Analysis Techniques For Man-Machine Systems Design

NATO UNCLASSIFIEDAC/243(Panel 8)TR/7 - 118 -ut Volume 2Types of analysis availableDesign Option Decision Trees (6.1) are a means of systematically reviewing design options in the context ofA, predicted operator tasks and human factors design requirements. Task analyses, especially Information/Action orAction/lnformation analyses (4.4) identify features of the human-machine interface by analysing operator tasks whichI7require information or action, thereby identifying requirements for displays and controls. The analysis of CriticalDesign Requirements (6.2) extends this approach into a formal procedure which concentrates on operator tasks whichare critical to system performance. Task analyses also document the sequence of operator actions, thereby providinginformation which can be used in Link analyses (6.3) to evaluate the links between successive operator actions, eitherhand and eye movements, body movements, or communication with other operators. Once operator tasks have beenidentified, the information can be used to evaluate possible design options.Table 6.1:Applicability of Interface and workspace designtechniques to different projectsI,Technique Simple systems Medium complexity High complexity Complex multi-man*(e.g.rifle, hand-held system (e.g., 1 -man system (e.g 1 -place system (e.g., ship*radio) radar console) attack aircraft) combat centrel6.1 Design option low low medium mediumdecision trees6.2 Critical design medium medium high highrequirements6.3 Link analysis not relevant medium high highReferences and Bibliography1. Bishop, E.W., & Guinness, G.V. Jnr. (1966). Human factors interaction with industrial design. Human Factors 8(4) 279-289.2. Engel, R., & Townsend, M. (1989). Guidelines for the decsien and evaluation of onerator interfaces for computerbased conrol system. DCIEM Contract Report. Toronto: Engel & Townsend.3 . Meister. D. (1985). Behavioral analysis and measurement methods. New York: Wiley lnterscience.11w4 . Mchfillan. G.R., Beevis, D., Salas. E., Strub. M.H., Sutton, R. & van Breda, L. (Eds). (1989). ApplicatioQnsofhuman eronance models to system design. New York. Plenum. Defense Research Series Vol. 2.5. McMillan, G.R., Beevis, D., Salas, E., Stein, W., Strub. M.H., Sutton, R., & van Breda, L. A.iI1.Qhuma neforanc moelsforsystem design. (199 1). Report AC/243 (Panel-8) TR-l1. Brussels: NATO DefenceResearch Group.6. Woodsoni, W.E. (1981). Human facto~r-Ldesign handbook, (pp. 961-964). New York: McGraw-Hill Book Co.NATOUNCLASSIFIED