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1、第1卷第4期汽車工程學(xué)報Vl01.1NO.42011年9月ChineseJournalofAutomotiveEngineeringSept.2011.——車用磁流變阻尼器流變學(xué)建模2與分析n張紅輝1,2余昭2徐海鵬2曹青2鄧兆祥渤(1.汽車噪聲振動和安全技術(shù)國家重點實驗室,重慶,400039;2.重慶大學(xué)光電工程學(xué)院,重慶,40003O)摘要:飽;,rq+,~u,一u-、+廠口術(shù)et阻尼器的重要特性,對于磁流變可控阻尼器而言尤其如此{(lán)耄。為了避免示功圖缺陷,本文提出了一種新的磁流變阻尼器設(shè)計方案,在阻尼器中設(shè)計了一個旁通通道,流變
2、學(xué)建呲模及分析表明,這可以緩解大電流激勵條件下由于流動阻塞而產(chǎn)生的示功圖缺陷。關(guān)鍵詞:磁流變阻尼器;流變學(xué)建模;汽車工程中圖分類號:u463.1文獻(xiàn)標(biāo)志碼:ADOI:10.蠶.3969/j.issn.2095—1469.2011.04.Ol1m鵲nrheologicalDamperforAutomotiveEngineering哪ZhangH。nghui,YuZha。,XuHaipeng,Ca。Qing,D。ngZha。xiang州g4Abstract:Smoothdampingforceversusdisplacementisan
3、importantcharacteristicsofdampersfOrautomotive,anditISespeciallysignificantforthecontrollableMRdamper,Toavoidthedistortionsinthisview.a(chǎn)nove1designedMRdamperwithpass—bygapisproposedandrheologicallyanalyzed.Itiss~hownthatthepass~byp∞canundertaketheMRfluidflowwhenitisfull
4、yactivatedinlargecurrentexcitation.Consequently,theforcelagbroughtbyflowblockcanbelightenedoralleviated.Keywords:magneto—rheologicaldamper;rheologicalmodeling;automotiveengineerinAstheprogressofapparentviscositycontrollabletheMRdamperforsuspensionscannotbeadoptedinMagn
5、eto—rheological(MR)fluidfrom1980’S,large。scale,notonlyforthehighcost,whichcanbetheapplicationthatmostcatchoureyesistheloweredbytheproductionvolumeincrement,butalsoMagneride(TM)Semi—activesuspenSionforthetechnicalobstructsinMRfluidandthedevicesautomotives,whichiSselecte
6、dasoneofthe100"Bestusingit.ofWhatSNew”technicalachievementsof1999byTheMRdamperinliteratureinspiteof,POPULARSCIENCE.However,aftermanyyears,thecontrollabledampingforce,doesnotgettheReceiveddate:2Ol1—9.11Foundationitem:TheMOST”973”program(2010CB736104);TheNaturalScienceFo
7、undationProjectofCQCSTC(CSTCJJA70005);TheGraduateScienceInnovationFundofChongqingUniversity(CDJXS11120002)