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Failures exist ubiquitously in physical actuators, which usually are uncertain in time, pattern, and value. This effect would deteriorate system tracking performance, and even trigger instability. In this paper, we consider the problem of compensating for actuator failures by proposing a fuzzy control scheme for stochastic nonlinear systems. Comparison with existing research on stochastic nonlinear...
An improved mean shift segmentation method featuring adaptive parameter selection is presented in this paper. We associate the bandwidths and weight for each point in a spatial-range feature space with boundary information in an image plane. Varying weight and bandwidth for each pixel are assigned according to a boundary map, which is obtained by learning multiple edge cues. We consider two groups...
Facing all kinds of attacks and destruction of campus network, we urgently need agood detection model to detecting all kinds of campus network attack with high detection rate and low false positive rate, which possesses the ability of recognizing unknown abnormal activities. With considering the characteristic of network data source, a new intrusion detection application model is proposed. With the...
In this paper the problem of power control in cognitive radio system is approached from the perspective of non-cooperative game theory, and an algorithm is presented. A new utility function for mobile terminals is defined, and a detailed analysis of the existence and uniqueness of Nash equilibrium for the utility function. A effective sigmoid efficiency function and a new pricing mechanism called...
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