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Electric loading system is an important part of flight simulator. A control scheme based on proportional integral differential neural network (PIDNN) is proposed against the highly nonlinear and vulnerable of flight simulator electric loading system, and simulated by Matlab. Firstly analyze and study the model of the electric loading system, and theoretically analyze its disturbance from outside environment,...
The technologies of Wireless local networks and cellular network are very popular and more and more service under the integrated heterogeneous environment. Stream Control Transmission Protocol (SCTP) is considered as an ideal to support the communication between them by enabling a mobile client to freely switch the IP address in different networks. In this paper, we propose an extended analytical...
Trust negotiation (TN) is an approach to establishing trust relationship between strangers by disclosing iteratively credentials and access control policies. In open and distributed environment, while TN brings convenience in resource sharing, it still has some shortcomings, such as easy to fail in negotiation, difficult to track users' deed and so on. In ATN, access control policy plays a key role...
Product lifecycle management (PLM) is recognized as one of the leading technologies to facilitate companies overcome ever-increasing challenges. The concept and implementation of product lifecycle management have drawn much attention in both industry and academia. This technology offers companies a novel way to rapidly plan the research, manufacture, sale of the production. So the enterprise can deliver...
Hookworm infection as well as other intestinal nematodiases are endemic to Sichuan Province in China. In order to research the prevalence and intensity of these infections we visited two villages in Hejiang County (southern Sichuan Province) and Santai County (northwestern Sichuan Province) between July and October of 1997. Fecal examinations were performed on adult villagers over the age of 15 years...
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