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The Man-machine Integrated Design and Analysis System (MIDAS) is an integrated human performance modeling software tool that symbolically represents a human's perceptual, cognitive and motor systems in an integrated fashion to produce emergent, high level behavioral predictions characteristic of actual human performance. MIDAS has been augmented in a number of significant ways to simulate even more realistic simulations of human behavior in various aerospace operational contexts. The effort undertaken in the current project culminated in an agent-based sub model (e.g. slots) that can be used by a variety of models to predict and recreate short- and long-term effects of stressors (fatigue, stress, time pressure, inadequate situation awareness, etc.) on performance in aerospace accidents/incidents causation. A computational simulation demonstrated performance influences brought to task performance by fatigue (as characterized by the Yerkes-Dodson theoretical threshold model) that is incurred while undertaking activities required to complete a goal behavior, and the impact of performance-influencing factors (PIFs) on human performance output by combining this with a primitive based action error vulnerability. This paper discusses the computational development effort undertaken in creating the conceptual relationship and PIF implementation in MIDAS.
Systems, Man and Cybernetics, 2005 IEEE International Conference on (Volume:2 )
Date of Conference: 10-12 Oct. 2005