Control of static unstable airframes

来源 :系统工程与电子技术(英文版) | 被引量 : 0次 | 上传用户:xbmkdx
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The challenge and control problems of static unstable missiles are presented. The steady-state benefits of static instability are illustrated, while the corresponding control challenge is described both by the characteristic lag of airframe and the increment of necessary control usage. Control limitation led by unstable zero-pole pair is analyzed for preliminary design and evaluation.Linear control strategy is examined wherein two and three loop acceleration autopilots with different control usages are developed using an optimal control approach combined with frequency domain constraint. The weights selection and relation with system performance are detailed. Then the nonlinear backstepping recursive method is detailed to determine how well it is able to follow command and its engineering feasibility. The results show that a static unstable missile is controllable, while the actuator bandwidth is the crucial limited factor. There should be a compromise between overall performance and actuator payment.
其他文献
为了满足医疗消费市场中人们特殊形式的付款方式,我院采用医疗消费卡的形式进行医疗服务的结算,并取得了一定效果。1医疗消费卡产生的背景1.1病人的需求 In order to meet t
[目的]为动物肠球菌感染机制的研究提供理论依据.[方法]采用常规细菌分离方法从不同动物的肛拭样品中分离肠球菌,利用基于肠球菌保守tuf基因的PCR方法对其进行鉴定,同时采用K
科技进步、产业结构、能源效率之闻存在着相互影响的关系.文章对大连市的能源生产结构转换、能源消费方式转轨等进行了阐述,并从能耗率与科技进步、产业结构的关系角度,应用
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
On the basis of the velocity field results of horizontal crustal movement obtained from GPS measurements during the periods of 1993~1999, 1999~2001 and 2001~2003 i
The influence of different concentrations of copper solvent extractant ZJ 988 on the growth and activity of acidophilic microorganisms was studied and the micro
Carbothermal reduction was performed at temperatures up to 1600℃ for vanadium-bearing titanomagnetite, ilmenite concentrate, and high titania slag. The possibi
The microstrueturai features and grain refinement in the coarse-grained region of the heat-affected zone in low-carbon high-strength micro,alloyed steels were i
A series of seven novel lanthanide(Ⅲ) nitrato complexes with 4-[N-(2-methoxybenzylimine)formyl]l-2, 3-dimethyl-1-phenyl-3-pyazolin-5-one (2mbfa), were synthesi
The quality changes of shallow groundwater from karst hilly areas in Guiyang region of China impacted by the urbanization were investigated. The results show th