MATLAB与C/Visual C++混合编程的实现

在ＭＡＴＬＡＢ支持下实现了与Ｃ／ＶｉｓｕａｌＣ＋＋语言的相互调用,利用Ｃ／ＶｉｓｕａｌＣ＋＋语言的优点和ＭＡＴＬＡＢ良好的可扩充性,对ＭＡＴＬＡＢ的功能进行扩充,将ＭＡＴＬＡＢ语言的矩阵运算和图形绘制等功能与Ｃ／ＶｉｓｕａｌＣ＋＋语言的诸多特点相互结合起来补充其不足,并利用实例进行了验证。     

基于VC6.0和FORTRAN语言的造波机控制软件的研究与开发

文章介绍了基于Vc＋＋6．0和FORTRAN语言混合编程的造波机控制软件的研究与开发。用VC＋＋6.0调用FORTRAN编译生成的动态链接库的方法实现了Vc和FORTRAN语言的混合编程。使用Windows的Winlo库实现了控制软件和造波机伺服系统间的通信。使用WindowsXP环境下的高精度定时的方法满足了造波系统对控制软件定时精度的要求。     

Modbus协议在温湿度环境监控系统集成中的应用

采用SIMATIC语言编程实现了基于Modbus协议下的S7—200PLC通讯程序和用VC＋＋实现的上位监控软件通讯程序，实现了温湿度环境监控系统中PLC控制器的监控数据功能集成。     

动态信号采集分析系统软件设计与实现

本文介绍了动态信号采集分析系统软件的设计方法，以及如何采用VB、Access、VC＋＋三种语言混合编程来实现本系统软件。     

利用VC4-＋／C编程实现Windows与Linux的网络通信

结合VC＋＋和C语言在某火灾监控系统中的实际应用,讨论了在嵌入式操作系统Linux和Windows间实现网络通信的关键技术,并给出了通信软件的基本原理和开发步骤。     

CLIPS与Visual C++接口的研究

简单介绍了CLIPS语言及其不足,分析了使用ViSual C＋＋与CLIPS混合编程的内涵.在保持CLIPS的核心推理机的情况下、利用VC平台的兼容性和通用性等特点,研究了将CLIPS核心推理机嵌入到VC平台中的方法一直接嵌入式和动态链接库DLL嵌入式.详细介绍了实现Visual C＋＋与GLIPS接口的具体技术.给出了实现Visual C＋＋与CLIPS的混合编程的部分代码.     

开放式数控系统下位机实时控制模块的研究与开发

以ADT854运动控制卡为例,开发了下位机实时控制子系统,该系统采用实时数据采集、实时监控、COM组件技术等关键技术和C＋＋语言编程技巧,实现了下位机实时控制目标。     

封罐机CAD系统的研制

本文在Ｃ＾＋＋语言环境下研制了封罐机ＣＡＤ系统,可以实现封罐机靠模凸轮的自动设计与数控加工。该软件已经成功的应用于生产。     

D语言在机械加工和数控测量中的应用

D语言是一门新兴的通用计算机编程语言，由著名计算机语言专家Walter Bright设计并实现。其设计目标是为了让程序员通过较短的学习曲线就得以掌握一门高效、安全、可面向硬件及系统级API的高级语言，从而避免C语言开发的繁琐、C＋＋语言繁杂的特性及冗长的学习曲线。     

非等概率条件下自动化立体仓库出入库周期计算

在非等概率条件下,建立计算堆垛机平均单作业周期和平均复合作业周期的数学模型,利用C＋＋语言编制了计算自动化立体仓库堆垛机作业周期的程序,并在Visual C＋＋6．0编辑器上调试通过,实现了非等概率条件下堆垛机作业周期的求解。     

铸造大学之魂

“铸造大学之魂”是一个重大的哲学命题。“文化是大学之魂”深深地蕴涵在“育人是大学之本”和“科学是大学之根”之中,其核心是大学应当坚守的文化品位和崇高理想。主要凝聚在深厚的文化底蕴之中的大学文化是一种独特的社会文化形态,是大学赖以坚守文化品位和崇高理想、承担起历史赋予的重大使命的根本。铸造大学之魂,对于大学办学来说,是一项非常有意义的基础性、全局性和战略性的工作,应当与时俱进,持之以恒。     

Comments on the shortcomings of predicting the precision of Cavalieri volume estimates based upon assumed measurement functions

