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In the past ten years, various time domain and frequency domain methods for identifying dynamic models of mechanical structures from modal experimental data have appeared. Much attention has been given recently to so-called subspace methods for identifying state space models. In order to better identify state space models of structures, a subspace subid method for identifying parameters is used and...
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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