现代超声速战斗机横航向模态特性计算  

The calculation of the modern fighter's directional-lateral mode characteristics

作　　者：董彦非[1] 李嘉林[1] 

机构地区：[1]空军工程大学工程学院,陕西西安710038

出　　处：《飞行力学》2000年第4期33-36,53,共5页Flight Dynamics

摘　　要：首先推导了适用于某第三代超声速战斗机横航向运动方程和传递函数。然后对三种等效系统方法进行了对比分析 ,选用了效果较好的方法 ,并验证了计算模型。最后 ,对某战斗机的横航向模态特性进行了计算。结果表明 ,推导的模型正确 ,控制系统对某战斗机横航向飞行品质的改善作用明显。Firstly,the directional lateral motion equations and transfer functions suited for the certain third generation fighter were deduced.Secondly,the best method of the three equivalent system methods was chosen by checking and comparing,and the calculation models were verified before being used.Finally,the fighter's directional lateral flying qualities were caclulated and analyzed.The results show that the models deduced in this paper are correct,and the control system notably improved the figter's directional lateral flying qualities.

关 键 词：横航向飞行品质 模态特性 超声速战斗机 第三代 

分 类 号：V271.41[航空宇航科学与技术—飞行器设计]