基于Kalman滤波的机械系统微弱突变振动信号的检测方法

来源 :第十二届全国非线性振动暨第九届全国非线性动力学和运动稳定性学术会议 | 被引量 : 0次 | 上传用户:hznewblue
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利用Kalman滤波方法可以对机械系统振动信号中的微弱突变信号进行有效的侦测。本文首先给出了基于AR模型的机械系统振动响应的状态空间方程描述方法,在此基础上,提出了利用Kalman滤波进行可能存在的微弱突变振动信号的侦测具体实施步骤。利用转子系统平稳运行时的振动实测数据进行了本文方法的验证。
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