计算机控制系统的设计与智能仪表的研制开发必须要考虑抗干扰问题，信号隔离是抗干扰的重要措施。

The problem of antijamming must be considered in designing and developing computer control systems and intelligent devices. The signal isolation is an important meathod to reject interference.

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介绍了煤制氢装置中检测仪表的选型与控制系统的设计。

The paper introduces selecting and installing the measuring instrument and design of the control system on the coal to hydrogen plant.

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本文根据最优闭环传递函数，论述最优控制器的设计，对过程控制系统与仪表装置的校正设计有参考价值。

Based on the optimal closed-loop transfer function, a new design method of optimal controller is proposed; which can be widely used to a process control sys-tem and for instrumental calibration.

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