An investigation into the use of constraint modelling to study the interaction of humans and machines
Abstract
New directives and regulations affecting the use of industrial processing machines require designers to take greater care to ensure that the machine is safe to use and within the capability of the operator. Such new legislation has made it necessary for companies to demonstrate that they have taken all due care in insuring the safety of their machines before they are put into use.
Computer-based manikin models have been available within CAD environments for many years but these tend to be simple animations of previously recorded events (although, greater capabilities are available in specialised packages). Work on constraint modelling techniques, over the last 20 years, has resulted in the creation of rule based techniques that have been applied to the modelling and design of machines and humans. Research is now directed to bringing these together within a single modelling environment in which machine action, the layout of its controls and, user ability can be manipulated to determine the most appropriate machine design.
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