环路控制

The structure of its four major parts, which includes the control computer of the master station, the loop select circuit, the slave station and the power section of the system was introduced.

给出了适应远程多分站测控系统的拓扑结构，并对其四个主要部分：主站控制计算机、环路控制器、分站及系统电源的结构分别进行了介绍。

System identification method is used to find the transfer function of the loop.

并通过运用系统辨识方法，得到了幅度控制环路的传递函数。

To deal with RGVs systems with single rail and two di2 rections , forms of cycle2deadlock were also discussed....

在此基础上，针对单一轨道双向运行的轨道导引系统，探讨了其环路死锁的主要表现形式，给出了轨道导引小车无死锁运行的充要条件，并提出了包含临界状态在内的死锁避免控制策略。

So we can propose some principles of decreasing or preventing natural disasters as fol...

在此基础上，本文进一步提出了防灾或减灾的如下四条原则措施：在人—自然系统中，(1)减弱某些非线性机制；(2)隔离某些相互作用的要素及其子环路；(3)控制某些关键性参量的变化，(4)提高某些重要变量的临界值。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。