Analysis Techniques For Man-Machine Systems Design

NATO UNCLASSIFIEDiii -AC/243(Panel-8)TR/7Volume 2LIST OF FIGURESPART IPaze No.Figure 0.1 Information flow in the sequence of human engineering analyses 2Figure 1.1 Example of decomposition of a narrative mission analysis 6Figure 1.2 Example of an attack aircraft mission profile 8Figure 1.3 Example of alternative style of aircraft mission profile 10Figure 1.4 Example of mission profile for ship's machinery propulsion control 10Figure 2.1 Hierarchical approach to systems development 14Figure 2.2 First and second level function flow diagrams for a tactical fighter 17aircraftFigure 2.3 Sequence and timing diagram 21Figure 2.4 Basic SADT Diagram23Figure 2.5 Top level SADT function for an aircraft mission 23Figure 2.6 SADT model structure 24Figure 2.7 Information/decision/action diagram for a sonar system concept 28Figure 2.8 States and transitions of a radar system 31Figure 2.9 A Petri net model of a communication system: initial condition 35Figure 2.10 A Petri net model of a communication system in a conflict situation 36Figure 2.11 Graphical representation of a discrete function 39Figure 2.12 Behaviour graph for a torpedo engagement 40Figure 3.1 Five stage approach to function allocation 45Figure 3.2 Criteria for allocating functions to human or machine 45Figure 3.3 Example of function allocation screening worksheet (evaluation matrix) 57Figure 4.1 Contributions of task analysis to systems development 64Figure 4.2 Example of a single operator time tine analysis 68Figure 4.3 Example of a multi-operator time line analvsis 68Figure 4.4 Flow process chart task types and svmbols 71Figure 4.5 Flow process chart for maintenance procedures on ship's mast- 72mounted sensor systemFigure 4.6 OSD symbols and sample of OSD for an airborne navigation trainer 76Figure 5.1 Relationship between task analysis, performance prediction and 88interface and workspace designFigure 5.2 Example of the relationship between mission task demands and 89operator capabilityFigure 5.3 Example of a SAINT simulation: Control of the trim of a submarine 96while snorkellingFigure 6.1 Example of design option decision tree and tradeoff table for a ship's 120bridgeFigure 6.2.a Officer of the watch movements (links) on a destroyer bridge 126during three harbour entrances and exits showingobstables to movementFigure 6.2.b Improved bridge layout developed from link analysis 126NATO UNCLASSIFIED- iii -