基于案例决策理论的仿真任务共同体服务选择算法

资源分配优化是面向服务（ SOA）的大型多用途仿真系统的关键问题,而含有不确定状态或效果的服务选择是资源分配优化中的一个难点。针对以上问题,提出了构建仿真任务共同体的方法,基于案例的决策理论（ CBDT）的思想,设计了一种不确定型仿真任务共同体服务选择算法（ CBDSSA）。算法通过服务选择案例相似度的层次化运算,生成相似历史案例集,计算得到相似历史案例的方案效用值,最终评估出目标服务选择方案综合效用值并排序备选。算例验证表明,算法约束条件少,层次结构分明,运算结果直观,为仿真任务共同体服务选择问题提供了一种新的思路和实践手段,对大型多用途仿真系统资源分配优化研究具有一定的参考价值。     

“常规武器装备研制程序”的不足与改进

我国早期制定的《常规武器装备研制程序》,已不能适应当今武器装备研制过程中的可靠性和装备综合保障的新的观念和要求.现分析了原研制程序在这方面的不足,并提出修订研制程序的阶段划分并调整各阶段工作内容的建议;从根本上规范了武器装备研制工作,使其与装备综合保障工作同步进行和相互协调,以求所研制的武器装备交付部队使用后,能尽快形成战斗力.     

新经济与图书馆信息服务创新

本文简要介绍了新经济的概念及特征,探讨了图书馆面临新经济的挑战和机遇,并对图书馆信息服务的创新及其发展趋势进行了论述.     

标准信息统一描述及其订阅与发布研究

建立标准信息管理系统的难点在于为内容广泛的标准确定统一的描述形式,建立公开高效的标准发布方式和满足用户个性化检索需求.从标准信息的表现形式出发,建立了标准统一描述形式;通过关键词检索服务和命令检索服务建立了高效的标准发布方式;通过身份认证服务和用户订阅服务满足了用户个性化检索需求.     

Think again – supplying war: reappraising military logistics and its centrality to strategy and war

This article argues that logistics constrains strategic opportunity while itself being heavily circumscribed by strategic and operational planning. With the academic literature all but ignoring the centrality of logistics to strategy and war, this article argues for a reappraisal of the critical role of military logistics, and posits that the study and conduct of war and strategy are incomplete at best or false at worst when they ignore this crucial component of the art of war. The article conceptualises the logistics–strategy nexus in a novel way, explores its contemporary manifestation in an age of uncertainty, and applies it to a detailed case study of UK operations in Iraq and Afghanistan since 2001.     

基于性能的装备采购合同商选择研究

根据基于性能的装备采购目标,在考虑合同商满足军方提出的性能指标的基础上,从合同商的资质、生产技术能力、装备价格成本、装备保障性能、管理运营情况和双方协商沟通水平等方面建立了合同商选择评价指标体系,并运用层次变权综合决策方法进行综合评判。案例分析表明：该方法能充分反映决策者的意愿,使合同商的选择更好地满足基于性能的装备采购的需要。     

Efficient multinomial selection in simulation

Consider a simulation experiment consisting of v independent vector replications across k systems, where in any given replication one system is selected as the best performer (i.e., it wins). Each system has an unknown constant probability of winning in any replication and the numbers of wins for the individual systems follow a multinomial distribution. The classical multinomial selection procedure of Bechhofer, Elmaghraby, and Morse (Procedure BEM) prescribes a minimum number of replications, denoted as v*, so that the probability of correctly selecting the true best system (PCS) meets or exceeds a prespecified probability. Assuming that larger is better, Procedure BEM selects as best the system having the largest value of the performance measure in more replications than any other system. We use these same v* replications across k systems to form (v*)^k pseudoreplications that contain one observation from each system, and develop Procedure AVC (All Vector Comparisons) to achieve a higher PCS than with Procedure BEM. For specific small-sample cases and via a large-sample approximation we show that the PCS with Procedure AVC exceeds the PCS with Procedure BEM. We also show that with Procedure AVC we achieve a given PCS with a smaller v than the v* required with Procedure BEM. © 1998 John Wiley & Sons, Inc. Naval Research Logistics 45: 459–482, 1998     

Analysis and optimal design of discrete order picking technologies along a line

Order picking accounts for most of the operating expense of a typical distribution center, and thus is often considered the most critical function of a supply chain. In discrete order picking a single worker walks to pick all the items necessary to fulfill a single customer order. Discrete order picking is common not only because of its simplicity and reliability, but also because of its ability to pick orders quickly upon receipt, and thus is commonly used by e‐commerce operations. There are two primary ways to reduce the cost (walking distance required) of the order picking system. First is through the use of technology—conveyor systems and/or the ability to transmit order information to pickers via mobile units. Second is through the design—where best to locate depots (where workers receive pick lists and deposit completed orders) and how best to lay out the product. We build a stochastic model to compare three configurations of different technology requirements: single‐depot, dual‐depot, and no‐depot. For each configuration we explore the optimal design. © 2008 Wiley Periodicals, Inc. Naval Research Logistics, 2008     

中国美育究竟应该怎样为现代化建设服务

在美育领域,有一种现象应当引起我们的注意:无论是教育者还是受教育者都是审美主体,因为两者的目的都是为了更好地对待审美对象,实现主体与客体的互通共融。当代中国的美育建设,要多从西方美的异化和中国特色社会主义美好事物的培育、展示的对比中彰显社会主义的优越性和鲜明的时代特色,激发人民群众建设中国特色社会主义的激情和献身精神。在当前,我国的美育建设可以采取主体和对象分层的办法作为创新方式方法的一种思路,要以活动为中心开展社会审美教育,要创新审美活动的组织形式和手段,加强审美教育并使之超越对事物的一般性感知,要让人们以欣赏的眼光对待中国特色社会主义建设取得的巨大成就,使美育所展示的美好事物成为激扬民族和时代精神的意向表达。     

基于改进SLP的军事物流基地设施平面布局研究

由于传统SLP方法的不足,在解决设施较多的军事物流基地布局问题上面临较大困难。为解决此问题,提出了改进SLP方法,以军事物流基地设施间综合相互关系为基础,构建平面布局模型,并确定目标函数和主要约束条件。随后对模型的求解进行遗传算法设计,并运用Matlab编程实现模型的求解,从而得出平面布局的最优解。最后以最优解为基础,结合限制条件进行修正,完成军事物流基地设施平面布局设计。