Desktop haptic virtual assembly using physically based modelling |
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Authors: | Brad M Howard Judy M Vance |
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Affiliation: | (1) Virtual Reality Application Center, Iowa State University, 2274 Howe Hall, Ames, IA 50011, USA |
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Abstract: | This research investigates the feasibility of using a desktop haptic virtual environment as a design tool for evaluating assembly
operations. Bringing virtual reality characteristics to the desktop, such as stereo vision, further promotes the use of this
technology into the every day engineering design process. In creating such a system, the affordability and availability of
hardware/software tools is taken into consideration. The resulting application combines several software packages including
VR Juggler, open dynamics engine (ODE)/open physics abstraction layer (OPAL), OpenHaptics, and OpenGL/GLM/GLUT libraries to
explore the benefits and limitations of combining haptics with physically based modelling. The equipment used to display stereo
graphics includes a Stereographics emitter, Crystal Eyes shutter glasses, and a high refresh rate CRT Monitor. One or two-handed
force feedback is obtained from various PHANTOM haptic devices from SensAble Technologies Inc. The application’s ability to
handle complex part interactions is tested using two different computer systems, which approximate the higher and lower end
of a typical engineer’s workstation. Different test scenarios are analyzed and results presented. |
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Keywords: | Haptic I/O Computer-aided design Physically based modelling Virtual reality |
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