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A Hybrid Collision Response in a Haptic Virtual Surgery System

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5 Author(s)
Xiaobo. Li ; Computer Science and Engineering Department, Shanghai Jiao Tong University, Shanghai, China ; Lixu. Gu ; Shaoting. Zhang ; Jingsi. Zhang
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Collision response is an important component in a virtual surgery system, due to the requirements of realtime response and simulation realism. In this paper, we propose a novel hybrid collision response algorithm for generating a smooth feedback force. This algorithm takes the advantages of three traditional methods as well as gets rids of drawbacks of them. It also provides an approach to generate a reasonable feedback force. After collision response processing the variance of feedback force has been reduced from 30026 to 0.0003, form 39095 to 0.06 and from 5455 to 0.008 in x, y and z dimension respectively. The result shows that our methods can be used in a real-time response and simulation realism required haptic surgery simulator.

Published in:

2007 6th International Special Topic Conference on Information Technology Applications in Biomedicine

Date of Conference:

8-11 Nov. 2007