结合聚丙烯工艺过程的特点，对装置中的复杂控制回路及顺序控制进行分析。
This paper is analysis of complex control loop and sequential control for equipment, combine characteristics of polypropylene process.
而间歇化学反应器是高度非线性对象，包括了所有批量过程控制的难点，涵盖了顺序控制、逻辑控制、回路控制的所有控制概念。
The batch reactor is high nonlinear process, includes all difficulties of batch process, involves the sequence control, logic control, loop control, etc.
本文给出了该机的原理和整体结构，介绍了钻孔模块部分。并以推力气缸为例，详细说明了整机气动回路的工作原理及其动作顺序。
The work principle and the motion order of the pneumatic loop of total drill was explained based on the example of thrust force air cylinder.
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