三轴稳定航天器姿态最优控制方法分析

《三轴稳定航天器姿态最优控制方法分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、-------哈尔滨工业大学工学硕士学位论文costfunctionandmanipulatingthem,weareabletoensureconvergenceoftheseriesandachievesemi-globalasymptoticstability.Inaddition,thistechniquecanovercometheproblemoflarge-control-for-large-initial-statesencounteredbysomeotherpowerseriesexpansionbasedcontrollaws.Tuning

2、theparametersinperturbationtermsalsoenablesustomodulatethesystemtransientperformanceinaflexibleway.Thesynergeticoptimalproblemofanaffinenonlineardynamicsreferringtothedesignofslidingsurfaceinthevariablestructurecontrolisstudiedandthesynergeticoptimalcontrolschemeisproposed.Thenitispr

3、oventohaveoptimalitypropertywithrespecttoameaningfulcostfunctional.Thecontroltechniquecombinestheadvantagesofvariablestructurecontrolandoptimalcontrol.Atthesametime,itavoidsthechatteringphenomenoncausedbydiscontinuityinthevariablestructurecontrolandfulfillsthecontrolmissionofspacecra

4、ftattitudetrackingtime-varyingsignalwithgoodrobustness.KeywordsAttitudecontrol;Optimalcontrol;Pseudospectralmethod;θ-Dmethod;Synergeticoptimalcontrol-III------------哈尔滨工业大学工学硕士学位论文目录摘要....................................................................................................

5、.......................I Abstract.......................................................................................................................II 第1章绪论................................................................................................................1 1.1分析背景及意义

6、...............................................................................................1 1.2姿态控制系统的组成及分类...........................................................................2 1.2.1姿态控制系统分析现状............................................................................4 1.

7、2.2三轴稳定航天器姿态的最优控制分析现状及分析................................7 1.3本文的主要分析内容.......................................................................................9 第2章航天器数学模型与最优控制基础知识......................................................10 2.1引言............................................

8、............