简介：Byaccuratelymeasuringthedisplacementbetweentherollersurfaceandtheopticalfiberproberelativetoanullposition,wecantesttherollerwear.Thewholetestingmethodandsystemwereintroduced.Eachpartofthetestingsystemwasillustrated.Andalsoanovelfiber-opticsensorwiththreeprobesinequaltransversespaceisadopted.Usingthissensor,theeffectsoffluctuationsinthelightsource,reflectivitychangingoftargetsurfaceandtheintensitylossesinthefiberlinesareautomaticallycompensated.Thismethodofferssuchadvantagesasnon-contact,noelectromagneticinterference,simplicity,lowcost,highsensitivity,goodaccuracyandstability.
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