基于虚拟仪器的远程监控.doc

the remote experiment system profileThe traditional physical experiment to test experimental equipment and personnel and equipment is a frequent directly between the interaction, the general pattern: subjects to experiment with the hand equipment and instrument operation and adjustment, the associated experimental phenomena and the results through the experimenter eyes (some rely on smell, hearing the sensory experiment except) feedback back, then carries on the analysis, the processing and record. Will this model experiment for through the network to carry on the reform of the remote experiment, the key is to how to utilize the network extend volunteers hand to operate instruments, expand the view of the subjects to receive the phenomena of feedback image. From this you can think of, if can will experiment with computer connection and equipment to make its accept computer control, and the ?1远程实验系统简介传统物理实验中实验人员与实验设备和仪器之间进行着频繁的直接交互作用,其一般模式:实验者用手对实验设备和仪器进行操作和调节,随之产生的实验现象和结果通过实验者的眼睛(某些依赖于嗅觉、听觉等感官的实验除外)反馈回来,之后进行分析、处理和记录。将这种模式的实验改造为通过网络进行的远 无忧论文网 /gxgclw/2012/0313/lw201203131257599822.html程实验,其关键在于如何利用网络“延长”实验者的手来操作仪器,“扩展”实验者的视野来接收实验现象的反馈图像。由此可以想到,如果能将实验设备与计算机连接并使其接受计算机的控制,并且通过视频采集技术随时反馈实验的操作响应和结果,那么基于网络的远程实验就能够实现。根据这样的思路,可以设计出远程实验框架。1 the remote experiment system profileThe traditional physical experiment to test experimental equipment and personnel and equipment is a frequent directly between the interaction, the general pattern: subjects to experiment with the hand equipment and instrument operation and adjustment, the associated experimental phenomena and the results through the experimenter eyes (some rely on smell, hearing the sensory experiment except) feedback back, then carries on the analysis, the processing and record. Will this model experiment for through the network to carry on the reform of the paper nets /gxgclw/2012/0313/lw201203131257599822.html secure far process experiment, the key is to how to utilize the network extend volunteers hand to operate instruments, expand the view of the subjects to receive the phenomena of feedback image. From this you can think of, if can will experiment equipment and computer even ?1 the remote experiment system profileThe traditional physical experiment to test experimental equipment and personnel and equipment is a frequent directly between the interaction, the general pattern: subjects to experiment with the hand equipment and instrument operation and adjustment, the associated experimental phenomena and the results through the experimenter eyes (some rely on smell, hearing the sensory experiment except) feedback back, then carries on the analysis, the processing and record. Will this model experiment for through the network to carry on the reform of the paper nets /gxgclw/2012/0313/lw201203131257599822.html secure far process experiment, the key is to how to utilize the network extend volunteers hand to operate instruments, expand the view of the subjects to receive the phenomena of feedback image. From this you can think of, if can will experiment equipment and computer even ?1 the remote experiment system profileThe traditional physical experiment to test experimental equipment and personnel and equipment is a frequent directly between the interaction, the general pattern: subjects to experiment with the hand equipment and instrument operation and adjustment, the associated experimental phenomena and the results through the experimenter eyes (some rely on smell, hearing the sensory experiment except) feedback back, then carries on the analysis, the processing and record. Will this model experiment for through the network to carry on the reform of the paper nets /gxgclw/2012/0313/lw201203131257599822.html secure far process experiment, the key is to how to utilize the network extend volunteers hand to operate instruments, expand the view of the subjects to receive the phenomena of feedback image. From this you can think of, if can will experiment equipment and computer even ? 