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一种姿控发动机推力优化方法.docx

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一种姿控发动机推力优化方法 Abstract Inthispaper,athrustoptimizationmethodforattitudecontrolenginesisproposed.Themethodaimstoimprovetheefficiencyoftheattitudecontrolsystembyoptimizingthethrustoftheenginesduringspacecraftmaneuvers.Thethrustoptimizationmethodisbasedontheoptimizationofthethrustmagnitudeanddirection,takingintoaccountthedynamicsandconstraintsofthespacecraft,aswellastheperformanceoftheengine.Themethodistestedonasimulatedspacecraftmission,andtheresultsdemonstratesignificantimprovementsintheefficiencyandaccuracyoftheattitudecontrolsystem. Introduction Attitudecontrolisacriticalaspectofspacecraftoperations,asitensuresthatthespacecraftisorientedcorrectlyandpointingtowardsitsdesiredtarget.Attitudecontrolisachievedthroughtheuseofattitudecontrolengines,whichprovidethrusttothespacecraft.Theefficacyoftheattitudecontrolsystemisdependentontheperformanceoftheattitudecontrolengines,whichisdeterminedbythethrustmagnitudeanddirectionoftheengines. Theoptimizationofthethrustofattitudecontrolenginesisanimportantconsiderationinspacecraftoperations.Thrustoptimizationcanimprovetheefficiencyandaccuracyoftheattitudecontrolsystem,whichiscriticalformanyspacecraftmissions,suchasremotesensingandsurveying,satelliteformationflying,andspaceexploration. Inthispaper,weproposeathrustoptimizationmethodforattitudecontrolengines,whichaimstoimprovetheefficiencyandaccuracyoftheattitudecontrolsystembyoptimizingthethrustmagnitudeanddirectionoftheengines. ThrustOptimizationMethodology Thethrustoptimizationmethodproposedinthispaperisdesignedtooptimizethethrustmagnitudeanddirectionoftheattitudecontrolenginesduringspacecraftmaneuvers.Theoptimizationisperformedbytakingintoaccountthedynamicsandconstraintsofthespacecraft,aswellastheperformanceoftheengine. Theoptimizationmethodologyisbasedonaniterativeoptimizationalgorithm,whichusesacostfunctiontoevaluatetheperformanceoftheattitudecontrolsystem.Thecostfunctionisdefinedbasedonthedesiredmaneuverandtheperformancecriteriaoftheattitudecontrolsystem. Theoptimizationalgorit