直接力与推力矢量复合控制技术研究

Researsh on the Compound Control of Direct Force and Thrust Vector

关键词:  直接力控制  推力矢量控制  复合控制分配策略

Key words:  Direct force control  Thrust vector control  Compound control allocation strategy

摘要:

随着飞行器控制技术的发展，直接力、推力矢量等控制执行技术在飞行器控制领域得到广泛应用。直接力与推力矢量都具有对飞行器姿态控制效率高、精度好等优点，但推力矢量对姿态控制的响应速度不如直接力响应快，而直接力长时间开启会消耗大量燃料。结合直接力与推力矢量的控制特点，设计了直接力与推力矢量复合控制策略。以某飞行器为研究对象，建立了飞行器的动力学与运动学模型以及直接力与推力矢量模型，提出了直接力/矢量推力复合控制技术的分配策略。经仿真验证表明，复合控制方法及控制分配策略使控制系统具有较快的响应速度和控制精度。

Abstract:

With the development of flight vehicle control technology, executing control technology like direct force control and thrust vector control is widely used in the field of the aircraft controlBoth direct force control and thrust vector control have high efficiency and precision in attitude control of flight vehicleDirect force control enjoys higher response speed than thrust vector control but consumes much more fuel for long time useBased on the characteristics of direct force control and thrust vector control, a the compound control strategy is designedThe dynamic modeling and kinematic modeling of an aircraft have been carried out, and the direct force and thrust vector models have been builtand it designed the compound control allocation strategyAccording to the simulation, flight control systems with compound control method and allocation strategies enjoys higher response speed and control precision.