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The force-update-rate requirements of transparent rendering of virtual environments are in conflict with the computational cost required for computing complex interactions between deforming objects. In this paper we introduce a novel method for satisfying high force update rates with deformable objects, yet retaining the visual quality of complex deformations and interactions. The objects that are...
As an approach to real-time simulation of haptic interaction with deformable objects, we proposed a record-reproduction method called dasiaimpulse response deformation modelpsila (IRDM), in which the deformation of an object shape is computed by convolving temporal sequence of interaction force with a pre-computed response of model to impulse force. Although, IRDM has an advantage that its computation...
We have developed two different magnetic levitation devices which provide unprecedented ranges of motion in both translation and rotation to a levitated handle to be used for tool-based haptic interaction. The first device levitates a handle attached to a thin spherical shell of flat coils suspended in permanent magnet fields using Lorentz forces. A novel coil type and magnet configuration provides...
This demonstration shows the effectiveness of the energy-bounding algorithm (EBA) for stable haptic interaction and bilateral teleoperation. The EBA proposed for stable haptic interaction based on the passivity theory and extended to stabilize the bilateral teleoperation system that has the time delay in communication channel. In this demo, a virtual wall test for haptic interaction and bilateral...
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