A Power Management Trajectory Design Method for a Powered Reusable Aircraft

Abstract

The invention relates to a trajectory design method for energy management of a powered reusable aircraft, which belongs to the technical field of trajectory design and guidance. The method comprises the following steps: determining the parameters of the re-entry vehicle, establishing a flight dynamics model of the re-entry vehicle; designing the lateral trajectory of the flight of the vehicle; designing the longitudinal trajectory of the flight of the vehicle; determining the angle of attack after deduction according to the remaining voyage, and obtaining the whole process control amount to complete the trajectory design. The present invention is applicable to the energy management landing problem when the energy of the aircraft is not enough to return to the airport. The trajectory design idea of ​​the energy management section is to design the trajectory first, and obtain the change of the state quantity under the condition of known longitudinal and lateral motion, so as to obtain amount of control required. The trajectory design method for the energy management section of the unpowered aircraft is improved, and a trajectory design method for the energy management section of the powered reusable aircraft is obtained.

Description

Technical field [0001] The present invention relates to a dynamic can be repeatedly used in the design of the aircraft energy management trajectory, which belongs to the field of trajectory design and guidance technology. Background technique [0002] Reusual use of the aircraft landing phase to undergo energy management and entry landing, the energy management segment is mainly to adjust the direction and adjustment of energy, so that the aircraft energy reaches the landing conditions and opposing the airport. However, in the return of the return, it may encounter an energy insufficient to return to the airport. At this time, there is a power aircraft can start the engine in air to make up, but the energy management trajectory design method of the complement is still in a vacant state. Inventive content [0003] In order to solve the problems present in the background art, the present invention provides a dynamic force to reuse the design of the aircraft energy management traje...

AI Technical Summary

Problems solved by technology

However, on the way back, there may be a situation where the energy is not enough to return to the airport. At this time, the powered aircraft can start the engine in the air to replenish energy, but the energy management trajectory design method for energy replenishment is still in a blank state.

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