升壓型開關(guān)液壓源原理及試驗(yàn)研究.pdf

1、浙江大學(xué)碩士學(xué)位論文升壓型開關(guān)液壓源原理及試驗(yàn)研究姓名：傅海輪申請學(xué)位級別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：李世倫20060201浙江大學(xué)碩士學(xué)位論文AbstractThisthesismainlyfocusesontheprinciple，characteristicandtheexperimentofthepressure—boostswitehmodehydraulicpowersupplyFirstlytheadvantages

2、anddisadvantagesofthetraditionalhydraulicsystemareanalyzedwiththeemphasisonitsenergysavingtechniqueandpressuretransformingtechniqueThenthecharacteristicofthehighspeedon，offhydraulicsystemandtheswitchmodehydraulicsystemar

3、eintroducedSecondlythestrucRlreandtheprincipleofthepressureboostswitchmodehydraulicpowersupplyarcproposedaccordingtothesimilaritybctweantheelectricsystemandthehydraulicsystemandthesteadycharacteristicofthissystemisalsoan

4、alyzedFinallytheenergylossandthedynamiccharacteristicofthecomponentsandthesystemarestudiedandtherationalityofthestructureandtheperformanceofthesystemarealsoprovedthroughtheexperimentsThefirstchapterisconcernedabouttheene

5、rgy姐vingeffectandpressuretransformingeffectofmultiactuatorhydraulicsystemBasedontheanalysisoftheadvantagesanddisadvantagesoftraditionalhydraulicsystemsandthecontrolsystem誦tlllligh—speedoll／offvalveitintroducesswitchmodeh

6、ydraulicpowersupplyingeneralItshowsadvantagesinenergysavingaspectusingswitchmodehydraulicpowersupplytomultiactuatorsystemwithonepumpAfteranalyzingthesesystemsindetail，thepurpose，prospectiveandtheresearchcontentsoftherese

7、archtopicarealsogivenThesecondchapterlaysemphasisonfindingoutthereasonablestructureofthepressureboostswitchmodehydraulicpowersupplybytakingadvantageofthesimilarityofelectricsystemandhydraulicsystemwhichCanrealizetheconti

8、nuouspressureboostwithindividualhydrauliccomponentsInthethirdchapteritshowsthatswitchmodehydraulicpowersupplyhasalargeenergylossasthehighspeedo“offvalveRimsonoroffTheenergylossisrelationtothefrequencyoftheoIl／offvalveWed

9、ividetheenergylossintotwoparts：dynamiclossandinstantaneouslossInordertodecreasethelossofthesystemitisnecessarytobuildmathematicalmodelandanalyzethedynamiccharacteristicofaIlthehydrauliccomponentsincludinghighspeedoIl，off