Hilbert transform History of engineering & technology ICT Industry 4.0 IoT Monte Carlo methods Phasor Measurement Unit Power System Measurement QoS active distribution networks audio coding congestion management current measurement damping estimation digital systems distribution grids electrical engineering grid state forecast load flow analysis low cost low-voltage grids nonlinear least square approximation on-load tap changer transformers optimal meter placement oscillations reshaping power cable reliability smart grid smart grids synchronization