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Fault Diagnosis for Robust Servo Systems

机译:鲁棒伺服系统的故障诊断

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摘要

In this chapter, we propose two fault diagnosis methods for robust servo systems in the case of bias faults. First, we consider the case where only input bias faults occur, and show that the difference between the plant input and the model input possesses required functions as a residual generator for a stable plant. Second, we construct a fault diagnosis system in a general framework, where the residual generator is composed so as to respond to faults alone. The residual is evaluated by the estimation error of faults. The evaluation time is reduced by using data fitting. Numerical examples demonstrate the efficiency of our method.
机译:在本章中,我们提出了在出现偏置故障时针对鲁棒伺服系统的两种故障诊断方法。首先,我们考虑仅发生输入偏差故障的情况,并表明工厂输入与模型输入之间的差异具有所需的功能,作为稳定工厂的残差生成器。其次,我们在一个通用的框架内构建了一个故障诊断系统,在该系统中,组成了残差生成器,以便仅对故障做出响应。通过故障估计误差来评估残差。通过使用数据拟合,可以减少评估时间。数值例子证明了我们方法的有效性。

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