基于改进樽海鞘群和最小二乘支持向量机算法的新型弹药质量评估方法

针对新型弹药产品质量评估样本数据少、试验消耗大、未有效利用制造过程质量数据等问题,提出一种基于改进樽海鞘群和最小二乘支持向量机（LSSVM）的新型弹药质量评估方法。以新型弹药靶试数据为输入,对批次弹药发射成功率进行贝叶斯估计。利用LSSVM建立弹药批次制造质量数据与弹药发射成功率之间关系的评估模型,使用精英质心和反向学习策略改进的樽海鞘群算法对LSSVM进行优化,有效提升评估模型的准确性,并以某新型弹药为例对评估模型有效性进行验证。验证结果表明：与传统LSSVM、粒子群优化的LSSVM及樽海鞘群优化的LSSVM模型相比,该模型具有较高的准确度和较强的鲁棒性,对新型弹药产品的质量评估有一定借鉴意义。     

基于QFD方法的高寒山地弹药供应保障设施需求分析

在弹药供应保障中要重点依托信息化技术，寻找能够有效解决弹药供应保障过程中出现各种问题的策略，建立合理的弹药供应保障指挥体系，为切实提高我军的弹药供应保障能力奠定基础。基于品质功能配置法（Quality Function Deployment，QFD）对弹药供应保障的设施需求进行了分析，较之传统的侧重于经验累积和主观推理的需求分析方法，可以更好地满足高寒山地条件下的弹药供应保障设施需求。     

基于层次分析的直升机弹药系列优化设计

依据直升机的特点,确定了影响直升机使用弹药的七个指标.建立了直升机弹药系列层次分析结构模型,并运用层次分析法对优化模型进行了解算.根据计算结果确定了直升机使用轰炸武器时要优先考虑的弹型,为直升机弹药优化提供了必要的分析手段.     

航空弹药随机存储策略模型

综合航空弹药消耗的特点,提出一种航空弹药随机存储策略模型。在满足限定条件的情况下,对模型求解,找出最优存储策略。结果表明,此模型可在一定程序上体现航空弹药随机订货的特点,能起到一定的参考作用。     

某两自由度弹药传输机械臂拓扑优化设计

为了对两自由度弹药传输机械臂进行轻量化,并保证轻量化的机械臂仍能满足动静态性能要求,采用拓 扑优化的方法进行优化设计。在RecurDyn 中建立弹药传输机械臂的动力学模型,在Matlab/Simulink 中建立弹药传 输机械臂的联合仿真系统,采用PID 方法对弹药传输机械臂进行位置控制,通过OptiStruct 软件平台建立其左臂和 右臂有限元模型,采用变密度方法的拓扑优化技术对机械臂的左右两臂进行减重。结果表明：该设计是合理的,左 右两臂质量比原模型质量降低36.6%,优化后的模型满足刚强度性能要求。     

AHEAD弹子弹空间运动规律分析

根据小口径子母式反导弹药的结构，子弹装填方式以及开舱原理，建立了其开舱后子弹运动规律的运动模型，并进行计算机仿真，得到了子弹散布与子弹装填方式，母弹结构等因素的关系，为该弹毁伤效能的提高以及弹药结构的优化提供了理论依据。     

迫击炮灭火弹发射安全性计算与仿真

从迫击炮森林灭火弹发射安全性分析着手，结合有关弹药强度理论对弹体强度进行了校核。在此基础上，运用Ansys软件建立了迫击炮灭火弹在发射过程中易发生危险的断面部分（圆柱部）的仿真模型，分析了最高膛压下的应力变化情况。最后，对数值仿真与理论计算结果进行了比较，说明了模型建立的正确性。     

破片贯穿目标等效靶的极限速度

破片贯穿目标等效靶的极限速度是弹药、战斗部工程关注的问题之一。本文介绍了实验确定破片极限速度的基本方法，并用能量法建立了理论分析模型。此法对破片式杀伤战斗部和其它弹药设计具有一定的参考价值。     

