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Design, construction, and evaluation of a novel strain sensor for active structures.

机译：一种用于活动结构的新型应变传感器的设计，构造和评估。

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A model and prototype of a novel strain sensor is developed. The sensor is intended to be used in a structural health monitoring application. It amplifies light deflection off one or more polished surfaces and measures the deflected beam via a position sensitive detector (PSD). The design is easily modified to detect strains over a customizable range, is capable of enduring over-strain and it is anticipated that the strainless operation of this sensor (it does not rely on strain transfer to the sensing element) will allow simple installation procedures. Several variants have been analyzed using the prototype. The prototype measured strains with a typical error of +/-1500muepsilon over a range of +/-50,000muepsilon. This error is due limitations in the prototype, however, the developed micro-sensor is capable of strain resolution of +/-50muepsilon over the same range.

机译：开发了新型应变传感器的模型和原型。该传感器旨在用于结构健康监测应用。它放大了一个或多个抛光表面的光偏转，并通过位置敏感检测器（PSD）测量偏转的光束。该设计易于修改以检测可定制范围内的应变，能够承受超应变，并且预计该传感器的无应变运行（它不依赖于传递至传感元件的应变）将允许简单的安装过程。使用原型已经分析了几种变体。原型测量的应变在+/- 50,000muepsilon范围内的典型误差为+/- 1500muepsilon。此错误是由于原型中的限制所致，但是，开发的微传感器能够在相同范围内实现+/- 50muepsilon的应变分辨率。

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作者
O'Rielly, Mark.;
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作者单位

Memorial University of Newfoundland (Canada).;

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授予单位 Memorial University of Newfoundland (Canada).;
学科 Engineering Civil.
学位 M.Eng.
年度 2008
页码 139 p.
总页数 139
原文格式 PDF
正文语种 eng
中图分类普通生物学;
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Design, construction, and evaluation of a novel strain sensor for active structures.

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