A systems approach to the assessment of mental workload in a safety critical environment

Development of a mental workload index: A systems approach

Ergonomics ◽

10.1080/00140130701379055 ◽

2007 ◽

Vol 50 (9) ◽

pp. 1503-1515 ◽

Cited By ~ 15

Author(s):

A. Pretorius ◽

P. J. Cilliers

Keyword(s):

Systems Approach ◽

Mental Workload

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Instantaneous mental workload assessment using time–frequency analysis and semi-supervised learning

Cognitive Neurodynamics ◽

10.1007/s11571-020-09589-3 ◽

2020 ◽

Vol 14 (5) ◽

pp. 619-642

Author(s):

Jianhua Zhang ◽

Jianrong Li ◽

Rubin Wang

Keyword(s):

Machine Learning ◽

Data Analysis ◽

Mental Workload ◽

Measured Data ◽

Data Driven ◽

Time Frequency ◽

Safety Critical ◽

Real World Applications ◽

Learning Machine ◽

Time Assessment

Abstract The real-time assessment of mental workload (MWL) is critical for development of intelligent human–machine cooperative systems in various safety–critical applications. Although data-driven machine learning (ML) approach has shown promise in MWL recognition, there is still difficulty in acquiring a sufficient number of labeled data to train the ML models. This paper proposes a semi-supervised extreme learning machine (SS-ELM) algorithm for MWL pattern classification requiring only a small number of labeled data. The measured data analysis results show that the proposed SS-ELM paradigm can effectively improve the accuracy and efficiency of MWL classification and thus provide a competitive ML approach to utilizing a large number of unlabeled data which are available in many real-world applications.

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A Dynamic Systems Approach to Personality

European Psychologist ◽

10.1027//1016-9040.6.3.172 ◽

2001 ◽

Vol 6 (3) ◽

pp. 172-176 ◽

Cited By ~ 14

Author(s):

Lawrence A. Pervin

Keyword(s):

Dynamic Systems ◽

Systems Approach ◽

Biological Processes ◽

Recent Advances ◽

Dynamic View ◽

The Future ◽

History Of

David Magnusson has been the most articulate spokesperson for a holistic, systems approach to personality. This paper considers three concepts relevant to a dynamic systems approach to personality: dynamics, systems, and levels. Some of the history of a dynamic view is traced, leading to an emphasis on the need for stressing the interplay among goals. Concepts such as multidetermination, equipotentiality, and equifinality are shown to be important aspects of a systems approach. Finally, attention is drawn to the question of levels of description, analysis, and explanation in a theory of personality. The importance of the issue is emphasized in relation to recent advances in our understanding of biological processes. Integrating such advances into a theory of personality while avoiding the danger of reductionism is a challenge for the future.

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