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首页> 外文期刊>Magnetics, IEEE Transactions on >Final-State Control Using Polynomial and Time-Series Data
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Final-State Control Using Polynomial and Time-Series Data

机译：使用多项式和时间序列数据的最终状态控制

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摘要

For information devices such as hard disk drives, actuators must be controlled quickly and precisely as much as possible. To satisfy these requirements, feedforward input design is very important. For this problem, we have proposed a frequency-shaped final-state control method. This method can obtain a feedforward input that has lower spectrum at desired frequency points so as to reduce residual vibration after positioning. Furthermore, the method has been extended to generate the feedforward input by a polynomial. By using the polynomial, the required memory size can be drastically reduced because it only requires to store the coefficients of polynomial. However, in the frequency-shaped final-state control method by polynomial input, it is not guaranteed that the solution always exist theoretically. In order to solve this problem, final-state control methods in which the feedforward input is generated by both of a polynomial and time-series data are proposed. The effectiveness of the proposed methods are verified by simulation using the plant model of the HDD benchmark problem. The simulation results show that the proposed method outperform the conventional methods.
机译：对于诸如硬盘驱动器之类的信息设备，必须尽可能快而精确地控制执行器。为了满足这些要求，前馈输入设计非常重要。针对这个问题，我们提出了一种频率形状的最终状态控制方法。此方法可以获得在所需频率点处具有较低频谱的前馈输入，从而减少定位后的残留振动。此外，该方法已扩展为通过多项式生成前馈输入。通过使用多项式，可以大大减少所需的存储器大小，因为它仅需要存储多项式的系数。然而，在通过多项式输入的频率形状的最终状态控制方法中，不能保证理论上总是存在该解。为了解决这个问题，提出了一种最终状态控制方法，其中前馈输入是由多项式和时间序列数据生成的。通过使用HDD基准问题的工厂模型进行仿真，验证了所提出方法的有效性。仿真结果表明，该方法优于传统方法。

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