基于ICA的水轮发电机组振动信号分离算法的研究与应用

Research on ICA algorithm of vibration signal separation and its application to hydroelectric generating unit

针对水轮发电机组的振动信号复杂、耦合相关的特点,采用ICA盲分离算法完成对振动信号的分离。文中对ICA典型算法的理论进行了论述,给出了算法的应用特点;选定FastICA算法应用于水轮发电机组振动信号的分离试验中,通过实例验证,该算法能有效地将水轮发电机组振动信号中的独立振源成功分离。

In this paper,an ICA algorithm for blind source separation is used to separate the complex and coupling-related of turbine-generator unit vibration signals.The theory of ICA algorithms and its application are discussed.FastICA algorithm is adopted in the present work.A case study indicates that this algorithm can effectively separate the independent signal from the vibration signals.