但调查人员发现，这起事故有可能是一个严重的非对称推力（具体指两台发动机推力不同）问题造成了左滚，导致飞机失去控制。
The investigators found that the circumstances of this accident indicate that a severe asymmetric thrust condition caused a left roll that led to loss of control of the airplane.
采用QFT理论设计了某型飞机的纵向着陆控制律，并应用了推力综合控制稳定飞机下滑时的速度。
In this paper a longitudinal robust automatic landing control law was designed by QFT approach combine with thrust controls.
常规线性飞控系统针对推力矢量飞机这样的多控制冗余、非线性MIMO系统，无法实现非线性控制。
Conventional linear flight control systems do not satisfy nonlinear control requirement of aircraft with thrust vector, which is a multiple control redundances and nonlinear MIMO system.
仿真结果表明，该控制律能控制推力矢量飞机顺利完成过失速机动，对系统模型的不确定性具有较强的鲁棒性。
The results show that the control law can control vectored aircraft to accomplish post-stall maneuvers very well and it is very robust to model uncertainty.
仿真结果表明，该控制律能控制推力矢量飞机顺利完成过失速机动，对系统模型的不确定性具有较强的鲁棒性。
The results show that the control law can control vectored aircraft to accomplish post-stall maneuvers very well and it is very robust to model uncertainty.
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