Hybrid client-server architecture and control techniques for collaborative product development using haptic interfaces

Shiyong Lin

doi:10.1016/j.compind.2009.07.004

Hybrid client-server architecture and control techniques for collaborative product development using haptic interfaces

2010-01-01

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DOI：10.1016/j.compind.2009.07.004

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In this paper, a collaborative product development and prototyping framework is proposed by using distributed haptic interfaces along with deformable objects modeling. Collaborative Virtual Environment (CVE) is a promising technique for industrial product development and virtual prototyping. Network control problems such as network traffic and network delay in communication have greatly limited collaborative virtual environment applications. The problems become more difficult when high-update-rate haptic interfaces and computation intensive deformable objects modeling are integrated into CVEs for intuitive manipulation and enhanced realism. A hybrid network architecture is proposed to balance the computational burden of haptic rendering and deformable object simulation. Adaptive artificial time compensation is used to reduce the time discrepancy between the server and the client. Interpolation and extrapolation approaches are used to synchronize graphic and haptic data transmitted over the network. The proposed techniques can be used for collaborative product development, virtual assembly, remote product simulation and other collaborative virtual environments where both haptic interfaces and deformable object models are involved. (C) 2009 Elsevier B.V. All rights reserved.

Keyword:

Collaborative product development

Deformable object modeling

Haptic interface

CAD/CAM

Hybrid client-server architecture and control techniques for collaborative product development using haptic interfaces

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