基于时标分离的高性能PID控制设计-一个实例研究

2018 6th International Conference on Control Engineering & Information Technology (CEIT) Pub Date : 2018-10-01 DOI:10.1109/CEIT.2018.8751865

M. Blachuta, R. Bieda, R. Grygiel

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引用次数: 1

摘要

提出了一种用于二阶对象调节控制的PID控制器整定方法。为此，对两个不相互作用的储罐系统进行了液位控制的案例研究。对扰动衰减进行了解析分析，并利用根位点进行了解释。推导了控制信号动态参数和控制误差的封闭表达式，并研究了测量噪声对控制信号的影响。对工作点变化的免疫被视为性能评估的主要因素之一。与其他当代设计方法相比，所提出的方法具有优越性。性能极限取决于测量噪声特性。

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High Performance PID Control Design Based on Time-Scale Separation - a Case Study

The paper presents a novel method of PID controller tuning dedicated to regulatory control of second order plants. To this end, a case study of level control is performed for a system of two non-interacting tanks. Disturbance attenuation is analyzed analytically and interpreted using root loci. Closed-form expressions to calculate dynamical parameters of control signal and control error are derived and the influence of measurement noise on control signal is studied. Immunity to the change of working point is treated as one of major factors for performance assessment. Superiority of the presented approach over other contemporary design methods is highlited. The performance limit is shown to depend on measurement noise characteristics.

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2018 6th International Conference on Control Engineering & Information Technology (CEIT)

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