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1、黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì)摘 要電控液壓動(dòng)力轉(zhuǎn)向系統(tǒng)可解決汽車轉(zhuǎn)向輕便性和靈敏性的矛盾,使駕駛員在汽車低速行駛時(shí)獲得較大助力,高速行駛時(shí)獲得較強(qiáng)的路感。本次設(shè)計(jì)主要完成電控液壓動(dòng)力轉(zhuǎn)向系統(tǒng)的液壓部分和機(jī)械部分的設(shè)計(jì)。在設(shè)計(jì)中將車速信號(hào)和轉(zhuǎn)向盤角速度信號(hào)引入液壓轉(zhuǎn)向系統(tǒng)，電子控制單元根據(jù)車速傳感器和轉(zhuǎn)向盤轉(zhuǎn)角傳感器檢測的車速信號(hào)和轉(zhuǎn)向信號(hào)，計(jì)算出電動(dòng)機(jī)的對(duì)應(yīng)的轉(zhuǎn)速，對(duì)電動(dòng)機(jī)轉(zhuǎn)速進(jìn)行控制，電動(dòng)機(jī)驅(qū)動(dòng)油泵,控制電動(dòng)機(jī)轉(zhuǎn)速從而控制油泵的泵油量，改變助力的大小。文中一開始闡述了電控液壓動(dòng)力轉(zhuǎn)向系統(tǒng)設(shè)計(jì)的目的和意義、發(fā)展?fàn)顩r以及應(yīng)用前景。接著分析論述了總體設(shè)計(jì)方案
2、，進(jìn)行了液壓動(dòng)力系統(tǒng)、機(jī)械轉(zhuǎn)向器等主要部件的方案分析和選擇。關(guān)鍵詞:動(dòng)力轉(zhuǎn)向；液壓動(dòng)力轉(zhuǎn)向；助力轉(zhuǎn)向；可變助力特性；電控液壓動(dòng)力轉(zhuǎn)向；II黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì)ABSTRACTElectronicallycontrolledhydraulicpowersteeringsystem(EPHS)tosolvethecarandlightsensitivityofthecontradictionssothatthedriverinthecaratlowspeedonalargerpower,high-speedmovementswerestrongsens
3、eofdirection.Themaindesigncompletedelectronicallycontrolledhydraulicpowersteeringsystemofhydraulicandmechanicalpartsofthedesignation.Inthisdesignation,speedsignalsandZhuanxiangPanangularvelocitysignalareintroducedtothehydraulicsteeringsystem.Accordingtothedetectedspeedsignalandthe
4、cornersignalofZhuanxiangPan,electroniccontrolunitsdetectspeedsignalsandthecornersignalofZhuanxiangPanbythespeedsensortypeofassistance,andthencalculatethecorrespondingrotationalofmotor,andcontroltherotationalspeedofmotor,thencontroltheoilflowofpump,inordertomeettherequirementstolig
5、httherequirementsofhandlingandstability.Whenexpoundedthestartofahydraulicpowersteeringelectroniccontrolsystemdesignthepurposeandsignificanceofthedevelopmentsituationandprospects.Andthenanalysisandchoiceitshydraulicpowersystems,mechanicalsteeringgearandothermajorcomponentsoftheprog
6、ramme.Keyword:PowerSteering;HydraulicPowerSteering;AuxiliaryForce;VariablePowerCharacteristics;ElectronicallyControlledHydraulicPowersteeringII黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì)目 錄摘要IABSTRACTII第1章緒論11.1研究本課題的目的和意義11.2汽車轉(zhuǎn)向技術(shù)現(xiàn)狀與發(fā)展趨勢11.2.1機(jī)械轉(zhuǎn)向系統(tǒng)11.2.2液壓動(dòng)力轉(zhuǎn)向系統(tǒng)21.2.3電控液壓動(dòng)力轉(zhuǎn)向系統(tǒng)21.2.4電動(dòng)助力轉(zhuǎn)向系統(tǒng)21.2.5線控轉(zhuǎn)向系統(tǒng)31
7、.3汽車電控液壓動(dòng)力轉(zhuǎn)向系統(tǒng)組成、31.4汽車電子控制轉(zhuǎn)向技術(shù)的發(fā)展概況與前景41.4.1電子控制動(dòng)力轉(zhuǎn)向系統(tǒng)的發(fā)展概況41.4.2電子控制動(dòng)力轉(zhuǎn)向系統(tǒng)的發(fā)展趨勢61.5本次設(shè)計(jì)的主要內(nèi)容7第2章動(dòng)力轉(zhuǎn)向系統(tǒng)的設(shè)計(jì)方案分析82.1動(dòng)力轉(zhuǎn)向系統(tǒng)82.2液壓動(dòng)力轉(zhuǎn)向系統(tǒng)82.3電控動(dòng)力轉(zhuǎn)向系統(tǒng)112.3.1液壓式電子控制動(dòng)力轉(zhuǎn)向系統(tǒng)122.3.2電動(dòng)式電子控制動(dòng)力轉(zhuǎn)向系統(tǒng)122.4動(dòng)力轉(zhuǎn)向系統(tǒng)設(shè)計(jì)方案分析122.5本章小結(jié)14第3章液壓動(dòng)力系統(tǒng)的設(shè)計(jì)153.1動(dòng)力缸的類型及安裝方式153.2動(dòng)力缸的主要零件的結(jié)構(gòu)和材料153.3動(dòng)力缸的密封裝置16黑龍江工程學(xué)
8、院本科生畢業(yè)設(shè)計(jì)3.4動(dòng)力缸的緩沖裝置163.5動(dòng)力缸的設(shè)計(jì)計(jì)算1
