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Using quantitative high-electron-mobility-transistors (HEMTs)-based defect spectroscopy, the degradation mechanisms of GaN HEMTs subjected to proton irradiation were explored to understand how these devices would operate in high radiation applications. It was observed that proton irradiation in GaN HEMTs caused a permanent threshold voltage (VT) shift (0.59 V) that led to a 30% reduction in IDS, max...
Performing digital forensics in cloud can add a new dimension to the process of building trust in cloud. But the very characteristics of cloud such as lack of transparency, virtualization, legal issues etc., pose challenges to cloud forensics. Whether it is traditional digital forensics or cloud forensics, collecting comprehensive data for analysis is a major challenge in investigation. Data collection...
In this paper, a multi factor decision making approach is presented for prioritizing failures causes for the digester of pulping system of a paper mill as an alternative to traditional approach of failure mode and effect analysis (FMEA). The approach is based on the `technique for order preference by similarity to ideal solution' (TOPSIS). The priority ranking is formulated on the basis of six parameters...
A hybrid wind park concept which contains both constant speed wind turbine and variable speed wind turbine is proposed in this paper, as it can provide similar power quality and similar low voltage ride through capability with relatively low investment. The objective is to optimize the configuration of a hybrid wind park which has low levelised production cost, high power quality, high reliability...
Sn-Ag-Cu (SAC) solders are susceptible to appreciable microstructural coarsening during storage or service, resulting in evolution of joint properties, and hence reliability, over time. Although the problem of microstructural coarsening in joints has been studied extensively, the effect of joint scale on aging kinetics has never been investigated. Understanding the scale dependence of aging is particularly...
The power system operations (generation, distribution and transmission) need continuous monitoring and control to maintain reliable and uninterrupted power supply. Remote terminal unit (RTU) communicates measurands from different locations to central control room (CCR) for further processing and action. The success of the system operation depends upon the proper selection of the hardware and the software...
With the proliferation of mobile electronics in everyday life, the ability of electronic packages to sustain impact loading under drop conditions has become a paramount reliability concern. Since solder joints, which serve as mechanical and electrical interconnects in a package, are particularly prone to failure during a drop, the fracture behavior of solders at high strain rates is a critically important...
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