




已閱讀5頁,還剩8頁未讀, 繼續(xù)免費(fèi)閱讀
版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡介
*Correspondingauthor.E-mailaddress:tateyamase.ritsumei.ac.jp(K.Tateyama).JournalofTerramechanics43(2006)341353/locate/jterraJournalofTerramechanics0022-4898/$20.00C2112005ISTVS.PublishedbyElsevierLtd.Allrightsreserved.AbstractGeomechatronicsisatechnicalfieldinwhichGeotechniquesisfusedwithMecha-tronicsthatisthetechnicalfieldtopromotetheautomaticcontrolofmachinesbyusingtheelectronics.InthefieldofGeomechatronics,aconstructionmachine,whichtreatsgeo-technicalmaterialssuchassoilandrock,automaticallyevaluatesthepropertiesandcondi-tionsofthegroundanddeterminestheoptimumcontrollingmethodofitselfforthegroundwiththebaseofthemachinegroundinteraction.Someresearchesforpracticaluseinthefieldofgeomechatronicsareintroduced,andthentheprogressingviewofthisresearchandtechnicalfiledisexplainedinthispaper.C2112005ISTVS.PublishedbyElsevierLtd.Allrightsreserved.Keywords:Geomechatronics;Constructionrobotics;Soilmachineinteraction;Groundevaluation;MachinecontrolGeomechatronicsInteractionbetweengroundandconstructionmachineryanditsapplicationtoconstructionroboticsK.Tateyamaa,*,S.Ashidaa,R.Fukagawaa,H.TakahashibaCollegeofScienceandEngineering,RitsumeikanUniversity,1-1-1,Nozi-higashi,Kusatsu,Shiga525-8577,JapanbDepartmentofEnvironmentalStudies,TohokuUniversity,6-6-20,Aoba,Aramaki,Aoba,Sendai980-8579,JapanReceived29September2004;receivedinrevisedform7April2005;accepted16May2005Availableonline27October2005doi:10.1016/j.jterra.2005.05.008andtheconstructionprocessinDJMmethod,respectively.Mixingbladesattachedtoasquaresteelpipearerotatedontheaxisofthepipeandaredrivenintothe342K.Tateyamaetal./JournalofTerramechanics43(2006)341353ground.Afterthebladesreachafirmsoillayer,theyarepulledoutoftheground.Achemicalagentisthensentdownthroughthepipewithhighlycompressedairandisinjectedintothesoftsoilduringeithertherotatingpenetrationintoortherotatingpulloutoftheground.Theinjectedagentismixedwiththesoftsoilandachemicalreactionbetweentheagentandthewaterinthegroundcreatesfirmcol-umnsintheground.Thismethodisoftenusednotonlyinsoilstabilization,butalsointheconstructionofvariousstructuralfoundations.IntheDJMmethod,itisrequiredtodevelopthesysteminwhichthemachinecontrolandtheamountofthechemicalagentareoptimizedaccordingtothegroundconditionsinordertocreateuniformimprovedcolumns,eectively.InthefieldofGeomechatronics,theauthorssuggestthesysteminwhichthegroundconditionsareevaluatedinrealtimeduringtheconstructionandtheresultiseectivelyappliedtothemachinecontrolortheoptimizationoftheconstruction.2.2.GroundevaluationinDJMmethodIntheDJMmethod,thegroundpropertycanbeevaluatedinreal-timefromthe1.IntroductionOperatorsofconstructionmachineswhichtreatgeotechnicalmaterialssuchassoil,gravel,rockandsoonastheirworkingobjects,generallyevaluatethegroundcondi-tionsanddeterminethemostsuitableoperatingmethodforthegroundconditions.Whenconstructionrobotsdothesamejobinconstructionfields,theyshouldhaveafunctiontoevaluatethegroundconditionsandthendeterminethebestmethodforcon-trollingthemselvesaccordingtothegroundconditions.Theevaluationofgroundcon-ditionsandtheapplicationoftheirresultstothecontrolofthemachinesareexpectedtobecomethemostimportantfunctionsthatconstructionrobotspossessinthefuture.TheauthorssuggestthetechnicalfieldGeomechatronics,inwhichGeotech-niquesisfusedwithMechatronicsthatisthetechnicalfieldtopromotetheauto-maticcontrolofmachinesusingelectronics.Inthefieldofgeomechatronics,theconstructionmachinesautomaticallyevaluatethepropertiesandconditionsofthegroundanddeterminetheoptimumcontrollingmethodofthemselvesforthegroundwiththebaseofthemachinegroundinteraction.Someresearchesforpracticaluseinthefieldofgeomechatronicsareintroducedinthispaper.2.GeomechatronicsinDJMmethod2.1.DryjetmixingmethodDryjetmixing(DJM)methodisarepresentativemethodusedtoimprovedeepsoftsoilinconstructionsites.Figs.1and2showthestructuresofthemachinemeasureddataofthemachineloadandthecontrollingparametersofthemachine.K.Tateyamaetal./JournalofTerramechanics43(2006)341353343Theformeristhemixingtorqueandthepenetratingresistancewhichactonthemix-ingblade,andthelatteristhepenetratingandmixingspeedoftheblade.Tocom-pletethegroundevaluatingsystem,therelationofthegroundtothemachineloadFig.1.MachineandconstructioninDJMmethod.Fig.2.ConstructionprocessinDJMmethod.andtheeectofthecontrollingparameterstotherelationmustbeunderstood.Therearetwoapproachescommonlyusedforthissubject.Inthefirstapproach,fuzzyreasoningisappliedtotheevaluationprocessinordertotreatthevariousobscuritiesbothinthegroundandintheinteractionbetweenthemachineandtheground1.Inthesecondapproach,atheoreticaldiscussioniscarriedoutwiththesoilcuttingtheorytostudytherelationshipbetweenthesoilpropertiesandthemix-ingtorque2.Inthispaper,thelattermethodwasexplained,wherethegroundpropertycantheoreticallybeevaluatedfromthemixingtorqueTandthepenetrat-ingspeedv.2.3.Soilcuttingwithablade344K.Tateyamaetal./JournalofTerramechanics43(2006)341353Fig.3givesasketchofthecuttingbladewhichcutsthesoilintheground.Hata3suggestedanempiricalrelationforthehorizontalcomponentofcuttingresistanceHa(N)bythefollowing:Ha1:82C1BC1t2C1RS10C0maBC1bC1tC1dtdxtand;1whereBisthewidthoftheblade(m),tistheheightoftheblade(m),xisthehor-izontalmovingdistanceoftheblade(m),RSisthespecificcuttingresistance(N/m3),aistherakeangleoftheblade(rad),bisthecoecientofthepenetratingresistance(N/m2),disthefrictionanglebetweensoilandblade(rad),mistheconstantdepend-ingonthesoilproperty.Thefirsttermintherightsideexpressesthecuttingresistanceactingonthebladewhenitcutsthesoilhorizontally,andthesecondtermistheresistanceactingonthetipofthebladewhenitpenetratesintotheground.ThespecificcuttingresistanceRSinEq.(1)expressesthest
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲(chǔ)空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 千之家加盟合同范本
- 產(chǎn)品樣品合同范本
- 出租家電合同范本
- 兄弟廚房員工合同范本
- 養(yǎng)殖生豬購銷合同范本
- 全保潔包合同范本
- 各公司合同范本
- 合作商家供貨合同范本
- 合作轉(zhuǎn)讓股權(quán)合同范本
- 印刷技術(shù)咨詢合同范本
- 2024年河北石家莊同濟(jì)醫(yī)學(xué)中等專業(yè)學(xué)校招聘教師考試真題
- 2025年河南工業(yè)職業(yè)技術(shù)學(xué)院單招職業(yè)技能測試題庫審定版
- 施工現(xiàn)場應(yīng)對極端天氣的措施
- 江蘇2025年01月江蘇省揚(yáng)州生態(tài)科技新城管委會(huì)2025年招考6名勞務(wù)派遣人員筆試歷年典型考題(歷年真題考點(diǎn))解題思路附帶答案詳解
- 2025年內(nèi)蒙古呼倫貝爾農(nóng)墾拉布大林上庫力三河蘇沁農(nóng)牧場招聘115人歷年高頻重點(diǎn)模擬試卷提升(共500題附帶答案詳解)
- 中學(xué)創(chuàng)客教育教學(xué)活動(dòng)計(jì)劃
- 《移動(dòng)通信市場推廣策略》課件
- 2024年湖南工業(yè)職業(yè)技術(shù)學(xué)院高職單招職業(yè)技能測驗(yàn)歷年參考題庫(頻考版)含答案解析
- 2025年四川成都職業(yè)技術(shù)學(xué)院招聘筆試參考題庫含答案解析
- 2025年國家藥品監(jiān)督管理局藥品審評中心招聘11人歷年高頻重點(diǎn)提升(共500題)附帶答案詳解
- 2024年廣東省《輔警招聘考試必刷500題》考試題庫含必背答案
評論
0/150
提交評論