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Impulse Response Deformation Model: an Approach to Haptic Interaction with Dynamically Deformable Object

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3 Author(s)
K. Tagawa ; Intelligent Modeling Laboratory, University of Tokyo, e-mail: tagawa@iml.u-tokyo.ac.jp, URL: http://www.taagwa.info ; K. Hirota ; M. Hirose

An approach to haptic interaction with dynamically deformable object is proposed. In our approach, the behavior of an object is defined by a set of temporal deformation patterns after impulse force is applied to each degree of freedom, which we call impulse response deformation model. Deformation resulting from interaction is obtained by computing convolution of the model and the history of interaction force. The time complexity of computing interaction force is independent of the complexity of the model. This feature is advantageous for time-critical applications. Also, the time complexity of computing object deformation is linearly proportional to the complexity of the model. Through implementation of a prototype environment and evaluation of its performance, feasibility of the proposed approach is demonstrated.

Published in:

2006 14th Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems

Date of Conference:

25-26 March 2006