Fault Tolerant Systems viewed as Switching Hybrid Systems

Fault Tolerant Systems viewed as Switching Hybrid Systems

This paper presents fault tolerant control systems FTC in a hybrid system framework. Due to the discrete nature of fault occurrence and reconfiguration, FTC systems are considered hybrid in nature. Thus, in this work, actuator fault recoverability is studied by utilizing a controllability concept of hybrid systems. The hybrid formalism allows the recoverability’s analysis based on the controlla...

Soft Switching MBC Controller for MIMO Linear Hybrid Systems

Switching supervisory is the most important section of a feedback control process inMIMO hybrid systems. By choosing a non-compatible controller, system may go tounstable mode or high overshoot response. In this paper, a new method of switchingfor selecting MBC controllers is discussed. Results of the simulation show the MIMO(2-in 2-out) linear hybrid system can be switched stable and low overs...

Fault Tolerant Systems

Fault-tolerant Distributed Systems

Distributed systems have two key advantages: they increase the quality of our interaction with computers and the quantity of resources available to us. The quality increases as components of a distributed system hide failures from users and render a service more reliable (safer from loss) andmore available (less downtime). Increases in quantity, such as computational power and storage capacity,...

Fault-Tolerant Dynamic Systems

Modular redundancy (system replication) and other traditional techniques for fault tolerance in dynamic systems are expensive, and rely heavily — particularly in the case of systems operating over extended time horizons — on the assumption that the error-correcting mechanism (e.g., voting) is fault-free. Herein, we construct redundant dynamic systems in a way that achieves tolerance to transien...