ベクトル制御系における時系列データに基づくカオス検出とニューロ制御(機械力学,計測,自動制御)

概要

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The induction motor is superior to dc motor in maintenance. Though the control of induction motor is much more difficult than that of dc motor, it is currently used for realization of so-called vector control method. Though precise parameters are necessary for the vector control method, but it is generally difficult to obtain the precise values. Therefore, there are often identified errors in parameters. Then, the effect of the nonlinear terms remains, and it is known that chaotic motions may occur in the system. As chaotic motion isn't necessarily desired for the system, it is necessary to remove the chaotic motion when this occurs. In this paper, the existence of chaotic motion in this system can be verified, and it is detected from time series data. Next, a control method of chaotic motion using neural networks is proposed in order to remove the chaotic behavior. This control method can control at a target value by on-line computing.
2002-06-25