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Intermittent faults are expected to be a great challenge in VLSI circuits. The complexity of manufacturing processes, provoking residues and process variations, and special wear out mechanisms, may increase the presence of such faults. This work presents a case study of the effects of intermittent faults on the behavior of a commercial micro controller. By using VHDL-based fault injection, particularly...
As technologies shrink, new kinds of faults arise. Intermittent faults are part of these new faults. They are expected to be an increasing challenge in modern VLSI circuits. Up to now, transient and permanent faults used to be injected for the experimental validation of fault tolerance mechanisms. The main objective of this work is to improve the dependability assessment by injecting also intermittent...
Current Sequential Cardiac Navigation Systems (SCNS) are widely used for creating either voltage or delay maps of the heart, allowing the physician to determine adequate therapy strategies and ablation targets. Given that the number or recorded electrograms (EGM) is a major determinant of the clinical procedure duration, our aim was to propose a method suitable for analyzing the spatial sampling rate...
Lidocaine is used as an antiarrhythmic drug, its effectiveness is based on its ability to induce use- dependent block of cardiac sodium channels. This drug has an effect on conduction velocity (CV) and effective refractory period (ERP). Changes in CV and ERP could have an important role in the induction or suppression of reentrant circuits. We have studied the effect of lidocaine on CV, ERP and the...
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