In this paper, the inverse force analysis of planar three spring system is studied using numerical continuation. All static equilibrium positions of the system is obtained.

将连续法引入机构动力学，研究了平面一般三弹簧系统的静力逆分析，得到了该系统的全部平衡位置。

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The simple expressions of the end force of a cable are deduced according to the catenary equation, and applied to the nonlinear equilibrium equations of a cabin-cable system.

根据悬索悬链线方程推导出索端拉力解析表达式的简单形式，并将其应用到舱索系统的非线性静力学平衡方程中。

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With the help of 3D CAD, this paper presents an actual example of solving the problem of equilibrium of a spatial concurrent force system by the graphic solution.

借助于三维CAD工程绘图技术，本文介绍了采用图解法求解空间汇交力系平衡问题的应用实例。

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