3D Interaction oriented object model

Human computer interaction (HCI) is the most urgent challenge to virtual environment based manufacturing today. Traditionally VRML/X3D standards are used as the main object models in virtual environment (VE), and collision detection serves as the exclusive perception mechanism in such an environment. It is observed that these models are difficult to satisfy the requirement of 3D human computer interaction. This paper tries to provide a new object model scheme for virtual assembly which is a typical virtual environment application that has the most critical HCI requirements. The work of this paper includes introduction of object scheme, new perception mechanism, and object behaviour abstraction. The provided object model is applied and validated in virtual assembly prototype system.