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This paper developed a virtual assembly system with force feedback. With secondary development of commercial CAD system, CAD assembly model was transformed into virtual assembly model, by loading which, the virtual assembly scene was set up. Then virtual assembly operation and navigation method based on force-feedback was explored and the separation problem between haptic proxy and parts under constraint...
In order to reduce danger and cost in physical chemical process training and testing, this paper proposed a chemical process simulation system based on distributed virtual reality technology. According to characters of an existing chemical engineering system and functions for simulation system to be designed, a framework for data-driven simulation was proposed, and some related key technologies, such...
To solve cross-platform problem of GUI (Graphical User Interface) in virtual reality applications, this paper presented a multi-thread integration method which can embed 3D scene rendered in OpenGL, Vega and OpenGL performer into a cross-platform GUI named FLTK. The presented method provides a source of reference for other cross-platform virtual reality rendering engines to be integrated with FLTK...
Based on the collaborative virtual assembly system with haptic and force feedback, a contact elements prediction based haptic rendering method is proposed. This method is conducted at both server and client side. The server predicts the basic contact elements using haptic rendering model. At client side, according to the local proxy position and basic contact elements received from server side, the...
Heavy computational load and the contradiction between workspace dimension and position resolution are some of the main problems in haptically enabled virtual assembly systems based on PHANToMreg and OpenHapticsreg toolkit. According to the characteristics of a virtual assembly system, two problems are analyzed, and their respective solution methods are proposed. In the computational load optimization...
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