第36卷第5期2023年5月传感技术学报CHINESEJOURNALOFSENSORSANDACTUATORSVol.36No.5May2023项目来源:湖北省自然科学基金项目(2019CFB590);江汉大学校级科研项目(2021YB151)收稿日期:2022-05-18修改日期:2022-06-23ResearchonMeasurementsystemofDoorGapinBody⁃In⁃WhiteBasedonFiberBraggGratingsANDLabVIEW∗YUQuanquan,MENGLijun∗(CollegeofIntelligentManufacturing,JianghanUniversity,WuhanHubei430056,China)Abstract:AnautomaticdoorgapmeasurementsystemforbodyinwhitebasedonFiberBragggratings(FBG)sensingtechnologyisde⁃signed.Thesensoradoptswedgeslider⁃cantileverbeamsensorstructure,andthesensorprincipleisanalyzed.FBGhigh⁃frequencyde⁃modulationmoduleareusedtocollectsensorsignals,andthedataistransmittedthroughwirelessbridgeST5816H-C.Theuppercom⁃puterinterfacesystemisdesignedbasedonLabVIEWdevelopmentplatform.Experimentalresultsshowthatthelinearityofthemeasure⁃mentsystemisupto2.7%FS,andthemeasurementaccuracyis±0.13mm.Itcanmeasuretheclearancevaluesin12pointssynchroni⁃callyandinrealtime,andrealizethemulti⁃statereal⁃timedisplayofsensorposition,clearancehistorycurve,cl...