基于近红外光谱的梯恩梯凝固点温度检测方法研究

为实时检测梯恩梯(TNT)生产过程中的凝固点温度，结合化学计量学和光谱学，采用偏最小二乘法建立近红外光谱分析技术，实时检测TNT凝固点温度的定量模型。通过比较1阶导数+标准正态变量变换（SNV）、多元散射校正（MSC）、1阶导数、SNV、1阶导数+MSC、2阶导数6种原始光谱数据优化预处理方法，发现选择光谱建模区间为9 403.8~ 4 597.7 cm^-1、1阶导数（17点平滑）+SNV预处理方法建立的模型最佳，模型相关系数R²=0.991，交互验证标准偏差为0.178. 主成分分析及模型验证结果表明：用最优模型预测不同机台的硝化物凝固点温度，近红外光谱分析预测值与人工测定值偏差最大为0.950 4%； 该模型有较好的稳定性、预测性，能够识别不同类型的样本，在短时间内用近红外光谱分析法可测定凝固点温度。     

有限混合泊松分布参数优化的改进EM算法

为解决 EM 算法易于陷入局部最优的问题,提出一种有限混合泊松分布参数优化的改进 EM 算法。建立混合泊松分布模型,利用 EM 算法求解模型中的参数向量,并结合算例指出该算法对初值敏感的缺陷,引入智能优化算法对算例进行改进。分析结果表明：使用优化算法后,对数似然度的增大十分明显,增加了求得最优解的概率。     

Nitrosation and Nitration of Tetraacetyldibenzylhexaazaisowurtzitane

Tetraacetyldibenzylhitane (TADBIW) was subjected to debenzylation by nitrosating with inorganic materials available commercially to synthesize tetraacetyldinitrosohexaazaisowurtzitane (TADNSIW). TADNSIW was purified, and its structure was determined by FTIR, 1H NMR, MS and element analysis. The debenzylation reaction of TADBIW gave quantitative benzaldehyde as a by-product. This indicates that the reaction produces an imine cation as an intermediate. Hexanitrohexaazaisowurtzitane (HNIW) was prepared from unpurified TADNSIW with the yield over 96.0 % and the purity more than 98.0 %. And the mechanism of the reaction from TADNSIW to HNIW is proposed to be oxidation of nitroso and nitration of acetyl on the molecule of TADNSIW, This reaction system involved is simple, and the reaction can complete within a short time and under mild conditions. The product can be easily to separate and the waste disposed readily.     

A Robust Algorithm for Watermarking 2D Vector Maps with Low Shape-Distortions

The technique of watermarking has been introduced into 2D vector maps for many potential applications such as protecting the copyright of important GIS （geographical information system） data and tracing the data source of military maps. In most previous works, although the validity of the map data could be preserved during the embedding procedure, the shape-distortions of the map elements are usually neglected which would tend to degrade the invisibility of the watermarking schemes. A shape-preserving algorithm for watermarking 2D vector maps is presented in this paper. A 1D distance sequence extracted from the original map is adopted as the cover data instead of 2D coordinates. A watermark bit is represented by changing the distributions of the cover data. The embedding procedure induces lower shape-distortions than in former works. Experimental results indicate better invisibility of the proposed scheme, as well as its robustness to certain attacks such as map simplification, interpolation, additive noise and most geometric transforms.     

Open Rule-setting System Applied to Conceptual Design of Engines

Open rule-setting method advanced in this paper concentrates on providing designers of engines with a convenient way to express their design innovations and develop the expected prototypes in the early CAD stage, and constitute effective models for the following analysis process of CAE and CAPP. The problems arisen in the process of conceptual design with the traditional experience-based development method are analyzed. Based on those analyses, open rule-setting method is presented and some associated technical problems are discussed. The functional framework of open rule-setting system was built as software engineering methods. The speciality of the engine product as a kind of complex product and the requirement of the engine product based on its structural particularity to rule-setting system are considered carefully. A demonstration is supplied to illustrate how the open rule-setting method enhances the efficiency and quality of the engine conceptual design.     

