摘要
系统归纳分析了目前用于飞行器轨迹优化的直接数值解法，对直接法的两大步骤：离散变换和非线性规划进行了分类讨论，介绍了直接打靶法、配置法和微分包含法各自的基本原理及优缺点，简述了直接法的应用。
The existing direct numerical methods applied to aircraft trajectories optimization are summarized and analyzed systematically. The main steps of direct method： discretizing transcription and nonlinear programming are categorized and discussed. The elementary approaches, advantages and disadvantages of direct shooting, collocation and differential inclusion are introduced. The application of direct method is presented briefly.
关键词
轨迹优化
最优控制
直接法
trajectory optimization
optimal control
direct method
