loop forming造句

The system selects switching surface according to the approach of variable structure control . based on the control rules to design the variable structure controllers , the inner loop and the outer loop form a complete vsc control loop . the control system has switching surface and the system brings sliding along fixed desired trajectories
根据滑模变结构控制方法选择切换面，根据控制律，设计变结构控制器，使内环和外环合成为一个vsc控制器，系统的控制有切换，而且在切换面上系统将会沿着固定的轨迹产生滑动运动。
It's difficult to find loop forming in a sentence. 用loop forming造句挺难的