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1、毕业设计基于LabVIEW的虚拟实验室的研究姓 名： 学 号： 班 级： 专 业： 所在系： 指导老师： 基于LabVIEW的电力电子技术虚拟实验室的设计与实现摘要实验在普通高等教育中占有非常重要的地位，是对学生进行素质教育的一个重要环节。随着计算机技术、网络技术、多媒体技术、以及虚拟仪器技术的发展，虚拟实验室应运而生。访问者只需拥有一台可连接到Internet的电脑就可以不受时间地域的限制完成实验，同时虚拟实验可减少实验设备的开销，节省人力物力。虚拟实验作为传统实验的一个必要的有益补充，既能节约大量的教育经费，也使实验在时间和空间上得到有效的延伸。它在教育、科研等领域中具有广阔的应用前景，是
2、实验教学的一个新的发展方向，是当前研究的热点课题之一。因此，虚拟实验室的构建具有重要的现实意义。 论文分别从基础理论、技术方法和应用开发三个层面对虚拟实验室的构建做了比较全面的研究，着重研究了虚拟实验室的理论架构、建模方法以及关键技术，并在此基础上构建了“电力电子虚拟实验室”。 本文着重于适应教学需求这一角度，利用LabVIEW和MATLAB软件从基础理论、技术方法和应用开发三个层面对虚拟实验室的构建做了比较全面的研究，着重研究了虚拟实验室的理论架构、建模方法以及关键技术，并在此基础上构建了“电力电子虚拟实验室”。并以三相桥式可控整流电路实验为例，通过实验增加了学生做实验的兴趣，同时也提高了教
3、学质量。关键词: 虚拟实验室；LabVIEW；电力电子 Power electronic technology based on LabVIEW design and implementation of Virtual LaboratoryAbstract Experiment teaching has been playing an increasingly important role in highe ducation. Its a key measure to improve the students ability. Virtual Laboratory appears with t
4、he development of computer technique, Network technology, multimedia technology and Virtual Instrument technique. Visitors need only have a connection to the Internet computer can not subject to geographical limitations of time to finish the experiment, at the same time, the virtual experiment exper
5、imental equipment can reduce costs, save manpower and material resources. As an essential and beneficial supplement to the traditional experiment, virtual experiments not only save a lot of education funds, but also extend theexperiments in time and space effectively. It has the vast applied foregro
6、und in theeducation and research realm. Virtual Laboratory is a new development directionof the experiment teaching as well as an active research topic recently. Therefore, the development of the virtual laboratory of network is very necessary.This thesis discusses on the construction of virtual lab
7、oratory from theoretical research, technological route and application development. It has, emphatically, discussed relevant theories, modeling methods and key technologies of virtual laboratory, According to theory framework, modeling methods and technological scheme mentioned above, an intelligent
8、 the Virtual Laboratory for Power Electric Experiment，is constructed. This paper focuses on the teaching demand of this point of view, the use of LabVIEW and MATLAB software from the basic theory, technology and application development three aspects of the construction of a virtual laboratory to do
9、a more comprehensive study, focuses on the study of Virtual Laboratory of the theoretical framework, modeling methods and key technologies, and on the basis of constructing the power electronic virtual laboratory. And to the three-phase bridge controlled rectifier circuit experiment as an example, t
10、hrough the experimental increase students interest, and also improve the quality of teaching.Key words: Virtual Laboratory；LabVIEW；Power Electric目录第一章绪论11.1虚拟实验和虚拟实验室11.2国内外虚拟实验室的发展与现状11.2.1国外虚拟实验室的发展与现状11.2.2国内虚拟实验室的发展与现状11.2.3国内外研究现状存在的问题21.3电力电子虚拟实验室开发与研究的背景和意义21.4本文主要研究内容3第二章虚拟实验室的开发环境介绍52.1概述52
11、.2虚拟仪器技术52.2.1虚拟仪器的定义52.2.2虚拟仪器的硬件平台62.2.3虚拟仪器的应用软件72.3虚拟仪器的功能及特点72.3.1虚拟仪器的功能72.3.2虚拟仪器的特点82.4开发平台介绍92.4.1LabVIEW简介92.4.2LabVIEW应用程序的构成102.4.3LabVIEW的操作模板112.4.4LabVIEW的主要特性13第三章虚拟实验室的系统结构153.1硬件结构153.1.1网络虚拟实验室结构153.1.2本地实验室系统153.2软件结构163.2.1混合编程163.2.2三层结构203.3网络结构及网页发布213.3.1网络结构采用B/S结构213.3.2网页发布223.4系统管理与操作流程23第四章电力电子虚拟实验室系统的设计与实现254.1虚拟实验室的实现方法254.2虚拟实验室各模块实现254.2.1用户界面模块的实现264.2.2仿真计算模块的实现284.2.3通信管理模块的实现294.2.4规则审查模块的实现294.2.5数据库管理模块294.3电力电子虚拟实验室的网络发布304.4虚拟实验室应用实例304.4.1三相桥式可控整流电路的实验原理314.4.2实验过程31第五章总结35参考文献36致谢
