基于LabVIEW的风机性能远程测试系统的研究论文[带图纸].doc -- 45 元

编号无锡太湖学院毕业设计（论文）题目基于LabVIEW的风机性能远程测试系统的研究信机系机械工程及自动化专业学号学生姓名指导教师（职称高工）（职称）2013年5月25日II无锡太湖学院本科毕业设计（论文）诚信承诺书本人郑重声明所呈交的毕业设计（论文）基于LabVIEW的风机性能远程测试系统的研究是本人在导师的指导下独立进行研究所取得的成果，其内容除了在毕业设计（论文）中特别加以标注引用，表示致谢的内容外，本毕业设计（论文）不包含任何其他个人、集体已发表或撰写的成果作品。班级机械93学号0923109作者姓名2013年5月25日III摘要风机技术生产和研究的主要环节是风机性能检测的试验。随着风机技术的发展，人们对风机性能检测试验的要求也越来越高。目前，现代风机性能测试正从人工测试向自动化测试转变。测试仪器和计算机技术的结合，孕育了一种新的检测仪器虚拟仪器。虚拟仪器是一种可以利用计算机资源，并由用户设计其功能的具有一系列虚拟面板的仪器系统。虚拟仪器的网络化是实现风机性能远程测试技术的关键。在此基础上，本文提出了利用NI公司开发软件LabVIEW构建风机性能远程测试系统的方案。本文主要分为三部分。第一部分介绍了虚拟仪器的特点、组成、概念以及相关的网络技术，并介绍了LabVIEW的特点第二部分分析风机性能试验基本原理，然后根据系统设计要求对传感器、风机工作环境、旋转挡板和数据采集卡等进行了选型，设计了信号调理电路第三部分，以LabVIEW作为开发平台具体做出风机系统的设计流程并对风机性能远程测试系统的软件设计进行讨论和研究。关键词虚拟仪器远程测试风机性能LabVIEWIVAbstractFanperformancetestingexperimentisanindispensiblestepinthetechnologystudyandproductionoffan.Withthedevelopmentofthefantechnological,itsdetectiontechnologyrequirementsarealsogettinghigher.Atpresent,modernfanperformancetestingistransformingfromthetraditionalmanualtestingtoautomatictest.Withintegrationofcomputerandtestinginstruments,virtualinstrumenthasemergedasanewtestingtechnology.Withintegrationofcomputerandtestinginstruments,virtualinstrumenthasemergedasanewtestingtechnology.NetworkbuildingofvirtualinstrumentsisthekeytechnologyinactualizingtheremotetestingBasedonabovediscription,buildingofalongdistancefantestingsystemprogrammebyusingNILabVIEWsoftwarewasproposedinthispaper.Thepaperisdividedintothreeparts.Thefirstpartintroducedtheconceptofvirtualinstruments,characteristics,structureandthevirtualnetworkequipmentrelatednetworktechnology,andintroducesthefeatureofLabVIEW.Fanperformancetestinthesecondpartanalysisthebasicprinciple,andthenbasedonthesystemdesignrequirementsofsensor,fanworkenvironment,therotarybaffleanddataacquisitioncardandsoonhascarriedontheselection,designthesignalconditioningcircuitThethirdpart,thespecificmakefansystemwithLabVIEWasthedevelopmentplatformofthedesignprocessandperformanceofthefanisaremotetestsystemsoftwaredesignarediscussedandstudied.KeywordsvirtualInstrumentremotetesting,fanperformanceLabVIEWV目录摘要................................................................................................................................................IIIAbstract..............................................................................................................................................IV1绪论..................................................................................................................................................11.1引言...............................................................................................................................................11.2研究的目的和意义................................................................................................................11.3国内外研究状况....................................................................................................................11.4本文研究的内容和目标........................................................................................................22虚拟仪器技术及相关知识..............................................................................................................32.1虚拟仪器简述........................................................................................................................32.2虚拟仪器系统的构成............................................................................................................32.2.1虚拟仪器的硬件..........................................................................................................32.2.2虚拟仪器的软件..........................................................................................................32.3虚拟仪器的特点....................................................................................................................42.4虚拟仪器的开发平台............................................................................................................42.4.1面向仪器与测控过程的图形化开发平台LabVIEW.............................................42.4.2LabVIEW的特点.....................................................................................................42.5本章小结................................................................................................................................53风机性能试验的原理......................................................................................................................63.1风机性能试验概述................................................................................................................63.1.1风机性能试验的原理和方法......................................................................................63.1.2风机的性能参数..........................................................................................................73.1.3风机的性能曲线..........................................................................................................73.2风机性能试验........................................................................................................................73.2.1风机性能测试的环境参数..........................................................................................73.2.2风机性能测试中的结构参数......................................................................................73.2.3风机性能试验装置的方案及选用..............................................................................83.3风机性能参数的相关计算、处理........................................................................................93.4风机性能曲线绘制..............................................................................................................103.5本章小结..............................................................................................................................114采集系统的设计.............................................................................................................................114.1风机性能测试系统的组成..................................................................................................114.2风机工况调节装置的设计..................................................................................................114.2.1结构设计....................................................................................................................124.2.2步进电机的控制........................................................................................................13