简介:3Dprintingisdisruptingthedesignandmanufactureofelectronicproducts.3Dprintingelectronicsoffersgreatpotentialtobuildcomplexobjectwithmultiplefunctionalities.Particularly,ithasshowntheuniqueabilitytomakeembeddedelectronics,3Dstructuralelectronics,conformalelectronics,stretchableelectronics,etc.3Dprintingelectronicshasbeenconsideredasthenextfrontierinadditivemanufacturingandprintedelectronics.Overthepastfiveyears,alargenumberofstudiesandeffortsregarding3Dprintingelectronicshavebeencarriedoutbybothacademiaandindustries.Inthispaper,acomprehensivereviewofrecentadvancesandsignificantachievementsin3Dprintingelectronicsisprovided.Furthermore,theprospects,challengesandtrendsof3Dprintingelectronicsarediscussed.Finally,somepromisingsolutionsforproducingelectronicswith3Dprintingarepresented.
简介:Inthispaper,buildingtogrid(B2G)andvehicletogrid(V2G)havebeendefinedwithclearandpracticalunderstanding.Bothofthemarenewgenerationtechnologieswhicharetheessentialpartofsmartcitylivingandcrowdenergyclustering.Firstly,anin-detailedoverviewhasbeenprovidedwithanintroductiontoB2GandV2Gfollowedbyahistoricaloverviewandtheoreticalanalysisinrespecttosmartcityplanning.Next,areviewisconductedoncurrentandprevioussmartlivingresearch,whichdealswithB2GandV2G.EfficientB2GandV2Gimplementationsinpracticalcasesthenhavebeendiscussed.Lastly,bothofthesetechnicalprospectshavebeenanalyzedincrowdenergydiagram.
简介:Toquicklyobtainaccurate3Ddataofdentalcastmodel,thispaperproposesa3Dreconstructionmethodfordentalcastmodelbasedonstructuredlight.Thismethodcombinesthestructuredlightwiththemotorturntabletoobtainagroupof3Ddataforthedentalcastmodelfrommultipleangles,andautomaticallyregistersthedental3Ddatafrommultipleanglesthroughtheballcalibrationofturntable.Comparedwiththerealdataofthedentalcastmodel,themaximumerrorofthe3Dreconstructionresultsinthispaperis0.115mm.Thereconstructiontimeofthisprocessisabout130s.Theexperimentalresultsshowthatthemethodhashighprecisionandhighscanningspeedforthe3Dreconstructionofthedentalcastmodel.
简介:摘要多功能轨道式自动引导车极大地加速了产业自动化的历程,因而对于RGV动态调度问题的研究和分析一直是业内的焦点话题。本文通过建立相关模型,对动态调度问题加以研究。
简介:摘要RGV是有轨制导车辆,其可以与各种物流系统实现自动连接,对于提升产业自动化起着重要作用。基于此,对于RGV动态调度问题的研究和分析一直是业内的焦点话题。本文通过建立非线性目标规划模型,采用粒子群等算法,对动态调度问题加以分析。