Hybrid estimator-based harmonic robust grid synchronization technique

Parameter estimation of harmonics-polluted single-phase grid voltage signal

“…With the state estimation error dynamics (7), let us consider the following Lyapunov function candidate [16]:…”

“…[35], the Kalman flter (linear, extended, unscented etc.) [19], phase-locked loop (PLL) [21,23,33,9,22], frequency-locked loop (FLL) [29,6,1,26,7], adaptive notch flter (ANF) [13], neural networks [27] etc. are some of the most commonly used techniques.…”

Low-pass filtering or gain tuning free simple DC offset rejection technique for single and three-phase systems

“…Existing literature on the accurate estimation of grid voltage parameter is huge and covers a wide variety of techniques. Some of the most popular techniques are: Kalman flter [20,21], discrete Fourier transform (DFT) [22,23], linear and nonlinear regression [21,24], adaptive notch flter (ANF) [25,26], second order generalized integrator (SOGI) [27][28][29][30][31][32][33], Luenberger observer [34][35][36], open-loop techniques [37,38], phase-locked loop [39][40][41][42][43][44], to name a few.…”

Gradient Estimator-Based Amplitude Estimation for Dynamic Mode Atomic Force Microscopy: Small-Signal Modeling and Tuning

“…To overcome the tuning issue of gradient estimator, in this paper, we present a small-signal model of the gradient estimator inspired by [22][23][24]. From the model, simple tuning rule is obtained.…”