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Mobile Ad-hoc networks (MANETs) are self-organizing multi-hop wireless networks composed of independent mobile nodes. Due to the characteristics of dynamic topology and limited resources, MANETs are vulnerable to attacks from malicious nodes. However, traditional security policies with encryption and authentication cannot be well suited for MANETs, because of absence of trusted third party. In order...
The working process of marine diesel engine is simulated by combining mean value engine model and volumetric model. It reflects some average parameters such as effective pressure, effective power and engine speed, as well as reflects real-time explosion pressure, maximum temperature in cylinder and indicator diagram. In order to accelerate the simulation, Crank Angle and cylinder pressure is imported...
Precise load measurement is important for the supervision of the pulverizing process in thermal power plant. This paper presents an adaptive soft sensor based on PCA and FasArt neural networks to achieve this purpose. PCA is firstly used to compress the input secondary variables and the dimension is reduced from 9 to 3 with little loss of information. Then FasArt model derive the knowledge from the...
Precise load measurement is important and difficult for an industrial scale ball mill in thermal power plant. This paper presents a new approach which combines a novel feature extraction method and a hierarchical model to achieve this purpose. By analyzing the sensitivity distributions of working condition transitions and removing the ineffective information, the characteristic power spectrums (CPS)...
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