Research on Linux Network Device Driver

By analyzing the working principle of Linux network device driver, discussing the Linux network driver structure and its key technologies, the general network driver structure and its design methodologies in Linux system are summarized. Through modifying the network device driver of Linux device driver 3rd version snull, c and improving the COW technology, the Zero-Copy technology in Linux （kernel version 2.6.11 ） is implemented. In the end, the success test tells us that the thorough analysis of network device driver is the foundation of many applications, and it also provides a certain improvement to a lot of real applications, even to military application development.     

Improvement and Experiment of the Reamer in Vibra Cutter Against Wave Edge of Titanium Sheet Alloy Parts

By analyzing the influencing factors of part quality making of sheet alloy of titanium by vibra cutter, the shape of upper reamer is set as cylinder and wedge-shaped form, and the lower reamer as plain and hemicycle form, and its main structural parameters are defined as well. Then it is validated further that such improved vibra cutter reamer can be used to process curve-edged parts of titanium alloy sheet. The experimental result shows that the titanium alloy sheet parts processed by above equipment have no sharpen angles for convex parts and evident crevasse of concave-edged part. In summary, such improvement can eliminate the free-waved edge and improve the manufacture quality of titanium alloy sheet parts greatly.     

Experimental Study on the Small Flyer Initiating Behavior of Fine-grained Explosives

The initiating behavior of fine-grained explosives by small flyer is studied. The diameter of small flyer in this device is 1 ram. The test results indicate that the granularity of explosives has great effect on its flyer initiating sensitivity.The flyer initiating sensitivity of the fine-grained explosives is higher and the critical initiating energy is lower than that of common explosives. For common explosive, the flyer initiating sensitivity increases as the density is reduced. But for the fine-grained explosive, the test results are exactly opposite.     

Algorithm for Multi-laser-target Tracking Based on Clustering Fusion

Multi-laser-target tracking is an important subject in the field of signal processing of laser warners. A clustering method is applied to the measurement of laser warner, and the space-time fusion for measurements in the same cluster is accomplished. Real-time tracking of multi-laser-target and real-time picking of multi-laser-signal are introduced using data fusion of the measurements. A prototype device of the algorithm is built up. The results of experiments show that the algorithm is very effective.     

Influence of Installing Error on the Surface Shape Precision of the Axial Symmetry Aspheric Workpiece in Lapping

A method to calculate the surface shape error, which is caused by the installing error between the workpiece and the lapping tool in the process of form lapping, is proposed. The mathematical model which the installing translation error influences on the workpiece surface shape error is established. The changing rule of the error is simulated through the calculating example of the paraboloid workpiece. The results indicate that the surface shape error of the workpiece is increasing with the increase of the installing translation error, it is also increasing gradually along the center point of the curve surface to the edge, and the influence is severer to the curve surface with great curvature than that of the small curvature when the translation error is the same.     

Experimental Research on Output Performances of Giant Magnetostrictive Actuator

The paper introduces the performances of magnetostrictive actuators and its applications, discusses the design methods for the structure and internal magnetic circuit of a giant magnetostrictive actuator, and makes tests on the output displacement and force characteristics for an actuator using homemade magnetostrictive material. The experimental result shows that the actuator has satisfactory output precisions and ranges in transient and stable states, and can be used in lowfrequency vibration control system of precise equipment.     

Robust Graded Sliding Mode Tracking Control for Low Speed Spinning Ballistic Missiles

The nonlinear dynamic model of spinning ballistic missiles is established during the first boosting phase of the missile. Based on the conventional backstepping sliding mode control and the assumption of a two time-scale separation of missile dynamics, a graded sliding mode controller is designed with two sub-sliding surfaces which have invariability to external disturbances and parameter perturbations, and a matrix which comprises three first order low pass filters is introduced to prevent ＂explosion of terms＂. Owing to the upper bounds of the uncertainties are difficult to obtain in advance, adaptive laws are introduced to estimate the values of the uncertainties in real-time. Eventually, the numerical simulation results given to show the proposed controller can ensure the steady flight of missiles.