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Decoupling of MIMO Systems Using Cascaded Control Architectures with Application for HVAC Systems

机译:使用级联控制架构与HVAC系统应用的MIMO系统的解耦

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Coupling in control systems can create many difficulties for control engineers, especially when trying to use traditional control techniques. In this paper, the potential of cascaded control architectures utilizing standard PID control loops is explored as a means for decoupling highly coupled systems. A theoretical analysis of the decoupling effect is presented and is shown to completely separate input and output pairs under certain conditions. Criteria for selecting gains is determined and compared with previous work on linearization effects of the cascaded architecture. Finally a sample system based on multi-evaporator vapor compression system dynamics is presented to demonstrate key principles of the technique resulting in reduced coupling for specific ranges of inner loop gains.
机译:控制系统中的耦合可以为控制工程师创造许多困难,特别是在尝试使用传统的控制技术时。在本文中,利用标准PID控制环路的级联控制架构的电位被探索为用于解耦高耦合系统的手段。提出了对解耦效果的理论分析,并在某些条件下显示出完全分离的输入和输出对。确定提升的标准并与先前的级联架构的线性化效果进行比较。最后,提出了一种基于多蒸发器蒸汽压缩系统动态的示例系统,以演示该技术的密钥原理,导致用于内环的特定范围的耦合降低。

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