuring continued safety and reliability is crucial. Transformative digital technologies-including automation-that fundamentally change the concept of operation for the nuclear power plant operating models requires a critical focus on the human-technology integration element. Further, the nuclear industry has historically been reluctant to modernize due to a risk-adverse culture and lack of clarity for a transformative new-state vision. Common barriers include the perceived value and return on investment of digital technology; the perceived risk associated with licensing, regulatory, and cybersecurity; and insufficient guidance for performing digital modifications to power generation systems.This work presents a methodology to address these barriers and support the industry in adopting advanced automation and digital technology through developing a transformative vision and implementation strategy that will address the human-technology integration element. This research leverages previous Light Water Reactor Sustainability (LWRS) Program and industry results. It draws specifically on previous LWRS Program research in the areas of advanced alarm systems, computer-based procedures, model-informed decision support, and advanced human-system interface displays (e.g., overviews and task-based). The modernization methodology can be used to guide transformative thinking when integrating a set of vendor-specific capabilities to support a new concept of operations and a utility's end-state vision.The results of this research are organized into six major sections: − Section 1 introduces the need for supporting large-scale digital modifications that will renew the technology base for extended operating life beyond 60 years.− Section 2 describes the challenges that the nuclear industry is enduring with modernizing.− Section 3 summarizes the primary standards and guidance.− Section 4 presents earlier work from the LWRS Program regarding the development of a transformative conceptual design for an advanced control room of a hybrid plants.− Section 5 presents a methodology that is designed to address the challenges in the industry today in achieving a transformative newstate vision and concept of operations.

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Section: Innovation Portalmentioning

confidence: 99%

Section: Work Domain Analysismentioning

confidence: 99%

Section: Work Domain Analysismentioning

confidence: 99%

Section: Work Domain Analysismentioning

confidence: 99%

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Development of an Assessment Methodology That Enables the Nuclear Industry to Evaluate Adoption of Advanced Automation

Kovesdi

Spielman

Mohon

et al. 2021

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“…There are seven categories of constraints that will have a major impact on plant design: environmental, human factors, organizational, regulatory, technical, economical, and political. 4…”

Section: Constraintsmentioning

confidence: 99%

Reference Operational Concepts for Advanced Nuclear Power Plants

Hugo¹,

Farris²

2015

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Advanced nuclear power plants currently being designed are characterized by structural, functional and operational features that are uncommon in the current generation of plants worldwide. Due to the long worldwide hiatus in the development of new nuclear power plants most of these issues and the implications of new operational concepts have never been evaluated in detail. This paper is a summary of the results of a four-year project at the Idaho National Laboratory to develop a systematic process to analyze the operational requirements of new plants. The paper describes a method to produce reliable information for the design of robust and resilient systems that allow dynamic collaboration between operators and plant systems. It also provides examples of the application of this method to the development of an operational concept for advanced nuclear power plants, with examples from sodium fast reactors (SFRs).

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Implementation of a novel taxonomy based on cognitive work analysis in the assessment of safety performance

Niskanen

2017

International Journal of Occupational Safety and Ergonomics

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The following hypotheses were supported - activities of the management had positive impacts on the aggregated variables: near-accident investigation and instructions (H); OSH training (H); operations, technical processes and safe use of chemicals (H); use of personal protective equipment (H); measuring, follow-up and prevention of major accidents (H). The CWA taxonomy was applied in mixed methods when testing H-H. A special approach is to analyze the work demands of complex sociotechnical systems with the taxonomy of CWA. In problem-solving, the CWA taxonomy should seek to capitalize on the strengths and minimize the limitations of safety performance.

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Work Domain Analysis Methodology for Development of Operational Concepts for Advanced Reactors

Cited by 5 publications

References 33 publications

Development of an Assessment Methodology That Enables the Nuclear Industry to Evaluate Adoption of Advanced Automation

Development of an Assessment Methodology That Enables the Nuclear Industry to Evaluate Adoption of Advanced Automation

Reference Operational Concepts for Advanced Nuclear Power Plants

Implementation of a novel taxonomy based on cognitive work analysis in the assessment of safety performance

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