Filters








3,120 Hits in 5.6 sec

Remaining Useful Lifetime Prognosis of Controlled Systems: A Case of Stochastically Deteriorating Actuator

Danh Ngoc Nguyen, Laurence Dieulle, Antoine Grall
2015 Mathematical Problems in Engineering  
An integrated model is proposed to jointly describe the state of the controlled process and the actuator deterioration.  ...  The deterioration modeling and the Remaining Useful Lifetime (RUL) estimation for such closed-loop dynamic system have not been addressed extensively.  ...  Acknowledgment This work is a part of the Ph.D. research work of Danh Ngoc Nguyen financially supported by Ministère de l'Enseignement Supérieur et de la Recherche, France.  ... 
doi:10.1155/2015/356916 fatcat:i74qffo7vfevhgb4st37qj2rzu

Review of Post-Prognostics Decision-Making in Prognostics and Health Management

Omar Bougacha, Christophe Varnier, Noureddine Zerhouni
2021 International Journal of Prognostics and Health Management  
Additionally, this paper presents a synthesis of the previous works that helps identify new trends and deficiencies in the decision-making process. The synthesis can guide efforts for future work.  ...  and prognostic process in which the source of failure is detected and the remaining useful life (RUL) is predicted and finally the decision- making process that refers to the term management in prognostics  ...  The importance of those interactions offers a promising field of research in prognostics and health management.  ... 
doi:10.36001/ijphm.2020.v11i2.2928 fatcat:ljchziptpvcark32jpxkf6qlg4

Smart Maintenance Model using Cyber Physical System

Basim Al-Najjar, Hatem Algabroun, Mikael Jonsson
2019 Zenodo  
The purpose of this paper is to propse a maintenance model that is automatic, digitzalised and intelligent using Cyber Physical System (CPSMaint).  ...  This paper provides a framework that could help developers and researchers in desining and developing an automatic and smart maintenance system.  ...  Automatic maintenance: Actuators, in this paper, are for conducting specific condition-based actions, such as controlling speed and load, start-stop of a machine, controlling the condition of bearing through  ... 
doi:10.5281/zenodo.2638092 fatcat:mlxck3cio5dr5p7nl5sx35a64m

Joint Special Issue on PHM for Aerospace Systems

Chetan S Kulkarni, Kai Goebel
2021 International Journal of Prognostics and Health Management  
processes, assessment of retrofit solutions for particular aircraft systems, PHM informed decision-making for safe operations of autonomous aerial systems, impact of noise on prognostic performance, and  ...  These topics include advances in anomaly detection and diagnostics, uncertainty management for prognostics, resilient design for fault-tolerant operations, systematic evaluation of PHM for maintenance  ...  This paper presents the results of a feasibility study of such a system for electro-hydraulic actuators used in fly-by-wire primary flight control systems, considering the actuator of a wide body commercial  ... 
doi:10.36001/ijphm.2021.v12i3.2941 fatcat:azvzve46nndrbjappgwyevzgfi

A Parametric Predictive Maintenance Decision-Making Framework Considering Improved System Health Prognosis Precision

Khac Tuan Huynh, Antoine Grall, Christophe Berenguer
2018 IEEE Transactions on Reliability  
The proposed framework is developed for a single-unit stochastically deteriorating system, maintained through inspection and replacement operations.  ...  Unlike more classical frameworks, it uses the estimated precision on the prognosis of the system residual useful life as a condition index to decide for and to schedule the interventions on the system.  ...  SYSTEM MODELING AND CONDITION INDICES We consider in this section a deterioration-based failure model for a continuously deteriorating single-unit system built on a univariate stochastic deterioration  ... 
doi:10.1109/tr.2018.2829771 fatcat:un2ackvzm5aifbb4xbicjds564

Intelligent infrastructures systems for sustainable urban environment

Daniel Amariei, Gilbert Rainer Gillich, Dan Baclesanu, Theodoros Loutas, Constantinos Angelis
2008 Analele Universităţii "Eftimie Murgu" Reşiţa: Fascicola I, Inginerie  
These new structures will be therefore capable of Structural Health Monitoring (SHM), involving applications of electronics and smart materials, aiming to assist engineers in realizing the full benefits  ...  Extensive research is now under way around the world to develop advanced technologies to enhance the performances of infrastructure systems.  ...  This requires the development of modeling capabilities for the intelligent material systems and sensor / actuator components, for the control systems as well as for their integration in system-level virtual  ... 
doaj:427a84d6a43b4b88a3c9c3ac5768e22b fatcat:5u7tytx2ibcm5oqsh3xqpt6zdy

Modeling for Prognostics and Health Management: Methods and Applications

Xiao-Sheng Si, Chang-Hua Hu, Enrico Zio, Gang Li
2015 Mathematical Problems in Engineering  
We also appreciate all reviewers who dedicated their time and effort to perform review of all the submitted papers and provided valuable suggestions to the authors.  ...  Acknowledgments We would like to express appreciation to the authors for their excellent contributions and patience in assisting us.  ...  "Remaining Useful Lifetime Prognosis of Controlled Systems: A Case of Stochastically Deteriorating Actuator" by D. N.  ... 
doi:10.1155/2015/613896 fatcat:ufouznxk7nau7hy2hdshwjyt4m

