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선형 모터 스테이지의 주파수 영역 모델기반 모션 제어 설계

Model-based Motion Control Design of a Linear Motor Stage in Frequency Domain

Journal of the Korean Society for Precision Engineering 2024;41(1):55-60.
Published online: January 1, 2024

1 숭실대학교 대학원 기계공학과

2 숭실대학교 기계공학부

1 Department of Mechanical Engineering, Graduate School, Soongsil University

2 School of Mechanical Engineering, Soongsil University

#E-mail: ahj123@ssu.ac.kr
• Received: August 31, 2023   • Revised: November 16, 2023   • Accepted: November 21, 2023

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Disturbance Rejection and Robust Tracking Using a Compound Control Approach for RFC Linear Motor Motion Stage
    Kyung Ho Yang, Hyeong-Joon Ahn
    International Journal of Precision Engineering and Manufacturing.2026;[Epub]     CrossRef
  • Fuzzy Neural Network Control for a Reaction Force Compensation Linear Motor Motion Stage
    Kyung Ho Yang, Hyeong-Joon Ahn
    International Journal of Precision Engineering and Manufacturing-Smart Technology.2024; 2(2): 109.     CrossRef
  • Customized Current Control of a Linear Motor Motion Stage
    Kyung Ho Yang, Hyeong-Joon Ahn
    Journal of the Korean Society for Precision Engineering.2024; 41(11): 875.     CrossRef

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Model-based Motion Control Design of a Linear Motor Stage in Frequency Domain
J. Korean Soc. Precis. Eng.. 2024;41(1):55-60.   Published online January 1, 2024
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Model-based Motion Control Design of a Linear Motor Stage in Frequency Domain
J. Korean Soc. Precis. Eng.. 2024;41(1):55-60.   Published online January 1, 2024
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Model-based Motion Control Design of a Linear Motor Stage in Frequency Domain
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Control system of the linear motor motion stage
Fig. 2 Disturbance observer schematic
Fig. 3 Iterative learning control schematic
Fig. 4 Frequency response measurement
Fig. 5 Frequency response based tuning GUI
Fig. 6 FRF of PMAC servo algorithm with DOB
Fig. 7 FRF of the plant (P(jω))
Fig. 8 Open-Loop FRF of the tuned controller
Fig. 9 Bode diagram of the ILC filter
Fig. 10 Motion control schematic
Fig. 11 Motion profile
Fig. 12 Following error comparison
Fig. 13 RMS error comparison
Fig. 14 ILC effort
Fig. 15 RMS error by iterations
Fig. 16 Acceleration FFT of following error
Model-based Motion Control Design of a Linear Motor Stage in Frequency Domain
Variable Before After Variable Before After
Kp 15 27 Kvfb 300 500
Ki 0.006 0.006 gd 10 30
Kvifb 300 500 Kaff 0 25,000
Performance Prediction Real Accuracy
Bandwidth 52.8 Hz 53 Hz 99.62%
Phase margin 29.1o 29.3o 99.32%
Gain margin 9.54 dB 9.93 dB 96.07%
Linear motor plant (P)
Variable Value Transfer function
Mn [kg] 6 1 0.005 s 3 + 6.02 s 2 + 4.7 + 3000
Cd [Ns/m] 2
Ks [N/m] 3,000
td [s] 1.1
ILC filter design (Q*P-1)
Variable Value Transfer function
τ [s] 0.001 0.7 s 3 + 797.1 s 2 + 632.8 s + 8.2 × 10 8 s 3 + 1885 s 2 + 1.2 × 10 6 s + 2.4 × 10 8
N 2
Table 1 PMAC servo tuning
Table 2 Accuracy of the tuning GUI
Table 3 ILC design parameter