汽車轉(zhuǎn)向助力系統(tǒng)的節(jié)能研究.pdf

1、太原理工大學(xué)碩士學(xué)位論文汽車轉(zhuǎn)向助力系統(tǒng)的節(jié)能研究姓名：李一染申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：權(quán)龍20020101太原j坐II凡學(xué)fl!；|I學(xué)竹論殳AbstractAsthelimitofitsoperatingprinciple，theconventionalcenteropenedhydraulicpowersteeringsystemhadaIowerenergyutilizingrateInthispaperba

2、sedonanalyzingtheconventionalcenteropenedhydraulicpowersteeringsystemindetail，referringtelationalstudyanddata，thepresentseveralenergysavingschemesofhydraulicpowersteeringsystemwerestudiedonebyoneandtheenergysavingeffecto

3、fthemwerecomparedThesehydraulicpowersteeringsystemwerecenteropenedhydraulicpowersteeringsystemwithvariabledisplacementpump，centeropenedhydraulicpowersteeringsystemwithelectromotor(electrohydraulicpowersteering)，mechanica

4、lcenterclosedhydraulicpowersteeringsystem，centerclosedelectro—hydraulicpowersteeringsystemThroughanal)’zingandcomparing，itcanbeprovedthattheelectro—hydraulicpowersteeringsystemwillbedevelopedmainlyinthefutureIntheenviron

5、mentofMatlab60，usingtheSimulinkblockset，thepermanentmagnetbrushlessdirectcurrentelectromotorwassimulatedBasedonthis，themodelsofthetwokindsofelectrohydraulicpowersteeringsystem，thecenteropenedelectrohydraulicpowersteering

6、systemandthecenterclosedelectrohydraulicpowersteeringsystem，werebuiltUsingthemodels，itwasstudiedandcomparedthattheflowcharacteristicandresponsecharacteristicoftwokindsofelectrohydraulicpowersteeringsystemOnthebasisofresu

7、ltsofsimulation，itispointedthat，intheconditionofpresenttechnologythecenteropenedelectro—hydraulicpowersteeringsystemisbetterthanthecenterclosedelectrohydraulicpowersteeringsystemanditshouldbethefirstschemefortheenergysav