this work proposes a neural-fuzzy sliding mode control scheme for a hydro-turbine speed governor system. considering the assumption of elastic water hammer, a nonlinear mode of the hydro-turbine governor system is established. by linearizing this mode, a sliding mode controller is designed. the linearized mode is subject to uncertainties. the uncertainties are generated in the process of linear...

Evolving models have found applications in many real world systems. In this paper, potentials of the Evolving Linear Models (ELMs) in tracking control design for nonlinear variable structure systems are introduced. At first, an ELM is introduced as a dynamic single input, single output (SISO) linear model whose parameters as well as dynamic orders of input and output signals can change through ...

In this paper, an advance repetitive control method (RCM) for fuzzy current control based grid connected inverter with a frequency adaptive capability is proposed. The main objective of the proposed scheme is to reduce total harmonic distortion (THD) such that by changing the FIR filter according to varied grid frequency and keeps the resonant frequencies fitting the grid fundamental and harmon...

The single phase inverter performance through the unipolar and bipolar strategies has been previously analyzed based on constant switching frequency pulse width modulation (CSFPWM). However, confined band variable PWM (CB-VSFPWM) is currently proposed as a new technique strategy to facilitate design of high order filter, reduce losses, current total harmonics distortion (THD) well. To evaluate ...

A photovoltaic generator connected to a large network and supplying nonlinear load (source of harmonics) injects distorted current into the grid. This manuscript presents an invariant-ellipsoid set design robust controlled active power filter inject grid with minimum total harmonic distortion (THD). The is considered external disturbance minimize its effect on injected current. Moreover, modele...