Abstract

SUMMARY Traditional mechanism analysis packages require the user to define laboriously a dyad representation in terms of joint types, coordinates and link lengths. The resulting simulation is often limited in its usefulness, because many of the physical restrictions on the movement of the linkage cannot be determined. In contrast, this paper describes a kinematic analysis package that takes a boundary representation solid model of the mechanism as its sole input. The system uses feature recognition techniques to identify automatically individual joints and the overall structure of the linkage. Once the form of the mechanism has been determined, a kinematic analysis is carried out, which results in the animation of the solid model. The system demonstrates how automation of the mechanism definition step in kinematic analysis could produce a significant reduction in the design cycle time.

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