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How to reasonably allocate and schedule resources of wireless sensor system to maximum its potential capability has been an important area for research. In this paper, we focus on the Optimal Sampling Frequency Assignment (OSFA) in a real-time wireless sensor networks (RTWSN). An appropriate OSFA should both guarantee a good quality of real-time service and efficiently utilize the limited network...
This paper discusses the asset allocation problem for a portfolio under dynamic copula model. Financial market is always influenced by the fluctuations of economic factors, the dependence structure of financial data doesn't keep static all the time. Dynamic copula is an efficient method to deal with the problem. In this paper, we describe the change of dependence structure among portfolio assets by...
In this paper, an efficient practical method for designing PI controller is proposed. The design is based on optimization of load disturbance rejection with constraint that the Nyquist curve of the loop transfer function is tangent to a line parallel to the imagine axes in the left-half of the complex plane. Thus, it satisfies both robustness and performance requirements. Simulation examples are given...
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