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According to the future power grids encountering the new problems such as the imbalance on power distribution, the ambiguity on the trend of power flow and the power development from centralization to distribution, a regulation and controlling strategy with power grids aggregation based on gradual learning was proposed. Under the premise of the panoramic observation of the future grid, the power grid...
In the current information system which is highl dynamic, heterogeneous and distributed, it is necessary to realizing information-sharing and interoperation among multi-trust domains securely by a crossing single-domain restriction. This thesis analyses the basic idea of the IRBAC (Interoperability Role Based Access Control) 2000 model, then points out several existing problems in them, which are...
Development of service-oriented architecture has become more and more maturated. It provides a good solution for integrated design of complex system in effected. provides a better framework for simulation of complex system. This paper introduces concept, principle, essential characteristic and technique advantages of SOA, design integration of independent functions on heterogeneous platforms and reuse...
Ferroelectric thin film systems with multilayer structure, Au/PZT/p-Si, and Au/PZT/BIT/p-Si, were fabricated by using pulsed laser deposition (PLD) technique. Ferroelectric PZT and BIT layers with the thickness of 400 and 100 nm, respectively, were grown on (100) oriented p-type silicon substrates. Electrical properties of the metal/ferroelectric/semiconductor/metal (MFSM) structures were characterized...
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