نتایج جستجو برای: fault tolerance
تعداد نتایج: 176292 فیلتر نتایج به سال:
In this paper, we focus on automated techniques to enhance the fault-tolerance of a nonmasking fault-tolerant program to masking. A masking program continually satisfies its specification even if faults occur. By contrast, a nonmasking program merely guarantees that after faults stop occurring, the program recovers to states from where it continually satisfies its specification. Until the recov...
We present a new approach to fault tolerance for High Performance Computing system. Our approach is based on a careful adaptation of the Algorithmic Based Fault Tolerance technique (Huang and Abraham, 1984) to the need of parallel distributed computation. We obtain a strongly scalable mechanism for fault tolerance. We can also detect and correct errors (bit-flip) on the fly of a computation. To...
Fault tolerance is a key aspect of the dependability of complex computer-based systems. Fault tolerance may be difficult to measure directly in complex real world systems, and we propose here to measure it in terms of integrity preservation of the system under the assumption of a particular fault occurrence distribution. We measure the integrity preservation ability of the system by measuring t...
Fault tolerance property of artificial neural networks has been investigated with reference to the hardware model of artificial neural networks. Weight fault is an important link, which causes breakup between two nodes. In this paper weight fault has been explained. Experiments have been performed for Weight-stuck-0 fault. Effect of weight-stuck-0 fault on trained network has been analyzed in t...
A component-based software architecture is presented to support the process of designing and developing fault-tolerant computerised control systems. To this end, we combine an idealised fault-tolerant component, the C2 architecture style and protective wrappers, and embed fault tolerance techniques into component definitions. The resulting architecture is described by normaland abnormal-activit...
Fault tolerance is one of the most important means to avoid service failure in the presence of faults, so to guarantee they will not interrupt the service delivery. Software testing, instead, is one of the major fault removal techniques, realized in order to detect and remove software faults during software development so that they will not be present in the final product. This paper shows how ...
In this paper, model predictive control (MPC) problem with fault-tolerance capabilities is formulated within the hybrid systems framework. In particular, the mixed logical dynamic form to represent hybrid systems is considered. Using this approach, a hybrid model of the system to be controlled is obtained, which includes inherent hybrid phenomena and possible modes caused by faults occurrence. ...
The fault tolerance theories by Arora and Kulkarni [3] and by Jhumka et al. [10] view a fault-tolerant program as the result of composing a fault-intolerant program with fault tolerance components called detectors and correctors. At their core, the theories assume that the correctness specifications under consideration are fusion closed. In general, fusion closure of specifications can be achie...
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