【摘要】：針對(duì)傾斜轉(zhuǎn)彎(Bank-to-turn,BTT)飛行器俯沖段制導(dǎo)與控制系統(tǒng)設(shè)計(jì)中存在的強(qiáng)耦合、強(qiáng)非線性問題,研究考慮通道耦合因素的制導(dǎo)與控制一體化設(shè)計(jì)方法。首先建立了考慮控制通道間耦合因素的三維制導(dǎo)與控制一體化設(shè)計(jì)模型,在模型中引入不確定性因素,采用連續(xù)非光滑控制理論對(duì)三維塊系統(tǒng)設(shè)計(jì)非光滑擴(kuò)張狀態(tài)觀測(cè)器(Non-smooth extended state observer,NESO)進(jìn)行觀測(cè)補(bǔ)償,然后結(jié)合反步法與塊動(dòng)態(tài)逆方法設(shè)計(jì)可以保證有限時(shí)間收斂的制導(dǎo)與控制一體化算法,并嚴(yán)格證明了帶有擴(kuò)張狀態(tài)觀測(cè)器的級(jí)聯(lián)系統(tǒng)是全局有限時(shí)間穩(wěn)定的。提出的方法適應(yīng)強(qiáng)耦合BTT飛行器存在擾動(dòng)情況下的快時(shí)變控制需求,通過仿真校驗(yàn)該方法可行、有效。
[Abstract]:Aiming at the problem of strong coupling and strong nonlinearity in the design of guidance and control system for subduction section of Bank-to-turn,BTT aircraft, the integrated design method of guidance and control considering channel coupling factor is studied. Firstly, a three-dimensional integrated guidance and control design model considering coupling factors between control channels is established, and uncertainty factors are introduced into the model. The continuous nonsmooth control theory is used to compensate the design of a nonsmooth extended state observer (Non-smooth extended state observer,NESO) for a three-dimensional block system. Then the integrated guidance and control algorithm which can guarantee the finite-time convergence is designed by combining the back-step method and the block dynamic inverse method. It is proved strictly that the cascade system with extended state observer is globally finite-time stable. The proposed method adapts to the requirement of fast time-varying control in the presence of disturbance of the strongly coupled BTT aircraft. The simulation results show that the method is feasible and effective.
【作者單位】： 哈爾濱工業(yè)大學(xué)控制與仿真中心;
【基金】：國(guó)家自然科學(xué)基金(61403096) 中國(guó)博士后科學(xué)基金(2014M551242) 黑龍江省博士后資助經(jīng)費(fèi)(LBH-Z12112) 中央高�；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金(HIT.NSRIF.2014036,HIT.NSRIF.2015036) 重點(diǎn)實(shí)驗(yàn)室開放基金(HIT.KLOF.2013081)
【分類號(hào)】：V448.2
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本文編號(hào)：2455087