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Mathematical Methods and Modeling in Machine Fault Diagnosis

Ruqiang Yan, Xuefeng Chen, Weihua Li, Shuangwen Sheng
2014 Mathematical Problems in Engineering  
The proposed feature extraction method combines the merits of these two techniques and extracts the inherent pattern structure embedded in the discriminatory features.  ...  embedded in the samples.  ...  We are also grateful to all the reviewers for their insightful and constructive comments. Ruqiang Yan Xuefeng Chen Weihua Li Shuangwen Sheng Submit your manuscripts at http://www.hindawi.com  ... 
doi:10.1155/2014/516590 fatcat:neyrvxmv4reizn4kef3ia4qouq

AIRBUS efforts towards advanced real-time Fault Diagnosis and Fault Tolerant Control

Philippe Goupil, Josep Boada-Bauxell, Andres Marcos, Emmanuel Cortet, Murray Kerr, Hugo Costa
2014 IFAC Proceedings Volumes  
In this article the industrial goals and objectives of the European Framework 7th project termed "REconfiguration of CONtrol in Flight for Integral Global Upset Recovery (RECONFIGURE)" are presented.  ...  Thus, the main goal of RECONFIGURE is to research and develop aircraft FDD and FTC technologies that facilitate the automated handling of off-nominal/abnormal events and optimize the aircraft status and  ...  ACKNOWLEDGMENTS This work was performed in the framework of the European RECONFIGURE Project: Grant agreement №: FP7-314544.  ... 
doi:10.3182/20140824-6-za-1003.01945 fatcat:mb5zzm6d4repjbwoc5h6holfpm

Fault-tolerant control using dynamic inversion and model-predictive control applied to an aerospace benchmark

D.A. Joosten, T.J.J. van den Boom, T.J.J. Lombaerts
2008 IFAC Proceedings Volumes  
This paper features the combination of model-based predictive control and dynamic inversion into a constrained and globally valid control method for fault-tolerant flight-control purposes.  ...  Both of these properties lead to the fault-tolerant qualities of the method.  ...  ACKNOWLEDGEMENTS This work was supported by the Dutch Technology Foundation (STW) under project number DMR6515.  ... 
doi:10.3182/20080706-5-kr-1001.02036 fatcat:fqhpmtut2jhqxeryn6ejkjpqfq

A Text-Driven Aircraft Fault Diagnosis Model Based on a Word2vec and Priori-Knowledge Convolutional Neural Network

Zhenzhong Xu, Bang Chen, Shenghan Zhou, Wenbing Chang, Xinpeng Ji, Chaofan Wei, Wenkui Hou
2021 Aerospace (Basel)  
In the process of aircraft maintenance and support, a large amount of fault description text data is recorded.  ...  However, most of the existing fault diagnosis models are based on structured data, which means they are not suitable for unstructured data such as text.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/aerospace8040112 fatcat:66fqla2r4fcftay6jrfig3zcca

Hybrid Sensor-Based Backstepping Control Approach with Its Application to Fault-Tolerant Flight Control

L. G. Sun, C. C. de Visser, Q. P. Chu, W. Falkena
2014 Journal of Guidance Control and Dynamics  
Two benchmarks for fault tolerant flight control (FTFC), named rudder runaway and engine separation, are employed to evaluate the proposed method.  ...  This Lyapunov function based method uses measurements of control variables and less model knowledge, and it is not susceptible to the model uncertainty caused by fault scenarios.  ...  For the purpose of providing a validation platform for modern FDI and FTFC strategies, 6 fault scenarios have been embedded in the Reconfigurable Control for Vehicle Emergency Relief (RECOVER) benchmark  ... 
doi:10.2514/1.61890 fatcat:kb2y5ei4ubbfnnos6bi56deshu

A CASE STUDY OF VIBRATION FAULT DIAGNOSIS APPLIED AT ROLLS-ROYCE T-56 TURBOPROP ENGINE

Christos Skliros
2020 Aviation  
Identification of the root cause of a vibration fault is a significant challenge for both engine manufacturers and operators.  ...  This work contributes to enhancing the understanding of turboprop engine behaviour under vibration conditions and highlights the merit of combing information from technical logs, maintenance manuals and  ...  for the fault.  ... 
doi:10.3846/aviation.2019.11900 fatcat:cojafkfvjfawxm3mvzcdyeyjni

Fault-Tolerant Aircraft Control Based on Self-Constructing Fuzzy Neural Networks and Multivariable SMC Under Actuator Faults

Xiang Yu, Yu Fu, Peng Li, Youmin Zhang
2018 IEEE transactions on fuzzy systems  
Firstly, the upper bounds of the norms of the unknown functions are introduced, which contain actuator faults and model uncertainties.  ...  Moreover, with the aid of SCFNNs, a multivariable sliding mode control (SMC) is developed to guarantee the finite-time stability of the handicapped aircraft.  ...  The authors would like to thank Sean Zhang for the proofreading that helped to improve the presentation of this paper significantly.  ... 
doi:10.1109/tfuzz.2017.2773422 fatcat:rpqzl72mbvf5xjnphymt7p3rky

