Analysis Techniques For Man-Machine Systems Design

NATO UNCLASSIFIED45 - AC/243(Panel-8)TR'7Volume ITechnique Output Link to system Scale ofperformance measurementTask analysisTime lis sequences & times of direct link to mission ratiooperator taskstimesFlow process charts sequences & types of indirect link to missions ordinaloperator tasksprofiles & descriptionsOperational sequence diagrams (OSDs) sequences of operator direct link to mission ordinal: (ratio ittasks; can include profiles & descriptions annotated with time)timesInformation/action or Action/information sequence & types of indirect link to mission ordinaltabulations operator tasks profiles & descriptionsCritical task analysis task sequences, times direct link to system ordinaLlo ratio& tolerancesperformance byoperator errorDecision tables key decisions & criteria indirect link via nominal (conditions)for making themfunctionsPerformance PredictionTime line analysis of workload task sequences & direct link to mission ratiotimestimesSystems analysis by integrated networks of task sequences, times direct link to mission ratiotasks (SAINT) & probabilities times & probabilitiesSIMWAM task sequence s, times direct link to mission ratio& operator loading timesSubjective workload ratings workload of operators indirect link to system interval or ratioperformanceSWAT workload of operators indirect link to system ordinal transformedperformanceinto an interval scaleNASA TLX scores of operator indirect link to system ordinal expressed onworkload performance a ratio scaleError analysis errors which may be indirect to mission nominal (categories ofmade by operators goals errors) or ratio(probabilities)Analysis of errors as causal factors in tree of human error and indirect link to mission nominal (categories ofaccidents causal conditions effectiveness errors) or ratio(probabilities)Interface and workspace designDesign option decision trees human factors data direct link to functions; nominal to ratiorelated to designindirect link viachoicesoperator performanceCritical design requirements design criteria indirect link via nominal to ratio(dimensions,operator performancecoordinates etc)Link analysis coordinates of a indirect link via ordinal (linkworkspace or interface operator performance importance) ratio (linkfrequencies):'