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A Strain Feedback Compensation Method during Cell Tensile Experiments

机译:细胞拉伸实验中的应变反馈补偿方法

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摘要

Cell tensile technique is an important and widely used tool in cell mechanical research. However, the strain control condition in traditional tensile experiments is not satisfied and would result in big errors. These strain errors will seriously impact the experimental accuracy and decrease the reliability and comparability of experimental results. In order to achieve the accurate strain control of the membrane during stretching, a strain feedback compensation method based on the digital image correlation is proposed in this paper. To evaluate the effect of the proposed compensation method, a series of stretching experiments in different strains ranging from 5% to 20% were performed. The results showed that our proposed method significantly decreased the errors of strain control. These results indicate that the strain feedback compensation method is very effective in controlling strain and can greatly improve the experimental accuracy.
机译:细胞拉伸技术是细胞力学研究中的一种重要且广泛使用的工具。但是,传统拉伸试验中的应变控制条件不能满足,会导致较大的误差。这些应变误差将严重影响实验精度,并降低实验结果的可靠性和可比性。为了实现膜在拉伸过程中的精确应变控制,提出了一种基于数字图像相关性的应变反馈补偿方法。为了评估所提出的补偿方法的效果,在5%至20%的不同应变范围内进行了一系列拉伸实验。结果表明,我们提出的方法大大降低了应变控制的误差。这些结果表明,应变反馈补偿方法在控制应变方面非常有效,可以大大提高实验精度。

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