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含随机穿越特征指标的离散系统满意估计问题
Satisfactory estimation problem for discrete systems with stochastic passage characteristics index constraint
摘要点击聽聽24聽聽全文点击聽聽15聽聽投稿时间:2008-3-17聽聽最后修改时间:2008-11-3
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DOI编号聽聽
聽聽2009,26(8):867-872
中文关键词聽聽满意待机估计聽聽双线性矩阵不等式聽聽随机穿越特征量聽聽目的域
英文关键词聽聽satisfactory opportunity awaiting estimation聽聽bi-linear matrix inequalities聽聽stochastic passage characteristics聽聽target area
基金项目聽聽国家自然科学基金资助项目(60804019); 南京理工大学科技发展基金资助项目(XKF09020).
学科分类代码聽聽A
作者单位E-mail
戚国庆南京理工大学qiguoqing@mail.njust.edu.cn
陈黎南京理工大学
王远钢南京理工大学理学院, 江苏南京210094
盛安冬南京理工大学
中文摘要
聽聽聽聽聽聽当待估量的期望值是一个有界区域时, 对待估量穿越目的域边界问题进行了讨论. 通过对离散估计系统的区域极点、随机穿越特征量等指标的相容性进行分析, 给出了一种满足多指标要求的满意待机估计策略, 并设计了基于双线性矩阵不等式组(BMIs)的求解算法. 所给出的待机估计策略可保证待估量在目的域内平均滞留度满足一定的指标, 同时相对目的域边沿的平均穿越周期尽可能小, 从而达到了待估量在目的域内、外的时间分布更加均匀 的目的. 数值算例说明了所设计的估计策略满足多指标要求.
英文摘要
聽聽聽聽聽聽When the expectation value of an estimate is a finite area, the problem of stochastic passage over the target area boundary is discussed. By analyzing the consistency between the indices of the area pole and the stochastic passage characteristics of the discrete estimation system, we propose a satisfactory estimation strategy for opportunity-awaiting, which satisfies the requirements of multi indices; and develop the solution algorithm based-on bi-linear matrix inequalities(BMIs). The presented estimation strategy for opportunity-awaiting ensures the estimate to satisfy the index of average residence degree in the target area, and keeps the average traversing period over the target area boundary to be as small as possible. Therefore, the time distributions of the estimate being inside and outside the target area can be uniform as desired. Finally, the results are illustrated by a numerical example.
 
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