Review on electro hydrostatic actuator for flight control

Navatha Alle, Somashekhar S. Hiremath, Singaperumal Makaram, Karunanidhi Subramaniam, Apratim Talukdar
2016 International Journal of Fluid Power  
The paper also includes control strategies, reliability and fault tolerant techniques along with the thermal aspects of the EHA system.  ...  The review concludes by summarising the scope for further research in the area of redundancy strategies and approaches for integrated vehicle health management. KEYWORDS  ...  Hence before the model can be used in embedded controllers, the technique of model identification can be used to improve upon a model by using the experimental results.  ... 
doi:10.1080/14399776.2016.1169743 fatcat:ygdz6fecprdadfeaukmc4py33a

Toward Dependable Embedded Model Predictive Control

Tor A. Johansen
2017 IEEE Systems Journal  
While Model Predictive Control (MPC) is the industrially preferred method for advanced control in the process industries, it has not found much use in consumer products and safety-critical embedded systems  ...  This paper surveys the state-of-the-art in the emerging field of dependable embedded MPC, and discusses some key challenges related to its design, implementation and verification.  ...  Faulthardening of software implementation is studied in [52] . • Fault detection and identification.  ... 
doi:10.1109/jsyst.2014.2368129 fatcat:ciuterdo5vbsdgm2sx5tryaxlm

Integrated decision support for aviation safety inspectors

James T. Luxhøj, Trefor P. Williams
1996 Finite elements in analysis and design  
One of the main objectives of this research is to define more refined "alert" indicators for national comparison purposes that can signal potential problem areas by aircraft type for safety inspector consideration  ...  Finally, a framework for developing an intelligent decision system to support aircraft safety inspections is proposed that links expert systems, neural networks, as well as a paradigm of the decision making  ...  Knowledge of the Riis-Neergaard [40] model of organizational learning was obtained during a sabbatical leave by the lead author at Aalborg University in Denmark.  ... 
doi:10.1016/s0168-874x(96)80018-7 fatcat:u457tbmwb5b2jkmuph66ngjlhm

Switched Adaptive Sliding Mode Disturbance Observer for Nonlinear Fault-Tolerant Flight Control

Baoxu Jia, Liguo Sun, Yanyang Wang, Xiaoyu Liu, Weigao Dang
2021 IEEE Access  
In typical aircraft fault scenarios, even if real-time model identification methods are adopted in updating aircraft models, and adaptive control methods are used to compensate the fault effects, large  ...  It inherits the merits of INDI such as having less model dependency and higher fault resistance capability [8] - [10] .  ... 
doi:10.1109/access.2021.3092164 fatcat:rylgxbqzhjg4zfmnp44pll6bze

Cost and effectiveness analysis of the AH-64 and UH-60 on-board vibrations monitoring system

A. Bayoumi, W. Ranson, L. Eisner, L.E. Grant
2005 2005 IEEE Aerospace Conference  
analysis of the Vibration Management Enhancement Program (VMEP) for the AH-64 and UH-60 aircraft fleets, and to initially correlate vibration signals with the ULLS-A (logistics) database to create a Costs  ...  In order to provide a timely and sufficient cost and economic analysis to support the effective allocation and management of resources for Army programs, a CBA model has been developed.  ...  It can provide information to decision makers on the merits of the current project or regulation as well as offer a framework for comparing a variety of project or regulatory alternatives.  ... 
doi:10.1109/aero.2005.1559698 fatcat:yhtdwdyiyfcntkzmol6mnr3aem

From Simulation to Runtime Verification and Back: Connecting Single-Run Verification Techniques

Kristin Yvonne Rozier
2019 2019 Spring Simulation Conference (SpringSim)  
We unify their vocabulary, list their commonalities and contrasts, and examine how their artifacts may be connected to push the state of the art of what we can (safely) fly.  ...  We unify their vocabulary, list their commonalities and contrasts, and examine how their artifacts may be connected to push the state of the art of what we can (safely) fly.  ...  Jones, Giles Reger, and Joseph Zambreno for constructive feedback on earlier drafts of this paper.  ... 
doi:10.23919/springsim.2019.8732915 dblp:conf/springsim/Rozier19 fatcat:xpkq4w5lf5b3xbpq2wzoizvtqi

Electrical and Electronic Technologies in More-Electric Aircraft: A Review

Kai Ni, Yongjiang Liu, Zhanbo Mei, Tianhao Wu, Yihua Hu, Huiqing Wen, Yangang Wang
2019 IEEE Access  
In order to change the current situation of low power efficiency, serious pollution, and high operating cost in conventional aircraft, the concept of MEA is proposed.  ...  This paper presents a review of the electrical and electronic technologies investigated in moreelectric aircraft (MEA).  ...  In [39] , an accurate fault identification method of power converter in SRM was presented to minimize the influence of faults on the generator.  ... 
doi:10.1109/access.2019.2921622 fatcat:yhseufz2wnfm3oehfnq7673sim

An Integrated model-based Approach for FMECA Development for Smart Manufacturing Applications

Sudipto Ghoshal, Somnath Deb, Deepak Haste, Andrew Hess, Feraidoon Zahiri, Gregory Sutton
2019 Proceedings of the Annual Conference of the Prognostics and Health Management Society, PHM  
life-cycle – from its design for fault management to condition-based maintenance of the equipment.  ...  propagation and others that facilitate fault management design of the equipment.  ...  It uses the data to infer the status of the root causes (the identification of one or more component faults).  ... 
doi:10.36001/phmconf.2019.v11i1.899 fatcat:fvwyleuolbefrd2wdhgiydlnc4
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