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首页> 外文期刊>IEEE Transactions on Automatic Control >Tuning, multitone instabilities, and intrinsic differences in robustness of adaptive control systems
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Tuning, multitone instabilities, and intrinsic differences in robustness of adaptive control systems

机译：自适应控制系统的调整，多音不稳定性和鲁棒性的内在差异

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摘要

An example is presented of an adaptive system that becomes unstable when a multitone reference input is applied, although it is stable when the spectral components are applied separately. It is further shown that another scheme, based on an input error instead of an output error in the adaptation, does not exhibit the same instability mechanism. The technique of averaging is used to analyze this phenomenon. The equilibrium points of the averaged system, called the tuned values, are investigated. Results are given on the number of tuned values, their locations, and their stability. The analysis is not only valid for a specific plant, but for a large class of systems.
机译：给出了一个自适应系统的示例，该自适应系统在应用多音参考输入时会变得不稳定，尽管在单独应用频谱分量时会变得稳定。进一步示出，基于自适应中的输入误差而不是输出误差的另一种方案没有展现出相同的不稳定机制。平均技术用于分析此现象。研究了平均系统的平衡点，称为平衡值。给出了调整值的数量，其位置和稳定性的结果。该分析不仅对特定工厂有效，而且对一大类系统均有效。

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