Information theoretic approach to man-machine interface complexity evaluation

We analyze the interactions between human operators and control room equipment and find that several factors affect the information-gathering and decision-making processes of operators: contents of the provided information, the way information is provided, and knowledge of the operators. These facto...

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Bibliographic Details
Published in:IEEE transactions on systems, man and cybernetics. Part A, Systems and humans man and cybernetics. Part A, Systems and humans, 2001-05, Vol.31 (3), p.163-171
Main Authors: Kang, Hyun Gook, Seong, Poong Hyun
Format: Article
Language:English
Subjects:
Automatic control
Complexity
Computer errors
Control rooms
Control systems
Cybernetics
Estimates
Human
Humans
Information analysis
Man-machine interfaces
Monitoring
Operators
Power generation
Safety
Taxonomy
User interfaces
Workload
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Summary:We analyze the interactions between human operators and control room equipment and find that several factors affect the information-gathering and decision-making processes of operators: contents of the provided information, the way information is provided, and knowledge of the operators. These factors contribute to the perceived cognitive complexity by human operators in plant operation. Based on the information theory concept, we propose an integrated framework for evaluating this complexity. The proposed framework is designed to be applied to various types of control room equipment which have different types of man-machine interface and contain different types of information. An experimental verification for the proposed framework is performed and its result shows that the framework successfully integrates various aspects of man-machine interface systems and estimates the mental workload of human operators.
ISSN:1083-4427
2168-2216
1558-2426
2168-2232
DOI:10.1109/3468.925655