雙向電液比例控制器的設(shè)計(jì)與實(shí)驗(yàn)研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文雙向電液比例控制器的設(shè)計(jì)與實(shí)驗(yàn)研究姓名：謝俠飛申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：胡漢春2002.3.1●西南交通大學(xué)碩士研究生學(xué)位論文AbstractModernindustryneedsthecontrolsystemmustbecheep，savingenergyAndthesametime，thissystemisadapttohigh—powercontrolandbemaintainedex

2、pedientlyItscontrolprecisionmustfitacertainextentstandardNow，proportionalhydraulicvalvewhichdevelopedfromthegeneralhydrau]icvalveisappliedinallkindofcontrolscopesItusesproportionalelectromagneticirontochangetheelectronsi

3、gnalintomechanicalsignalinsteadofthemanualadjusterorgeneralswitchelectromagneticironWiththedevelopmentoftheratiosystem，theproportionalamplifierdevelopsconstantlYasthecontrolequipmentUntilnow，therehavehadthesinglewaypropo

4、rtionalvalvecontrollingthepowerortheroute，doublewayratiovalvecontrollingtheorientationTheycoverfluxcontrol，pressurecontrol，velocitycontrolandpositioncontr01Accordingtothesefunctions，ratioamplifierhassinglewayordoubleways

5、typeamplifierButhomemaderatioamplifierstillstaysthebaseofstepcontr01ThesteplesscontrollingamplifieralwaysdependsontheimportDC—WproportionalamplifierintroducedinthispaperisusedinthedoublewayscontrolsystemItcancontroltowel

6、ectromagneticironatthesametimeExpectforthedesignoftheamplifier，theemphasesistotestthestaticstateanddynamiccharacteristicofthecontrolsystemandprovideagreatdealreferencedatasothatthesystemcanworkwellTheproportionalvalve’na