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Motion Control in Saccade and Smooth Pursuit for Bionic Eye Based on Three-dimensional Coordinates
Qingbin Wang1,2; Wei Zou1,2; De Xu1,2; Zheng Zhu1,2
Source PublicationJournal of Bionic Engineering
2017-04
Volume14Issue:2Pages:336–347
AbstractSaccade and smooth pursuit are two important functions of human eye. In order to enable bionic eye to imitate the two
functions, a control method that implements saccade and smooth pursuit based on the three-dimensional coordinates of target is
proposed. An optimal observation position is defined for bionic eye based on three-dimensional coordinates. A kind of motion
planning method with high accuracy is developed. The motion parameters of stepper motor consisting of angle acceleration and
turning time are computed according to the position deviation, the target’s angular velocity and the stepper motor’s current
angular velocity in motion planning. The motors are controlled with the motion parameters moving to given position with
desired angular velocity in schedule time. The experimental results show that the bionic eye can move to optimal observation
positions in 0.6 s from initial location and the accuracy of 3D coordinates is improved. In addition, the bionic eye can track a
target within the error of less than 20 pixels based on three-dimensional coordinates. It is verified that saccade and smooth
pursuit of bionic eye based on three-dimensional coordinates are feasible.

KeywordBionic Eye Saccade Smooth Pursuit Motion Planning Observation Position
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/14441
Collection精密感知与控制研究中心_精密感知与控制
Affiliation1.Research Center of Precision Sensing and Control, Institute of Automation, Chinese Academy of Sciences
2.University of Chinese Academy of Science
Recommended Citation
GB/T 7714
Qingbin Wang,Wei Zou,De Xu,et al. Motion Control in Saccade and Smooth Pursuit for Bionic Eye Based on Three-dimensional Coordinates[J]. Journal of Bionic Engineering,2017,14(2):336–347.
APA Qingbin Wang,Wei Zou,De Xu,&Zheng Zhu.(2017).Motion Control in Saccade and Smooth Pursuit for Bionic Eye Based on Three-dimensional Coordinates.Journal of Bionic Engineering,14(2),336–347.
MLA Qingbin Wang,et al."Motion Control in Saccade and Smooth Pursuit for Bionic Eye Based on Three-dimensional Coordinates".Journal of Bionic Engineering 14.2(2017):336–347.
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