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The LNG-MRC3 is a small-scale natural gas liquefier. Its capacity is 3 cube meters per day. Building small-scale LNG plants have been proved with the development of LNG filling station. The liquefaction process has been optimized to enhance the economy of the small-scale LNG plant. In this paper, the same criteria are used to evaluate two types of liquefaction cycles, which include mixed refrigeration...
We fabricated five different types of a-SiGe:H and nc-Si:H based multi-junction solar cell structures using modified very high frequency (MVHF) technology. After optimization, all five structures reached similar initial cell performance, i.e. ~12% small active-area (0.25 cm2) efficiency and 10.6-10.8% large aperture-area (?? 400 cm2) efficiency after encapsulation. However, they showed quite different...
This paper presents a cost-effective low power 45 nm bulk technology platform, primarily designed to serve the wireless multimedia and consumer electronics need. This technology platform features carbon co-IIP in the nMOS halo, laser annealing scheme, stress liner on the 45??-rotated wafer (<100>) for process simplicity to achieve high device performance and low leakage together. Drive current...
Transient stability preventive control has received considerable attention in recent years and much progress around this topic has been reported in the literature. The goal of this paper is two folds: first, to provide a critical review on the main solution algorithms of the problem; Secondly, to present a study on the analytical properties of the transient stability optimization problem via stability...
A method is proposed for optimal settle control using 1-degree-of-freedom (1-DOF) control and initial value compensation (IVC) in hard disk drives. A feedforward control signal is injected into the control system during settle control to compensate the initial conditions when switching from seek to settle control. A transfer matrix from initial conditions to feedforward control input is calculated...
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