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A comprehensive observer-based fault isolation method with application to a hydraulic power train

机译:基于观察者的综合故障隔离方法及其在液压传动中的应用

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This paper concerns observer-based fault isolation. As a new contribution it combines structural diagnosability analysis with observer-based residual generation. Structural analysis techniques are used to find diagnosable subsystems within the system model from each of which an observer can be built. The resulting bank of observers provides a vector of residuals. Evaluation of this residual vector is realized by structural methods which makes fault isolation possible. The result is a comprehensive way to build a fault diagnoser for a class of nonlinear systems. The proposed diagnosis method is evaluated at an automotive application, which is a hydraulic power train.
机译:本文涉及基于观察者的故障隔离。作为一项新的贡献,它将结构可诊断性分析与基于观察者的残差生成相结合。结构分析技术用于在系统模型中找到可诊断的子系统,从每个子系统都可以构建观察者。结果观察者库提供了残差向量。通过使故障隔离成为可能的结构方法来实现对该残差矢量的评估。结果是为一类非线性系统构建故障诊断程序的综合方法。提出的诊断方法在汽车应用中进行评估,该应用是液压传动系。

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