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首页> 外文会议>Conference on Smart Medical and Biomedical Sensor Technology >Novel fiber optic sensor for grip testing
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Novel fiber optic sensor for grip testing

机译：用于握持测试的新型光纤传感器

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Grip strength is an easy measure of skeletal muscle function as well as a powerful predictor of disability, morbidity and mortality. In order to measure the grip strength, a novel fiber optic approach is proposed and demonstrated. Strain dependent wavelength response of fiber Bragg gratings (FBGs) has been utilized to obtain the strength of individual fingers. Five FBGs are written at different center wavelengths on a single photosensitive fiber. Each FBG is used to get the response from each individual finger. The fiber containing the gratings is attached to a suitable grip holder, which can effectively transfer the grip force to the FBGs. An additional reference FBG is also provided to make the device temperature insensitive. Experimental results show that the wavelength shifts of the order of 0.2-0.5 nm can be achieved for individual fingers. The device is calibrated in terms of load to convert the wavelength shift to the strength of the grip. The time dependent wavelength fluctuations was also studied and presented in this paper.
机译：握力是一种简单的骨骼肌功能以及残疾，发病率和死亡率的强大预测因素。为了测量抓握强度，提出并证明了一种新型光纤方法。已经利用了纤维布拉格光栅（FBG）的应变依赖波长响应来获得各个手指的强度。在单个光敏纤维上以不同的中心波长写入五个FBG。每个FBG用于从每个单独的手指获取响应。含有光栅的纤维附接到合适的抓握支架，其可以有效地将抓地力转移到FBG上。还提供了另外的参考FBG以使器件温度不敏感。实验结果表明，对于单个手指，可以实现0.2-0.5nm的波长偏移。在负载方面校准该装置以将波长转移转换为抓握强度。本文还研究了依赖波长波动的时间。

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