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Structured stochastic modeling of fault-tolerant systems

C. Bertolini, L. Brenner, P. Fernandes, A. Sales, A.F. Zorzo
The IEEE Computer Society's 12th Annual International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems, 2004. (MASCOTS 2004). Proceedings.  
Fault-tolerant mechanisms have been increasingly used to develop safety-critical systems in the past years.  ...  Therefore the accurate description of these mechanisms is crucial if we want that their use do not bring any kind of unexpected result due to the misinterpretation of their features.  ...  Case study: Fault-Tolerant Production Cell In this section, we used a safety-critical system to show how to model a system designed with DMI using the SAN formalism.  ... 
doi:10.1109/mascot.2004.1348191 dblp:conf/mascots/BertoliniBFSZ04 fatcat:rks3cn4cevckrfxxjndkijldny

Fault-Tolerant Control for Networked Control Systems with Limited Information in Case of Actuator Fault

Wang Yan-feng, Wang Pei-liang, Li Zu-xin, Chen Hui-ying
2015 Mathematical Problems in Engineering  
The sufficient conditions on the stochastic stability of the closed-loop system are given and the fault-tolerant controller is designed by solving a linear matrix inequality.  ...  This paper is concerned with the problem of designing a fault-tolerant controller for uncertain discrete-time networked control systems against actuator possible fault.  ...  Simulation results show that the closed-loop systems are stochastically stable against actuator fault. Figure 1 : 1 Structure of networked control system.  ... 
doi:10.1155/2015/785289 fatcat:goukgrtbg5eljaa543skvyh27e

H∞ Fault Tolerant Control of WECS Based on the PWA Model

Yun-Tao Shi, Qi Kou, De-Hui Sun, Zheng-Xi Li, Shu-Juan Qiao, Yan-Jiao Hou
2014 Energies  
The main contribution of this paper is the development of fault tolerant control for a wind energy conversion system (WECS) based on the stochastic piecewise affine (PWA) model.  ...  In this paper the normal and fault stochastic PWA models for WECS including multiple working points at different wind speeds are established.  ...  to the derivation of Theorem 2 for sensor fault tolerant control of WECS.  ... 
doi:10.3390/en7031750 fatcat:ajchplrdrncznexu3753mk37ou

Discussion on: "Markov Actuator Assignment for Networked Control Systems"

Thomas Steffen
2012 European Journal of Control  
The FDI problem can usually be solved separately, and then included in the control problem as a stochastic Markov model [2] , enabling a stochastic analysis of the whole system.  ...  These choices are inherent in the formulation of the fault tolerant control problem.  ... 
doi:10.1016/s0947-3580(12)70550-2 fatcat:5dacjsbwwzb2vifobrdpy4nyfy

Page 235 of IEEE Transactions on Computers Vol. 52, Issue 2 [page]

2003 IEEE Transactions on Computers  
Conte, “A Class of Generalized System Using Stochastic Reward Nets,” Hardware and Softwar stochastic Petri Nets for the Performance Analysis of Multi- Fault Tolerance in Parallel Computing Systems, D.R  ...  Borrel, “Dependability of Fault-Tolerant can accept and the tradeoff between performance and Systems—Explicit Modeling of the Interactions between Hard- availability.  ... 

Dependability evaluation of fault tolerant distributed industrial control systems [chapter]

J. C. Campelo, P. Yuste, F. Rodríguez, P. J. Gil, J. J. Serrano
1999 Lecture Notes in Computer Science  
In this paper we study the dependability of a fault tolerant distributed industrial control system designed in our university.  ...  Based on this architecture, the theoretical model of the distributed system is then presented; in order to evaluate the reliability and safety of the whole system models based on stochastic activity networks  ...  After the introduction, an overview of the node of the distributed system is given. The structure and the model of the fault tolerant node are presented.  ... 
doi:10.1007/bfb0097920 fatcat:7czoyz23hrb2lcgqrpyofezfjq

A simulation approach to structure-based software reliability analysis

S.S. Gokhale, Michael Rung-Tsong Lyu
2005 IEEE Transactions on Software Engineering  
In this paper, we develop simulation procedures to assess the impact of individual components on the reliability of an application in the presence of fault detection and repair strategies that may be employed  ...  Structure-based techniques enable an analysis of the influence of individual components on the application reliability.  ...  ACKNOWLEDGMENTS The work described in this paper was partially supported by a grant from the Research Grants Council of the Hong Kong Special Administrative Region, China (Project No. CUHK4205/04E).  ... 
doi:10.1109/tse.2005.86 fatcat:olbcz4t5wrft3dxmmombzb3jh4

Optimal Timing Fault Tolerant Control for Switched Stochastic Systems with Switched Drift Fault

Chenglong Zhu, Li He, Kanjian Zhang, Wei Sun, Zengxiang He
2022 Mathematics  
In this article, an optimal timing fault tolerant control strategy is addressed for switched stochastic systems with unknown drift fault for each switching point.  ...  By solving the optimal switching time criterion, the switched stochastic system can accommodate switching drift fault.  ...  Extra efforts are needed to analyze the fault tolerant control problem for switched stochastic systems.  ... 
doi:10.3390/math10111880 fatcat:zztbsypx6va4dh7elvtx2i7neq

