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US07958062B2 Method and system of creating health operating envelope for dynamic systems by unsupervised learning of a sequence of discrete event codes 有权
通过离散事件代码序列的无监督学习，为动态系统创建健康操作包络的方法和系统

Method and system of creating health operating envelope for dynamic systems by unsupervised learning of a sequence of discrete event codes
Abstract:
A method and system for creating healthy operating envelope from only data samples obtained during normal operation/behavior of dynamic systems is provided. This method determines healthy operating envelope by clustering a stream of discrete event code sequences from the underlying system under normal operation condition only. The method is unsupervised, that is, requiring no prior knowledge of event code patterns corresponding to different operation conditions. Such created envelope can be used for fault detection and health monitoring of dynamic systems.
Abstract(Chinese):

提供了一种从动态系统的正常操作/行为中获得的数据样本创建健康操作包络的方法和系统。 该方法通过在正常操作条件下聚类来自底层系统的离散事件代码序列流来确定健康操作包络。 该方法是无监督的，也就是说，不需要事先知道与不同操作条件对应的事件代码模式。 这种创建的信封可用于动态系统的故障检测和健康监测。

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