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The ever-increasing complexity in power systems requires novel optimization and control tools. These tools must be validated prior to application to real power systems. Such validation requires access to a realistic, high fidelity power system network model. Fuel cost is an important element for such a model, but is often difficult to obtain due to confidentiality constraints. This paper advances...
The software defined optical network (SDON) service plays an important role in the production and operation of the network system. It's important to solve the problem of how to reduce the risk and distribute the service path more rationally. However, most of the existing algorithms do not take into account service importance. In this paper, a risk balancing routing assignment mechanism based service...
In this paper, an improved LDPMOS_SCR without a LDPMOS structure (NonLDPMOS_SCR) is discussed, which is realized in 0.5-μm 5V/18V/24V CDMOS process. The theoretical analysis and transmission line pulse (TLP) testing system are used to predict and characterize the proposed ESD protection devices. According to the measurement results, compared with the normal LDPMOS_SCR, NonLDPMOS_SCR elevates the second...
Solar power has become one of the mainstream distributed renewable energy sources due to its clean and renewable feature and the global push for renewable energy. In a distribution network with high penetration of photovoltaics (PVs), overvoltage is a common and major issue that needs to be addressed to assure system reliability and security. Increasing interests have been given to real time operation...
Due to high mobility and intermittent connections in vehicular networks, reliable and efficient Vehicle-to-Vehicle (V2V) communication is a challenging task. The Named Data Networking (NDN) paradigm is recently being applied to achieve efficient V2V communication, however, proactive V2V information diffusion conflicts with the receiver-initiated nature of NDN. This paper bridges this gap by exploiting...
Human reliability is considered as the predominant causation factor in maritime accidents. The previous researches on human reliability analysis are reviewed in this paper, although these works have benefited us a lot in accident prevention, few researches focused on the human reliability in the developing stages of maritime accident process. This paper first thoroughly reviews the existing sequential...
In order to build a reliable traffic to overcome ever-changing scenarios with different QoS requirements for WSN-based M2M applications, a cognitive technology using the causality tree is proposed for the reliability maintenance of wireless sensor networks. Routing maintenance metrics are defined as basic initiatives for device maintenance. The metrics enable to guarantee quality of services for the...
This paper mainly investigates various factors that influence the quality and the reliability of a thermoelectric cooler (TEC) for space applications. TE material degradation and metal junctions detachment are two major factors that lead to the degradation or failure of TEC. Qualification and screening tests are needed to make TEC be widely applied to space remote sensing. The defective TEC products...
To save signaling overhead, Semi-Persistent Scheduling (SPS) is the standard for delivering Voice-over-IP (VoIP) in OFDM-based mobile networks. But uncompressed or variable-size compressed VoIP packets are problematic for SPS because they spill over the assigned semi-persistent resource whenever the ROHC (Robust Header Compression) mechanism is in an initialization or reset period, propagating system...
Though there exist ready-made DSRC/WiFi/3G/4G cellular systems for roadway communications, there are common defects in these systems for roadway safety oriented applications and the corresponding challenges remain unsolved for years, i.e., WiFi cannot work well in vehicular networks due to the high probability of packet loss caused by burst communications, which is a common phenomenon in roadway networks;...
This study compares the reliability performance of string inverter structure and central inverter structure for grid-tied solar photovoltaic (PV) systems. The impact of input power variation and ambient-conditions on failure rates of PV system components are quantified and incorporated in the reliability analysis. Aging failure in PV panels is also modeled to evaluate the life cycle reliability of...
In the process of bidding for construction project, the winning bid is often determined by experts who assess bids in their marks, which have a strong subjective element. So there is the possibility to control who will be the winning bidder. This paper introduces the multi-layer feed forward back propagation (BP) neural network which belong to the artificial neural network (ANN) system to design a...
The lake-swamp sediment gray mudstone has been deposited about 1000 metres deep, which has representative meanings in Tertiary in China. With the rapid development of urban construction, much ground engineering is often used soft rock as it's foundation inevitably. Especially, in Nanning mudstone is usually used as supporting course of pile end for bridge foundation. In the process of design and construction,...
The objective of this paper is to show how to determine the valuable criteria for selecting machine tools from the vast amount of specifications of CNC machine tools along with consulting the experts with abundant mold manufacturing experiences is. This research also demonstrate the multi-criteria decision making (MCDM) method towards efficient selections of CNC machine tools that would satisfy the...
Future network systems and embedded infrastructure devices in ubiquitous environments will need to consume low power and process large amounts of network packet traffic. In order to meet necessary high processing efficiency requirements, future processors will have many heterogeneous cores with reduced reliability due to low voltage, small transistor sizes, semiconductor wearout, and environmental...
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