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Investigation of the relationship between visual information and interaction force on load-on task within virtual environment

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2 Author(s)
Jae Hoon Lee ; Dept. of Mech. & Control Eng., Handong Univ., Pohang, South Korea ; Jae Hyo Kim

The purpose of this paper is to examine how the humans learn and percieve the weight of objects corresponding to visual information in virtual environment. We conducted two kinds of load-on-tasks with two virtual objects that have same weight but different visual cues; different sizes and different brightness. We found that the subject could not generate appropriate force for the smaller and brighter objects in the beginning of the trials. The discrepancy between the expected weight and actual force consequences due to visually invoked size- and brightness-related information made subjects perceive the small and white objects were heavier. One the other hand, after the tasks were repeated, the subject responded the weights were the same or very similar when the mismatch between the expected weight and the actual weight became vanished. This means that the sensorimotor feedback influences the anticipatory control scheme and weight perception aggressively in virtual environment.

Published in:

Control Automation and Systems (ICCAS), 2010 International Conference on

Date of Conference:

27-30 Oct. 2010