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Performance Monitoring and Data Driven PID Parameter Tuning for Noisy Systems

机译:噪声系统的性能监控和数据驱动PID参数整定

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In industrial processes, it is necessary to maintain the user-specified control performance in order to achieve desired productivity. Many process control systems have the stochastic noise. For the noisy systems, the ordinary performance assessment method which based on the control error variance requires the long data windows, because the short data windows make the performance index oscillatory. The control performance deterioration can not be detected quickly by the long data windows. Moreover, the optimizations of FRIT for the steady state is difficult for the noisy systems, because of the high frequency component of the control error signal. In this paper, a performance monitoring method and a data driven PID parameter tuning method for the noisy systems are considered. Each approach effectively uses a low-pass filter. The effectiveness of the proposed schemes are verified by using a simulation example.
机译:在工业过程中,必须保持用户指定的控制性能,以实现所需的生产率。许多过程控制系统具有随机噪声。对于嘈杂的系统,基于控制误差方差的常规性能评估方法需要较长的数据窗口,因为较短的数据窗口会使性能指标产生振荡。长数据窗口无法快速检测到控制性能的下降。此外,由于控制误差信号的高频成分,对于嘈杂的系统,很难针对稳态进行FRIT优化。本文考虑了噪声系统的性能监测方法和数据驱动的PID参数整定方法。每种方法都有效地使用了低通滤波器。通过仿真实例验证了所提方案的有效性。

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