Degradation curves integration in physics-based models: Towards the predictive maintenance of industrial robots

P. Aivaliotis, Z. Arkouli, K. Georgoulias, S. Makris
2021 Robotics and Computer-Integrated Manufacturing  
A B S T R A C T Predictive maintenance has been proposed to maximize the overall plant availability of modern manufacturing systems.  ...  This paper aims to address this challenge by introducing a generic framework for the enhancement of advanced physics-based models with degradation curves.  ...  Acknowledgement Part of the work reported in this paper makes reference to the EC research project www.programs-project.eu "PENELOPE Closed-loop digital pipeline for a flexible and modular manufacturing  ... 
doi:10.1016/j.rcim.2021.102177 fatcat:x3x3radbqfhg5ac2taugpe5ywu

Special section on ``Applications of probabilistic graphical models in dependability, diagnosis and prognosis''

Philippe Weber, Luigi Portinale
2017 Reliability Engineering & System Safety  
This work presents a Model Predictive Control (MPC) framework taking into account the usage of the actuators to preserve system reliability while maximizing control performance.  ...  The effectiveness and benefits of the proposed control framework are discussed through its application to an over-actuated system.  ... 
doi:10.1016/j.ress.2017.04.017 fatcat:xz3c4s62fzattc3trrlgkpio5e

2020 Index IEEE Transactions on Reliability Vol. 69

2020 IEEE Transactions on Reliability  
Dutta, A., +, TR Dec. 2020 1267-1292 Nonlinear control systems A New Synthetic Minmax Optimization Design of H3 LQ Tracking Control for Industrial Processes Under Partial Actuator Failure.  ...  ., +, TR June 2020 484-496 Closed loop systems A New Synthetic Minmax Optimization Design of H 3 LQ Tracking Control for Industrial Processes Under Partial Actuator Failure.  ... 
doi:10.1109/tr.2021.3050424 fatcat:fpn4y3gddvfobm3v7c25iogmxi

Condition-Based Monitoring and Maintenance: State of the Art Review

Ahad Ali, Abdelhakim Abdelhadi
2022 Applied Sciences  
This paper provides a review of the theoretical and practical development in the field of condition-based maintenance and its current advancements.  ...  CBM policies and the development of the mathematical models have been growing recently.  ...  Wavelet and model/feature-based approaches are commonly used for failure prediction/condition-based monitoring and maintenance on the basis of the sensor and/or controller data.  ... 
doi:10.3390/app12020688 fatcat:c7rthy6n4rbw7du7k3inhvnlpy

Moving Horizon Model Based Control in the Presence of Feedback Noise

Liu Zhimin, Wang Joe Keqi, Arthur Hu
2013 International Journal of Science and Engineering Applications  
This paper studies the performance of networked control systems with a receding horizon controller.  ...  The impact of this noise on the closed-loop system performance is examined through both theoretical analysis and numerical experiments.  ...  This suboptimal control gives rise to deterioration of closed-loop performance. MODIFIED MPC ALGORITHM In this section we propose a modification of the original model predictive control framework.  ... 
doi:10.7753/ijsea0206.1001 fatcat:u62r2fpwvzbdrawb632sjankwm

System reliability aware Model Predictive Control framework

Jean C. Salazar, Philippe Weber, Fatiha Nejjari, Ramon Sarrate, Didier Theilliol
2017 Reliability Engineering & System Safety  
This work presents a Model Predictive Control (MPC) framework taking into account the usage of the actuators to preserve system reliability while maximizing control performance.  ...  The effectiveness and benefits of the proposed control framework are discussed through its application to an over-actuated system.  ...  It has been selected for the special section of Reliability Engineering and System Safety (Elsevier) on "Applications of Probabilistic Graphical Models in Dependability, Diagnosis and Prognosis".  ... 
doi:10.1016/j.ress.2017.04.012 fatcat:n3r6aujk4jdennbrl4cl5dbo7i

Condition monitoring of a friction drive system

Diego J. Rodriguez, John J. Martinez, Christophe Berenguer
2017 2017 IEEE 3rd Colombian Conference on Automatic Control (CCAC)  
This paper presents an approach for condition monitoring of a friction drive system, based on a recently developed deterioration estimation approach which includes the mechanical device dynamics and the  ...  dynamics of the deterioration at the joint.  ...  The deterioration of this kind of actuators is unavoidable and in consequence optimal control actions are needed to manage the actuators during their useful lifetime, to get a trade-off between efficiency  ... 
doi:10.1109/ccac.2017.8276461 fatcat:3hmneh6vzrab5luictb3ziumhu

Deterioration estimation for remaining useful lifetime prognosis in a friction drive system

Diego J. Rodriguez, John J. Martinez, Christophe Berenguer
2017 IFAC-PapersOnLine  
Deterioration estimation on electromechanical devices represents a key issue for condition-based and predictive maintenance.  ...  DYNAMICAL MODEL OF DETERIORATION Definition of deterioration for the roller-on-tire system The deterioration is defined here as a measure of the loss in the actuator ability to transfer power to the  ... 
doi:10.1016/j.ifacol.2017.08.1834 fatcat:f6fxgz47u5hsnevlb23lfcrvby
« Previous Showing results 1 — 15 out of 3,120 results