Aerospace vehicle control performance enhancement design method under multi-constraint condition

The invention discloses an aerospace vehicle control performance enhancement design method under a multi-constraint condition, and the method comprises the following steps: constructing a complex dynamic model in a wide-domain range for different speed domain climbing tasks of an aerospace vehicle, and obtaining a control-oriented design model of the aerospace vehicle through a model sensitivity analysis and parameter identification method; the method comprises the following steps: carrying out regional division on a climbing section of an aerospace vehicle, designing control laws of different climbing regions of the aircraft, constructing a self-adaptive setting algorithm of control parameters by adopting a protection mapping theory, and resolving a closed-loop stable boundary under an uncertain condition; and determining an accurate mapping relationship between model parameters and a closed-loop performance reachable boundary, enhancing the control performance of the aerospace vehicle in a climbing section,