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Distributed Embedded Systems (DESs) typically have dependability and real-time requirements. Moreover, when they are deployed in dynamic environments, they must be flexible enough to adapt to changes in the operation requirements. The Fault Tolerance for Flexible Time-Triggered Ethernet (FT4FTT) project aims at providing a Switched-Ethernet architecture, based on the Flexible Time-Triggered communication...
IIoT (Industrial Internet of Things) cloud applications require reliable, fault-tolerant networks, supporting real-time guarantees and allowing interaction with other applications already existing in the datacenter. The Software Defined Networks (SDN) paradigm is especially suited for the management of the network cloud because of its fine grained admission control and the management flexibility provided...
Distributed embedded systems (DESs) that operate in dynamic environments require emerging flexibility and adaptivity communication requirements. When those DESs are deployed for critical applications, they must also employ appropriate fault-tolerance (FT) mechanisms to attain a high level of reliability. The FTT-Ethernet communication protocol supports the flexibility needed in dynamic environments,...
In this paper, two approaches of Fault-Tolerant Control for Discrete Event Systems are compared: the Fault-Hiding approach [4] and the control reconfiguration approach [5]. They are applied on a single case study in order to be compared. Then, a discussion on processing capacities, model sizes and limitations of the two methods is proposed.
We consider tolerance against multiple fault modes of actuators used in servo systems to achieve higher availability performance than that against a single fault mode. Furthermore, using the tolerance, we clearly present a procedure of corrective maintenance of faulty actuators for the first time in the field of fault-tolerant control theory. The presented procedure improves the maintainability performance...
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