眼球移动中的最佳时间任务

Q4 Engineering
A. Kruchinina
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引用次数: 0

摘要

本文专门讨论人类眼球的快速目标定向运动。这种运动有几种描述方式。其中一种是时间最优问题模型。在这项工作中,考虑的是眼球的快速单顺应弹道运动。眼球运动轨迹由时间最优任务解决方案描述。微分方程系统基于钟摆模型。它定义了从眼外肌到眼球的控制力矩以及眼球的运动。该系统的主要特点是所建议系统中的所有值都具有物理意义,并在已发表的实验研究中被发现。将眼外肌对眼球施加的力矩视为控制力矩,是该系统与已提交作品中其他眼球运动模型的主要区别。在这种情况下,开环系统有两个实数根和一个零根。文章分析了实根比为 1:3 的特殊情况。建模的结果是获得了与实验研究中观察到的眼球移动轨迹特征相接近的眼球移动轨迹。在所建模型的基础上,将合成的囊状投影参数与实验样本中获得的参数进行了比较。获得的模型既可用于解决生理学和医学问题,也可用于构建虚拟现实环境。例如,在开发三维界面时,使用数学模型可以利用博弈论优化元素排列。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal time task in saccadic eye movement
This article is devoted to fast goal-directed human eye movements. Such movements are described in few ways. One of them is the time-optimal problem model. It this work, the saccade – fast single conformable ballistic eye movement, is under consideration. Saccadic eye trajectory is described by time-optimal task solution. Differential equations system are based on pendulum model. It defines control moment applied from extraocular muscles to eye globe and movement of it. Main feature of the system is all values in suggested system have physical meaning and were found in published experimental investigations. Consideration of the moment applied from extraocular muscles to eye glob as control is main difference of the system from other models for eye movement in submitted works. In this case, the open-loop system has two real roots and one zero. The particular case of the ratio of real roots of 1:3 is analyzed in the article. As a result of modelling, trajectory characteristics closed to the saccades observed in experimental studies is obtained. On the basis of the constructed model, the parameters of the synthesized saccades were compared with the parameters obtained on the experimental sample. The obtained models can be used both for problems of physiology and medicine, and for constructing virtual reality environments. For example, when developing 3D interfaces, the use of a mathematical model makes it possible to optimize the elements arrangement using game theory.
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来源期刊
Russian Journal of Biomechanics
Russian Journal of Biomechanics Biochemistry, Genetics and Molecular Biology-Biophysics
CiteScore
1.10
自引率
0.00%
发文量
0
期刊介绍: Russian Journal of Biomechanics publishes peer reviewed articles related to the principal topics in biomechanics. This Journal was established to improve the information interchange between specialists on biomechanics from Russia and other countries. Biomechanics is defined as the mechanics of living tissues and biomaterials. The Journal presents original papers of a wide biomechanical profile. A balance of biomechanical and medical problems is the principal aspect of the Journal activities. The Journal encourages the submission of original articles, reviews, short communications and case studies in all areas of biomechanics, including, but not limited to: • General problems and methods of biomechanics • Rheological properties of living tissues • Biomaterials and prostheses • Dental biomechanics • Human movement analysis • Musculoskeletal biomechanics • Cardiovascular biomechanics • Biomechanics of breathing • Tissue and cellular biomechanics • Sport biomechanics • Biomechanical problems in biotechnology.
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