Estimation of the Most Critical Parameter for the Two-Movement Method to Compensate for Oscillations Caused by Control Valve Stiction

Li Tang; Jiandong Wang

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Estimation of the Most Critical Parameter for the Two-Movement Method to Compensate for Oscillations Caused by Control Valve Stiction

机译：用于补偿控制阀静摩擦引起的摆动的两步法最关键参数的估计

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摘要

The two-movement method is one of the most effective compensation methods to remove oscillations caused by control valve stiction in feedback control loops. This method requires one critical parameter for implementation, namely, the value of controller output associated with the desired valve position. This brief proposes a novel approach to estimate this critical parameter solely based on the oscillatory data samples available in the control loop. This approach removes the requirement of extra experiments before the implementation of the two-movement method such as open-loop step responses in the existing studies and greatly reduces the time cost of two-movement method. Numerical and laboratory examples are provided to illustrate the effectiveness of the two-movement method incorporating the estimation of .

机译：双向运动是消除反馈控制回路中由于控制阀静摩擦而引起的振荡的最有效补偿方法之一。该方法需要一个关键参数来实施，即与所需阀位相关的控制器输出值。本简介提出了一种仅基于控制回路中可用的振荡数据样本来估算此关键参数的新颖方法。这种方法消除了在执行两项运动方法之前需要进行额外实验的要求，例如现有研究中的开环阶跃响应，从而大大降低了两项运动方法的时间成本。提供了数值和实验室算例，以说明结合的估计的两步法的有效性。

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来源
《IEEE Transactions on Control Systems Technology》 |2016年第5期|1869-1874|共6页
作者
Li Tang; Jiandong Wang;
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作者单位

College of Engineering, Peking University, Beijing, China;

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原文格式 PDF
正文语种 eng
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关键词
Control valve stiction; oscillation; stiction compensation; two-movement method;

机译：控制阀静摩擦;振动;静补偿;二次运动法;

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1. A new implementation of open-loop two-move compensation method for oscillations caused by control valve stiction [J] . Tingren Wang, Lei Xie, Feiqi Tan, IFAC PapersOnLine . 2015,第8期

机译：控制阀静摩擦引起的振荡的开环两步补偿方法的新实现
2. A new implementation of open-loop two-move compensation method for oscillations caused by control valve stiction [J] . Tingren Wang, Lei Xie, Feiqi Tan, IFAC PapersOnLine . 2015,第8期

机译：控制阀静摩擦引起的振荡的开环两步补偿方法的新实现
3. An augmented PID control structure to compensate for valve stiction [J] . Riccardo Bacci di Capaci, Claudio Scali IFAC PapersOnLine . 2018,第4期

机译：增强的PID控制结构以补偿气门静摩擦
4. A new implementation of open-loop two-move compensation method for oscillations caused by control valve stiction [C] . Tingren Wang, Lei Xie, Feiqi Tan, IFAC International Symposium on Advanced Control of Chemical Processes . 2016

机译：控制阀静态引起的振动振荡开环双移动补偿方法的新实现
5. Control loop performance monitoring: Modeling, diagnosing and compensating stiction phenomenon in process control valves. [D] . Srinivasan, Ranganathan. 2006

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Estimation of the Most Critical Parameter for the Two-Movement Method to Compensate for Oscillations Caused by Control Valve Stiction

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