Abstract
Human operators faced with an unexpected situation while controlling a complex system can take effective action if they are provided a system-centered view based on Ecological Interface Design (EID). To date there is only limited empirical support for the efficacy of EID in enhancing human-automation interaction. This paper presents results from two studies of EID in human-automation interaction, drawn from different domains, flight simulation and process control. In Experiment 1, use of an integrated display with an emergent perceptual feature was found to eliminate the automation complacency effect in monitoring for engine system malfunctions during a flight simulation task. In Experiment 2, a display with a multi-level representation of the intention of the automated controllers in a process control system was found to improve human-automation collaboration. These studies show that explicit visualization of the functional structure of a human-automation system in the interface supports the system-centered view in operators, thereby enhancing system performance.
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