Project Description

Human eyes are responsible for more than 80 percent of information perception [1]. Oculomotor diseases that affect the structures of the eye can cause partial or complete loss of vision. To advance research in disorders of the oculomotor system, we have built a biologically realistic eye robot shown in figure 1. Our motor actuated robotic eye has been built to test different control models to execute desired movement and test the visual feedback from a camera fixed to the motor shaft.

In the coming months, we plan to replace the motor with an artificial muscle pair (figure 2) for a more biofidelic model. Polymer fibers with similar mechanical properties as human extraocular muscles will be used as actuators to generate rotational eye movement. Electrical stimulation to the conductive fibers will allow for the contraction and relaxation of the pair. The electro-mechanical robotic eye will provide a model to help further academic research into coordinated eye movement.


Project Images

eyebot

Figure 1. Biologically Inspired Eye Robot

muscles

Figure 2. Artificial Muscles


References

[1] X. Wang, Y. Zhang, X. Fu, and G. Xiang, “Design and Kinematic Analysis of a Novel Humanoid Robot Eye Using Pneumatic Artificial Muscles,” J. Bionic Eng., vol. 5, no. 3, pp. 264–270, 2008.