An Application of Computer Visualisation for Solving a Mechanical Design

A computer visualisation application has been presented for fuzzy evaluation of windscreen wiper systems which must satisfy several requirements. Some requirements are modelled by fuzzy sets and a compensating arithmetic mean is utilised for computing an overall performance. A computer animation of wiper mechanism motion and rainfall is shown, which enables to experts, drivers and passengers to evaluate the degree of satisfaction and correctness of judgements. This fuzzy evaluation approach is illustrated by considering five “subjective” requirements (driver and passenger visibility, wiped surface, visibility and trouble sensations), and for three design alternatives (traditional single and double wiped systems and variable course system) the results are shown