本文選題：衛(wèi)星姿態(tài)控制系統(tǒng) + 故障重構(gòu)�。� 參考：《宇航學(xué)報(bào)》2016年04期

【摘要】：對(duì)于衛(wèi)星姿態(tài)控制系統(tǒng),提出一種基于PD型學(xué)習(xí)觀測(cè)器(Learning observer,LO)的系統(tǒng)故障重構(gòu)方法。在P型LO的學(xué)習(xí)算法基礎(chǔ)上引入測(cè)量輸出估計(jì)誤差的微分項(xiàng),設(shè)計(jì)了一種PD型LO,估計(jì)衛(wèi)星姿態(tài)角速度和姿態(tài)角的同時(shí),快速精確重構(gòu)衛(wèi)星執(zhí)行機(jī)構(gòu)故障。給出了所提觀測(cè)器的穩(wěn)定性條件,并基于線(xiàn)性矩陣不等式技術(shù)提出一種系統(tǒng)化PD型LO設(shè)計(jì)方法。進(jìn)一步,將所提PD型LO設(shè)計(jì)擴(kuò)展用于衛(wèi)星姿態(tài)敏感器故障的快速重構(gòu)。最后,將所提方法應(yīng)用于微小衛(wèi)星推力器故障重構(gòu)和陀螺故障重構(gòu),仿真結(jié)果校驗(yàn)了所提方法的有效性。
[Abstract]:For satellite attitude control system, a system fault reconstruction method based on PD learning observer is proposed.Based on the learning algorithm of P-type Lo, a PD type LOA is designed to estimate the satellite attitude angular velocity and attitude angle, and to reconstruct the fault of satellite actuator quickly and accurately.The stability conditions of the proposed observer are given, and a systematic PD type Lo design method based on linear matrix inequality (LMI) technique is proposed.Furthermore, the PD type Lo design is extended to quickly reconstruct the satellite attitude sensor fault.Finally, the proposed method is applied to micro satellite thruster fault reconstruction and gyroscope fault reconstruction. The simulation results verify the effectiveness of the proposed method.
【作者單位】： 哈爾濱工業(yè)大學(xué)衛(wèi)星技術(shù)研究所;深圳航天東方紅海特衛(wèi)星有限公司;小衛(wèi)星技術(shù)國(guó)家地方聯(lián)合工程研究中心;
【基金】：國(guó)家自然科學(xué)基金(61304237)
【分類(lèi)號(hào)】：V448.22

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