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传感器组合优化问题是设备状态检测系统设计的重要问题.在研究传感器与故障有向图的基础上,提出了传感器优化配置模型;根据传感器组合优化自身特点,从位改变率、惯性权重两个方面对BPSO算法进行了参数分析.结合免疫算法的“亲和度”思想以及非线性惯性权重递减公式,提出了改进的二进制粒子群算法.案例显示,改进的二进制PSO算法提高了算法在整个解空间的搜索能力,加快了收敛速度,能够很好地用于解决传感器优化问题.  相似文献
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在介绍液压传动控制技术在船艇装备应用的基础上,分析了液压系统的特点及其故障定位的困难性,提出了测点优化选择的重要性和现实性。依据成熟的图论理论、数学方法及测点布置的相关研究,结合已有的测点布置技术,对测点布置在液压设备上的优化选择进行了分析。  相似文献
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We consider the problem of placing sensors across some area of interest. The sensors must be placed so that they cover a fixed set of targets in the region, and should be deployed in a manner that allows sensors to communicate with one another. In particular, there exists a measure of communication effectiveness for each sensor pair, which is determined by a concave function of distance between the sensors. Complicating the sensor location problem are uncertainties related to sensor placement, for example, as caused by drifting due to air or water currents to which the sensors may be subjected. Our problem thus seeks to maximize a metric regarding intrasensor communication effectiveness, subject to the condition that all targets must be covered by some sensor, where sensor drift occurs according to a robust (worst‐case) mechanism. We formulate an approximation approach and develop a cutting‐plane algorithm to solve this problem, comparing the effectiveness of two different classes of inequalities. © 2015 Wiley Periodicals, Inc. Naval Research Logistics 62: 582–594, 2015  相似文献
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