Robust additive manufacturing performance through a control oriented digital twin

P Stavropoulos, A Papacharalampopoulos, CK Michail… - Metals, 2021 - mdpi.com
The additive manufacturing process control utilizing digital twins is an emerging issue.
However, robustness in process performance is still an open aspect, due to uncertainties …

Novel bearing fault diagnosis using gaussian mixture model-based fault band selection

AS Maliuk, AE Prosvirin, Z Ahmad, CH Kim, JM Kim - Sensors, 2021 - mdpi.com
This paper proposes a Gaussian mixture model-based (GMM) bearing fault band selection
(GMM-WBBS) method for signal processing. The proposed method benefits reliable feature …

Set-based guaranteed active fault diagnosis for LPV systems with unknown bounded uncertainties

J Tan, S Olaru, MM Seron, F Xu - Automatica, 2021 - Elsevier
This paper focuses on designing, via the minimization of a suitable cost function, an input
sequence to guarantee active fault diagnosis (AFD) of discrete-time linear parameter …

[PDF][PDF] A fault estimation and fault-tolerant control based sliding mode observer for LPV descriptor systems with time delay

H Hamdi, M Rodrigues, B Rabaoui… - … Journal of Applied …, 2021 - intapi.sciendo.com
This paper considers the problem of fault-tolerant control (FTC) and fault reconstruction of
actuator faults for linear parameter varying (LPV) descriptor systems with time delay. A …

Actuator fault estimation based on a proportional-integral observer with nonquadratic Lyapunov functions

J Guzman, FR López-Estrada… - … Journal of Systems …, 2021 - Taylor & Francis
This work proposes a proportional-integral fault estimation observer for nonlinear systems
by means of convex structures. Unlike the traditional approaches that consider quadratic …

Adaptive fuzzy approximation control of PV grid-connected inverters

M Shadoul, H Yousef, R Al Abri, A Al-Hinai - Energies, 2021 - mdpi.com
Three-phase inverters are widely used in grid-connected renewable energy systems. This
paper presents a new control methodology for grid-connected inverters using an adaptive …

Actuator and sensor fault estimation based on a proportional multiple‐integral sliding mode observer for linear parameter varying systems with inexact scheduling …

S Gómez‐Peñate, FR López‐Estrada… - … Journal of Robust …, 2021 - Wiley Online Library
This article proposes an approach for the estimation of states, actuator, and sensor faults in
nonlinear systems represented by a polytopic linear parameter varying (LPV) system with …

A machine-learning approach to synthesize virtual sensors for parameter-varying systems

D Masti, D Bernardini, A Bemporad - European Journal of Control, 2021 - Elsevier
This paper introduces a novel model-free approach to synthesize virtual sensors for the
estimation of dynamical quantities that are unmeasurable at runtime but are available for …

Robust model predictive control for nonlinear parameter varying systems without computational delay

J Lan, D Zhao - International Journal of Robust and Nonlinear …, 2021 - Wiley Online Library
This article proposes a one‐step ahead robust model predictive control (MPC) for discrete‐
time Lipschitz nonlinear parameter varying (NLPV) systems subject to disturbances. Within …

Fuzzy static output control of T–S fuzzy stochastic systems via line integral Lyapunov function

CC Ku, YC Yeh, YH Lin, YY Hsieh - Processes, 2021 - mdpi.com
Considering some unmeasurable states, a fuzzy static output control problem of nonlinear
stochastic systems is discussed in this paper. Based on a modelling approach, a Takagi …