利用自驱动、自传感特性的压电陶瓷片，粘贴在外部结构的表面，结合动态阻抗的概念，提出了一种机电耦合的在线压电阻抗技术用于结构健康诊断。
Combined with impedance concept, a method for on line structure health monitoring based on self sensing piezoelectric patches, which are bonded on the surface of the structure, is presented.
在机构的弹性杆件上贴上压电陶瓷片作为驱动器，通过测量弹性杆上输出点的动态应变，确定机构动力系统的状态，实时地进行最优反馈控制。
The state of the dynamic system is determined by measuring the dynamic strains of the output points at the flexible links, and the real time optimal feedback control in operated.
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