By some theories of set and permutation, with braiding process, firstly define the braiding process parameters, establish a mathematic model, gain some braiding laws in theory.

• 通过实例,应用置换理论分析了矩形三维预制件的编织过程,在将编织循环表达为不相交的轮换的乘积后,建立了各轮换与编织锭子移动规律之间的关系。