Although a planar pair might theoretically be included, this would impose no constraint and thus be equivalent to an opening in the kinematic chain.
尽管理论上还可以包括平面，但平面却不能加以约束，因此只相当于开式运动链。
With the linear graph and adjacent matrix method of graph theory, the possible forms of this mechanism are discussed by analyzing that of kinematic chain with 4~8 links connected by planar low pair.
运用图论的线图和邻接矩阵方法从分析平面低副4～8杆运动链的可能形式出发，分析了以连杆为起始构件这类机构的可能有的形式。
Although a planar pair might theoretically be included, this would impose no constraint and thus be equivalent to an opening in the kinematic chain.
尽管理论上还可以包括平面副，但平面副却不能加以约束，因此只相当于开式运动链。
Further structural decomposition of the driving unit, several planar six linkage and three bar four kinematic pair branch chains were gotten.
通过进一步对驱动单元进行结构分解，得到平面六杆机构及三杆四副支链等基本运动链。
A robust design method of planar linkage mechanism is proposed when the length errors of links and the kinematic pair clearances are taken into account.
考虑杆长制造误差和运动副间隙的影响，提出一种平面连杆机构的稳健设计方法。
A robust design method of planar linkage mechanism is proposed when the length errors of links and the kinematic pair clearances are taken into account.
考虑杆长制造误差和运动副间隙的影响，提出一种平面连杆机构的稳健设计方法。
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