Effects of indicating failure odds and smoothed outputs on human failure detection in dynamic systems

Joseph Tzelgov, Uri Tsach, Thomas B. Sheridan

Research output: Contribution to journalArticlepeer-review

Abstract

One approach to detecting failures in dynamic systems is to run a model in parallel to the real system. Tn such cases the operator is expccted to make decisions about possible failures by comparing the outputs of the system and its model. This task is discussed from the point of view of human information processing. An experiment was run to test different means for aiding the operator in this task. It was found that the detection proccss may be improved by providing the operator with estimates of the failure odds. Moreover, when both the system and the model outputs were noisy, additional improvement was achieved by providing the operator with pre- smoothed outputs.

Original languageEnglish
Pages (from-to)449-462
Number of pages14
JournalErgonomics
Volume28
Issue number2
DOIs
StatePublished - 1 Jan 1985

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