基于网络分析法的弹药生产响应能力影响因素

针对未来战场对弹药需求动态、突发、受任务冲击影响等特点,提出弹药生产响应能力概念,建立了任务冲击条件下弹药生产响应能力影响因素的指标体系。运用网络分析法,建立典型结构的弹药生产响应能力影响因素的网络模型,得出弹药生产响应能力的关键影响因素,为弹药生产响应能力分析与提高提供了科学研究方法。     

Production/distribution system design with inventory considerations

This study addresses the design of a three‐stage production/distribution system where the first stage includes the set of established retailers and the second and third stages include the sets of potential distribution centers (DCs) and potential capacitated suppliers, respectively. In this problem, in addition to the fixed location/operating costs associated with locating DCs and suppliers, we consider the coordinated inventory replenishment decisions at the located DCs and retailers along with the appropriate inventory costs explicitly. In particular, we account for the replenishment and holding costs at the retailers and selected DCs, and the fixed plus distance‐based transportation costs between the selected plants and their assigned DCs, and between the selected DCs and their respective retailers, explicitly. The resulting formulation is a challenging mixed‐integer nonlinear programming model for which we propose efficient heuristic solution approaches. Our computational results demonstrate the performance of the heuristic approaches as well as the value of integrated decision‐making by verifying that significant cost savings are realizable when the inventory decisions and costs are incorporated in the production distribution system design. © 2012 Wiley Periodicals, Inc. Naval Research Logistics 59: 172–195, 2012     

大型复杂装甲装备首批生产质量规律研究

针对装甲装备在生产中暴露出质量问题的统计数据,运用数理统计方法及MATLAB软件对故障数量、故障类型分别进行了数值分析,探索了大型复杂装甲装备首批生产质量形成规律,验证了缩短装备达到质量稳定期的措施。认为,统计得出的置信区间可以作为评价产品质量的重要标准,同时要采取过程控制等措施确保质量。要在批量生产前期检查产品质量,尽早暴露设计、生产中的问题。     

论化工企业的防火设计

通过分析现行化工企业防火设计的基本做法和趋势,提出化工企业防火设计的要点及应注意的问题.     

指数型产品可靠性验收试验的一种贝叶斯方法

采用贝叶斯方法 ,利用大量的历史数据和工程技术人员的丰富经验确定先验分布 ,制定出验收试验的一种新方案 .按照这一方案 ,在确保产品质量的前提下 ,可大大节省试验时间 ,从而得到十分可观的经济效益 .     

Scheduling economic lot sizes in deteriorating production systems

The paper considers the economic lot scheduling problem (ELSP) where production facility is assumed to deteriorate, owing to aging, with an increasing failure rate. The time to shift from an “in‐control” state to an “out‐of‐control” state is assumed to be normally distributed. The system is scheduled to be inspected at the end of each production lot. If the process is found to be in an “out‐of‐control” state, then corrective maintenance is performed to restore it to an “in‐control” state before the start of the next production run. Otherwise, preventive maintenance is carried out to enhance system reliability. The ELSP is formulated under the capacity constraint taking into account the quality related cost due to possible production of non‐conforming items, process inspection, and maintenance costs. In order to find a feasible production schedule, both the common cycle and time‐varying lot sizes approaches are utilized. © 2003 Wiley Periodicals, Inc. Naval Research Logistics 50: 650–661, 2003     

Israel’s Security Nexus as Strategic Restraint: The Case of Iran 2009–2013

This article examines the debates in Israel between 2009 and 2013 over Iran’s nuclear programme as a reflection of a particular type of civil–military or civil–security relationship. It analyses how key actors within that relationship – particularly those with an intelligence background – engaged with media outlets in Israel and further afield to influence domestic and international opinion over how best to contain Iran’s nuclear ambitions. In so doing, it seeks to address one fundamental question: are governments in Jerusalem any longer the final arbiters over deciding what is in the national security interests of the State of Israel?     

Factional politics in the Iran–Iraq war

This article examines the domestic causes of the Iran–Iraq War. It delves into secret discussions among Iranian political and military elites during the conflict, their analyses of their own performance on the battlefield, and their revealing public disputes and blame game decades later. It contends that an underexplored and yet critical driving force behind Iran’s prosecution of the war was factional politics. Along with state-level geo-strategic, regime-level security and individual-level ideological concerns, factional factors must also be examined to understand Tehran's war-time decisions. Iran’s factional rivalries began between the Islamists and the nationalists; and between the Islamic Revolutionary Guard Corps (IRGC) and the army at war’s outbreak, and eventually penetrated into the heart of the Islamist camp between the militant clerics and the IRGC.     

The value of information sharing in a two‐stage supply chain with production capacity constraints

We consider a simple two‐stage supply chain with a single retailer facing i.i.d. demand and a single manufacturer with finite production capacity. We analyze the value of information sharing between the retailer and the manufacturer over a finite time horizon. In our model, the manufacturer receives demand information from the retailer even during time periods in which the retailer does not order. To analyze the impact of information sharing, we consider the following three strategies: (1) the retailer does not share demand information with the manufacturer; (2) the retailer does share demand information with the manufacturer and the manufacturer uses the optimal policy to schedule production; (3) the retailer shares demand information with the manufacturer and the manufacturer uses a greedy policy to schedule production. These strategies allow us to study the impact of information sharing on the manufacturer as a function of the production capacity, and the frequency and timing in which demand information is shared. © 2003 Wiley Periodicals, Inc. Naval Research Logistics, 2003     

Allies at arm’s length: Redefining Egyptian–Soviet relations in the 1967 Arab–Israeli war

This article examines Egyptian–Soviet relations in the run up to the 1967 Arab–Israeli war. It argues that Egypt and the Soviet Union stumbled into brinkmanship with little coordination and no agreement on common objectives or goals. The article demonstrates how frustration and mutual disappointment were recurring features of the interactions between the two allies during the critical weeks prior to the war. In doing so, the article exposes new aspects of how Cairo and Moscow managed their alliance and assesses what that means to our understanding of the origins of this transformative war. These conclusions challenge revisionist accounts that attribute the start of the war to Egyptian–Soviet collusion and some traditional narratives that present the Soviet Union as an enterprising risk-taker invested in regional brinkmanship. The article draws heavily on Egyptian and Arabic language sources to examine Egyptian–Soviet interactions during this key period of Middle Eastern history.