简介:Thesecurityofcivilengineeringisanimportanttaskduetotheeconomic,socialandenvironmentalsignificance.Comparedwithconventionalsensors,theopticalfibersensorshavetheiruniquecharacteristics.Beingdurable,stableandinsensitivetoexternalperturbations,theyareparticularinterestingforthelong-termmonitoringofcivilstructures.Focusisonabsolutemeasurementopticalfibersensors,whichareemergingfromthemonitoringlargestructural,includingSOFOsystem,F-Popticalfibersensors,andfiberBragggratingsensors.Theprinciple,characteristicandapplicationofthesethreekindsofopticalfibersensorsaredescribedtogetherwiththeirfutureprospects.
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简介:一个新奇的单个戒指的绝对的光柄编码器被在这篇论文学习传统的绝对的光柄编码器的编码原则设计。对编码器的取向算法的描述被指定,并且为向取向解释算术的一个例子被给它显示编码器的理论工作。获得电荷耦合器件的信号的视觉接口与VB被显示出,它提供可靠基础处理数据。编码器的测量精确的有效因素被分析。CLC数字TP212.14
简介:Inthispaper,LyapunovfunctionmethodisusedtostudytherobustabsolutestabilityofgeneralintervalLur'etypenonlinearcontrolsystems.Asaresult,algebraicallysufficientconditionswithintervalmatrixinequalityformareobtainedforthegeneralintervalLur'etypenonlinearcontrolsystems,thustherelationshipbetweenthestabilityofsymmetricalintervalmatrixandtherobustabsolutestabilityofgeneralintervalLur'etypenonlinearcontrolsystemsisestablished.