超驰控制组态

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DCS/SIMATIC PCS7

自动化系统>过程控制系统>DCS/SIMATIC PCS7

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文档编号：44229396| 文档类型：应用实例与扩展工具| 发布时间：2023年12月15日

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内容预览：描述：在一个超驰控制方案中，两个或更多个控制器需要共享一个执行器。根据实际过程条件，切换逻辑决定哪一个控制器获取执行器，也就是说，不同控制器可以“超驰控制”或替换另外一个控制器。目前的项目实例给出了一个超驰控制应用，用于控制带有两个控制器的仿真过程。该应用的目的是演示具有各自优缺点的不同的切换策略。 ......

The present project example shows an application of an override control to a simulated process with two controllers. The aim of this application is to demonstrate different switchover strategies with their respective advantages and disadvantages.

Objective of the ApplicationIn an override control scheme, two or more controllers have to share one actuator. Depending on the actual process conditions a switchover logic decides which controller accesses the actuator i.e., the different controllers can "override" or replace each other.

Main contents

The following issues are discussed in this application note:

Interaction of the two controllers on only one actuator, considering two different alternatives for the switchover logic and two different types of PID controllers.
Simulation example