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简述推力矢量技术的作用。建立了带三轴推力矢量飞机的起飞滑跑段运动方程。通过数值仿真探讨了推力矢量的偏转大小对起飞性能的影响 ,对不同推力矢量偏转下飞机起飞性能的仿真计算结果进行了分析。仿真结果表明 ,采用直接力控制可以明显提高飞机的起飞性能
Briefly describe the function of thrust vector technology. The equation of motion of take-off-slip section with three-axis thrust vector aircraft is established. The effect of deflection of thrust vector on takeoff performance was discussed by numerical simulation. The simulation results of takeoff performance under different deflection of thrust vector were analyzed. Simulation results show that the use of direct force control can significantly improve the takeoff performance of the aircraft