نتایج جستجو برای: critical fault clearance time

تعداد نتایج: 2369334  

2009
M. Samhouri W. Massad

Monitoring and predicting machine components' faults play an important role in maintenance actions. Developing an intelligent system is a good way to overcome the problems of maintenance management. In fact, several methods of fault diagnostics have been developed and applied effectively to identify the machine faults at an early stage using different quantities (Measures or Readings) such as c...

2015
Miroslav Siebert Elena Gramatova

Extended Abstract Right timing of complex digital circuits and systems in nanotechnology need careful design steps and testing. Incorrect timing can be caused during design or manufacturing processes. Incorrect timing is manifested as delay faults. The delay faults in digital circuit testing are more and more important due to huge number of gates and lines integrated on a chip specifically in n...

1997
Shmuel Katz Patrick Lincoln John M. Rushby

A group membership protocol is presented and proven correct for a synchronous time-triggered model of computation with processors in a ring that broadcast in turn. The protocol, derived from one used for critical control functions in automobiles, accepts a very restrictive fault model to achieve low overhead and requires only one bit of membership information piggybacked on regular broadcasts. ...

The paper presents a mathematical base modeling combined to Modified-Winding -Function-Approach (MWFA) for eccentricity fault detection of a round-rotor synchronous machine. For this aim, a 6-pole machine is considered, and the machine inductances are computed by MWFA in healthy and also under eccentricity fault. A numerical discrete-time method has been proposed to machine modeling in voltage-...

Journal: :international journal of iron & steel society of iran 2015
g. dini s. vercammen

low stacking fault energy face centered cubic (fcc) materials contain characteristic defect structures. stackingfault tetrahedral are one of those rare structures that occur under special experimental conditions. for the first time,stacking fault tetrahedral were observed in fe-30mn-3al-3si twinning induced plasticity (twip) steel. theirpresence resulted from a quenching heat treatment.

Journal: :IEEE Trans. Computers 1997
Hans A. Hansson Harold W. Lawson Olof Bridal Christer Eriksson Sven Larsson Henrik Lönn Mikael Strömberg

BASEMENT TM is a distributed real-time architecture developed for vehicle internal use in the automotive industry. BASEMENT covers application development, as well as the hardware and software that provide execution and communication support. This paper gives an overview of the BASEMENT concept, as well as presenting two system realizations. The first realization is based on the commercial real...

Journal: :Computing and Informatics 2014
Josef Strnadel Frantisek Slimarik

Real-time kernels are often utilized to simplify the design of embedded time/safety-critical applications. However, embedded systems are sensitive to transient and other faults, each of which can lead to various errors at various system levels and can potentially result in system failure. In existing works, the real-time kernels sensitivity to transient SEU errors was studied only with the goal...

2002
Marcos K. Aguilera Gérard Le Lann Sam Toueg

We investigate whether fast failure detectors can be useful — and if so by how much — in the design of real-time fault-tolerant systems. Specifically, we show how fast failure detectors can speed up consensus and fault-tolerant broadcasts, by providing fast algorithms and deriving some matching lower bounds, for synchronous systems with crashes. These results show that a fast failure detector s...

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