CADCAM in Education and Training: Proceedings of the CAD ED by H. H. Rosenbrock (auth.), Dr Paul Arthur (eds.)

By H. H. Rosenbrock (auth.), Dr Paul Arthur (eds.)

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Then we have succeeded in placing human materials on the same footing as any other material and can begin to proceed with our problems of systems design. He goes on to say that there are, however, many disadvantages in the use of these human operating numers; they are somewhat fragile, they are subject to fatigue, obsolescence, disease and even death. They are frequently stupid, unreliable and have a limited memory capacity. Beyond all this they sometimes seek to design their own circuitry. That in a material is unforgivable and any system utilizing them must devise appropriate safeguards.

CAD and the human operator E C Kingsley Abstract: Equipment designers are increasingly turning to CAD tools to speed up their design processes. However, there is often a tendency under traditional design methods to leave consideration of the human operator to the end of the design process. It is likely, therefore, that the introduction of rapid CAD methods will increase rather than decrease this tendency. To counteract this tendency the CAD industry needs first to provide designers with CAD tools that can take account of human operator's requirements; and second, to apply human factors in the design of its own CAD work stations.

What is really required is to get human factors evaluations carried out at a very early stage in the design process so that any major problems can be sorted out before they become fixed features of the overall design. The problem for the human factors specialist is that the aspects he is trying to examine are primarily three-dimensional issues and yet it is likely that if he is invited to carry out assessments at an early stage he will have only two-dimensional drawings to work from. This is where the CAD approach can help by allowing the designer to examine the human factors problems using three-dimensional computerized models of the equipment or work place, at a preliminary rather than prototype stage in the design process.

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