An effective control solution for doubly-fed induction generator under harsh balanced and unbalanced voltage sags

A Tilli, C Conficoni, A Hashemi - Control Engineering Practice, 2019 - Elsevier
This paper presents a novel control algorithm for the rotor-side converter of Doubly-Fed
Induction Generators. The main goal is to endow the system with effective Low Voltage Ride …

Semiglobal uniform asymptotic stability of an easy-to-implement pll-like sensorless observer for induction motors

A Tilli, C Conficoni - IEEE Transactions on Automatic Control, 2016 - ieeexplore.ieee.org
In this work, stability properties of a novel and easy-to-implement sensorless observer for
induction motors are investigated. The considered solution is inspired by phase-locked-loop …

A synchronous coordinates approach in position and speed estimation for permanent magnet synchronous machines

A Tilli, G Cignali, C Conficoni… - 2012 20th Mediterranean …, 2012 - ieeexplore.ieee.org
A novel and simple observer scheme is proposed for rotor speed and position reconstruction
for Permanent Magnet Synchronous Machines. The reference frame adopted in the observer …

Induction motor sensorless observer aligned with rotor flux derivative

A Tilli, C Conficoni - 2014 IEEE Conference on Control …, 2014 - ieeexplore.ieee.org
A novel observer is proposed to reconstruct rotor speed and rotor flux vector in induction
motors. The presented solution is characterized by a simple structure, based on a rotating …

A novel control solution for improved trajectory tracking and LVRT performance in DFIG-based wind turbines

A Hashemi, C Conficoni, A Tilli - Control theory and technology, 2020 - Springer
This paper presents a new control strategy for the rotor side converter of Doubly-Fed
Induction Generator based Wind Turbine systems, under severe voltage dips. The main goal …

State reference design and saturated control of doubly-fed induction generators under voltage dips

A Tilli, C Conficoni, A Hashemi - International Journal of Control, 2017 - Taylor & Francis
In this paper, the stator/rotor currents control problem of doubly-fed induction generator
under faulty line voltage is carried out. Common grid faults cause a steep decline in the line …

Zero dynamics trajectory planning in output control of Doubly Fed Induction Machines

A Tilli, A Hashemi, C Conficoni - IECON 2016-42nd Annual …, 2016 - ieeexplore.ieee.org
In this paper, the problem of controlling the stator currents in Doubly-Fed Induction Machines
is considered under large symmetric and asymmetric variations of the line voltage. This point …