An interactive virtual prototyping platform considering environment effect described by fluid dynamics

  • Authors:
  • Zheng Wang

  • Affiliations:
  • Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China

  • Venue:
  • Robotics and Computer-Integrated Manufacturing
  • Year:
  • 2012

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Abstract

Virtual prototyping (VP) technology has been regarded as a cost-effective way of envisaging real circumstances that enhance effective communication of designs and ideas, without manufacturing physical samples. Different from recent interactive VPs that are only based on multi-body systems, our VP platform is based on a multi-body coupled with fluid system, that is, the performance and functions of a VP will not be independent of environment factors or disturbances but interact with each other and constitute a whole system. Using this platform designers can simulate a robot through vacuum, air, water environments, etc., so it can provide a better support to the generality and quality of a VP. As for interactive manipulation, designers can modify the constraints between bodies, apply force/torque to interested bodies and change the parameters of forces/torques. Corresponding to user interaction, the platform automatically updates the dynamic behavior of the VP under current condition in the simulation loop. Furthermore, we implemented a virtual MiniBaja vehicle to verify the interactivity and effectiveness of this platform.