Grid-connected converters: A brief survey of topologies, output filters, current control, and weak grids operation

GV Hollweg, SA Khan, S Chaturvedi, Y Fan, M Wang… - Energies, 2023 - mdpi.com
Grid-connected converters (GCCs) are used extensively for the integration of DC power
sources with AC power sources. However, since it is a complex topic, there are many …

Control Methodologies to Mitigate and Regulate Second-Order Ripples in DC–AC Conversions and Microgrids: A Brief Review

S Chaturvedi, M Wang, Y Fan, D Fulwani, GV Hollweg… - Energies, 2023 - mdpi.com
Second-order ripples occur in the voltage and current during any DC–AC power conversion.
These conversions occur in the voltage source inverters (VSIs), current source inverters …

A hybrid robust adaptive sliding mode controller for partially modelled systems: Discrete-time lyapunov stability analysis and application

DMC Milbradt, PJD de Oliveira Evald… - Nonlinear Analysis …, 2023 - Elsevier
This work presents a new discrete-time Hybrid Robust Adaptive Sliding Mode Controller,
developed from the union of a Robust Model Reference Adaptive Controller, an Adaptive …

Adaptive sliding mode controller based on fuzzy rules for a typical excavator electro-hydraulic position control system

H Feng, J Jiang, X Chang, C Yin, D Cao, H Yu… - … Applications of Artificial …, 2023 - Elsevier
In order to improve the trajectory tracking accuracy and robustness of a typical heavy electro-
hydraulic position system, a fuzzy adaptive sliding mode controller is proposed. A potential …

A robust adaptive one sample ahead preview controller for grid-injected currents of a grid-tied power converter with an LCL filter

DMC Milbradt, GV Hollweg… - International Journal of …, 2022 - Elsevier
This paper presents the development of a discrete-time Robust Adaptive One Sample
Ahead Preview controller, based on the combination of a Robust Model Reference Adaptive …

Lyapunov stability analysis of a robust model reference adaptive PI controller for systems with matched and unmatched dynamics

PJD de Oliveira Evald, GV Hollweg… - Journal of the Franklin …, 2022 - Elsevier
In this paper, the discrete-time Lyapunov stability analysis of a Robust Model Reference
Adaptive PI (Proportional-Integral) Controller is presented. The mathematical development …

Self-tuning methodology for adaptive controllers based on genetic algorithms applied for grid-tied power converters

GV Hollweg, PJD de Oliveira Evald, E Mattos… - Control Engineering …, 2023 - Elsevier
The performance and stability of adaptive controllers is highly dependent on its parameter
initialization. For non-expert designers, the parametrization of these controllers can be …

A direct adaptive controller with harmonic compensation for grid-connected converters

GV Hollweg, PJD de Oliveira Evald… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Grid-connected converters are uncertain time-varying systems, whose controllers must deal
with the relevant inductive content and high harmonic distortion of the sampled voltages …

A modified robust adaptive super-twisting sliding mode controller for grid-connected converters

GV Hollweg, PJDO Evald, RV Tambara, W Su… - International Journal of …, 2023 - Springer
This work introduces the application of a new adaptive control structure, which is a
modification of the robust model reference adaptive controller (RMRAC) and adaptive super …

A hybrid robust model reference adaptive controller and proportional integral controller without reference model for partially modeled systems

PJDO Evald, GV Hollweg, RV Tambara… - … Journal of Adaptive …, 2023 - Wiley Online Library
This work presents the discrete‐time stability analysis of a hybrid robust model reference
adaptive controller and proportional‐integral controller (MRAC‐PI) controller using …