Reinforcement learning-based control using Q-learning and gravitational search algorithm with experimental validation on a nonlinear servo system

IA Zamfirache, RE Precup, RC Roman, EM Petriu - Information Sciences, 2022 - Elsevier
This paper presents a novel Reinforcement Learning (RL)-based control approach that uses
a combination of a Deep Q-Learning (DQL) algorithm and a metaheuristic Gravitational …

Hybrid data-driven fuzzy active disturbance rejection control for tower crane systems

RC Roman, RE Precup, EM Petriu - European Journal of Control, 2021 - Elsevier
This paper proposes the Virtual Reference Feedback Tuning (VRFT) of a combination of two
control algorithms, Active Disturbance Rejection Control (ADRC) as a representative data …

A unified form of fuzzy C-means and K-means algorithms and its partitional implementation

ID Borlea, RE Precup, AB Borlea, D Iercan - Knowledge-Based Systems, 2021 - Elsevier
This paper proposes as an element of novelty the Unified Form (UF) clustering algorithm,
which treats Fuzzy C-Means (FCM) and K-Means (KM) algorithms as a single configurable …

Evolving fuzzy models for prosthetic hand myoelectric-based control

RE Precup, TA Teban, A Albu, AB Borlea… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
This article applies an incremental online identification algorithm to develop a set of evolving
fuzzy models (FMs) that characterize the nonlinear finger dynamics of the human hand for …

A survey on fuzzy control for mechatronics applications

RE Precup, AT Nguyen, S Blažič - International Journal of Systems …, 2024 - Taylor & Francis
Fuzzy control has become one of the most effective tools for dealing with complex
engineering processes. Over the years, research on fuzzy control systems has continuously …

Iterative feedback tuning algorithm for tower crane systems

RC Roman, RE Precup, EL Hedrea, S Preitl… - Procedia Computer …, 2022 - Elsevier
This paper proposes validates an Iterative Feedback Tuning (IFT) algorithm, which is a
classical and also popular data-driven algorithm, on tower crane systems. The IFT algorithm …

[PDF][PDF] Evolving fuzzy models of shape memory alloy wire actuators

RCR Hedrea, EM Petriu - Science and Technology, 2021 - romjist.ro
This paper suggests Takagi-Sugeno-Kang (TSK) fuzzy models that characterize the position
of Shape Memory Alloy (SMA) wire actuators. The systems dynamics are important because …

A practical implementation of robust evolving cloud-based controller with normalized data space for heat-exchanger plant

G Andonovski, P Angelov, S Blažič, I Škrjanc - Applied soft computing, 2016 - Elsevier
The RECCo control algorithm, presented in this article, is based on the fuzzy rule-based
(FRB) system named ANYA which has non-parametric antecedent part. It starts with zero …

Evolving fuzzy and neuro-fuzzy systems: Fundamentals, stability, explainability, useability, and applications

E Lughofer - Handbook on Computer Learning and Intelligence …, 2022 - World Scientific
This chapter provides an all-round picture of the development and advances in the fields of
evolving fuzzy systems (EFS) and evolving neuro-fuzzy systems (ENFS) which have been …

Evolving fuzzy systems—fundamentals, reliability, interpretability, useability, applications

E Lughofer - Handbook on computational intelligence: volume 1 …, 2016 - World Scientific
This chapter provides a round picture of the development and advances in the field of
evolving fuzzy systems (EFS) made during the last decade since their first appearance in …