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Global predictive control: A unified control structure for decoupling setpoint tracking. feedforward compensation and disturbance rejection dynamics

机译:全局预测控制:用于解耦设定值跟踪的统一控制结构。前馈补偿和干扰抑制动力学

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Predictive control has now reached a mature level. However, a unification of long-range predictive controllers, such as unified predictive control (UPC), generalised predictive control (GPC) and partial state model reference control (PSMRC) is still lacking. The paper presents global predictive control (GlobPC), which unifies, for stable processes, these controllers. GlobPC is based on an internal model framework where three independent control criteria are minimised: one for tracking, one for regulation and one for feedforward. Using three criteria allows for the desired tracking to be obtained and for regulation and feedforward to behaviours in an optimal way while keeping them perfectly separated. The GlobPC structure also exhibits a clean separation of the stochastic and deterministic parts of the control algorithm. The state-space model representation is used for a more uniform and easy programming of GlobPC for both single-input single-output and multiple-input multiple-output processes. An application to a pilot plant illustrates the benefits of the method.
机译:预测控制现已达到成熟水平。但是,仍然缺乏统一的统一预测控制(UPC),广义预测控制(GPC)和部分状态模型参考控制(PSMRC)等远程预测控制器。本文介绍了全局预测控制(GlobPC),它为稳定过程统一了这些控制器。 GlobPC基于内部模型框架,其中将三个独立的控制标准减至最少:一个用于跟踪,一个用于调节,一个用于前馈。使用三个标准可以获取所需的跟踪,并以最佳方式对行为进行调节和前馈,同时将它们完全分开。 GlobPC结构还表现出控制算法的随机部分和确定性部分的清晰区分。状态空间模型表示可用于对GlobPC进行更统一,更轻松的编程,以用于单输入单输出和多输入多输出过程。在中试工厂的应用说明了该方法的优势。

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