A combined repetitive control for precision rotation of magnetic bearing

被引：32

作者：

Zhang, XY ^{[1
]}

Shinshi, T ^{[1
]}

Li, LC ^{[1
]}

Shimokohbe, A ^{[1
]}

机构：

[1] Tokyo Inst Technol, Precis & Intelligence Lab, Shimokohbe & Shinshi Grp, Midori Ku, Yokohama, Kanagawa 2268503, Japan

来源：

PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY | 2003年 / 27卷 / 03期

关键词：

magnetic bearing; rotational accuracy; repetitive control; vibration suppression; unbalance; electromagnetic force;

D O I：

10.1016/S0141-6359(03)00003-5

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

In this paper, we focus on improving the rotational accuracy of the magnetic bearing under the consideration of the unbalance force of the spindle and the unbalanced magnetic pull of the motor. First, the vibrations of the spindle are analyzed. Next, in order to suppress the vibrations of the spindle, a combined repetitive control method is proposed, which includes a space domain repetitive compensator and a time domain repetitive compensator. Furthermore, the experimental results show that the proposed method is effective for suppressing the vibrations of the spindle and the rotational accuracy is improved from 301.2 to 21.9 nm at 2880 min(-1). (C) 2003 Elsevier Science Inc. All rights reserved.

引用

页码：273 / 282

页数：10

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