The general inference and demonstration of the equilibrium problem of particle system are carried on, the full and necessary conditions are given while the constraint is ideal, linear and scleronomic.
本文就质点系平衡问题进行了一般性的推证，给出了当约束是理想、线性定常约束时的质点系平衡的充要条件。
Firstly, asymptotically stable value range of the switching law is obtained based on the constraint condition of matrix pencil for the linear impulsive switched system.
首先根据系统矩阵束的约束条件，得到线性脉冲切换系统渐近稳定时切换律的取值范围。
The treeshaped holonomic multi-rigid-body system, subjected to outside first order linear non-holonomic constraint, is regarded as treeshaped non-holonomic multi-rigid system.
应用第一类拉格朗日方法对系统进行力学分析，建立了以电机转矩为输入且轮在轴向无滑移的非完整约束下系统的数学模型。
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