On the support of the natural science foundation of hebei province , this paper selected " study on computer automatic measure system about sst of silicon steel sheet magnetization characteristic " as the subject of thesis for master ' s degree . it has important practical value 在河北省自然科学基金的资助下,本文选择了“硅钢片单片磁化特性计算机自动测量系统的研究”这一贴近工程实际的课题,具有重要的实用价值。
These days , automatic measuring system has new approach for the computers a great deal application . improving the precision and speed of motor test , carrying motor identity testing and adopting new testing method becomes feasibility because of the technique of electron developed rapidly in latter - day 近年来,计算机的大量推广应用为自动测试系统的发展开拓了新的途径,近代电子技术的迅速发展又为提高电机试验的精度和速度、进行电机特性测试及采用新的测试方法提供了可能性,进一步推动了电机测试技术的发展。
In the recent years , new intelligent instruments are equipped with gpib ( general purpose interface bus ) interface , making it connected with the computer and forming automatic measuring system . the system not only improves the measuring precision but also has the data processing capability and replaces the hardware with the software to fulfill functions that the hardware cannot implement 目前,新型的测试仪器上都备有了ieee488接口,如果在计算机中配上ieee488标准接口卡,将一系列仪器通过ieee488接口与计算机连接,组成自动测试系统,实现测试自动化,提高了仪器测量的精度,对测量数据进行快速、准确的处理,这样就起到事半功倍的效果,并且可以软件来取代硬件甚至完成硬件无法实现的功能。
A new method measuring the toted heat transfer coefficient of refrigeration unit is presented on the base of theoretical analysis and verifying experiments , then the total heat transfer coefficient of refrigeration unit can be calculated out through the experiment data . an automatic measuring and controlling system for refrigerated containers is also presented 最后,深入分析了冷藏集装箱热工性能实验的检测标准和实验方法,并利用研制的温度数据采集系统对冷藏集装箱进行了气密性实验、漏热实验和制冷机组性能实验并对结果进行了分析。
According the analysis of current test methods of the three parameters , i have found that the normal test methods can not apply for automatic measurement additionally , the automatic measuring system are usually strictly kept in secrete as know - how by motor manufacturer , so the purpose of my paper is to develop a set of automatic system to measure those three methods for product detection 常用的方法无法实现对三个电机参数的自动测试,而且国内外电机厂家都把电机参数自动测试系统作为企业技术秘密严加封锁,因此本文的研究目的就是开发一套能够一次性检测上述三个参数的自动测试系统以适用于电机产品出厂检测。
As a basic energy of our counrry . the determination of calorific value of coal is very important to the excavation and efficient exploitation of energy . the traditional method of determination has many complicated coursese and always needs much work made by man . so the research of automatic calorie meter makes significentthrough the detailed analysis of principle and method of measurement , an automatic measuring instrument controlled by microcomputer is designed in this paper in order to take the place of manual operations . the instrument can almost do every operation by itself , such as the control of experimental progress , data collection , data computation and the printout of experimental results . furthermore , a distributing system of measurement building on field bus is designed too . under the control of personal computer , several calorie meters can work independently and simultaneously . on the other hand , a powerful measuring and control software is developed using visual computer language - visual basic and visual c + + 设计不但能自动完成整个实验过程的控制和实验数据的自动采集,并且能自动完成数据计算和实验结果的打印输出。在此基础上,本文进一步设计出了基于现场总线技术的分布式测试系统,将多台自动热量计置于一台pc机的控制之下,极大地提高了测量的效率。并利用可视化语言visualbasic和visualc + +设计出功能强大的系统监控软件,以动画和实时曲线的形式动态模拟出整个实验的进程(包括故障显示) ,使得整个测量工作自动化、智能化。
We have developed an automatic measuring system of volume of large coal heaps based on laser scanning triangulation using the above techniques . it has high measuring speed , high accuracy and it is easy to be carried . the results of the application show that these methods can raise effectively the measuring precision of large scaled 3d surface profile 本文所讨论研究的系统是集光、机、电、算于一体的自动检测系统,可以实现煤场存煤量的自动测量,测量速度快,精度高,便于携带,可有效地替代传统的人工测量方法,提高电厂的生产管理水平。
The paper proposed the multi - parameters automatic inspection system plan . it has designed the mechanical drive organization as well as the part localization and clamps , has carried on the theory and the experiment for the different parameter request measuring method feasibility analyzes , has designed the measuring system test and control hardware and software , has realized the automatic measuring function data storage and analysis , and so on 论文提出了多参数自动检测系统方案;设计了工件定位和夹紧机构以及机械传动机构;对不同要求的对象参数的检测方法可行性进行了理论与实验分析,设计了检测系统的测控硬件和软件,实现了自动测量、数据存储和分析等功能。
This system is a totally automatic measuring and analyzing system with wide measuring range ( from 10 - 16 to 10 - 2a ) and high precision ( 0 . 2 % ) which is first developed in china . a 50 - loop current measurement and control system , and a micro - current automatically cycling measurement system together with its three - level protecting system are developed in this thesis . additionally , a software package for this measuring system of ion migration test is developed successfully 在对新型绝缘子离子迁移试验测量系统研制和开发的过程中,本文设计并研制出了50路电流测量控制系统,微电流自动循环测量系统及其三级保护系统;并成功地开发出一套离子迁移试验测量系统的软件系统,该软件系统不但简洁、易用,而且实现了采用软件对多个硬件设备的同步、协调控制,以及通过软件对多个(达100个) i / o节点的实时控制,另外,还实现了测量数据的自动存储以及对累积电荷量大小和发展趋势的自动分析功能等。