節(jié)能型電動(dòng)自行車設(shè)計(jì)畢業(yè)論文.doc

徐州工程學(xué)院畢業(yè)設(shè)計(jì)(論文)I圖書分類號(hào)：密級(jí)：徐州工程學(xué)院畢業(yè)設(shè)計(jì)(論文)II摘要20世紀(jì)汽車產(chǎn)業(yè)高速發(fā)展，資源無節(jié)制消耗，污染物的過量排放，還有受油價(jià)上漲和環(huán)保意識(shí)等因素的影響，電動(dòng)自行車已成為大部分人的選擇。但是，電動(dòng)自行車的動(dòng)力性能由驅(qū)動(dòng)系統(tǒng)決定且續(xù)駛里程（即能量供給）受限于蓄電池的存儲(chǔ)電量，為提高動(dòng)力性能和續(xù)駛里程，須對(duì)電動(dòng)自行車驅(qū)動(dòng)電機(jī)的特性及能量回收控制策略進(jìn)行分析研究。本文研究了電動(dòng)自行車在制動(dòng)過程中的能量回饋，設(shè)計(jì)了永磁無刷直流電動(dòng)機(jī)在電動(dòng)自行車制動(dòng)過程中的能量再生反饋控制系統(tǒng)。從理論上分析了永磁無刷直流電動(dòng)機(jī)利用位置傳感器檢測轉(zhuǎn)子位置的方法,并對(duì)換相過程做較詳細(xì)的介紹。本文首先系統(tǒng)的對(duì)電動(dòng)自行車的運(yùn)行狀態(tài)進(jìn)行了分析，分別對(duì)電動(dòng)自行車的運(yùn)行阻力、慣性力、再生制動(dòng)力以及所需要的牽引力進(jìn)行了計(jì)算。根據(jù)所需要的牽引力，在本設(shè)計(jì)中也對(duì)無刷直流電動(dòng)機(jī)和電池進(jìn)行了選型計(jì)算。再其次，本文對(duì)電動(dòng)自行車的能量反饋控制方案進(jìn)行了研究，內(nèi)容包括輪轂電機(jī)的調(diào)速、電動(dòng)車再生制動(dòng)的控制。本文著重研究并設(shè)計(jì)了永磁無刷直流輪轂電機(jī)的能量的回收。最后從能量再生制動(dòng)的約束條件分析，提出了一種改進(jìn)方案。該方案是通過并聯(lián)超大容量電容器實(shí)現(xiàn)控制，控制簡便。使電動(dòng)自行車的再生制動(dòng)回收的能量有所增加，一次充電的續(xù)行距離得到提高。關(guān)鍵詞：電動(dòng)自行車；動(dòng)力性能；再生制動(dòng)；電機(jī)控制；大容量電容器徐州工程學(xué)院畢業(yè)設(shè)計(jì)(論文)IIIAbstractAutomobileindustrieshavedevelopmentofhighspeedin20century.However,Dynamicalperformancesofelectricvehiclearedecidedbydrivesystemsandextensionofdrivingrange(energysupply)restrictsdevelopment,prevalenceandislimittoelectricitycapacityofstoragebattery.Inordertoimprovedynamicalperformancesandextensionofdrivingrange,wemustanalyzeandresearchtraitsofdrivemotorandcontroltacticofenergyrecycleinelectricvehicle.Inthispaper,theelectricbikeinthebrakingenergyintheprocessoffeedback,thedesignofthepermanentmagnetbrushlessDCmotorintheelectricbicyclebrakerenewableenergyintheprocessoffeedbackcontrolsystem.IntheoryanalysisoftheuseofpermanentmagnetbrushlessDCmotorpositionrotorpositionsensordetectionmethod,andfortheprocessofdoingamoredetailedbriefing.Firstly,thepaperanalyzesthecomposingofin-wheelmotorindetail.Secondly,Itssubsystemofcarriedonanalysistothemovementappearanceofthedynamoelectricbicycle,tothemovementresistance,inertialdint,brakingforceandneedofleddinttocarryonacalculation.Accordingtoneedofleaddint,inthisdesignalsotodoPMBLDCMandbatterytocarryontochooseacalculation.Thirdly,thepaperpresentsresearchworkonEBEnergyfeedbackcontrolstrategy,whichinvolvesin-wheelmotorPWMmodulation,TheregenerativebrakingofEBclose-loopcontrol.ThedualpolardrivingmethodforpermanentmagnetbrushlessDCin-wheelmotorisemphasized.ThisproposedmethodcouldmakethemaneuverabilityandresponseofEBbetter.InthiscontrolstrategytheenergyfeedbackshouldbeenimprovedandthemovingdistanceofElectricbicyclealsobeenimproved.KeywordsPermanentMagnetBrushlessDCMotor(PMBLDCM)EnergyfeedbackMotorcontrolregenerativebrakingbrakingdistanceLargeCapacitanceCapacitor徐州工程學(xué)院畢業(yè)設(shè)計(jì)(論文)IV目錄1緒論.11.1課題來源，目的，意義與該課題的市場前景.11.2有關(guān)電動(dòng)自行車的概念.11.2.1什么是電動(dòng)自行車.11.2.2電動(dòng)自行車的種類.11.2.3電機(jī).11.2.4電池.21.2.5控制器.31.3電動(dòng)自行車整車參數(shù)的設(shè)計(jì).31.4設(shè)計(jì)任務(wù).31.5研究意義.42電動(dòng)自行車動(dòng)力性能分析.52.1電動(dòng)車運(yùn)行方程.52.2電動(dòng)自行車的行駛力學(xué).52.2.1車輛模型.62.2.2電動(dòng)車阻力計(jì)算.72.2.3空氣阻力.72.2.4電動(dòng)車慣性力的計(jì)算.82.2.5電動(dòng)車的牽引力計(jì)算.92.3電動(dòng)自行車的動(dòng)力性能.102.3.1自行車基本參數(shù)介紹.112.4制動(dòng)系統(tǒng).112.4.1電動(dòng)自行車剎車分類.112.4.2制動(dòng)力的分析與求解.1