利用双数字边缘投影技术和频率滤波恢复柔性膜对体积振荡的响应函数

Ubaldo Uribe López, Daniel Arturo Olivares Vera, D. A. Gutiérrez Hernández, F. J. Casillas Rodríguez, José de Jesús Ibarra Sánchez
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引用次数: 0

摘要

本研究提出了一种方法,利用双数字边缘投影测量一系列帧中表面的轮廓,通过体积振荡恢复发生动态事件的柔性乳胶膜的响应函数。通过对干涉图案应用频率滤波器,可获得摩尔纹图案。利用各向同性正交变换算法对单个图像进行光学相位检索。这种条纹投影技术可进行全场测量,包括其他技术因倾斜角产生的阴影而无法进行测量的边缘。该程序被设计为一种非接触系统,用于检索柔性表面的变形函数,从而提高了该方法的价值。结果表明,该方法成功地恢复了膜响应函数,突出了该方法与使用简单系统进行精确变形测量的相关性。这些成果为软机器人、生物医学设备和材料科学等工程应用领域柔性结构精确测量技术的开发提供了重要价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Recovery of the response function of a flexible membrane to a volume oscillation using double digital fringe projection technique and frequency filtering
This study presents a method to recover the response function of a flexible latex membrane undergoing a dynamic event by volume oscillation using Double Digital Fringe Projection to measure the profile of the surface in a sequence of frames. By applying a frequency filter to the interference pattern, a moiré pattern was obtained. Optical phase retrieval from individual frames was performed using the Isotropic Quadrature Transform Algorithm. This fringe projection technique enables full-field measurements, including edges where other techniques could not perform due to shadows generated by the tilt angle. The procedure was devised as a non-contact system to retrieve the deformation function of a flexible surface, enhancing a valuable aspect of the methodology. The results demonstrate successful recovery of the membrane response function, highlighting the relevance of the method for accurate deformation measurements using a straightforward system. These outcomes provide significant value for the development of precise measurement techniques for flexible structures in engineering applications, such as soft robotics, biomedical devices, and material science.
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