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Model validation algorithms characterizing parameters and uncertainties in disk drives

机译:模型验证算法可表征磁盘驱动器中的参数和不确定性

摘要

A system and method validate a model used in implementing a model-based servo controller in a disc drive. A nominal model is first constructed. The nominal model is augmented with an uncertainty description to characterize variations in drives to be manufactured. The model is constrained by performance objectives. Weights corresponding to the uncertainty description and performance objectives are adjusted based on a comparison between a mu matrix function and a mu g matrix function until a desired performance level is achieved while maintaining stability in a desired frequency range.
机译:一种系统和方法验证用于在磁盘驱动器中实现基于模型的伺服控制器的模型。首先构建名义模型。标称模型增加了不确定性描述,以表征要制造的驱动器的变化。该模型受性能目标的约束。基于mu矩阵函数和mu g矩阵函数之间的比较,调整与不确定性描述和性能目标相对应的权重,直到达到所需的性能水平,同时在所需的频率范围内保持稳定性。

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