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首页> 外文期刊>International Journal of Advanced Mechatronic Systems >Direct control parameter tuning method for stochastic disturbance attenuation based on variance evaluation
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Direct control parameter tuning method for stochastic disturbance attenuation based on variance evaluation

机译:基于方差评估的随机干扰衰减直接控制参数整定方法

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摘要

The paper proposes a direct control parameter tuning method which employs the variance evaluation for the performance criterion to solve the disturbance attenuation problem. The proposed method tunes the control parameters so that the variance of the plant output approaches the variance of the reference model output. The proposed method can avoid an additive experiment where test signals are fed to the closed-loop system for collecting the initial input and output data. The feature facilitates applying the proposed method to industrial applications. Furthermore, the paper shows that the problem can be formulated as a quadratic optimisation problem with equality constraints using a H_2 performance criterion representing the variance of disturbance response. Finally, the efficiency of the proposed method is demonstrated from numerical examples.
机译:提出了一种直接控制参数的整定方法,该方法采用方差评估作为性能指标,以解决干扰衰减问题。所提出的方法调整控制参数,以使工厂输出的方差接近参考模型输出的方差。所提出的方法可以避免将实验信号馈送到闭环系统以收集初始输入和输出数据的附加实验。该特征有助于将所提出的方法应用于工业应用。此外,本文表明,可以使用表示扰动响应方差的H_2性能准则,将该问题表述为具有相等约束的二次优化问题。最后,通过数值算例验证了该方法的有效性。

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