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This paper presents the design and experiments of a SiC power MOSFET-based bidirectional switching power pole (BSPP) by benefiting from the advantages of SiC power MOSFETs: high-speed switching, high power density, and low power losses. The goal of the work is to design a printed circuit board (PCB) power traces of the BSPP with the minimum parasitic inductance and balanced switching transient performance...
Home energy management system is an extension of the smart grid in residential sector. It is a hot topic in smart grid. This paper proposed a home energy management strategy. It uses data mining techniques to obtain useful information when analyzing the load characteristics. The home energy management system is composed of home gateways, interactive terminals, smart socket and smart appliances with...
Sleep Scheduling is one of the most important challenges for energy conservation in Wireless Sensor Networks (WSNs). Connected Dominating Set (CDS) based virtual backbone is often employed in WSNs. Compared with the ordinary CDS, the R-hop Connected Dominating Set (R-CDS) with smaller size is more suitable for build a virtual backbone for energy conservation. In this paper, a R-hop connected dominating...
Band alignment of TiN/HfO2 interface of TiN/HfO2/SiO2/Si stack is investigated by x-ray photoelectron spectroscopy (XPS). The p-type Schottky barrier height (p-SBH) is found to increase with thicker HfO2 thickness. Since considering only the metal/dielectric interface cannot explain this phenomenon, band alignment of TiN/HfO2 interface of TiN/HfO2/SiO2/Si stack is demonstrated based on band alignment...
In this paper, a new type of sound-absorbing film material was made, using polyaniline (PAN) doped graphite (G) as the basis, polymer as the film forming agent. Factors which affected the sound absorption properties were discussed, the results showed that sound absorbing properties were the best, when Surface resistance was 103Ω, film thickness was 300µm. On this condition, average absorption coefficient...
This paper studies the simple alternating-current (AC) control strategy for performing quantum state manipulation under a non-Markovian environment (consisting of a cluster of two-level systems). Genetic algorithm is adopted to optimize the parameters of the AC control to fulfil one-qubit quantum operations, such as the NOT gate, the Z gate, and the Hadamard gate. Theoretical analysis and simulations...
XML-SNMP based network management model is essential parts of the network management infrastructure. It is generally recognised that there are two problems remained unsolved for this kind of model. These two problems are load balance of the XML manager and the potential bottleneck of the XML/SNMP gateway. This paper presents a novel XML-template based approach to tackle these two problems. We developed...
According to the low efficiency of system testing, the longer test cycle, the single form of the test results, no standardized documents of tested results and other drawbacks of the traditional penetration testing system, this paper design and implement of an XML-based penetration testing system. The system uses SNMP, PING, Telnet and other ways to explore resource, is based on OVAL, CVE to assess...
PRESENT, proposed by A. Bogdanov et al. in CHES 2007, is an ultra-lightweight symmetric cipher for extremely constrained environments such as RFID tags and sensor networks. In this article, a representative platform, 0.25 μm 1.8 V standard cell circuit is proposed to complement the PRESENT, the simulation-based ASIC experimental environment is built to acquire power data. According to the fact that...
Transactional memory(TM) systems become considerable popular due to it simplifying the development of highly scalable parallel programs. The implementations of TM systems are classified into three types: hardware transactional memory (HTM), software transactional memory (STM) and hybrid transactional memory (HyTM). We analyze and compare some typical HTM and HyTM from version management, detection...
We present a coupled thermo-electrical-mechanical finite element based model to investigate material behaviors of wide bandgap (WBG) devices in operating conditions. The mechanisms of degradation and ultimately failure in wide bandgap devices are very complex. Under operating conditions, the devices are usually subject to high electric fields, high stress/strain fields, high current densities, high...
In order to improve the matching performance of the nMOSFET and pMOSFET threshold voltages in CMOS circuit, a novel p+ poly-SiGe gate CMOS device is described in this paper. With the change in work function and bandgap, the device effectively reduces the threshold voltage Vth of pMOSFET while the performance of nMOSFET is maintained. Moreover, the threshold voltage Vth of pMOSFET can be continuously...
The digitization problem in industry production line is discussed in this paper. The paper builds a layered RFID middleware using RFID technology that may effectively solve data automatic identification, collection, transferring, storing and processing of every procedure of production line. Then some key issues, such as data error control, replication filter, data collection interface, data gateway,...
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