Modeling-of-a-Small-Unmanned-Aerial-Vehicle小型无人驾驶器的建模

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1、WorldAcademyofScience,EngineeringandTechnologyInternationalJournalofAerospaceandMechanicalEngineeringVol:9,No:3,2015ModelingofaSmallUnmannedAerialVehicleA.ElsayedAhmed,A.Hafez,A.N.Ouda,H.EldinHusseinAhmed,H.MohamedAbd-ElkaderrdThe3sectionstatesthebasicusedparametersofanyfixedAbstract—Unmannedai

2、rcraftsystems(UAS)areplayingwingUAVwhichareusedintheaircraftmodeling(geometricincreasinglyprominentrolesindefenseprogramsanddefenseparameters,inertia,aerodynamicparameters,andcontrolstrategiesaroundtheworld.Technologyadvancementshaveenabledsurfaces)[4],[5];theseparameterswhichareobtainedfromthed

3、evelopmentofittodomanyexcellentjobsasreconnaissance,NASAlaboratorieswillbeappliedtoanUltrastick-25e(Thor)surveillance,battlefighters,andcommunicationsrelays.SimulatingaUAVtogetthelinearmathematicalmodelofthisSUAV[6]-smallunmannedaerialvehicle(SUAV)dynamicsandanalyzingitsbehavioratthepreflightsta

4、geistooimportantandmoreefficient.[8].thThefirststepintheUAVdesignisthemathematicalmodelingoftheThe4sectionintroducesastandardalgorithmforannonlinearequationsofmotion..Inthispaper,asurveywithaaircraftmodelingandconvertingitfromablackboxintostandardmethodtoobtainthefullnon-linearequationsofmotioni

5、sairframe.Ithas12-statenonlinearequationscalledequationsutilized,andthenthelinearizationoftheequationsaccordingtoaofmotiontodescribethemotionoftheUAV.Beginfromthesteadystateflightcondition(trimming)isderived.Thismodelingkinematics,andthenaddingtheforceandmomenttermstechniqueisappliedtoanUltrasti

6、ck-25efixedwingUAVtoobtainthevaluedlinearlongitudinalandlateralmodels.Attheendthewhichareexpressedinthebodyframe.Theforcesappliedtomodelischeckedbymatchingbetweenthebehaviorofthestatesoftheaircraftarethegravityforces,aerodynamicforces,thenon-linearUAVandtheresultedlinearmodelwithdoubletattheprop

7、ellerforces.Theseforcesarerepresentedinthebodycontrolsurfaces.frame,whichareconvertedtothestabilityframetogettheLift,Drag,andsideforces.ThemomentsandmomentumKeywords—Equationsofmotion,linearization,modeling,non-appliedtothea