兵器人工物工程学研究

在人工物工程学基础上提出了兵器人工物工程学概念,论述了兵器人工物工程学研究的意义和主要内容,详细阐述了形成创新兵器概念的知识支持环境、创新兵器及其系统设计、制造的信息及知识支持环境和兵器人工物生存学主要研究内容、意义及其方法。初步为二十一世纪兵器战略和兵器工业可持续发展提出了一个重要的研究和开发方向。     

Roundness error evaluation by minimum zone circle via microscope inspection

Utilizing the convex hull theory, a novel minimum zone circle (MZC) method, named improved minimum zone circle (IMZC) was developed in this paper. There were three steps for IMZC to evaluate the roundness error. Firstly, with the convex hull algorithm, data points on the circle contour were categorized into two sets to determine two concentric circles which contained all points of the contour. Secondly, vertexes of the minimum circumscribed circle and the maximum inscribed circle were found out from the previously determined two sets, and then four tangent points for determining the two concentric circles were also found out. Lastly, according to the evaluation using the MZC method, the roundness error was figured out. In this paper, IMZC was used to evaluate roundness errors of some micro parts. The evaluation results showed that the measurement precision using the IMZC method was higher than the least squared circle (LSC) method for the same set of data points, and IMZC had the same accuracy as the traditional MZC but dramatically shortened computation time. The computation time of IMZC was 6.89% of the traditional MZC.     

Fuzzy control method to minimize the needle deflection during needle insertion therapy

A fuzzy control algorithm is adopted to help the needle hit the target more accurately. The experimental setup for the needle insertion is built up to validate the algorithm. How the forces dur- ing the insertion make the needle deflect away from the planned path is given, and the normal meth- od correcting the deflection is obtained accordingly. Because the normal method cannot perform well for correction, a fuzzy controller is established. The input module, output module, fuzzification module, defuzzification module and inference engine for the controller are given respectively accord- ing to the fuzzy theory. Our experimental results show that the fuzzy controlling system presenting in the paper can better eliminate the deflection.     

Product Maintenance Oriented Remote Monitoring and Diagnosis System

A research on maintenance oriented remote monitoring and diagnosis modular as well as the data transportation technique is carried out.An opened and modularized data share framework integrated with virtual graphic transportation is presented to realize the data exchange.As a result,it implements a real-time monitoring,diagnosis and maintenance systerm based on WWW.An effective support technique for the real-time remote fault diagnosis,maintenance and entire life cycle design of products is supplied.     

特种装置中微小型轴与齿轮装配方法可行性研究

针对特种装置中微小型轴与齿轮的结构特点和承载要求,提出了适合于微小型轴和齿轮装配要求的4种工艺方案,并重点对其中激光焊接和过盈装配两种方法进行了详细讨论,经过有限元仿真分析和装配加载试验,证明了装配方案是切实可行的。     

高速旋转实验机卧式安装连接方式分析

详细分析了高速旋转实验机传动链采用柔性连接和刚性连接两种连接方式的优缺点,并建立了传动链动力学模型,分析各特征参数对传动链动态特性的影响.     

微动工作台线性化精度评价方法研究

并联徼动工作台广泛应用于高精度场合。目前,微动工作台还沿用传统并联机构的精度分析方法,这些方法在应用中无法全面定量地反映出微动工作台的精度,因此有必要对其精度分析和评价方法进行研究。具体以一种六自由度微动工作台为例,利用微分方法得到了输入输出位姿的显示雅克比矩阵,并对线性化方法的精度进行验证。提出了精度系数的概念,利用精度系数判断机器人在应用范围内各种条件下是否会影响其运动精度。误差仿真算例显示该方法是可行的。     

微小尺寸零件复杂边缘识别算法研究

目的：为了实现对微小尺寸零件复杂边缘的识别,根据微小尺寸零件加工特性,提出一种微小尺寸零件复杂边缘显微图像识别算法。方法：该算法通过对不同工件的边缘过渡区进行提取,建立不同工件边缘过渡区的数学模型,再从数学模型中根据加工特性确定边缘点精确位置。结果：实验结果表明：精研磨工艺的零级1mm标准量块的测量误差为0.395μm。结论：通过对精研磨、冲压、线切割三种常见微细加工方法建模分析得出：加工特性对微小型结构件边缘区域影响较大,边缘精确识别时应考虑加工特性的影响。该算法思想上考虑了实际加工特性的影响,算法上加入统计学方法,通过建立过渡区数学模型使边缘检测结果达到亚象素级。     

FMS 状态监测与故障诊断总体方案探讨

从柔性制造系统（ＦＭＳ）的故障机理入手，分析研究了ＦＭＳ状态监测与故障诊断总体框架及策略，包括：ＦＭＳ状态监测方法，ＦＭＳ故障简易诊断与精密诊断策略，ＦＭＳ状态监测与故障诊断分层实现模型。     

用于微小金属零件制造的电化学加工机床

介绍了自行研制的用于微小型金属零件加工制造的高频群脉冲电化学精密加工机床。机床主体采用“C”型结构,阴极主轴进给系统由交流伺服电动机、谐波减速器、滚珠丝杠等精密部件构成一个半闭环系统,进给速度分辨率可达±2μm,实现了阴极主轴的微细进给;另外,配以高频群脉冲电源,获得了微小型金属零件的精密加工。