constraint equation

基本解释

The acceleration constraint equation is obtained based on the six DOF model of secondary joint.
基于次铰全自由度表达模型，推导闭链加速度约束等式；
A novel gradient constraint equation was obtained through analyzing the error of temporal gradient.
通过对时间梯度误差的分析，得到了新的梯度约束方程；
Based on singularity of constraint equation and complex division of structure-parameter-space, the dimension classification method of planar mechanism was researched.
以位置约束方程奇异性条件和结构参数空间复形剖分方法为基础，研究了平面机构尺度分类问题。