通用高超声速飞行器纵向模型为研究对象，并针对线性化模型，分别采用极点配置、LQR以及 三种方法设计控制器以改善系统的性能。(The general hypersonic vehicle longitudinal model is the research object. Aiming at the linearized model, pole placement, LQR and three methods are used to design the controller to improve the performance of the system.)