Predictive digital control of power factor preregulators with input voltage estimation using disturbance observers

By Paolo Mattavelli, G. Spiazzi, P. Tenti. IEEE transactions on power electronics, 2005

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Predictive Control of a Three-Phase Neutral-Point-Clamped Inverter (2007, background): “power factor correction [18], and active filters [19], [20].”
Model Predictive Control of an Inverter With Output $LC$ Filter for UPS Applications (2009, background): “The most wellknown scheme is deadbeat control, and it has been applied to current control in inverters [17], [18], rectifiers [19], active filters [20], [21], power-factor preregulators [22], and UPSs [6], [23].”
Overview of Control and Grid Synchronization for Distributed Power Generation Systems (2006, methodology): “To compensate for this delay, an observer can be introduced in the structure of the controller, with the aim to modify the current reference to compensate for the delay [46], as shown in Fig.”
“Predictive control in power electronics and drives” (2008, background): “factor correctors [26], power factor preregulators [27], [28], uninterruptible power supplies [29]–[31], dc–dc converters [32], and torque control of induction machines [33].”