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This paper proposes an optimal sizing and control strategy for islanded microgrid, consisting of renewable energy sources such as wind turbine generators (WT) and solar photovoltaic generators (PV), diesel generators (DE) and battery storage system (BS). The problem is formulated to minimize the annualized system cost (ASC) based on a control strategy with two modes. In mode 1, BS is the main power...
With fierce competition in the electronic product market, a manufacturer needs to constantly improve the quality of their products. Therefore, in recent years, many sound quality analysis tools have been developed to help them to judge the quality of products. In this paper, we focus on the need for evaluating the sound quality of recording product. The system we proposed is a technical tool that...
The foundation of wind turbine needs to have strong ability to resist incline deformation. In this paper, the reliability method is used to analyze the anti-inclination performance of gravity foundation of wind turbine. The circular gravity foundation placed in coral sands with no buried depth is taken as research object. The inclination angle formula of foundation under overturning moment is derived...
The anti-overturning performance of foundation is very important to the safe operation of wind turbine. In this paper, the reliability method is used to study the anti-overturning performance of gravity foundation of wind turbine. By analysis of limit state of foundation under overturning moment, performance function of reliability analysis of foundation is established. JC method is used to calculate...
Environmental test is widely used to verify the adaptability and reliability of various electronic products in the last decades. The sharp change of temperature and humidity in certain situations could pose a serious reliability issue on the electronic components. This paper presents an experimental study of one kind of plastic substrate based flexible display called STN (super-twisted nematic). The...
Available methods for a series of microscope images mosaicing can not meet the requirement of large scale microscope images mosaicing with high quality requirements. A mosaicing algorithm for a series of microscope images based on minimum cost spanning tree of mosaicing graph is proposed and implemented in 3 steps: a) the local registrations based on blocking-spatial clustering, b) the evaluation...
We analyze the semantics of composition and QoS among services, and study the discovery and selection processes of composite services, and show a recommend principle of services. In the description of composite service, we present the composite semantics with sequence, selection and concurrent etc. Two services are similar on semantics only if they match well. In the process of service selection,...
The plastic substrate based display has many advantages in practical applications of electronics, such as portable, flexible, super thin etc. However, its reliability may significantly impact its performance under the specific environmental conditions. Among the environmental factors, the temperature and humidity are two of the most important factors which may affect the performance of the displays...
The plastic substrate based displays have attracted a lot of interest in recent years because of their potential applications in portable electronic devices. Many of them have high brightness, high contrast, and large angle of view, with the flexibility for accommodating different form factors. However, their reliability in practical applications has not been systematically studied. For many plastic...
Several kind of anisotropic conductive films (ACF) with different material properties and the reliability test results have been developed in this study. The ACFs with various thermal properties, higher glass transfer temperature (Tg) and lower Tg, are developed by selecting different kind of curing agents or toughners. Reliability test also has been investigated in this study. The ACF shows perfect...
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