LPV Observer-Based Strategy for Rejection of Periodic Disturbances with Time-Varying Frequency

<div>Disturbance estimation. Top: the estimation for the whole time interval. Bottom: detailed view of the estimation for two different operating points.</div>

Mathematical Problems in Engineering

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Figure 7

Figure 7: LPV Observer-Based Strategy for Rejection of Periodic Disturbances with Time-Varying Frequency 