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Base isolation is widely adopted to mitigate earthquake effects on structures. Information concerning the status of the isolation devices is fundamental, for example, after an emergency event and, consequently, damage detection procedures have received significant attention in the recent years. Herein, an extended Kalman filter approach is developed for real-time estimation of the isolation device...
Reliabilities of high-k stacked gate dielectrics are discussed from the viewpoint of the impact of initial traps in high-k layer. TDDB reliability can be explained by the generated subordinate carrier injection (GSCI) model. While initial traps increase the leakage current, they do not degrade the TDDB reliability. In contrast, the BTI reliability is strongly degraded by initial traps.
This paper presents a structural health monitoring system for monitoring, with reduced visual impact, one historical building structure. The system is based on fiber Bragg gratings and comprises 19 displacement sensors and 5 temperature sensors. All the sensors were custom made according to the monitoring points' characteristics. The results obtained over the first year of monitoring are presented...
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