基于压电元件的振动主动控制

Active Vibration Control Based on Piezoelectric Elements

对配置压电元件作为传感器、驱动器，基于自适应滤波技术的柔性结构主动振动控制进行了实验研究。介绍了压电传感器、驱动器原理及其检测、驱动电路，阐述了自适应控制的基本原理，导出了控制算法，并介绍了控制系统构成，实验结果验证了本文所述方法的有效性。

A method for active vibration control of flexible structures using piezoelectric sensors and actuators, based on adaptive filtering, is proposed. The principles of piezoelectric sensor and actuator as well as the measuring and driving circuits are introduced. This paper also describes the principle, composition and algorithm of the control system. Experiment results show the validity of the method.