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机构地区:[1]西北工业大学航天学院,西安710072 [2]武警工程大学,西安710038
出 处:《固体火箭技术》2013年第4期448-453,共6页Journal of Solid Rocket Technology
摘 要:采用运动学几何分析和拉格朗日动力学方程建模方法,建立了串式联动增程弹翼的运动数学模型,用数值方法进行求解,研究了不同驱动模式下前后翼条的转角和角速度的运动规律,不同翼条运动模式下驱动点速度变化规律,以及结构设计参数变化对机构运动特性的影响。通过基于MSC.ADAMS平台的仿真,验证了计算方法的正确性。研究结果表明,建立的数学模型能够描述串式联动弹翼的运动特性;联动弹翼的前后翼条转动角速度具有相接近的运动特性;结构参数取值对机构运动特性有重要影响。The kinematical model of the range-extension joined wing was formulated with kinematical geometric analysis and Lagrange equation. The motion characteristics of both front and after wings under different driving modes, the driving point velocity variation under different motion patterns of after wing, and the influences of structural design parameters on system motion character- istics were studied based on numerical method. By checking the results of the MSC. ADAMS simulation with the mathematics model, it shows the mathematics model is obviously correct. The results show that the proposed mathematical model is capable of describing the motion characteristics of the mechanism. Besides, the similarity of the motion styles of expanding angles and angle velocities of both the front and after wings are revealed, and the important influences of structural parameter values on the mechanism motion cha- rac-teristics are identified.
关 键 词:串式联动弹翼 动力学模型 运动特性 制导弹药 结构设计
分 类 号:TJ414[兵器科学与技术—火炮、自动武器与弹药工程]
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