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Assessing Continuous Operator Workload With a Hybrid Scaffolded Neuroergonomic Modeling Approach

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Abstract

Integrated system validation (ISV) is an important part of Human Factors Engineering Review of a nuclear power plant (NPP) employed to evaluate whether the design of function systems of NPPs support safe operations of operators. Workload evaluation of NPPs operators for ISV remains a problem due to a lack of objective indices and low creditability of subjective ratings. This study aims to establish one workload evaluation model based on physiological and activity indices. An ISV experiment of digitalized main control room was conducted on Yangjiang NPP Full-Scope Simulator. A task scenario of Diverse Human Interface Panel (DHP) and Severe Accident Panel (SAP) was selected from real NPPs task scenarios. Four operators participated in this experiment and finished the task scenario. Physiological and activity data were collected during the experiment and 14 indices were calculated. Task complexity were analyzed using VACP (Visual, Auditory, Cognitive and Psychomotor) theory. The result correlation analysis between task complexity and physiological & activity indices showed a significant positive relation with all p-value < 0.05. Finally, a workload evaluation model is constructed. This model can be used in ISV to evaluate the task complexity and workload during human reliability analysis based on the physiological response of NPPs operators.

Keywords

  • Workload evaluation
  • Nuclear power plant
  • Physiological indices
  • Integrated System Validation (ISV)
  • Task complexity (TC)

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Acknowledgments

This study was supported by China Nuclear Power Engineering Co., Ltd (CNPEC) Science and Technology Innovation Project (Project No. K-A2017.409) and the National Natural Science Foundation of China (No. 71671167), and we would like to thank the important contribution of Professor Zhizhong Li in data analysis and modeling, the contribution of Liang Wang and Shuyu Xie in English translation and proofreading.

Author information

Authors and Affiliations

  1. State Key Laboratory of Nuclear Power Safety Monitoring Technology and Equipment, China Nuclear Power Engineering Co., Ltd (CNPEC), Shenzhen, 518172, Guangdong, China

    Xuegang Zhang, Ming Jia & Yijing Zhang

  2. Department of Industrial Engineering, Tsinghua University, Beijing, 100084, China

    Yu Gan & Yijing Zhang

  3. Department of Industrial Engineering, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China

    Yijing Zhang

Editor information

Editors and Affiliations

  1. The Open University of Japan, Chiba, Japan

    Masaaki Kurosu

  2. Tokyo University of Science, Tokyo, Saitama, Japan

    Sakae Yamamoto

  3. Tokyo City University, Tokyo, Japan

    Hirohiko Mori

  4. Southern University of Science and Technology, Shenzhen, China

    Marcelo M. Soares

  5. World Usability Day and Bubble Mountain Consulting, Newton Center, MA, USA

    Elizabeth Rosenzweig

  6. Aaron Marcus and Associates, Berkeley, CA, USA

    Aaron Marcus

  7. Tsinghua University, Beijing, China

    Pei-Luen Patrick Rau

  8. Coventry University, Coventry, UK

    Don Harris

  9. Cranfield University, Cranfield, UK

    Wen-Chin Li

Copyright information

© 2022 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Cite this paper

Zhang, X., Gan, Y., Jia, M., Zhang, Y. (2022). Workload Evaluation Model of Nuclear Power Plant Operator in Integrated System Validation. In: , et al. HCI International 2022 - Late Breaking Papers. Design, User Experience and Interaction. HCII 2022. Lecture Notes in Computer Science, vol 13516. Springer, Cham. https://doi.org/10.1007/978-3-031-17615-9_45

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  • DOI : https://doi.org/10.1007/978-3-031-17615-9_45

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