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Based on BP algorithm, a thermal management model of SOFC system used for marine underwater equipments was established, and linear prediction was performed on the model. Through repeated training on the convergence chamber, heat exchanger and stack respectively, appropriate parameters were selected to conduct testing on the trained model. The deviation between the test result and actual date can meet...
Wireless sensor network (WSN) is a kind of dynamic self-organizing network. It can be applied to military, environmental monitoring, industry and transportation fields. According to the characteristics of energy constrained wireless sensor networks, it is more significant to design an energy efficient wireless sensor networks in practice application. The affinity propagation clustering algorithm,...
MPEG-2 encoding multiplexer is the core for transmission in the digital TV system, owning to all programs, data and different value-added services are transmitted after packaged and multiplexed. Currently, only a few companies outside master the core algorithm technology and ensure that high quality images are transmitted. However, the imported equipment is extremely expensive and the algorithm is...
Particle swarm optimization (PSO) is a new swarm intelligence algorithm, derived from artificial life and evolutionary computation theory. It makes full use of the information-sharing particles of the cluster to obtain the optimal solution of the evolution from disorder to orderliness. It has received great concern because of its simple calculation forms, parameter settings and a good convergence...
Global buses in deep-submicron (DSM) system-on-chip designs consume significant amounts of power, have large propagation delays, and are easy to catch transmission errors due to DSM noise. A comprehensive fault-tolerant mechanism for transient and permanent failures is proposed in this paper. Based on the special NoC with a network monitor, a flit level point-to-point error detection scheme is added...
According to the attitude update request of micro-inertial measurement system in some Aircraft, a new method Rodrigues parameters attitude update algorithm was put forward attitude update. And then attitude differential equations and attitude matrix were proposed based on Rodrigues parameters. Under angle velocity as the input with low-accuracy micro-mechanical velocity gyro, attitude errors were...
With the increase of the web applications in information society, Web application software security become more and more important. Recent investigations show that web application vulnerabilities have become the largest security threat. Websense security report shows that in the first half of year 2008 above 75% of the most popular Web site have utilized by the hackers to run malicious code. Detecting...
Parameters setting is an important problem of evolution algorithms, include differential evolution algorithm. It has an effect on the performance of evolution algorithms. Although there is only three control parameters in differential evolution (DE) algorithm, the parameters setting is also a difficult problem. Self-adaptation is highly beneficial for adjusting the control parameters, especially when...
This paper focuses on the method of case-based reasoning and its application in emergency commanding and decision-making. Features of emergency cases are analyzed firstly, then the description and storage pattern of emergency cases is designed, following that, the retrieval algorithm, which is the kernel of CBR, is discussed in detail , then the process of case-based reasoning in emergency commanding...
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