Model-free reconfiguration mechanism for fault tolerance

Tushar Jain; Joseph J. Yamé; Dominique Sauter

International Journal of Applied Mathematics and Computer Science (2012)

  • Volume: 22, Issue: 1, page 125-137
  • ISSN: 1641-876X

Abstract

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The problem of fault tolerant control is studied from the behavioral point of view. In this mathematical framework, the concept of interconnection among the variables describing the system is a key point. The problem is that the behavior we intend to control is not known. Therefore, we are interested in designing a fault accommodation scheme for an unknown behavior through an appropriate behavioral interconnection. Here we deal simply with the trajectories that are generated by the system in real time. These trajectories determine the behavior of a system in various (faulty/healthy) modes. Based on the desired interconnected behavior, only the trajectories that obey certain laws are selected. These laws, representing the desired behavior, can indeed be achieved by a regular interconnection. Thus, when the trajectories do not belong to a certain desired behavior, it is considered to be due to the occurrence of a fault in the system. The vantage point is that the fault tolerant control problem now becomes completely a model-free scheme. Moreover, no explicit fault diagnosis module is required in our approach. The proposed fault tolerance mechanism is illustrated on an aircraft during the landing phase.

How to cite

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Tushar Jain, Joseph J. Yamé, and Dominique Sauter. "Model-free reconfiguration mechanism for fault tolerance." International Journal of Applied Mathematics and Computer Science 22.1 (2012): 125-137. <http://eudml.org/doc/208089>.

@article{TusharJain2012,
abstract = {The problem of fault tolerant control is studied from the behavioral point of view. In this mathematical framework, the concept of interconnection among the variables describing the system is a key point. The problem is that the behavior we intend to control is not known. Therefore, we are interested in designing a fault accommodation scheme for an unknown behavior through an appropriate behavioral interconnection. Here we deal simply with the trajectories that are generated by the system in real time. These trajectories determine the behavior of a system in various (faulty/healthy) modes. Based on the desired interconnected behavior, only the trajectories that obey certain laws are selected. These laws, representing the desired behavior, can indeed be achieved by a regular interconnection. Thus, when the trajectories do not belong to a certain desired behavior, it is considered to be due to the occurrence of a fault in the system. The vantage point is that the fault tolerant control problem now becomes completely a model-free scheme. Moreover, no explicit fault diagnosis module is required in our approach. The proposed fault tolerance mechanism is illustrated on an aircraft during the landing phase.},
author = {Tushar Jain, Joseph J. Yamé, Dominique Sauter},
journal = {International Journal of Applied Mathematics and Computer Science},
keywords = {fault tolerant control; control performance; behavioral theory; switching control},
language = {eng},
number = {1},
pages = {125-137},
title = {Model-free reconfiguration mechanism for fault tolerance},
url = {http://eudml.org/doc/208089},
volume = {22},
year = {2012},
}

TY - JOUR
AU - Tushar Jain
AU - Joseph J. Yamé
AU - Dominique Sauter
TI - Model-free reconfiguration mechanism for fault tolerance
JO - International Journal of Applied Mathematics and Computer Science
PY - 2012
VL - 22
IS - 1
SP - 125
EP - 137
AB - The problem of fault tolerant control is studied from the behavioral point of view. In this mathematical framework, the concept of interconnection among the variables describing the system is a key point. The problem is that the behavior we intend to control is not known. Therefore, we are interested in designing a fault accommodation scheme for an unknown behavior through an appropriate behavioral interconnection. Here we deal simply with the trajectories that are generated by the system in real time. These trajectories determine the behavior of a system in various (faulty/healthy) modes. Based on the desired interconnected behavior, only the trajectories that obey certain laws are selected. These laws, representing the desired behavior, can indeed be achieved by a regular interconnection. Thus, when the trajectories do not belong to a certain desired behavior, it is considered to be due to the occurrence of a fault in the system. The vantage point is that the fault tolerant control problem now becomes completely a model-free scheme. Moreover, no explicit fault diagnosis module is required in our approach. The proposed fault tolerance mechanism is illustrated on an aircraft during the landing phase.
LA - eng
KW - fault tolerant control; control performance; behavioral theory; switching control
UR - http://eudml.org/doc/208089
ER -

References

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