工程机械动态仿真智慧树知到答案章节测试2023年长安大学

绪论单元测试HowmanyapplicationsinCAEdomains?

A:Three

B:Four

C:Five

D:Two

答案:AWhat’sthekeypointthatanyenterprisesmustfaceandsolve?

A:howtoachievesuchamultidisciplinaryintegrationoftherapiddevelopmentofproducts

B:howtoreducecosts

C:otheraspects

D:howtoimprovetheeffectiveutilizationofequipment

答案:AContemporaryconstructionmachineryisakindofproductthatintegratesdisciplinesinmanyfieldssuchas

A:machinery

B:automation

C:powerdrive

D:computervision

E:unmannednavigation

答案:ABCDECommonlyknownsimulationtechniquesinclude

A:CAE

B:CAD

C:VisualStudio

D:CAM

答案:ABDwecanconcludethattheintegrationofmultipledisciplinesisthemainstreammarketdemandsofcurrentandfutureconstructionmachinerydesign.

A:对

B:错

答案:A第一章测试Whatisthefirststepinkinematicanalysis

A:accelerationanalysis

B:determinetherespectivevelocitiesofthebodies

C:velocityanalysis

D:alltherequireddisplacementvariablesaredetermined

答案:DBasedontheseFEMS,thereare___choicesintheAdamsanalysistodefinethecontactbehaviorofthegearpair.

A:three

B:one

C:four

D:two

答案:AWhatmodulesareincludedinthemechanicalsubsystem？

A:Beltmodule

B:Chainsmodule

C:Cablemodule

D:Bearingmodule

答案:ABCDIndynamicanalysis,weareconcernedonlywithmotion.

A:对

B:错

答案:BTheanalysisofplanarsystemscanbeconsideredasaspecialcaseofspatialanalysis.

A:错

B:对

答案:B第二章测试AbouttheadvantagesofFEA，choosetherightoptions.

A:AbouttheadvantagesofFEA，choosetherightoptions.

B:Createmorereliableandhigh-qualitydesigns.

C:Savecostsandreducethecostofdesign,manufacturing,anddevelopment.

D:Simulationdesignnotsuitablefortestingonprototypes.

答案:ABCDWhenwedoPre-Processing,whatdoweneedtoconsider?

A:Materials

B:Geometry

C:BoundaryConditions

D:Mesh

答案:ABCDFEAisanumericalmethod

forsolvingproblemsofengineeringandmathematicalphysics.

A:错

B:对

答案:BFEAcan’tdostaticsanalysis.

A:对

B:错

答案:BFEMisonlyonenumericalmethod.

A:错

B:对

答案:A第三章测试WhatlanguagefileisusedtodescribethevirtualsceneinMATLABsimulationof3Danimation？

A:CascadingStyleSheets(CSS)

B:virtualrealitymodelinglanguage(VRML)

C:HyperTextMarkedLanguage(HTML)

D:Java

答案:BWhatisthedefinitionofsimulationinthispaper？

A:representationofdata

B:productionofdata

C:definitionofdata

D:shapeofdata

答案:BAccordingtothispaper,tomakethevirtualscenemorerealistic,wecanchangethecolor,material，

andtextureofobjectsinthescene,whichneedtobecarriedoutseveralsteps？

A:five

B:six

C:three

D:four

答案:CUsingvisualizationtechnology,wecantransformcomplexinformationinto

A:graph

B:3Danimation

C:2Ddrawing

D:high-qualitypicture

答案:ABCDWhatisthemodelingmethodusingMATLAB？

A:SolidWorks

B:TheMATLABscriptfile(s)

C:Simulink

D:3Dmax

答案:BC第四章测试Whatisthemostcommonlyusedcameraimagingmodel?

A:Pillowdistortionmodel

B:C-armimagingmodel

C:Projectionmodel

D:pinholemodel

答案:DWhatdoesthedetectionofroaddiseasesmainlydependonbymanualvisualobservation?

A:Instrumentprice

B:weatherconditions

C:theexperienceofinspectors

D:thecomplexityoftheenvironment

答案:CThefunctionofUAVintheimagedetectionmethodofroaddiseaseis

A:topreservethepavementareaandremovethenon-pavementareaintheimage

B:analyzethetrafficflowontheroad

C:Calculateroadlength

D:tocarryimagingequipmenttocollectroadimages

答案:DWhatarethestepsinthecalibrationprocess？

A:nonlinearoptimization

B:sharpfocusing

C:initialization

D:picture

analysis

答案:ACWhatdothespatialdomain-basedmethodsinclude?

A:pixel-basedmethods

B:Focusbasedmethods

C:region-basedmethods

D:Imagebasedmethods

答案:AC第五章测试Howmanystepsintheordinarydesignflow()？

A:Threesteps

B:Foursteps

C:Twosteps

D:Fivesteps

答案:DThekeyfactorsinthesimulationpartare()?

A:theaccuracyoftheequations

B:thepriceofcontrollers

C:virtualmodel

D:thespeedofthesolver

答案:ADWhichistheembeddedsystemorcontrollerinthedefinitionofHIL？

A:ustomizedmicrocontrollersystem

B:PAC

C:PLC

D:constructionmachinery

答案:ABCWithHILsimulation,errorscanbefoundearlyonandsolvedearlyon.HILsimulationisthereforeaneffectivetechniquetoreducethecommissioningtime.

A:错

B:对

答案:BHILsimulationcanbearealmoneysaverwhentestingexpensivemachinery.

A:对

B:错

答案:A第六章测试Whichistheformulaofcoordinaterotation？

A:

B:

C:

D:

答案:AInthePIDcontroller,theroleoftheProportionalcontrolisto____.

A:reducetheovershootandadjustmenttime

B:improvethedynamicperformanceofthesystem

C:reflectthedeviationsignalgivenbythecontrolsystemproportionally

D:eliminatesteady-stateerrors

答案:CPIDcontrollerisoneoftherepresentativemethodsinclassicalcontroltheorywhichincludescontroller,ac