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The inverted pendulum system is characterized as a typical nonlinear, fast multi-variable, essentially unstable system. It is difficult to control because of its instability .In order to improve balance control, the mathematical model of the single inverted pendulum is established, a LQR controller is designed which is based on improved artificial bee colony. Experiments show that the improved algorithm has better performance than standard artificial bee colony algorithm on convergence and rate balance control to meet the requirements of the single inverted pendulum.

This paper presents an intrusion detection model based on shuffled frog leaping algorithm, the model search speed, high accuracy based on shuffled frog leaping algorithm, using the shuffled frog leaping algorithm generates a set of classification rules from the KDD99 data network audit data collection, quality and the use of objective function shuffled frog leaping algorithm to control the production rule, and then application of the rule of dynamically generated to rule based intrusion detection system, achieve the purpose of detection. The experimental results show that, this method of detection rules generation based on shuffled frog leaping algorithm, can significantly improve quality of generation rules, reduce the rules of intrusion detection system based on the false negative rate.

As a core course of the Internet of Things specialty curriculum system, wireless network technology course is difficult to learn. The main reason is that learners can not do experiment at any time anywhere because of no equipments for experiment. In order to solve the difficulties discussed above, a network simulation system named ENSP is introduced in this article. ENSP mainly simulates enterprise routers, switches as close to the real hardware as it possible, which makes the lab practice available and easy without any real device. So it provides great convenience to wireless network researchers. The application of the network simulation system is putting the theory of “teaching-learning-doing” into practice. It can enhance the students learning interest, and also obtained the good teaching result.

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