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经计算并和常规布局大型飞机对比分析,给出了盒式机翼布局大型飞机的气动特点;然后研究了盒式机翼布局大型飞机本体横航向飞行品质;针对盒式机翼布局本体飞机横航向飞行品质较差的问题,研究了提高盒式机翼布局飞机横航向飞行品质的有效方法。研究结果表明:盒式机翼布局大型飞机具有良好的升阻特性和特殊的横航向气动特性;修改布局参数对提高盒式机翼布局飞机横航向飞行品质是有限的,控制律的设计可以保证其具有满意的横航向飞行品质。
The aerodynamic characteristics of a large aircraft with a box-type wing are given through comparison and analysis with the conventional large-scale aircraft. Then, the flight quality of a large-scale aircraft with a box-type wing is studied. The problem of poor flight quality is studied and an effective method to improve the flight quality of the aircraft with the box-type airfoil is studied. The results show that the large-scale aircraft with box-type wing layout has good lift-drag characteristics and special lateral-direction aerodynamic characteristics. The modification of layout parameters is limited to improve the flight quality of the box-type wing layout, and the control law design can ensure It has satisfactory lateral flight quality.