The experiment of PSA process was carried out on four columns. The system is designed and controlled by PLC on the pressure swing adsorption processes.
在四塔变压吸附装置上进行了变压吸附过程试验，在吸附试验过程中应用PLC对全过程进行设计和控制；
The model of a rotary crane was derived to know the reason of load swing, and as a result, the load swing could be well controlled.
针对桥式起重机运行过程中载荷摆动造成的运行精度差和工作效率低下问题，提出了一种神经网络直接逆模型控制方法，以降低载荷摆动。
This paper briefly introduces the structure and principle of a new system of self-excited oscillations, which is a magnetic pendulum with swing-controlled switch.
本文将对一种新的自激振动系统，即带有摆控开关的磁力摆的结构、原理及实验结果作一扼要的介绍和讨论。
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