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研究了弹性机械臂动力学中机械臂几何性质与弹性挠度的关系．数值仿真结果表明，弹性挠度与臂长平方成正比，与臂厚度成反比．根据仿真结果，臂长确定的情况下截面惯性矩对弹性挠度的影响是主要的．因此，为减小弹性挠度必须选择惯性矩大的截面形状．
The relationship between the mechanical properties and elastic deflection of a flexible manipulator is studied. The numerical simulation results show that the elastic deflection is proportional to the arm length squared and inversely proportional to the arm thickness. According to the simulation results, the influence of the moment of inertia of section on the elastic deflection is the main one when the arm length is determined. Therefore, to reduce the elastic deflection must choose a large cross-sectional shape of moment of inertia.