負(fù)荷敏感式變量柱塞泵的動態(tài)仿真.pdf

1、西南交通大學(xué)碩士學(xué)位論文負(fù)荷敏感式變量柱塞泵的動態(tài)仿真姓名：張潘申請學(xué)位級別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：柯堅王國志20060301西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractDenlalldingonennronmentpmtectedanden盯gy—savingproductofⅡlemod鋤1industrydevelopmentpromotesthenewtypehi咖emciencya11denergysavi

2、ngvariabledisplacem肋tp啪pV撕abledisplacementp瑚叩’scorrhDlstylehasmallyways，suchasconstalltpressure，corlstantnuid，constantpower，electrohydraulicproportionaland10adscnsingetcLoadsensingV撕abledi印lacementpumpmainlyusepistonpump

3、，systemcanaut0feedbackthesi盟alch姐gesofnuidtothevariableconnDlledpartofmepumpchaIlging也epressllrepar鋤eteraIldproVidir咯meri鰣powerfor10adThercfbreitc趾greatlydecreasetllepow盯lossandincreasethee伍ciencyofmeo啦inalsourceThercse疵

4、h鼬lbjectis恤e10adsensingvari曲1edisplaceⅡlentpistonp砌pfor10ader’sstee咖gsyst鋤Theworking兩nciplesof10ad—seⅡsingva—abledisplacememp啪pforloadcr’ssteeringsystemisanalyzedaIldmemamemacicmodelofdirect—opemtiona11dpilot—operationva

5、riabledisplacem朋tpistonpumpisestablishedSy曲跚’snuidandpressuresimulationmodelsaresetupusillgMatlab／SimulinkSimulatillgtlledyn吼icresponseofmepumpwhenloadersteeringin也elow、middle孤dhighVelocityaImtheloadpresguresurpassthegaf

6、aypresgureAt1ast，challgeseveralp盯鋤etersofthep啪p，analyzemeinnuencetothepump’snuidaIldprcssuredynamicreSponsemrou曲simulationncallprovidemeoreticalbasisformesyst鋤optimizaIionKey們rds：Load—sensiIlg；V耐abledisplacementpistonpun