Tracking Control for Omnidirectional Rehabilitative Training Walker with Center of Gravity Shift and Fault Input

Hongbin Chang, Shuoyu Wang, Ping Sun, Bo Shen
2017 International Journal of Innovative Computing, Information and Control  
On the basis of the stochastic model, we developed a trajectory-tracking controller with high fault tolerance and exponential stability of the tracking error system.  ...  The tracking performance and reliability of the ODW are treated simultaneously. The motion of the ODW under a center-of-gravity shift is described by a stochastic model.  ...  The authors also gratefully acknowledge the helpful comments and suggestions of the reviewers, which have improved the presentation.  ... 
doi:10.24507/ijicic.13.06.2113 fatcat:y5bnqm4nqzeqbgx57o4wtnmtti

Stochastic activity networks for performance evaluation of fault-tolerant systems

Samia Maza
2014 Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability  
This paper proposes the use of an integrated modeling approach for fault tolerant systems based on stochastic activity networks.  ...  Many features and subsystems are employed and added to a system to produce a fault-tolerant system. All of these subsystems will interact with each other to improve the global system's performances.  ...  In, [3] we proposed an integrated modeling approach based on stochastic activity networks, which allows the systematic construction of SAN-models of fault tolerant systems.  ... 
doi:10.1177/1748006x14525772 fatcat:k52zb6flqbbxjg7unutkz2xyry

Page 7555 of Mathematical Reviews Vol. , Issue 2004i [page]

2004 Mathematical Reviews  
No parameter vector consistent with the experimental data and model structure can be missed, so this approach bypasses the structural identifiability study required by the usual approaches based on the  ...  More specifically, by jointly choosing the state encoding constraints and the redundant dynamics of the fault-tolerant LFSM, we enable an external checker to detect and identify errors due to past faults  ... 

A Survey of Fault Diagnosis and Fault-Tolerant Techniques—Part I: Fault Diagnosis With Model-Based and Signal-Based Approaches

Zhiwei Gao, Carlo Cecati, Steven X. Ding
2015 IEEE transactions on industrial electronics (1982. Print)  
During the last four decades, fruitful results were reported about fault diagnosis and fault-tolerant control methods and their applications in a variety of engineering systems.  ...  Abstract-With the ever increase of complexity and expense of industrial systems, there is less tolerance for performance degradation, productivity decrease and safety hazards, which greatly stimulates  ...  of the system dynamics and control structure.  ... 
doi:10.1109/tie.2015.2417501 fatcat:rpajiww7u5dbtd4qri2ghwbz5e

Stochastic Modeling and Availability Evaluation of Computer Systems

Varghese Thattil, CVR College of Engineering/Electronics and Communication, Hyderabad, India, Swetha Akula, CVR College of Engineering/Electronics and Communication, Hyderabad, India
2014 CVR Journal of Science & Technology  
In the case of hardware faults, high degree of reliability can be achieved by hardware redundancy. For microprocessor systems good additional feature is fault tolerance.  ...  A stochastic modeling of the microprocessor based computer system has been carried out and the lifetime availability is estimated.  ...  Coverage probabilities of each unit are given in Table I . IV. MODELING OF A FAULT TOLERANT SYSTEM USING MOBIUS Mobius tool is used to model the fault tolerant multi processor system.  ... 
doi:10.32377/cvrjst0605 fatcat:tna6wb7vkfeibcozzh7feswvta

Adaptive Fault Tolerant Control for Liquid Tank Process

Mehmet Arıcı, Tolgay Kara
2016 International Journal of Applied Mathematics Electronics and Computers  
In this case, a fault tolerant control system is needed.  ...  In this study, a water tank level control system and possible valve actuator faults are modelled. By designing different controllers and using modelled failures a simulation is constructed.  ...  Acknowledgement This work is supported by The Scientific and Technological Research Council of Turkey (TUBİTAK), through project 116E020.  ... 
doi:10.18100/ijamec.267203 fatcat:rwpuls54jbcinls5yrvg3eqh3q

Guest Editorial: New Trends in Sliding Mode Control and Observation for Markovian Jump Systems

Hamid Reza Karimi, Qingbin Gao, Yueying Wang, Michel Zasadzinski
2019 International Journal of Control, Automation and Systems  
The authors in the paper entitled "Sliding Mode Control for We-energy Based on Markovian Jumping Systems" modeled the we-energy model as a Makovian jumping system, and presented a suitable SMC design strategy  ...  Another work on satellites is named "Huber Second-order Variable Structure Predictive Filter for Satellites Attitude Estimation".  ...  Another work entitled "Fuzzy Adaptive Finite Time Fault-tolerant Control for Multi-input and Multi-output Nonlinear Systems with Actuator Faults" considered the actuator faults of the nonlinear systems  ... 
doi:10.1007/s12555-019-9901-2 fatcat:bag3sgnj35flhcfe4brrfigeai
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