Kalman filtering for prognostics

The following presentation is largely based on Tim Sullivan’s UQ book which I highly recommend. It gives clear and concise mathematical presentations of various topics in UQ. Suppose we have a state-observation model that is linear and additive. The state/variable under scrutiny here is linked to a degradation phenomenon, moreover the degradation dynamics here are supposed to be linear. For non-linear dynamics, non-parametric methods exist, especially using particle filters. For the moment let the system be defined as:

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