摘要
针对直接分配算法不具备优化能力的问题,提出了一种基于可达集的多操纵面控制量优化分配的新方法。简要描述了飞行控制中多操纵面的受限控制分配问题,以实际和期望的伪指令偏差最小为优化目标,将二次规划问题转化成空间中多维向量的简单运算,避免了二次规划在整个可达集中进行的复杂搜索。以某型飞机为仿真模型,对新方法与直接分配算法进行了对比仿真验证。仿真结果表明,该方法能使舵面在期望指令所指向的可达边界子集中得到最优的分配,且计算量小,实时性较好。
Due to direct allocation without optimization capability,an optimal method for the solution of the constrained control allocation problem to multi-controls based on the attainable moment set（AMS） of virtual controls is presented.At first,the constrained control allocation about multi-controls in flight control is briefly described.Secondly,at the target of minimizing the deflections between the desired moment and the achievable moment,quadratic programming is converted to vectors＇ calculation in the space of virtual controls,which avoids the complexity of quadratic programming searching on the whole AMS.At last,simulations and validations are compared on the aircraft between the new method and the direct allocation.The results show that new method can not only achieve the best combinations on the boundary subset which is pointed by desired moment,but also calculate effectively.
出处
《飞行力学》
CSCD
北大核心
2009年第2期72-76,共5页
Flight Dynamics
关键词
飞行控制
多操纵面
控制分配
可达集
flight control
multi-control
control allocation
attainable moment set
