Stochastic Effectiveness Models for Human-Machine Systems

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)22_Publication in policy or professional journal

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Original languageEnglish
Pages (from-to)826-834
Journal / PublicationIEEE Transactions on Systems, Man and Cybernetics
Volume20
Issue number4
Publication statusPublished - Jul 1990
Externally publishedYes

Abstract

Stochastic models for system effectiveness are developed for a multiple-component human-machine system. System effectiveness is defined as the combined measure of availability and reliability at each task-arrival time, when transient human operator behavior was considered in conjunction with the machine state. Because factors such as fatigue, stress, and learning affect the human operator over time, all probability measures for successful human performance are considered to be time-dependent. Performance evaluation models for a generic military system are developed. The modeling techniques can also be used for large-scale, man-machine systems that consist of modern computers and processors. © 1990 IEEE