One of the most critical issues when deploying wireless sensor networks for long-term structural health monitoring (SHM) is the correct and reliable operation of sensors. Sensor faults may reduce the quality of monitoring and, if remaining undetected, might cause significant economic loss due to inaccurate or missing sensor data required for structural assessment and life-cycle management of th...

High Impedance Faults (HIF) are faults of difficult detection and location while using traditional digital relaying. In this article it is presented a new proposal for detection and location of HIF’s in distribution systems with distributed generation (DG), based on artificial neural networks. The methodology inputs are the local measured voltage and current phase components, supplying as outpu...

Grid technologies enable large-scale sharing of resources within formal or informal consortia of individuals and/or institutions: what are sometimes called virtual organizations. In these settings, the discovery, characterization, and monitoring of resources, services, and computations can be challenging due to the considerable diversity, large numbers, dynamic behavior, and geographical distri...

This paper addresses a comparative analysis of the existing schemes for fault detection in continuous-time stochastic dynamical systems. Such schemes prove to be efficient when dealing with specific types of fault functions; on the other hand, they show very different performance sensitivity when dealing with new fault profiles and system noise. The study suggests the use of a combined scheme, ...

We reveal that males of two members of the Anopheles gambiae s.l. species complex, Anopheles coluzzii and Anopheles gambiae s.s. (hereafter A. gambiae), which are both malaria vectors, perform a stereotypical acoustic behaviour in response to pure tones at frequencies that encompass the frequency range of the female's flight-tones. This behaviour resembles that described for Culex quinquefascia...

We study the relationship between diagnostic test generation for a gate-level fault model, which is used for generating diagnostic test sets for manufacturing defects, and functional test generation for a high-level fault model. In general, a functional fault may partially represent some of the effects of one gate-level fault but not another. Generating a test sequence for the functional fault ...

This paper essentially focuses on the belated regionalization attempts of the South Asian economies and myriad of problems that are coming in their way to forming a smoothly functioning free trade area and regional integration agreement. Notwithstanding their efforts, progress so far has been tardy. Although South Asian economies took several liberalization measures during the 1990-2005 period,...

The empirical literature offers regional integration arrangements reduce trade costs among partner countries this reduction in cost not only increase trade but also act as a stimulus to increase FDI flow. South Asian Association for Regional Cooperation (SAARC) was established in 8 December 1985 with the seven South Asian countries (Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan and Sri L...

Language researchers have identified a number of elements related to language performance. One of these factors is individual attributes of the language learners or their cognitive ability. In the fall semester 2015, 18 undergraduates of Greek for academic purposes language course of a public university in Cyprus participated in the study. This research work attempts to investigate the relation...