远程实验由以下几个部分组成:在“实验设备控制服务器”端,实际的物理实验设备与服务器相连并接受服务器控制;在“视频采集和发布服务器”端,服务器与摄像设备相连以记录实时的实验设备操作响应视频;在远程客户端,实验者使用客户端计算机分别与两个服务器建立通信通道:客户端向实验设备控制服务器发送控制信息和操作指令,同时接收 无忧论文网 /gxgcl 无忧论文网 /gxgclw/2012/0313/lw201203131257599822.htmlw/2012/0313/lw201203131257599822.html视频采集和发布服务器传送过来的实验现象反馈视频。关于远程实验方面已经有了一些有益的尝试和工作成果:文献1对远程实验的意义和一些基本实现思路作了探讨;文献2综述了在远程实验中可能使用到的一些技术;文献3、4给出了远程实验建设的实例;文献5描述了基于LabVIEW进行网络实验室建设的方法。The remote experiment by following several parts: in experiment equipment control server side, the actual physical experiment equipment connected with the server and accept the server control; In video collection and release server side, the server and the camera equipment connected to record the experiment equipment real-time operating response video; In the remote client, the experimenters use client computer respectively with the two server establish communication channels: the client to experimental equipment control server to send control information and instructions, and at the same time receive pillow paper /gxgcl paper nets /gxgclw/2012/0313/lw201203131257599822.htmlw/2012/0313/lw201203131257599822.html secure web video collection and release the server of the experimental phenomena feedback transmission over video. Experiments of remote has some beneficial attempt and achievements: wen ? 2实验设备远程控制的实现远程操作和控制系统,本实验系统中物理(光学)实验设备的控制和远程发布采用美国NI公司的LabVIEW开发环境加以实现。LabVIEW是应用于虚拟仪器领域的主流开发 无忧论文网 /gxgclw/2012/0313/lw201203131257599822.html环境,因其强大的功能和易学易用的图形化编程语言而获得测试测量领域研发人员的喜爱。LabVIEW在仪器领域中两个主要应用方向是数据采集和对智能仪器的控制,本实验系统是在数据采集(发生)方面的典型应用。 2实验设备远程控制的实现远程操作和控制系统,本实验系统中物理(光学)实验设备的控制和远程发布采用美国NI公司的LabVIEW开发环境加以实现。LabVIEW是应用于虚拟仪器领域的主流开发 无忧论文网 /gxgclw/2012/0313/lw201203131257599822.html环境,因其强大的功能和易学易用的图形化编程语言而获得测试测量领域研发人员的喜爱。LabVIEW在仪器领域中两个主要应用方向是数据采集和对智能仪器的控制,本实验系统是在数据采集(发生)方面的典型应用。 2实验设备远程控制的实现远程操作和控制系统,本实验系统中物理(光学)实验设备的控制和远程发布采用美国NI公司的LabVIEW开发环境加以实现。LabVIEW是应用于虚拟仪器领域的主流开发 无忧论文网 /gxgclw/2012/0313/lw201203131257599822.html环境,因其强大的功能和易学易用的图形化编程语言而获得测试测量领域研发人员的喜爱。LabVIEW在仪器领域中两个主要应用方向是数据采集和对智能仪器的控制,本实验系统是在数据采集(发生)方面的典型应用。 2实验设备远程控制的实现远程操作和控制系统,本实验系统中物理(光学)实验设备的控制和远程发布采用美国NI公司的LabVIEW开发环境加以实现。LabVIEW是应用于虚拟仪器领域的主流开发 无忧论文网 /gxgclw/2012/0313/lw201203131257599822.html环境,因其强大的功能和易学易用的图形化编程语言而获得测试测量领域研发人员的喜爱。LabVIEW在仪器领域中两个主要应用方向是数据采集和对智能仪器的控制,本实验系统是在数据采集(发生)方面的典型应用。2 experimental equipment remote control is realizedThe remote operation and control system, the system of experimental physics (optical) of experimental equipment control and remote issued by the United States the development environment of the NI LabVIEW realization. LabVIEW virtual instrument is used in the field of mainstream development pillow paper nets /gxgclw/2012/0313/lw201203131257599822.html environment, because of its powerful and easy is easy to use graphical programming language, get in test and measurement research and development personnels favorite. In the field of instrument LabVIEW in two main application direction is data acquisition and control of intelligent instruments, the experimental system is in the data acquisition (happen) aspects of the typical application.三色光合成实验中的红、绿和蓝3种色光采用发光二极管发生,并且使用方波作为发光二极管的驱动信号,调节输入到3个发光二极管的3路方波信号各自的占空比就可以实现对每个发光二极管亮度的调节。这里使用NI的数据采集卡6014配合LabVIEW实现方波信号的发生。6014数据采集卡只有两路 无忧论文网 /gxgclw/2012/0313/lw201203131257599822.html模拟输出,因为实验需要对3个发光二极管同时进行驱动,所以这里考虑使用数字I/O口完成方波的发生工作:数字输出时的高电平作为方波的峰值,低电平作为方波的谷值,改变DIO02共3个数字输出端口发生的周期重复的连续若干个高低电平中高电平所占的比例就可以完成对方波占空比的调节。Three colored light synthetic experiments of red, green and blue 3 kinds of color