LabVlEW

摘要： 电动农机的电驱动系统主要包括电驱动系统试验台的硬件设计、电驱动测试系统的二次开发.在电驱动系统试验台应具有通用性和可扩展性的功能基础上,对试验台进行模块化划分,主要工作模块包括电源检测模块、动力输出模块、负载模拟模块和数据采集模.根据试验台各个模块的功能分析及传感器等设备的选型,自行设计了电驱动系统试验台;运用LabVIEW图形化可编程软件,进行电驱动系统试验台测试系统主界面的开发,并在LabVIEW中实现试验数据的采集、存储、显示等功能.

摘要： 多线切割技术是针对硬脆材料难以加工所提出的一种新型切片技术,在成本控制的前提下,弥补了电火花切割在导电性差的硬脆材料加工方面的不足.设计了一种新型的线切割设备,研究了收放线轮速度同步控制、张力控制和布线控制,从机械结构优化方面进行了控制系统的开发.针对张力电机控制的复杂性,设计了基于空气弹簧的张力控制装置.通过Modbus总线协议开发了基于LabVIEW的人机交互系统.金刚砂线切割设备产品测试结果表明设备结构设计合理,控制方案可靠性、稳定性好,满足控制系统的精度要求.%The technology of Multi-wire saw is a new method on the process of hard brittle material.It has made up the insufficiency in WEDM in which nonconductors can not be processed.Due to this situation,the project plans to develop a new set of wire saw based on the technology of wire saw.Firstly,the speed synchronization control and wire arrangement control are been analyzed with a structural optimization.Secondly,in view of the shortage of tension motor,the project use air spring as the tension control segment.Finally,the wire saw's control system is established by utilizing LabVIEW to develop HMI with Modbus protocol.The experiment results show the validity of design,its well stability and credibility in the process.The control system meets the demand of precision.

摘要： As a kind of clean and renewable energy, solar energy has been developed widely. The solar power has become one of the major applications. To ensure the stable and efficient work of the solar power, each part of the generation system must be monitored, which can make the working environment and conditions of the solar power be understood efficiently in time. A set of test system based on PXI bus is developed on the platform of LabVIEW , which can monitor the meteorological parameters include temperature, wind speeds, wind direction, illumination and tracking device parameters such as rotation angle, acceleration, noise, wear displacement. The real-time automation remote monitoring can be achieved with the application of the Internet technology. In contrast with the traditional method, the disadvantages such as the poor real-time performance, low accuracy and the waste of the human could be solved efficiently.%作为一种清洁的可再生能源,太阳能的利用也得到迅猛的发展.太阳能发电已经成为太阳能利用的主要方式之一.为了保证太阳能发电设备能稳定高效的工作,必须对太阳能发电系统的各个部件进行监测,以便能及时有效的了解所监测的太阳能发电系统各个部件的工作环境及工作情况.文章以LabVIEW为平台,开发了一套基于PXI总线的测试系统,对气象参数包括温度、风速风向、照度以及跟踪装置参数包括转角、加速度、噪声以及磨损位移进行监测;同时运用网络技术,实现了对太阳能发电系统的实时远程自动监测,克服了传统方法实时性差、精确度低、浪费人力的缺点.

摘要： 姿控发动机通过推力器控制推力,提高空间飞行器机动性能.推力性能测试是姿控发动机最重要的被测参数之一,其测量离不开推力测量试车台.针对姿控发动机推力性能测试要求,设计了姿控发动机试车台.为满足动态测试性能,机械结构采用HyperWorks分析并优化;为保证系统安全、稳定,测控系统采用labview的多重主/从嵌套模式搭建.测试结果表明,姿控发动机试车台不但能很好地满足姿控发动机推力性能测试的需求,而且其功能设计和良好的人机界面为姿控发动机的测试、改进提供了便利.

摘要： 针对现有城市路灯耗电量大、管理粗放、无法实现单灯控制等问题,设计了基于ZigBee技术和LabVIEW软件的智能路灯控制系统.系统以TI公司的ZigBee芯片CC2530为主控芯片,利用各种传感器采集道路照度、车流量以及路灯的运行参数,并将以上数据经无线传感网络上传到上位机软件,对路灯进行智能控制.该系统具有成本小、组网简单、节能效果好的特点.%Aiming at the problems of large power consumption,extensive management and no single lamp control in the existing urban street light,the intelligent street light control system based on ZigBee technology and LabVIEW software was designed.The system was based on Tl's ZigBee chip CC2530 as the main control chip,which collected road lighting,traffic flow and street lamp operating parameters using a variety of sensors.Then the above data was uploaded to the host computer through the wireless sensor network.The purpose of intelligent control of the street lights was achieved.The system had the advantages of low cost,simple network and good energy saving effect.

摘要： 为了实现测量光电探测器的微弱交流信号，成功设计了基于LabVlEW虚拟的锁相放大测试系统模拟仿真，以及搭建以锁相放大器SR7270为核心测试系统。实验结果表明，该测试系统能够实现nA级微弱交流信号的检测。%ln order to realize the measurement of the weak AC signal of the photodetector,the simulation of the lock-in amplifier measuring system based on LabVlEW virtual system and the real measuring system based on the SR7270 lock-in amplifier is designed in this paper.

摘要： 实验室是学生把课本上的知识得到实践的一个重要平台,但是难免有一些实验室的环境会威胁到学生的健康安全,为此,研究了如何使用Nl公司设备compactRIO-9024与WSN(无线传感器网络)节点,配合传感器,同时监测热处理实验室和工业设计实验室内的一些环境参数,当环境参数达到危害学生身体健康时,可以采取一定的智能措施自动维持环境保持在一个比较正常的水平.

摘要： 在整车动态模拟测试系统中,测试软件是必不可少的一部分.针对整车动态模拟测试系统的环境及要求,采用LabVIEW为开发工具,采用模块化的设计思想,设计了一款动态模拟测试软件,讨论了软件的设计方案、总体结构、各模块的设计.主要功能包括参数的设置、数据的采集、数据的通信、数据的分析与处理、数据的显示,数据的保存回放及打印.在测试系统中得到实际应用,控制测试系统并保存数据,提高了测试系统的自动化程度,验证了测试软件精确性及可靠性.

摘要： This paper mainly introduces structure layout,test principles and LabVlEW software development of this system. Experiment results show the testing system can obtain the expected aim of testing high-speed miniature bearings' perfor-mance by testing a certain type bearing samples.%基于LabVlEW软件平台，开发的高速微型轴承测试系统用于测量微型轴承高速运行时的摩擦力矩、振动、温度和转速等动态性能参数。介绍了自行研制的高速微型轴承测试系统的结构布置、测试原理以及LabVlEW测控程序设计思路等内容，并针对某型号微型轴承样件进行试验。试验结果表明，该高速微型轴承测试系统达到了测试高速微型轴承性能的目的。