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In this paper, an improved estimation of distribution algorithm (EDA) is proposed and applied to the identification of ARMA model parameters. The system parameter identification problem is transformed into the optimization problem in high dimensional parameter space. Based on the traditional EDA algorithm, the parameters of preliminary estimation and data selection are added to improve the speed of...
Population initialization, as an important step in population-based stochastic algorithm, can affect the convergence speed and the quality of solutions. Generally, random initialization is used to generate initial population when lacking priori information. This paper presents a new initialization method by applying space transformation search (STS) strategy to generate initial population. Experimental...
Mobile element has been proposed to assist data collection or data relay in wireless sensor networks, since it is able to either significantly save energy consumption or reach disconnected nodes due to the limited radio range. Trajectory of the mobile elements play an important role in avoiding buffer overflow of sensor nodes. In this paper, we propose optimization problems for mobile elements in...
This work presents the design, fabrication and experiments of a new blood-filtering chip based on SU-8 and PDMS. The main function of this blood-filtering chip is to filter the leukocyte out of the blood. This new leukocyte filtered chip is composed of three parts: cover plate, filtering plate and receiving plate. The shape of the transfusing channel is optimized by simulation. The new blood-filtering...
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