耦合油箱系统的高性能控制——以控制教学为例

2018 23rd International Conference on Methods & Models in Automation & Robotics (MMAR) Pub Date : 2018-08-01 DOI:10.1109/MMAR.2018.8486040

M. Blachuta, R. Bieda, R. Grygiel

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引用次数: 0

摘要

从负荷扰动衰减的角度对耦合储罐系统中的液位控制进行了详细的分析。构造了系统的非线性模型，该模型只基于一个参数，基于若干归一化变量。强调了系统属性对该参数的强烈依赖性。提出了一种基于时间尺度分离的控制器类型及其设置的简单方法。分析了第一罐的PI控制、第二罐的PI和/或PID控制以及串级P/PI控制系统。强调了设计良好的控制系统对工作点变化的不变性。

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High Performance Control of a Coupled Tanks System as an Example for Control Teaching

A detailed analysis of level control in a coupled tanks system is performed with respect to load disturbance attenuation. A nonlinear model of the system based on certain normalized variables that bases on only one parameter is constructed and linearized. A strong dependence of system properties on that parameter is highlighted. A simple method of choosing controller type and its settings is proposed that bases on time scale separation. PI control of the first tank, and PI and/or PID control of the second tank as well as cascade P/PI control system are analyzed. Invariance of the well designed control systems with respect to changes of the working point is highlighted.

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2018 23rd International Conference on Methods & Models in Automation & Robotics (MMAR)

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