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date: 22 February 2020

Abstract and Keywords

This chapter describes models and computational methods for computer simulation of very safe, complex work environments such as aviation. The models describe the “work” performed on the physical environment, as well as the coordination functions that are induced when work is allocated across multiple agents. At their most granular, resource models capture the state of the environment, and action models define how resources change through time. Action models are called via timing mechanisms, providing both accuracy and computational efficiency. Agent models—including human performance models—add agent dynamics to the actions they execute. The chapter then describes the insights these simulations can provide, from identifying specific problems with function allocation, to identifying unexpected emergent effects within an air traffic flow. The chapter concludes with a discussion of how these simulations relate to evolving notions of system safety, and future directions for research and application.

Keywords: safety, computer simulation, work models, human performance models

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