液压马达和电液比例节流阀性能分析与测试的研究

《液压马达和电液比例节流阀性能分析与测试的研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、洳≯文嘧硕士学位论文⑧第四章，概括了全文的主要研究工作和成果，并展望了今后需进一步研究的工作和方向．关键词：液压马达；背压；摩擦转矩；效率；电液比例节流阀；流量；压力；频响特性测试；阻尼短孔；仿真；自动化；试验．ⅡWiththefastdevelopmentoffluidpowerandcontroltechniqueinthelastcentury,ithasbeendevelopedasahighlyintegratedinterdisciplineofhydraulictechnique，m

2、icroelectronictechnique．senSOrS&testingtechnology,modemcontroltheoryetc．．Huidpowerandcontroltechniquehascombinedcharacteristicoffuidpowerandmechatronicsobviously．Thetechniquehasbeenwidelyappliedtoindustry,agricultureandsoon．Hydraulicmotorandelectro—hy

3、draulicproportionalthrottlearetwoimportanthydrauliccomponentsinhydrauliccontrolsystem，sotheanalysisandtestingoftheirperformanceisveryimportant．Takingaxialpiston—bentaxishydraulicmotoranddirectdrive&single-stageelectro—hydraulicproportionalthrottleasex

4、ample，basedonthetheoryofelectromagnetics，hydromecharticsandkinematicsetc．，themathematicalmodelsofhydraulicmotor’sefficiency,proportionelectro-magnet'sperformance,electro·hydraulicproportionalthrottle'sperformanceandfrequencyresponse’shydraulictestings

5、ystemareestablished,theinfluenceoftheirparametersontheirperformanceisanalyzedbycomputeemulationandexperimentalstudy．Basedontheoryanalysisandexperimentalstudy,someconclusionwhichhassignificancefordesign,testingandapplicationissummarized．如chapter1，based

6、ondocumentsathomeandabroad，thedevelopmentandapplicationofhydraulicmotorandelectro—hydraulicproportionalthrottleisanalyzed，sometrendsonthedevelopmentofthemaresummarized，thecharacteristicsoftestingsystemofthemwhichareexistingathomearealsoanalyzed．Atlast

7、，thesignificanceandmaincontentsofresearcharesummarizedinbrieLInchapter2，takingaxialpiston-bentaxishydraulicmotorasexample，themathematicalmodelofitsefficiencyisestablished，andtheinfluenceofparametersaboutbackingpressure,rotationalspeedetc．onhydraulicmo

8、tor’Seffidencyisanalyzed．OnthebasisofexistingexpefimentMcondition，theautomatichydraulicmotortestingsystemisbuilt，andexperimentwithdifferentconditionisaccomplished．Theinfluenceofbackingpressureonhydraulicmotor'sefficiencyisdiscussedindetailespe