It is well known that the estimation of an object's volume by means of serial cross-sections, the so-called Cavalieri method, yields an unbiased estimate. But by itself it provides no means by which to estimate how precise this estimate is unless the shape of the volume is fully known beforehand. This knowledge can only be partially determined from the serial section information that is collected. Methods have been developed that claim to surmount this difficulty by using the serial section data to create a mathematical model of the volume's shape properties. The model then is used to estimate (predict) the precision of the volume estimate (its CE) from the single set of data available. Unfortunately, the theory underlying the model is flawed and so the model itself amounts to no more than an unsubstantiated guess about the shape of the volume. Therefore, the precision of the volume estimates that one obtains from the method is only as good as the model and this cannot be ascertained from the single set of acquired data. In this letter I explain the inadequacies of the modelling method. I suggest that it be used only with caution, if at all. Instead I suggest two alternative ways to predict the CE, one that is based upon a rule-of-thumb approach to the object's shape, and another that is based upon spectral analysis of the measurement function and that is easy to implement with available computer software.     

采用轮廓识别法实现零件曲面重构

线性曲面反求算法的目的是根据原始数据点云反求得到能够正确反映原零件拓扑结构的线性曲面模型。该反求算法的核心思想是构造一个空间函数 ,该函数近似表示三维空间上任一点到所求曲面的距离 ,然后通过轮廓识别算法 ,可以由这个函数提取反求曲面的一个线性近似。本文所阐述的线性曲面反求算法结合网格优化算法可由原始数据点云 ,反求得到一个精确而简洁的具有任意拓扑类型的零件线性曲面。     

几种开放式微机数控系统比较

从开放式微机数控系统的研究进展及实现技术上,讨论了3种以应用通用计算机技术为主要特征的开放式数控系统。论文指出数控专用模板嵌入通用PC机构成的数控系统具有了初步开放的特点;基于开放式可编程运动控制器的结构是比较先进的技术,实现了两个级别的开放;全软件式数控系统是一种全新概念的开放式数控系统,使系统高度开放性的实现成为可能。     

基于灰色数学方程的尺寸链求解方法

对于机械零件误差的不确定性，常用随机不确定性理论来描述。作者分析了误差和公差的不确定性，发现它们可用灰色不确定性描述，并应用区间灰数数学方程来作了尺寸链的求解。结果发现，所得到的结果与尺寸链的极值求解方法相同。这也证明了应用灰色不确定性来描述误差和公差是正确的。     

Efficient updating of PDE models for metrology

We describe a model selection methodology for partial differential equation (PDE) based models and show the results of applying it to a test problem. A methodology for comparing and choosing simplified models is of benefit to the model development process in metrology. It is assumed that the computational aim is not only to solve the model to obtain the results that the metrologist requires, but also to ensure that the model is no more complex than necessary to achieve this, and that results can be obtained in a reasonable time using the available computing resources. The advantage of the proposed method is that it avoids the need to solve directly the underlying complex model. We present the results of comparisons of four models of the test problem and identify the further work needed to improve the approach and to extend it to a wider range of problems.     

A planar geometric design approach for a large grasp range in underactuated hands

The performance of an underactuated hand is mainly determined by its mechanical design. However, the effect of the dimensions of the phalanges and palm and the torques applied to the phalanges by the actuation mechanism to the range of objects that can be successfully grasped is not known. The objective of this paper is to elaborate a method to dimension the main design parameters such that the hand grasps the desired range of objects. This method consists of three steps that calculate (1) boundary conditions to the length of the phalanges and the palm width such that the required object range is enveloped by the fingers; (2) boundary conditions to the torques that have to be applied to the phalanges to achieve equilibrium of the fingers and objects; (3) optimal dimensions of the phalanges, palm and actuation mechanism. It is concluded that the design steps - sustained by analytical equations and graphs to calculate and visualize the relation between the design parameters and the performance - constitute an effective method to design underactuated hands that grasp a large range of object sizes.     

基于区间数学的尺寸链求解方法

对于机械零件误差的不确定性,常用随机不确定性理论来描述。分析误差和公差的不确定性发现,它们可用区间数学加以描述,并应用区间数学求解尺寸链发现,所得结果与尺寸链的极值求解方法相同。这也证明了应用区间数学来描述误差和公差是正确的。     

Ferrofluid Lubrication of a Journal Bearing Considering Cavitation

Ferrohydrodynamic lubrication in journal bearings by considering cavitation boundary conditions is studied. It is assumed that the magnetization vector is not parallel to the magnetic field vector. Various bearing characteristics have been studied and it is seen that qualitative behavior of these characteristics remains similar to that in the case of non-ferromagnetic fluid. However, a significant quantitative enhancement of these characteristics is observed.