基于面向控制模型及优化轨迹的飞行器性能优化研究

The conventional flight vehicles design incorporates three important parts: shape design, control-oriented modeling, and trajectory planning. More specifically, the problem of strongly coupled iterative property has become a challenge for hypersonic flight vehicles design. This project will investigate three problems. Those include the intrinsic relationship between flight vehicles’ configuration and control-oriented model, the effect of coupling factors induced by control-oriented model acting on the trajectory performance, and the optimization of configuration and payloads. In this project, the intrinsic relationship between flight vehicles’ configuration and control-oriented model is the key issue to be addressed. The acquirement of the relationship between shape parameters and model parameters in mathematics, can transform the optimization problem of vehicles shape into the optimization problem of model parameters. On the other hand, the solution of the effect of coupling factors induced by control-oriented model acting on the trajectory performance, is helpful to analyze the relationship between model coupled parameters and flight trajectories, and the relationship between flight trajectories and vehicles’ configuration further. Based on this, the performance of flight vehicles performance can be comprehensively analyzed. This can significantly optimize some key issues such as payloads of the flight vehicles.

飞行器外形设计、面向控制建模以及轨迹设计是传统飞行器设计中必不可少的重要组成部分，而对于高超声速飞行器来说，其设计过程中的强烈耦合迭代性质使飞行器设计工作极具挑战。本项目涉及三个方面的研究内容，包括飞行器外形与面向控制模型的内在关系研究、面向控制模型的耦合因素对轨迹性能的影响研究以及飞行器外形及有效载荷的优化研究等。其中，飞行器外形与面向控制模型的内在关系是核心与基础，获得外形参数与数学意义上的模型参数之间的函数对应关系，可将飞行器的外形优化转化为研究飞行器面向控制模型参数优化问题；而研究面向控制模型的耦合因素对轨迹性能的影响将明晰模型耦合参数与飞行轨迹的互相影响规律，进而明晰飞行轨迹与飞行器外形之间的对应关系；然后综合分析飞行器性能，将使飞行器有效载荷等关键因素得到明显优化。

课题组遵循了申请书的研究计划，开展课题申请书的研究计划中所设定的研究工作。主要工作涉及1)飞行器外形与面向控制模型的内在关系研究；2) 面向控制模型的耦合因素对轨迹性能的影响研究；3) 飞行器外形及有效载荷的优化研究等。课题组获得专利授权：4项；获得专利授理8项；(部分专利已进行了实际应用)；发表论文19篇；主办或协办会议3个，对于课题成果的产出、应用及推广提供了即可靠又广阔的空间 。